000153577812-312024Q2falseP3YP5YP3YP5Yxbrli:sharesiso4217:USDiso4217:USDxbrli:sharesxbrli:puremsif:companymsif:decimalmsif:entitymsif:extensionOptionmsif:investmentmsif:component00015357782024-01-012024-06-3000015357782024-08-120001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2024-06-300001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2023-12-310001535778us-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-06-300001535778us-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2023-12-310001535778us-gaap:InvestmentUnaffiliatedIssuerMember2024-06-300001535778us-gaap:InvestmentUnaffiliatedIssuerMember2023-12-3100015357782024-06-3000015357782023-12-310001535778us-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001535778us-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2023-12-310001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2024-06-300001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2024-04-012024-06-300001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2023-04-012023-06-300001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2024-01-012024-06-300001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2023-01-012023-06-300001535778us-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-04-012024-06-300001535778us-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2023-04-012023-06-300001535778us-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-01-012024-06-300001535778us-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2023-01-012023-06-300001535778us-gaap:InvestmentUnaffiliatedIssuerMember2024-04-012024-06-300001535778us-gaap:InvestmentUnaffiliatedIssuerMember2023-04-012023-06-300001535778us-gaap:InvestmentUnaffiliatedIssuerMember2024-01-012024-06-300001535778us-gaap:InvestmentUnaffiliatedIssuerMember2023-01-012023-06-3000015357782024-04-012024-06-3000015357782023-04-012023-06-3000015357782023-01-012023-06-300001535778us-gaap:CommonStockMember2022-12-310001535778us-gaap:AdditionalPaidInCapitalMember2022-12-310001535778us-gaap:RetainedEarningsMember2022-12-3100015357782022-12-310001535778us-gaap:CommonStockMember2023-01-012023-03-310001535778us-gaap:AdditionalPaidInCapitalMember2023-01-012023-03-3100015357782023-01-012023-03-310001535778us-gaap:RetainedEarningsMember2023-01-012023-03-310001535778us-gaap:CommonStockMember2023-03-310001535778us-gaap:AdditionalPaidInCapitalMember2023-03-310001535778us-gaap:RetainedEarningsMember2023-03-3100015357782023-03-310001535778us-gaap:CommonStockMember2023-04-012023-06-300001535778us-gaap:AdditionalPaidInCapitalMember2023-04-012023-06-300001535778us-gaap:RetainedEarningsMember2023-04-012023-06-300001535778us-gaap:CommonStockMember2023-06-300001535778us-gaap:AdditionalPaidInCapitalMember2023-06-300001535778us-gaap:RetainedEarningsMember2023-06-3000015357782023-06-300001535778us-gaap:CommonStockMember2023-12-310001535778us-gaap:AdditionalPaidInCapitalMember2023-12-310001535778us-gaap:RetainedEarningsMember2023-12-310001535778us-gaap:CommonStockMember2024-01-012024-03-310001535778us-gaap:AdditionalPaidInCapitalMember2024-01-012024-03-3100015357782024-01-012024-03-310001535778us-gaap:RetainedEarningsMember2024-01-012024-03-310001535778us-gaap:CommonStockMember2024-03-310001535778us-gaap:AdditionalPaidInCapitalMember2024-03-310001535778us-gaap:RetainedEarningsMember2024-03-3100015357782024-03-310001535778us-gaap:CommonStockMember2024-04-012024-06-300001535778us-gaap:AdditionalPaidInCapitalMember2024-04-012024-06-300001535778us-gaap:RetainedEarningsMember2024-04-012024-06-300001535778us-gaap:CommonStockMember2024-06-300001535778us-gaap:AdditionalPaidInCapitalMember2024-06-300001535778us-gaap:RetainedEarningsMember2024-06-300001535778Copper Trail Fund Investments, LP Interests (CTMH, LP)2024-06-300001535778GRT Rubber Technologies LLC, Secured Debt 12024-06-300001535778GRT Rubber Technologies LLC, Secured Debt 22024-06-300001535778GRT Rubber Technologies LLC, Member Units2024-06-300001535778msif:GRTRubberTechnologiesLLCMember2024-06-300001535778Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)2024-06-300001535778Volusion, LLC, Secured Debt2024-06-300001535778Volusion, LLC, Preferred Member Units 12024-06-300001535778Volusion, LLC, Preferred Member Units 22024-06-300001535778Volusion, LLC, Preferred Member Units 32024-06-300001535778Volusion, LLC, Common Stock2024-06-300001535778msif:VolusionLLCMember2024-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 12024-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 22024-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 12024-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 22024-06-300001535778Analytical Systems Keco Holdings, LLC, Warrants2024-06-300001535778msif:AnalyticalSystemsKecoHoldingsLLCMember2024-06-300001535778Barfly Ventures, LLC, Member Units2024-06-300001535778Batjer TopCo, LLC, Secured Debt 12024-06-300001535778Batjer TopCo, LLC, Secured Debt 22024-06-300001535778Batjer TopCo, LLC, Secured Debt 32024-06-300001535778Batjer TopCo, LLC, Preferred Stock2024-06-300001535778msif:BatjerTopCoLLCMember2024-06-300001535778Brewer Crane Holdings, LLC, Secured Debt2024-06-300001535778Brewer Crane Holdings, LLC, Preferred Member Units2024-06-300001535778msif:BrewerCraneHoldingsLLCMember2024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 12024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 22024-06-300001535778Centre Technologies Holdings, LLC, Preferred Member Units2024-06-300001535778msif:CentreTechnologiesHoldingsLLCMember2024-06-300001535778Chamberlin Holding LLC, Secured Debt 12024-06-300001535778Chamberlin Holding LLC, Secured Debt 22024-06-300001535778Chamberlin Holding LLC, Member Units 12024-06-300001535778Chamberlin Holding LLC, Member Units 22024-06-300001535778msif:ChamberlinHoldingLLCMember2024-06-300001535778Charps, LLC, Preferred Member Units2024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 12024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 22024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 32024-06-300001535778Clad-Rex Steel, LLC, Member Units 12024-06-300001535778Clad-Rex Steel, LLC, Member Units 22024-06-300001535778msif:CladRexSteelLLCMember2024-06-300001535778Cody Pools, Inc., Secured Debt 12024-06-300001535778Cody Pools, Inc., Secured Debt 22024-06-300001535778Cody Pools, Inc., Preferred Member Units2024-06-300001535778msif:CodyPoolsIncMember2024-06-300001535778Colonial Electric Company LLC, Secured Debt 12024-06-300001535778Colonial Electric Company LLC, Secured Debt 22024-06-300001535778Colonial Electric Company LLC, Preferred Member Units2024-06-300001535778msif:ColonialElectricCompanyLLCMember2024-06-300001535778Compass Systems & Sales, LLC, Secured Debt 12024-06-300001535778Compass Systems & Sales, LLC, Secured Debt 22024-06-300001535778Compass Systems & Sales, LLC, Preferred Equity2024-06-300001535778msif:CompassSystemsSalesLLCMember2024-06-300001535778Datacom, LLC, Secured Debt 12024-06-300001535778Datacom, LLC, Secured Debt 22024-06-300001535778Datacom, LLC, Preferred Member Units2024-06-300001535778msif:DatacomLLCMember2024-06-300001535778Digital Products Holdings LLC, Secured Debt2024-06-300001535778Digital Products Holdings LLC, Preferred Member Units2024-06-300001535778msif:DigitalProductsHoldingsLLCMember2024-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 12024-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 22024-06-300001535778Direct Marketing Solutions, Inc., Preferred Stock2024-06-300001535778msif:DirectMarketingSolutionsIncMember2024-06-300001535778Flame King Holdings, LLC, Preferred Equity2024-06-300001535778Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)2024-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 12024-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 22024-06-300001535778Gamber-Johnson Holdings, LLC, Member Units2024-06-300001535778msif:GamberJohnsonHoldingsLLCMember2024-06-300001535778GFG Group, LLC, Secured Debt2024-06-300001535778GFG Group, LLC, Preferred Member Units2024-06-300001535778msif:GFGGroupLLCMember2024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 22024-06-300001535778Gulf Publishing Holdings, LLC, Preferred Equity2024-06-300001535778Gulf Publishing Holdings, LLC, Member Units2024-06-300001535778msif:GulfPublishingHoldingsLLCMember2024-06-300001535778Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)2024-06-300001535778IG Investor, LLC, Secured Debt 12024-06-300001535778IG Investor, LLC, Secured Debt 22024-06-300001535778IG Investor, LLC, Common Equity2024-06-300001535778msif:IGInvestorLLCMember2024-06-300001535778Independent Pet Partners Intermediate Holdings, LLC, Common Equity2024-06-300001535778Integral Energy Services, Secured Debt2024-06-300001535778Integral Energy Services, Preferred Equity2024-06-300001535778Integral Energy Services, Common Stock2024-06-300001535778msif:IntegralEnergyServicesMember2024-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 12024-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 22024-06-300001535778Kickhaefer Manufacturing Company, LLC, Preferred Equity2024-06-300001535778Kickhaefer Manufacturing Company, LLC, Member Units2024-06-300001535778msif:KickhaeferManufacturingCompanyLLCMember2024-06-300001535778MH Corbin Holding LLC, Secured Debt2024-06-300001535778MH Corbin Holding LLC, Preferred Member Units 12024-06-300001535778MH Corbin Holding LLC, Preferred Member Units 22024-06-300001535778msif:MHCorbinHoldingLLCMember2024-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 12024-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 22024-06-300001535778Mystic Logistics Holdings, LLC, Common Stock2024-06-300001535778msif:MysticLogisticsHoldingsLLCMember2024-06-300001535778Nello Industries Investco, LLC, Secured Debt 12024-06-300001535778Nello Industries Investco, LLC, Secured Debt 22024-06-300001535778Nello Industries Investco, LLC, Common Equity2024-06-300001535778msif:NelloIndustriesInvestcoLLCMember2024-06-300001535778NexRev LLC, Secured Debt 12024-06-300001535778NexRev LLC, Secured Debt 22024-06-300001535778NexRev LLC, Preferred Member Units2024-06-300001535778msif:NexRevLLCMember2024-06-300001535778NuStep, LLC, Secured Debt 12024-06-300001535778NuStep, LLC, Secured Debt 22024-06-300001535778NuStep, LLC, Preferred Member Units 12024-06-300001535778NuStep, LLC, Preferred Member Units 22024-06-300001535778msif:NuStepLLCMember2024-06-300001535778Oneliance, LLC, Secured Debt2024-06-300001535778Oneliance, LLC, Preferred Stock2024-06-300001535778msif:OnelianceLLCMember2024-06-300001535778Orttech Holdings, LLC, Secured Debt 12024-06-300001535778Orttech Holdings, LLC, Secured Debt 22024-06-300001535778Orttech Holdings, LLC, Preferred Stock2024-06-300001535778msif:OrttechHoldingsLLCMember2024-06-300001535778Pinnacle TopCo, LLC, Secured Debt 12024-06-300001535778Pinnacle TopCo, LLC, Secured Debt 22024-06-300001535778Pinnacle TopCo, LLC, Preferred Equity2024-06-300001535778msif:PinnacleTopCoLLCMember2024-06-300001535778Robbins Bros. Jewelry, Inc., Secured Debt 12024-06-300001535778Robbins Bros. Jewelry, Inc., Secured Debt 22024-06-300001535778Robbins Bros. Jewelry, Inc., Preferred Equity2024-06-300001535778msif:RobbinsBrosJewelryIncMember2024-06-300001535778SI East, LLC, Secured Debt 12024-06-300001535778SI East, LLC, Secured Debt 22024-06-300001535778SI East, LLC, Preferred Member Units2024-06-300001535778msif:SIEastLLCMember2024-06-300001535778Student Resource Center, LLC, Secured Debt2024-06-300001535778Student Resource Center, LLC, Preferred Equity2024-06-300001535778msif:StudentResourceCenterLLCMember2024-06-300001535778Tedder Industries, LLC, Secured Debt 12024-06-300001535778Tedder Industries, LLC, Secured Debt 22024-06-300001535778Tedder Industries, LLC, Preferred Member Units 12024-06-300001535778Tedder Industries, LLC, Preferred Member Units 22024-06-300001535778Tedder Industries, LLC, Preferred Member Units 32024-06-300001535778msif:TedderIndustriesLLCMember2024-06-300001535778Trantech Radiator Topco, LLC, Secured Debt 12024-06-300001535778Trantech Radiator Topco, LLC, Secured Debt 22024-06-300001535778Trantech Radiator Topco, LLC, Common Stock2024-06-300001535778msif:TrantechRadiatorTopcoLLCMember2024-06-300001535778VVS Holdco LLC, Secured Debt 12024-06-300001535778VVS Holdco LLC, Secured Debt 22024-06-300001535778VVS Holdco LLC, Preferred Equity2024-06-300001535778msif:VVSHoldcoLLCMember2024-06-300001535778AAC Holdings, Inc., Secured Debt 12024-06-300001535778AAC Holdings, Inc., Secured Debt 22024-06-300001535778AAC Holdings, Inc., Common Stock2024-06-300001535778AAC Holdings, Inc., Warrants2024-06-300001535778msif:AACHoldingsIncMember2024-06-300001535778AB Centers Acquisition Corporation, Secured Debt 12024-06-300001535778AB Centers Acquisition Corporation, Secured Debt 22024-06-300001535778AB Centers Acquisition Corporation, Secured Debt 32024-06-300001535778AB Centers Acquisition Corporation, Secured Debt 42024-06-300001535778msif:ABCentersAcquisitionCorporationMember2024-06-300001535778Acumera, Inc., Secured Debt 12024-06-300001535778Acumera, Inc., Secured Debt 22024-06-300001535778Acumera, Inc., Warrants2024-06-300001535778msif:AcumeraIncMember2024-06-300001535778Adams Publishing Group, LLC, Secured Debt 12024-06-300001535778Adams Publishing Group, LLC, Secured Debt 22024-06-300001535778msif:AdamsPublishingGroupLLCMember2024-06-300001535778ADS Tactical, Inc., Secured Debt2024-06-300001535778AMEREQUIP LLC, Common Stock2024-06-300001535778American Health Staffing Group, Inc., Secured Debt 12024-06-300001535778American Health Staffing Group, Inc., Secured Debt 22024-06-300001535778msif:AmericanHealthStaffingGroupIncMember2024-06-300001535778American Nuts, LLC, Secured Debt 12024-06-300001535778American Nuts, LLC, Secured Debt 22024-06-300001535778msif:AmericanNutsLLCMember2024-06-300001535778American Teleconferencing Services, Ltd., Secured Debt 12024-06-300001535778American Teleconferencing Services, Ltd., Secured Debt 22024-06-300001535778msif:AmericanTeleconferencingServicesLtdMember2024-06-300001535778ArborWorks, LLC, Secured Debt 12024-06-300001535778ArborWorks, LLC, Secured Debt 22024-06-300001535778ArborWorks, LLC, Preferred Equity 12024-06-300001535778ArborWorks, LLC, Preferred Equity 22024-06-300001535778ArborWorks, LLC, Common Equity2024-06-300001535778msif:ArborWorksLLCMember2024-06-300001535778Archer Systems, LLC, Common Stock2024-06-300001535778ATS Operating, LLC, Secured Debt 12024-06-300001535778ATS Operating, LLC, Secured Debt 22024-06-300001535778ATS Operating, LLC, Secured Debt 32024-06-300001535778ATS Operating, LLC, Common Stock2024-06-300001535778msif:ATSOperatingLLCMember2024-06-300001535778AVEX Aviation Holdings, LLC, Secured Debt 12024-06-300001535778AVEX Aviation Holdings, LLC, Secured Debt 22024-06-300001535778AVEX Aviation Holdings, LLC, Common Equity2024-06-300001535778msif:AVEXAviationHoldingsLLCMember2024-06-300001535778Berry Aviation, Inc., Preferred Member Units 12024-06-300001535778Berry Aviation, Inc., Preferred Member Units 22024-06-300001535778Berry Aviation, Inc., Preferred Member Units 32024-06-300001535778msif:BerryAviationIncMember2024-06-300001535778Bettercloud, Inc., Secured Debt 12024-06-300001535778Bettercloud, Inc., Secured Debt 22024-06-300001535778msif:BettercloudIncMember2024-06-300001535778Binswanger Enterprises, LLC, Member Units2024-06-300001535778Bluestem Brands, Inc., Secured Debt 12024-06-300001535778Bluestem Brands, Inc., Secured Debt 22024-06-300001535778Bluestem Brands, Inc., Secured Debt 32024-06-300001535778Bluestem Brands, Inc., Common Stock2024-06-300001535778Bluestem Brands, Inc., Warrants2024-06-300001535778msif:BluestemBrandsIncMember2024-06-300001535778Boccella Precast Products LLC, Secured Debt2024-06-300001535778Boccella Precast Products LLC, Member Units2024-06-300001535778msif:BoccellaPrecastProductsLLCMember2024-06-300001535778Bond Brand Loyalty ULC, Secured Debt 12024-06-300001535778Bond Brand Loyalty ULC, Secured Debt 22024-06-300001535778Bond Brand Loyalty ULC, Secured Debt 32024-06-300001535778Bond Brand Loyalty ULC, Preferred Equity2024-06-300001535778Bond Brand Loyalty ULC, Common Equity2024-06-300001535778msif:BondBrandLoyaltyULCMember2024-06-300001535778BP Loenbro Holdings Inc., Secured Debt 12024-06-300001535778BP Loenbro Holdings Inc., Secured Debt 22024-06-300001535778BP Loenbro Holdings Inc., Secured Debt 32024-06-300001535778BP Loenbro Holdings Inc., Common Equity2024-06-300001535778msif:BPLoenbroHoldingsInc.Member2024-06-300001535778Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)2024-06-300001535778Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)2024-06-300001535778msif:BrightwoodCapitalFundInvestmentsMember2024-06-300001535778Buca C, LLC, Secured Debt 12024-06-300001535778Buca C, LLC, Secured Debt 22024-06-300001535778Buca C, LLC, Preferred Member Units2024-06-300001535778msif:BucaCLLCMember2024-06-300001535778Burning Glass Intermediate Holding Company, Inc., Secured Debt 12024-06-300001535778Burning Glass Intermediate Holding Company, Inc., Secured Debt 22024-06-300001535778msif:BurningGlassIntermediateHoldingCompanyIncMember2024-06-300001535778CAI Software LLC, Preferred Equity 12024-06-300001535778CAI Software LLC, Preferred Equity 22024-06-300001535778msif:CAISoftwareLLCMember2024-06-300001535778Career Team Holdings, LLC, Secured Debt 12024-06-300001535778Career Team Holdings, LLC, Secured Debt 22024-06-300001535778Career Team Holdings, LLC, Common Stock2024-06-300001535778msif:CareerTeamHoldingsLLCMember2024-06-300001535778CaseWorthy, Inc., Common Equity2024-06-300001535778Central Moloney, LLC., Secured Debt2024-06-300001535778Channel Partners Intermediateco, LLC, Secured Debt 12024-06-300001535778Channel Partners Intermediateco, LLC, Secured Debt 22024-06-300001535778Channel Partners Intermediateco, LLC, Secured Debt 32024-06-300001535778Channel Partners Intermediateco, LLC, Secured Debt 42024-06-300001535778msif:ChannelPartnersIntermediatecoLLCMember2024-06-300001535778Clarius BIGS, LLC, Secured Debt2024-06-300001535778Classic H&G Holdings, LLC, Preferred Member Units2024-06-300001535778Computer Data Source, LLC, Secured Debt 12024-06-300001535778Computer Data Source, LLC, Secured Debt 22024-06-300001535778Computer Data Source, LLC, Secured Debt 32024-06-300001535778msif:ComputerDataSourceLLCMember2024-06-300001535778Construction Supply Investments, LLC, Member Units2024-06-300001535778Coregistics Buyer LLC, Secured Debt 1 2024-06-300001535778Coregistics Buyer LLC, Secured Debt 2 2024-06-300001535778Coregistics Buyer LLC, Secured Debt 3 2024-06-300001535778msif:CoregisticsBuyerLLCMember2024-06-300001535778CQ Fluency, LLC, LLC, Secured Debt 12024-06-300001535778CQ Fluency, LLC, LLC, Secured Debt 22024-06-300001535778CQ Fluency, LLC, LLC, Secured Debt 32024-06-300001535778msif:CQFluencyLLCMember2024-06-300001535778Creative Foam Corporation, Secured Debt 12024-06-300001535778Creative Foam Corporation, Secured Debt 22024-06-300001535778msif:CreativeFoamCorporationMember2024-06-300001535778Dalton US Inc., Common Stock2024-06-300001535778DMA Industries, LLC, Secured Debt 12024-06-300001535778DMA Industries, LLC, Secured Debt 22024-06-300001535778DMA Industries, LLC, Preferred Equity2024-06-300001535778msif:DMAIndustriesLLCMember2024-06-300001535778DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)2024-06-300001535778DTE Enterprises, LLC, Class A Preferred Member Units2024-06-300001535778msif:DTEEnterprisesLLCMember2024-06-300001535778Dynamic Communities, LLC, Secured Debt 12024-06-300001535778Dynamic Communities, LLC, Secured Debt 22024-06-300001535778Dynamic Communities, LLC, Preferred Equity 12024-06-300001535778Dynamic Communities, LLC, Preferred Equity 22024-06-300001535778Dynamic Communities, LLC, Common Equity2024-06-300001535778msif:DynamicCommunitiesLLCMember2024-06-300001535778Dynata, LLC, Secured Debt 2024-06-300001535778Elgin AcquireCo, LLC, Secured Debt 12024-06-300001535778Elgin AcquireCo, LLC, Secured Debt 22024-06-300001535778Elgin AcquireCo, LLC, Secured Debt 32024-06-300001535778Elgin AcquireCo, LLC, Common Stock 12024-06-300001535778Elgin AcquireCo, LLC, Common Stock 22024-06-300001535778msif:ElginAcquireCoLLCMember2024-06-300001535778Emerald Technologies Acquisition Co, Inc., Secured Debt2024-06-300001535778Engineering Research & Consulting, LLC, Secured Debt 12024-06-300001535778Engineering Research & Consulting, LLC, Secured Debt 22024-06-300001535778msif:EngineeringResearchConsultingLLCMember2024-06-300001535778Escalent, Inc., Secured Debt 12024-06-300001535778Escalent, Inc., Secured Debt 22024-06-300001535778Escalent, Inc., Common Equity2024-06-300001535778msif:EscalentIncMember2024-06-300001535778Event Holdco, LLC, Secured Debt 12024-06-300001535778Event Holdco, LLC, Secured Debt 22024-06-300001535778msif:EventHoldcoLLCMember2024-06-300001535778FCC Intermediate Holdco, LLC (SupplyCore), Secured Debt 2024-06-300001535778FCC Intermediate Holdco, LLC (SupplyCore), Warrants2024-06-300001535778msif:FCCIntermediateHoldcoLLCSupplyCoreMember2024-06-300001535778Garyline, LLC, Secured Debt 12024-06-300001535778Garyline, LLC, Secured Debt 22024-06-300001535778Garyline, LLC, Common Equity2024-06-300001535778msif:GarylineLLCMember2024-06-300001535778Hawk Ridge Systems, LLC, Secured Debt 12024-06-300001535778Hawk Ridge Systems, LLC, Secured Debt 22024-06-300001535778Hawk Ridge Systems, LLC, Preferred Member Units 12024-06-300001535778Hawk Ridge Systems, LLC, Preferred Member Units 22024-06-300001535778msif:HawkRidgeSystemsLLCMember2024-06-300001535778HDC/HW Intermediate Holdings, Secured Debt 12024-06-300001535778HDC/HW Intermediate Holdings, Secured Debt 22024-06-300001535778HDC/HW Intermediate Holdings, Common Equity2024-06-300001535778msif:HDCHWIntermediateHoldingsMember2024-06-300001535778HEADLANDS OP-CO LLC, Secured Debt 12024-06-300001535778HEADLANDS OP-CO LLC, Secured Debt 22024-06-300001535778HEADLANDS OP-CO LLC, Secured Debt 32024-06-300001535778HEADLANDS OP-CO LLC, Secured Debt 42024-06-300001535778HEADLANDS OP-CO LLC, Secured Debt 52024-06-300001535778msif:HEADLANDSOPCOLLCMember2024-06-300001535778Hybrid Promotions, LLC, Secured Debt2024-06-300001535778IG Parent Corporation, Secured Debt 12024-06-300001535778IG Parent Corporation, Secured Debt 22024-06-300001535778IG Parent Corporation, Secured Debt 32024-06-300001535778msif:IGParentCorporationMember2024-06-300001535778Imaging Business Machines, L.L.C., Secured Debt 12024-06-300001535778Imaging Business Machines, L.L.C., Secured Debt 22024-06-300001535778Imaging Business Machines, L.L.C., Common Equity2024-06-300001535778msif:ImagingBusinessMachinesLLCMember2024-06-300001535778Implus Footcare, LLC, Secured Debt2024-06-300001535778Infinity X1 Holdings, LLC, Secured Debt2024-06-300001535778Infinity X1 Holdings, LLC, Preferred Equity2024-06-300001535778msif:InfinityX1HoldingsLLCMember2024-06-300001535778Insight Borrower Corporation, Secured Debt 12024-06-300001535778Insight Borrower Corporation, Secured Debt 22024-06-300001535778Insight Borrower Corporation, Secured Debt 32024-06-300001535778Insight Borrower Corporation, Common Equity2024-06-300001535778msif:InsightBorrowerCorporationMember2024-06-300001535778Inspire Aesthetics Management, LLC, Secured Debt 12024-06-300001535778Inspire Aesthetics Management, LLC, Secured Debt 22024-06-300001535778Inspire Aesthetics Management, LLC, Secured Debt 32024-06-300001535778Inspire Aesthetics Management, LLC, Common Equity2024-06-300001535778msif:InspireAestheticsManagementLLCMember2024-06-300001535778Interface Security Systems, L.L.C, Secured Debt 12024-06-300001535778Interface Security Systems, L.L.C, Secured Debt 22024-06-300001535778Interface Security Systems, L.L.C, Common Stock2024-06-300001535778msif:InterfaceSecuritySystemsLLCMember2024-06-300001535778Invincible Boat Company, LLC., Secured Debt 12024-06-300001535778Invincible Boat Company, LLC., Secured Debt 22024-06-300001535778msif:InvincibleBoatCompanyLLCMember2024-06-300001535778INW Manufacturing, LLC, Secured Debt2024-06-300001535778Iron-Main Investments, LLC, Secured Debt 12024-06-300001535778Iron-Main Investments, LLC, Secured Debt 22024-06-300001535778Iron-Main Investments, LLC, Secured Debt 32024-06-300001535778Iron-Main Investments, LLC, Secured Debt 42024-06-300001535778Iron-Main Investments, LLC, Secured Debt 52024-06-300001535778Iron-Main Investments, LLC, Preferred Equity2024-06-300001535778Iron-Main Investments, LLC, Common Stock2024-06-300001535778msif:IronMainInvestmentsLLCMember2024-06-300001535778Isagenix International, LLC, Secured Debt2024-06-300001535778Isagenix International, LLC, Common Equity2024-06-300001535778msif:IsagenixInternationalLLCMember2024-06-300001535778Island Pump and Tank, LLC, Secured Debt 12024-06-300001535778Island Pump and Tank, LLC, Secured Debt 22024-06-300001535778Island Pump and Tank, LLC, Secured Debt 32024-06-300001535778Island Pump and Tank, LLC, Secured Debt 42024-06-300001535778msif:IslandPumpAndTankLLCMember2024-06-300001535778ITA Holdings Group, LLC, Secured Debt 12024-06-300001535778ITA Holdings Group, LLC, Secured Debt 22024-06-300001535778ITA Holdings Group, LLC, Secured Debt 32024-06-300001535778ITA Holdings Group, LLC, Secured Debt 42024-06-300001535778ITA Holdings Group, LLC, Warrants2024-06-300001535778msif:ITAHoldingsGroupLLCMember2024-06-300001535778Jackmont Hospitality, Inc., Secured Debt 12024-06-300001535778Jackmont Hospitality, Inc., Secured Debt 22024-06-300001535778Jackmont Hospitality, Inc., Secured Debt 32024-06-300001535778Jackmont Hospitality, Inc., Preferred Equity2024-06-300001535778msif:JackmontHospitalityIncMember2024-06-300001535778JDC Power Services, LLC, Secured Debt 12024-06-300001535778JDC Power Services, LLC, Secured Debt 22024-06-300001535778msif:JDCPowerServicesLLCMember2024-06-300001535778Joerns Healthcare, LLC, Secured Debt 12024-06-300001535778Joerns Healthcare, LLC, Secured Debt 22024-06-300001535778Joerns Healthcare, LLC, Secured Debt 32024-06-300001535778Joerns Healthcare, LLC, Secured Debt 42024-06-300001535778Joerns Healthcare, LLC, Common Stock 12024-06-300001535778Joerns Healthcare, LLC, Common Stock 22024-06-300001535778msif:JoernsHealthcareLLCMember2024-06-300001535778Johnson Downie Opco, LLC, Secured Debt 12024-06-300001535778Johnson Downie Opco, LLC, Secured Debt 22024-06-300001535778Johnson Downie Opco, LLC, Preferred Equity2024-06-300001535778msif:JohnsonDownieOpcoLLCMember2024-06-300001535778JorVet Holdings, LLC, Secured Debt2024-06-300001535778JorVet Holdings, LLC, Preferred Equity2024-06-300001535778msif:JorVetHoldingsLLCMember2024-06-300001535778JTI Electrical & Mechanical, LLC, Secured Debt 12024-06-300001535778JTI Electrical & Mechanical, LLC, Secured Debt 22024-06-300001535778JTI Electrical & Mechanical, LLC, Secured Debt 32024-06-300001535778JTI Electrical & Mechanical, LLC, Common Equity2024-06-300001535778msif:JTIElectricalMechanicalLLCMember2024-06-300001535778KMS, LLC, Secured Debt 12024-06-300001535778KMS, LLC, Secured Debt 22024-06-300001535778msif:KMSLLCMember2024-06-300001535778Lightbox Holdings, L.P., Secured Debt2024-06-300001535778LL Management, Inc., Secured Debt 12024-06-300001535778LL Management, Inc., Secured Debt 22024-06-300001535778LL Management, Inc., Secured Debt 32024-06-300001535778LL Management, Inc., Secured Debt 42024-06-300001535778msif:LLManagementIncMember2024-06-300001535778LLFlex, LLC, Secured Debt2024-06-300001535778Logix Acquisition Company, LLC, Secured Debt2024-06-300001535778Mako Steel, LP, Secured Debt 12024-06-300001535778Mako Steel, LP, Secured Debt 22024-06-300001535778Mako Steel, LP, Secured Debt 32024-06-300001535778msif:MakoSteelLPMember2024-06-300001535778Metalforming Holdings, LLC, Secured Debt 12024-06-300001535778Metalforming Holdings, LLC, Secured Debt 22024-06-300001535778Metalforming Holdings, LLC, Preferred Equity2024-06-300001535778Metalforming Holdings, LLC, Common Stock2024-06-300001535778msif:MetalformingHoldingsLLCMember2024-06-300001535778Microbe Formulas, LLC, Secured Debt 12024-06-300001535778Microbe Formulas, LLC, Secured Debt 22024-06-300001535778msif:MicrobeFormulasLLCMember2024-06-300001535778Mills Fleet Farm Group, LLC, Secured Debt2024-06-300001535778Mini Melts of America, LLC, Secured Debt 12024-06-300001535778Mini Melts of America, LLC, Secured Debt 22024-06-300001535778Mini Melts of America, LLC, Secured Debt 32024-06-300001535778Mini Melts of America, LLC, Secured Debt 42024-06-300001535778Mini Melts of America, LLC, Common Equity2024-06-300001535778msif:MiniMeltsOfAmericaLLCMember2024-06-300001535778MonitorUS Holding, LLC, Secured Debt 12024-06-300001535778MonitorUS Holding, LLC, Secured Debt 22024-06-300001535778MonitorUS Holding, LLC, Secured Debt 32024-06-300001535778MonitorUS Holding, LLC, Unsecured Debt 2024-06-300001535778MonitorUS Holding, LLC, Common Stock2024-06-300001535778msif:MonitorUSHoldingLLCMember2024-06-300001535778NinjaTrader, LLC, Secured Debt 12024-06-300001535778NinjaTrader, LLC, Secured Debt 22024-06-300001535778msif:NinjaTraderLLCMember2024-06-300001535778Obra Capital, Inc., Secured Debt 12024-06-300001535778Obra Capital, Inc., Secured Debt 22024-06-300001535778msif:ObraCapitalInc.Member2024-06-300001535778OnPoint, Secured Debt 2024-06-300001535778Peaches Holding Corporation, Common Equity2024-06-300001535778Power System Solutions, Secured Debt 12024-06-300001535778Power System Solutions, Secured Debt 22024-06-300001535778Power System Solutions, Secured Debt 32024-06-300001535778Power System Solutions, Common Equity2024-06-300001535778msif:PowerSystemSolutionsMember2024-06-300001535778PrimeFlight Aviation Services, Secured Debt 12024-06-300001535778PrimeFlight Aviation Services, Secured Debt 22024-06-300001535778PrimeFlight Aviation Services, Secured Debt 32024-06-300001535778PrimeFlight Aviation Services, Secured Debt 42024-06-300001535778msif:PrimeFlightAviationServicesMember2024-06-300001535778PTL US Bidco, Inc, Secured Debt 12024-06-300001535778PTL US Bidco, Inc, Secured Debt 22024-06-300001535778msif:PTLUSBidcoIncMember2024-06-300001535778Purge Rite, LLC, Secured Debt 12024-06-300001535778Purge Rite, LLC, Secured Debt 22024-06-300001535778Purge Rite, LLC, Preferred Equity2024-06-300001535778Purge Rite, LLC, Common Equity2024-06-300001535778msif:PurgeRiteLLCMember2024-06-300001535778RA Outdoors LLC, Secured Debt 12024-06-300001535778RA Outdoors LLC, Secured Debt 22024-06-300001535778msif:RAOutdoorsLLCMember2024-06-300001535778Richardson Sales Solutions, Secured Debt 12024-06-300001535778Richardson Sales Solutions, Secured Debt 22024-06-300001535778msif:RichardsonSalesSolutionsMember2024-06-300001535778Roof Opco, LLC, Secured Debt 12024-06-300001535778Roof Opco, LLC, Secured Debt 22024-06-300001535778Roof Opco, LLC, Secured Debt 32024-06-300001535778msif:RoofOpcoLLCMember2024-06-300001535778Rug Doctor, LLC., Secured Debt 12024-06-300001535778Rug Doctor, LLC., Secured Debt 22024-06-300001535778msif:RugDoctorLLCMember2024-06-300001535778Slick Innovations, LLC, Secured Debt2024-06-300001535778Slick Innovations, LLC, Common Stock2024-06-300001535778msif:SlickInnovationsLLCMember2024-06-300001535778South Coast Terminals Holdings, LLC, Secured Debt 12024-06-300001535778South Coast Terminals Holdings, LLC, Secured Debt 22024-06-300001535778South Coast Terminals Holdings, LLC, Common Equity2024-06-300001535778msif:SouthCoastTerminalsHoldingsLLCMember2024-06-300001535778SPAU Holdings, LLC, Secured Debt 12024-06-300001535778SPAU Holdings, LLC, Secured Debt 22024-06-300001535778SPAU Holdings, LLC, Common Stock2024-06-300001535778msif:SPAUHoldingsLLCMember2024-06-300001535778Tex Tech Tennis, LLC, Preferred Equity2024-06-300001535778The Affiliati Network, LLC, Secured Debt 12024-06-300001535778The Affiliati Network, LLC, Secured Debt 22024-06-300001535778The Affiliati Network, LLC, Preferred Stock 12024-06-300001535778The Affiliati Network, LLC, Preferred Stock 22024-06-300001535778msif:TheAffiliatiNetworkLLCMember2024-06-300001535778Titan Meter Midco Corp., Secured Debt 12024-06-300001535778Titan Meter Midco Corp., Secured Debt 22024-06-300001535778Titan Meter Midco Corp., Preferred Equity2024-06-300001535778msif:TitanMeterMidcoCorp.Member2024-06-300001535778U.S. TelePacific Corp., Secured Debt 12024-06-300001535778U.S. TelePacific Corp., Secured Debt 22024-06-300001535778msif:USTelePacificCorpMember2024-06-300001535778Urgent DSO LLC, Secured Debt2024-06-300001535778Urgent DSO LLC, Preferred Equity2024-06-300001535778msif:UrgentDSOLLCMember2024-06-300001535778UserZoom Technologies, Inc., Secured Debt2024-06-300001535778Vistar Media, Inc., Preferred Stock2024-06-300001535778Vitesse Systems, Secured Debt 12024-06-300001535778Vitesse Systems, Secured Debt 22024-06-300001535778msif:VitesseSystemsMember2024-06-300001535778VORTEQ Coil Finishers, LLC, Common Equity2024-06-300001535778Wall Street Prep, Inc., Secured Debt 12024-06-300001535778Wall Street Prep, Inc., Secured Debt 22024-06-300001535778Wall Street Prep, Inc., Common Stock2024-06-300001535778msif:WallStreetPrepIncMember2024-06-300001535778Watterson Brands, LLC, Secured Debt 12024-06-300001535778Watterson Brands, LLC, Secured Debt 22024-06-300001535778Watterson Brands, LLC, Secured Debt 32024-06-300001535778Watterson Brands, LLC, Secured Debt 42024-06-300001535778msif:WattersonBrandsLLCMember2024-06-300001535778West Star Aviation Acquisition, LLC, Secured Debt 12024-06-300001535778West Star Aviation Acquisition, LLC, Secured Debt 22024-06-300001535778West Star Aviation Acquisition, LLC, Secured Debt 32024-06-300001535778West Star Aviation Acquisition, LLC, Common Stock2024-06-300001535778msif:WestStarAviationAcquisitionLLCMember2024-06-300001535778Winter Services LLC, Secured Debt 12024-06-300001535778Winter Services LLC, Secured Debt 22024-06-300001535778Winter Services LLC, Secured Debt 32024-06-300001535778Winter Services LLC, Secured Debt 42024-06-300001535778msif:WinterServicesLLCMember2024-06-300001535778World Micro Holdings, LLC, Secured Debt2024-06-300001535778World Micro Holdings, LLC, Preferred Equity2024-06-300001535778msif:WorldMicroHoldingsLLCMember2024-06-300001535778Xenon Arc, Inc., Secured Debt 12024-06-300001535778Xenon Arc, Inc., Secured Debt 22024-06-300001535778msif:XenonArcIncMember2024-06-300001535778YS Garments, LLC, Secured Debt2024-06-300001535778Zips Car Wash, LLC, Secured Debt 12024-06-300001535778Zips Car Wash, LLC, Secured Debt 22024-06-300001535778msif:ZipsCarWashLLCMember2024-06-300001535778ZRG Partners, LLC, Secured Debt 12024-06-300001535778ZRG Partners, LLC, Secured Debt 22024-06-300001535778ZRG Partners, LLC, Secured Debt 32024-06-300001535778ZRG Partners, LLC, Secured Debt 42024-06-300001535778msif:ZRGPartnersLLCMember2024-06-300001535778First American Treasury Obligations Fund Class Z2024-06-300001535778us-gaap:MoneyMarketFundsMember2024-06-300001535778srt:MinimumMemberus-gaap:SecuredOvernightFinancingRateSofrMember2024-06-300001535778srt:MaximumMemberus-gaap:SecuredOvernightFinancingRateSofrMember2024-06-300001535778srt:WeightedAverageMemberus-gaap:SecuredOvernightFinancingRateSofrMember2024-06-300001535778srt:MinimumMember2024-06-300001535778srt:MaximumMember2024-06-300001535778AAC Holdings, Inc., Warrants2024-01-012024-06-300001535778ITA Holdings Group, LLC, Warrants2024-01-012024-06-300001535778FCC Intermediate Holdco, LLC , Warrants2024-01-012024-06-300001535778Bluestem Brands, Inc., Warrants2024-01-012024-06-300001535778Analytical Systems Keco Holdings, LLC, Warrants2024-01-012024-06-300001535778Acumera, Inc., Warrants2024-01-012024-06-300001535778msif:VitesseSystemsMemberus-gaap:SecuredOvernightFinancingRateSofrMember2024-06-300001535778msif:VitesseSystemsMemberus-gaap:PrimeRateMember2024-06-300001535778Copper Trail Fund Investments, LP Interests (CTMH, LP)2023-12-310001535778GRT Rubber Technologies LLC, Secured Debt 12023-12-310001535778GRT Rubber Technologies LLC, Secured Debt 22023-12-310001535778GRT Rubber Technologies LLC, Member Units2023-12-310001535778msif:GRTRubberTechnologiesLLCMember2023-12-310001535778Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)2023-12-310001535778Volusion, LLC, Secured Debt2023-12-310001535778Volusion, LLC, Preferred Member Units 12023-12-310001535778Volusion, LLC, Preferred Member Units 22023-12-310001535778Volusion, LLC, Preferred Member Units 32023-12-310001535778Volusion, LLC, Common Stock2023-12-310001535778msif:VolusionLLCMember2023-12-310001535778Analytical Systems Keco Holdings, LLC, Secured Debt 12023-12-310001535778Analytical Systems Keco Holdings, LLC, Secured Debt 22023-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 12023-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 22023-12-310001535778Analytical Systems Keco Holdings, LLC, Warrants2023-12-310001535778msif:AnalyticalSystemsKecoHoldingsLLCMember2023-12-310001535778Barfly Ventures, LLC, Member Units2023-12-310001535778Batjer TopCo, LLC, Secured Debt 12023-12-310001535778Batjer TopCo, LLC, Secured Debt 22023-12-310001535778Batjer TopCo, LLC, Secured Debt 32023-12-310001535778Batjer TopCo, LLC, Preferred Stock2023-12-310001535778msif:BatjerTopCoLLCMember2023-12-310001535778Brewer Crane Holdings, LLC, Secured Debt2023-12-310001535778Brewer Crane Holdings, LLC, Preferred Member Units2023-12-310001535778msif:BrewerCraneHoldingsLLCMember2023-12-310001535778Centre Technologies Holdings, LLC, Secured Debt 12023-12-310001535778Centre Technologies Holdings, LLC, Secured Debt 22023-12-310001535778Centre Technologies Holdings, LLC, Preferred Member Units2023-12-310001535778msif:CentreTechnologiesHoldingsLLCMember2023-12-310001535778Chamberlin Holding LLC, Secured Debt 12023-12-310001535778Chamberlin Holding LLC, Secured Debt 22023-12-310001535778Chamberlin Holding LLC, Member Units 12023-12-310001535778Chamberlin Holding LLC, Member Units 22023-12-310001535778msif:ChamberlinHoldingLLCMember2023-12-310001535778Charps, LLC, Preferred Member Units2023-12-310001535778Clad-Rex Steel, LLC, Secured Debt 12023-12-310001535778Clad-Rex Steel, LLC, Secured Debt 22023-12-310001535778Clad-Rex Steel, LLC, Member Units 12023-12-310001535778Clad-Rex Steel, LLC, Member Units 22023-12-310001535778msif:CladRexSteelLLCMember2023-12-310001535778Cody Pools, Inc., Secured Debt 12023-12-310001535778Cody Pools, Inc., Secured Debt 22023-12-310001535778Cody Pools, Inc., Preferred Member Units2023-12-310001535778msif:CodyPoolsIncMember2023-12-310001535778Colonial Electric Company LLC, Secured Debt 12023-12-310001535778Colonial Electric Company LLC, Secured Debt 22023-12-310001535778Colonial Electric Company LLC, Preferred Member Units 12023-12-310001535778Colonial Electric Company LLC, Preferred Member Units 22023-12-310001535778msif:ColonialElectricCompanyLLCMember2023-12-310001535778Compass Systems & Sales, LLC, Secured Debt 12023-12-310001535778Compass Systems & Sales, LLC, Secured Debt 22023-12-310001535778Compass Systems & Sales, LLC, Preferred Equity2023-12-310001535778msif:CompassSystemsSalesLLCMember2023-12-310001535778Datacom, LLC, Secured Debt 12023-12-310001535778Datacom, LLC, Secured Debt 22023-12-310001535778Datacom, LLC, Preferred Member Units2023-12-310001535778msif:DatacomLLCMember2023-12-310001535778Digital Products Holdings LLC, Secured Debt2023-12-310001535778Digital Products Holdings LLC, Preferred Member Units2023-12-310001535778msif:DigitalProductsHoldingsLLCMember2023-12-310001535778Direct Marketing Solutions, Inc., Secured Debt 12023-12-310001535778Direct Marketing Solutions, Inc., Secured Debt 22023-12-310001535778Direct Marketing Solutions, Inc., Preferred Stock2023-12-310001535778msif:DirectMarketingSolutionsIncMember2023-12-310001535778Flame King Holdings, LLC, Preferred Equity2023-12-310001535778Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)2023-12-310001535778Gamber-Johnson Holdings, LLC, Secured Debt 12023-12-310001535778Gamber-Johnson Holdings, LLC, Secured Debt 22023-12-310001535778Gamber-Johnson Holdings, LLC, Member Units2023-12-310001535778msif:GamberJohnsonHoldingsLLCMember2023-12-310001535778GFG Group, LLC, Secured Debt2023-12-310001535778GFG Group, LLC, Preferred Member Units2023-12-310001535778msif:GFGGroupLLCMember2023-12-310001535778Gulf Publishing Holdings, LLC, Secured Debt 12023-12-310001535778Gulf Publishing Holdings, LLC, Secured Debt 22023-12-310001535778Gulf Publishing Holdings, LLC, Preferred Equity2023-12-310001535778Gulf Publishing Holdings, LLC, Member Units2023-12-310001535778msif:GulfPublishingHoldingsLLCMember2023-12-310001535778Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)2023-12-310001535778IG Investor, LLC, Secured Debt 12023-12-310001535778IG Investor, LLC, Secured Debt 22023-12-310001535778IG Investor, LLC, Common Equity2023-12-310001535778msif:IGInvestorLLCMember2023-12-310001535778Independent Pet Partners Intermediate Holdings, LLC, Common Equity2023-12-310001535778Integral Energy Services, Secured Debt2023-12-310001535778Integral Energy Services, Preferred Equity2023-12-310001535778Integral Energy Services, Common Stock2023-12-310001535778msif:IntegralEnergyServicesMember2023-12-310001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 12023-12-310001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 22023-12-310001535778Kickhaefer Manufacturing Company, LLC, Preferred Equity2023-12-310001535778Kickhaefer Manufacturing Company, LLC, Member Units2023-12-310001535778msif:KickhaeferManufacturingCompanyLLCMember2023-12-310001535778MH Corbin Holding LLC, Secured Debt2023-12-310001535778MH Corbin Holding LLC, Preferred Member Units 12023-12-310001535778MH Corbin Holding LLC, Preferred Member Units 22023-12-310001535778msif:MHCorbinHoldingLLCMember2023-12-310001535778Mystic Logistics Holdings, LLC, Secured Debt 12023-12-310001535778Mystic Logistics Holdings, LLC, Secured Debt 22023-12-310001535778Mystic Logistics Holdings, LLC, Common Stock2023-12-310001535778msif:MysticLogisticsHoldingsLLCMember2023-12-310001535778NexRev LLC, Secured Debt 12023-12-310001535778NexRev LLC, Secured Debt 22023-12-310001535778NexRev LLC, Preferred Member Units2023-12-310001535778msif:NexRevLLCMember2023-12-310001535778NuStep, LLC, Secured Debt 12023-12-310001535778NuStep, LLC, Secured Debt 22023-12-310001535778NuStep, LLC, Preferred Member Units 12023-12-310001535778NuStep, LLC, Preferred Member Units 22023-12-310001535778msif:NuStepLLCMember2023-12-310001535778Oneliance, LLC, Secured Debt2023-12-310001535778Oneliance, LLC, Preferred Stock2023-12-310001535778msif:OnelianceLLCMember2023-12-310001535778Orttech Holdings, LLC, Secured Debt 12023-12-310001535778Orttech Holdings, LLC, Secured Debt 22023-12-310001535778Orttech Holdings, LLC, Preferred Stock2023-12-310001535778msif:OrttechHoldingsLLCMember2023-12-310001535778Pinnacle TopCo, LLC, Secured Debt 12023-12-310001535778Pinnacle TopCo, LLC, Secured Debt 22023-12-310001535778Pinnacle TopCo, LLC, Preferred Equity2023-12-310001535778msif:PinnacleTopCoLLCMember2023-12-310001535778Robbins Bros. Jewelry, Inc., Secured Debt 12023-12-310001535778Robbins Bros. Jewelry, Inc., Secured Debt 22023-12-310001535778Robbins Bros. Jewelry, Inc., Preferred Equity2023-12-310001535778msif:RobbinsBrosJewelryIncMember2023-12-310001535778SI East, LLC, Secured Debt 12023-12-310001535778SI East, LLC, Secured Debt 22023-12-310001535778SI East, LLC, Preferred Member Units2023-12-310001535778msif:SIEastLLCMember2023-12-310001535778Student Resource Center, LLC, Secured Debt2023-12-310001535778Student Resource Center, LLC, Preferred Equity2023-12-310001535778msif:StudentResourceCenterLLCMember2023-12-310001535778Tedder Industries, LLC, Secured Debt 12023-12-310001535778Tedder Industries, LLC, Secured Debt 22023-12-310001535778Tedder Industries, LLC, Preferred Member Units 12023-12-310001535778Tedder Industries, LLC, Preferred Member Units 22023-12-310001535778Tedder Industries, LLC, Preferred Member Units 32023-12-310001535778msif:TedderIndustriesLLCMember2023-12-310001535778Trantech Radiator Topco, LLC, Secured Debt 12023-12-310001535778Trantech Radiator Topco, LLC, Secured Debt 22023-12-310001535778Trantech Radiator Topco, LLC, Common Stock2023-12-310001535778msif:TrantechRadiatorTopcoLLCMember2023-12-310001535778VVS Holdco LLC, Secured Debt 12023-12-310001535778VVS Holdco LLC, Secured Debt 22023-12-310001535778VVS Holdco LLC, Preferred Equity2023-12-310001535778msif:VVSHoldcoLLCMember2023-12-310001535778AAC Holdings, Inc., Secured Debt 12023-12-310001535778AAC Holdings, Inc., Secured Debt 22023-12-310001535778AAC Holdings, Inc., Common Stock2023-12-310001535778AAC Holdings, Inc., Warrants2023-12-310001535778msif:AACHoldingsIncMember2023-12-310001535778AB Centers Acquisition Corporation, Secured Debt 12023-12-310001535778AB Centers Acquisition Corporation, Secured Debt 22023-12-310001535778AB Centers Acquisition Corporation, Secured Debt 32023-12-310001535778AB Centers Acquisition Corporation, Secured Debt 42023-12-310001535778msif:ABCentersAcquisitionCorporationMember2023-12-310001535778Acumera, Inc., Secured Debt 12023-12-310001535778Acumera, Inc., Secured Debt 22023-12-310001535778Acumera, Inc., Warrants2023-12-310001535778msif:AcumeraIncMember2023-12-310001535778Adams Publishing Group, LLC, Secured Debt 12023-12-310001535778Adams Publishing Group, LLC, Secured Debt 22023-12-310001535778msif:AdamsPublishingGroupLLCMember2023-12-310001535778ADS Tactical, Inc., Secured Debt2023-12-310001535778AMEREQUIP LLC, Secured Debt 12023-12-310001535778AMEREQUIP LLC, Secured Debt 22023-12-310001535778AMEREQUIP LLC, Common Stock2023-12-310001535778msif:AMEREQUIPLLCMember2023-12-310001535778American Health Staffing Group, Inc., Secured Debt 12023-12-310001535778American Health Staffing Group, Inc., Secured Debt 22023-12-310001535778msif:AmericanHealthStaffingGroupIncMember2023-12-310001535778American Nuts, LLC, Secured Debt 12023-12-310001535778American Nuts, LLC, Secured Debt 22023-12-310001535778American Nuts, LLC, Secured Debt 32023-12-310001535778American Nuts, LLC, Secured Debt 42023-12-310001535778msif:AmericanNutsLLCMember2023-12-310001535778American Teleconferencing Services, Ltd., Secured Debt 12023-12-310001535778American Teleconferencing Services, Ltd., Secured Debt 22023-12-310001535778msif:AmericanTeleconferencingServicesLtdMember2023-12-310001535778ArborWorks, LLC, Secured Debt 12023-12-310001535778ArborWorks, LLC, Secured Debt 22023-12-310001535778ArborWorks, LLC, Preferred Equity 12023-12-310001535778ArborWorks, LLC, Preferred Equity 22023-12-310001535778ArborWorks, LLC, Common Equity2023-12-310001535778msif:ArborWorksLLCMember2023-12-310001535778Archer Systems, LLC, Common Stock2023-12-310001535778ATS Operating, LLC, Secured Debt 12023-12-310001535778ATS Operating, LLC, Secured Debt 22023-12-310001535778ATS Operating, LLC, Secured Debt 32023-12-310001535778ATS Operating, LLC, Common Stock2023-12-310001535778msif:ATSOperatingLLCMember2023-12-310001535778AVEX Aviation Holdings, LLC, Secured Debt 12023-12-310001535778AVEX Aviation Holdings, LLC, Secured Debt 22023-12-310001535778AVEX Aviation Holdings, LLC, Common Equity2023-12-310001535778msif:AVEXAviationHoldingsLLCMember2023-12-310001535778Berry Aviation, Inc., Preferred Member Units 12023-12-310001535778Berry Aviation, Inc., Preferred Member Units 22023-12-310001535778msif:BerryAviationIncMember2023-12-310001535778Bettercloud, Inc., Secured Debt 12023-12-310001535778Bettercloud, Inc., Secured Debt 22023-12-310001535778msif:BettercloudIncMember2023-12-310001535778Binswanger Enterprises, LLC, Member Units2023-12-310001535778Bluestem Brands, Inc., Secured Debt 12023-12-310001535778Bluestem Brands, Inc., Secured Debt 22023-12-310001535778Bluestem Brands, Inc., Common Stock2023-12-310001535778Bluestem Brands, Inc., Warrants2023-12-310001535778msif:BluestemBrandsIncMember2023-12-310001535778Boccella Precast Products LLC, Secured Debt2023-12-310001535778Boccella Precast Products LLC, Member Units2023-12-310001535778msif:BoccellaPrecastProductsLLCMember2023-12-310001535778Bond Brand Loyalty ULC, Secured Debt 12023-12-310001535778Bond Brand Loyalty ULC, Secured Debt 22023-12-310001535778Bond Brand Loyalty ULC, Secured Debt 32023-12-310001535778Bond Brand Loyalty ULC, Preferred Equity2023-12-310001535778Bond Brand Loyalty ULC, Common Equity2023-12-310001535778msif:BondBrandLoyaltyULCMember2023-12-310001535778Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)2023-12-310001535778Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)2023-12-310001535778msif:BrightwoodCapitalFundInvestmentsMember2023-12-310001535778Buca C, LLC, Secured Debt2023-12-310001535778Buca C, LLC, Preferred Member Units2023-12-310001535778msif:BucaCLLCMember2023-12-310001535778Burning Glass Intermediate Holding Company, Inc., Secured Debt 12023-12-310001535778Burning Glass Intermediate Holding Company, Inc., Secured Debt 22023-12-310001535778msif:BurningGlassIntermediateHoldingCompanyIncMember2023-12-310001535778CAI Software LLC, Preferred Equity 12023-12-310001535778CAI Software LLC, Preferred Equity 22023-12-310001535778msif:CAISoftwareLLCMember2023-12-310001535778Career Team Holdings, LLC, Secured Debt 12023-12-310001535778Career Team Holdings, LLC, Secured Debt 22023-12-310001535778Career Team Holdings, LLC, Common Stock2023-12-310001535778msif:CareerTeamHoldingsLLCMember2023-12-310001535778CaseWorthy, Inc., Secured Debt 12023-12-310001535778CaseWorthy, Inc., Secured Debt 22023-12-310001535778CaseWorthy, Inc., Secured Debt 32023-12-310001535778CaseWorthy, Inc., Common Equity2023-12-310001535778msif:CaseWorthyIncMember2023-12-310001535778Channel Partners Intermediateco, LLC, Secured Debt 12023-12-310001535778Channel Partners Intermediateco, LLC, Secured Debt 22023-12-310001535778Channel Partners Intermediateco, LLC, Secured Debt 32023-12-310001535778Channel Partners Intermediateco, LLC, Secured Debt 42023-12-310001535778msif:ChannelPartnersIntermediatecoLLCMember2023-12-310001535778Clarius BIGS, LLC, Secured Debt2023-12-310001535778Classic H&G Holdings, LLC, Secured Debt 12023-12-310001535778Classic H&G Holdings, LLC, Secured Debt 22023-12-310001535778Classic H&G Holdings, LLC, Preferred Member Units2023-12-310001535778msif:ClassicHGHoldingsLLCMember2023-12-310001535778Computer Data Source, LLC, Secured Debt 12023-12-310001535778Computer Data Source, LLC, Secured Debt 22023-12-310001535778msif:ComputerDataSourceLLCMember2023-12-310001535778Construction Supply Investments, LLC, Member Units2023-12-310001535778CQ Fluency, LLC, Secured Debt 12023-12-310001535778CQ Fluency, LLC, Secured Debt 22023-12-310001535778CQ Fluency, LLC, Secured Debt 32023-12-310001535778msif:CQFluencyLLCMember2023-12-310001535778Dalton US Inc., Common Stock2023-12-310001535778DMA Industries, LLC, Secured Debt2023-12-310001535778DMA Industries, LLC, Preferred Equity2023-12-310001535778msif:DMAIndustriesLLCMember2023-12-310001535778DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)2023-12-310001535778DTE Enterprises, LLC, Class A Preferred Member Units2023-12-310001535778msif:DTEEnterprisesLLCMember2023-12-310001535778Dynamic Communities, LLC, Secured Debt 12023-12-310001535778Dynamic Communities, LLC, Secured Debt 22023-12-310001535778Dynamic Communities, LLC, Preferred Equity 12023-12-310001535778Dynamic Communities, LLC, Preferred Equity 22023-12-310001535778Dynamic Communities, LLC, Common Equity2023-12-310001535778msif:DynamicCommunitiesLLCMember2023-12-310001535778Elgin AcquireCo, LLC, Secured Debt 12023-12-310001535778Elgin AcquireCo, LLC, Secured Debt 22023-12-310001535778Elgin AcquireCo, LLC, Secured Debt 32023-12-310001535778Elgin AcquireCo, LLC, Common Stock 12023-12-310001535778Elgin AcquireCo, LLC, Common Stock 22023-12-310001535778msif:ElginAcquireCoLLCMember2023-12-310001535778Emerald Technologies Acquisition Co, Inc., Secured Debt2023-12-310001535778Engineering Research & Consulting, LLC, Secured Debt 12023-12-310001535778Engineering Research & Consulting, LLC, Secured Debt 22023-12-310001535778msif:EngineeringResearchConsultingLLCMember2023-12-310001535778Escalent, Inc., Secured Debt 12023-12-310001535778Escalent, Inc., Secured Debt 22023-12-310001535778Escalent, Inc., Common Equity2023-12-310001535778msif:EscalentIncMember2023-12-310001535778Event Holdco, LLC, Secured Debt 12023-12-310001535778Event Holdco, LLC, Secured Debt 22023-12-310001535778msif:EventHoldcoLLCMember2023-12-310001535778Garyline, LLC, Secured Debt 12023-12-310001535778Garyline, LLC, Secured Debt 22023-12-310001535778Garyline, LLC, Common Equity2023-12-310001535778msif:GarylineLLCMember2023-12-310001535778Hawk Ridge Systems, LLC, Secured Debt 12023-12-310001535778Hawk Ridge Systems, LLC, Secured Debt 22023-12-310001535778Hawk Ridge Systems, LLC, Preferred Member Units 12023-12-310001535778Hawk Ridge Systems, LLC, Preferred Member Units 22023-12-310001535778msif:HawkRidgeSystemsLLCMember2023-12-310001535778HDC/HW Intermediate Holdings, Secured Debt 12023-12-310001535778HDC/HW Intermediate Holdings, Secured Debt 22023-12-310001535778msif:HDCHWIntermediateHoldingsMember2023-12-310001535778HEADLANDS OP-CO LLC, Secured Debt 12023-12-310001535778HEADLANDS OP-CO LLC, Secured Debt 22023-12-310001535778HEADLANDS OP-CO LLC, Secured Debt 32023-12-310001535778msif:HEADLANDSOPCOLLCMember2023-12-310001535778Hybrid Promotions, LLC, Secured Debt2023-12-310001535778IG Parent Corporation, Secured Debt 12023-12-310001535778IG Parent Corporation, Secured Debt 22023-12-310001535778IG Parent Corporation, Secured Debt 32023-12-310001535778msif:IGParentCorporationMember2023-12-310001535778Imaging Business Machines, L.L.C., Secured Debt 12023-12-310001535778Imaging Business Machines, L.L.C., Secured Debt 22023-12-310001535778Imaging Business Machines, L.L.C., Common Equity2023-12-310001535778msif:ImagingBusinessMachinesLLCMember2023-12-310001535778Implus Footcare, LLC, Secured Debt2023-12-310001535778Industrial Services Acquisition, LLC, Secured Debt 12023-12-310001535778Industrial Services Acquisition, LLC, Secured Debt 22023-12-310001535778Industrial Services Acquisition, LLC, Preferred Member Units 12023-12-310001535778Industrial Services Acquisition, LLC, Preferred Member Units 22023-12-310001535778Industrial Services Acquisition, LLC, Member Units2023-12-310001535778msif:IndustrialServicesAcquisitionLLCMember2023-12-310001535778Infinity X1 Holdings, LLC, Secured Debt2023-12-310001535778Infinity X1 Holdings, LLC, Preferred Equity2023-12-310001535778msif:InfinityX1HoldingsLLCMember2023-12-310001535778Infolinks Media Buyco, LLC, Secured Debt 12023-12-310001535778Infolinks Media Buyco, LLC, Secured Debt 22023-12-310001535778msif:InfolinksMediaBuycoLLCMember2023-12-310001535778Insight Borrower Corporation, Secured Debt 12023-12-310001535778Insight Borrower Corporation, Secured Debt 22023-12-310001535778Insight Borrower Corporation, Secured Debt 32023-12-310001535778Insight Borrower Corporation, Common Equity2023-12-310001535778msif:InsightBorrowerCorporationMember2023-12-310001535778Inspire Aesthetics Management, LLC, Secured Debt 12023-12-310001535778Inspire Aesthetics Management, LLC, Secured Debt 22023-12-310001535778Inspire Aesthetics Management, LLC, Secured Debt 32023-12-310001535778Inspire Aesthetics Management, LLC, Common Equity2023-12-310001535778msif:InspireAestheticsManagementLLCMember2023-12-310001535778Interface Security Systems, L.L.C, Secured Debt 12023-12-310001535778Interface Security Systems, L.L.C, Secured Debt 22023-12-310001535778Interface Security Systems, L.L.C, Common Stock2023-12-310001535778msif:InterfaceSecuritySystemsLLCMember2023-12-310001535778Intermedia Holdings, Inc., Secured Debt2023-12-310001535778Invincible Boat Company, LLC., Secured Debt 12023-12-310001535778Invincible Boat Company, LLC., Secured Debt 22023-12-310001535778msif:InvincibleBoatCompanyLLCMember2023-12-310001535778INW Manufacturing, LLC, Secured Debt2023-12-310001535778Iron-Main Investments, LLC, Secured Debt 12023-12-310001535778Iron-Main Investments, LLC, Secured Debt 22023-12-310001535778Iron-Main Investments, LLC, Secured Debt 32023-12-310001535778Iron-Main Investments, LLC, Secured Debt 42023-12-310001535778Iron-Main Investments, LLC, Secured Debt 52023-12-310001535778Iron-Main Investments, LLC, Common Stock2023-12-310001535778msif:IronMainInvestmentsLLCMember2023-12-310001535778Isagenix International, LLC, Secured Debt2023-12-310001535778Isagenix International, LLC, Common Equity2023-12-310001535778msif:IsagenixInternationalLLCMember2023-12-310001535778ITA Holdings Group, LLC, Secured Debt 12023-12-310001535778ITA Holdings Group, LLC, Secured Debt 22023-12-310001535778ITA Holdings Group, LLC, Secured Debt 32023-12-310001535778ITA Holdings Group, LLC, Secured Debt 42023-12-310001535778ITA Holdings Group, LLC, Warrants2023-12-310001535778msif:ITAHoldingsGroupLLCMember2023-12-310001535778Jackmont Hospitality, Inc., Secured Debt 12023-12-310001535778Jackmont Hospitality, Inc., Secured Debt 22023-12-310001535778Jackmont Hospitality, Inc., Preferred Equity2023-12-310001535778msif:JackmontHospitalityIncMember2023-12-310001535778Joerns Healthcare, LLC, Secured Debt 12023-12-310001535778Joerns Healthcare, LLC, Secured Debt 22023-12-310001535778Joerns Healthcare, LLC, Secured Debt 32023-12-310001535778Joerns Healthcare, LLC, Common Stock2023-12-310001535778msif:JoernsHealthcareLLCMember2023-12-310001535778Johnson Downie Opco, LLC, Secured Debt 12023-12-310001535778Johnson Downie Opco, LLC, Secured Debt 22023-12-310001535778Johnson Downie Opco, LLC, Preferred Equity2023-12-310001535778msif:JohnsonDownieOpcoLLCMember2023-12-310001535778JorVet Holdings, LLC, Secured Debt2023-12-310001535778JorVet Holdings, LLC, Preferred Equity2023-12-310001535778msif:JorVetHoldingsLLCMember2023-12-310001535778JTI Electrical & Mechanical, LLC, Secured Debt 12023-12-310001535778JTI Electrical & Mechanical, LLC, Secured Debt 22023-12-310001535778JTI Electrical & Mechanical, LLC, Common Equity2023-12-310001535778msif:JTIElectricalMechanicalLLCMember2023-12-310001535778KMS, LLC, Secured Debt 12023-12-310001535778KMS, LLC, Secured Debt 22023-12-310001535778msif:KMSLLCMember2023-12-310001535778Lightbox Holdings, L.P., Secured Debt2023-12-310001535778LL Management, Inc., Secured Debt 12023-12-310001535778LL Management, Inc., Secured Debt 22023-12-310001535778LL Management, Inc., Secured Debt 32023-12-310001535778LL Management, Inc., Secured Debt 42023-12-310001535778LL Management, Inc., Secured Debt 52023-12-310001535778msif:LLManagementIncMember2023-12-310001535778LLFlex, LLC, Secured Debt2023-12-310001535778Logix Acquisition Company, LLC, Secured Debt2023-12-310001535778Mako Steel, LP, Secured Debt 12023-12-310001535778Mako Steel, LP, Secured Debt 22023-12-310001535778msif:MakoSteelLPMember2023-12-310001535778MB2 Dental Solutions, LLC, Secured Debt 12023-12-310001535778MB2 Dental Solutions, LLC, Secured Debt 22023-12-310001535778MB2 Dental Solutions, LLC, Secured Debt 32023-12-310001535778MB2 Dental Solutions, LLC, Secured Debt 42023-12-310001535778msif:MB2DentalSolutionsLLCMember2023-12-310001535778Metalforming Holdings, LLC, Secured Debt 12023-12-310001535778Metalforming Holdings, LLC, Secured Debt 22023-12-310001535778Metalforming Holdings, LLC, Preferred Equity2023-12-310001535778Metalforming Holdings, LLC, Common Stock2023-12-310001535778msif:MetalformingHoldingsLLCMember2023-12-310001535778Microbe Formulas, LLC, Secured Debt 12023-12-310001535778Microbe Formulas, LLC, Secured Debt 22023-12-310001535778msif:MicrobeFormulasLLCMember2023-12-310001535778Mills Fleet Farm Group, LLC, Secured Debt2023-12-310001535778Mini Melts of America, LLC, Secured Debt 12023-12-310001535778Mini Melts of America, LLC, Secured Debt 22023-12-310001535778Mini Melts of America, LLC, Secured Debt 32023-12-310001535778Mini Melts of America, LLC, Secured Debt 42023-12-310001535778Mini Melts of America, LLC, Common Equity2023-12-310001535778msif:MiniMeltsOfAmericaLLCMember2023-12-310001535778MonitorUS Holding, LLC, Secured Debt 12023-12-310001535778MonitorUS Holding, LLC, Secured Debt 22023-12-310001535778MonitorUS Holding, LLC, Secured Debt 32023-12-310001535778MonitorUS Holding, LLC, Common Stock2023-12-310001535778msif:MonitorUSHoldingLLCMember2023-12-310001535778NinjaTrader, LLC, Secured Debt 12023-12-310001535778NinjaTrader, LLC, Secured Debt 22023-12-310001535778NinjaTrader, LLC, Secured Debt 32023-12-310001535778NinjaTrader, LLC, Secured Debt 42023-12-310001535778msif:NinjaTraderLLCMember2023-12-310001535778Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Secured Debt2023-12-310001535778Paragon Healthcare, Inc., Secured Debt 12023-12-310001535778Paragon Healthcare, Inc., Secured Debt 22023-12-310001535778Paragon Healthcare, Inc., Secured Debt 32023-12-310001535778msif:ParagonHealthcareIncMember2023-12-310001535778Power System Solutions, Secured Debt 12023-12-310001535778Power System Solutions, Secured Debt 22023-12-310001535778Power System Solutions, Secured Debt 32023-12-310001535778Power System Solutions, Common Equity2023-12-310001535778msif:PowerSystemSolutionsMember2023-12-310001535778PrimeFlight Aviation Services, Secured Debt 12023-12-310001535778PrimeFlight Aviation Services, Secured Debt 22023-12-310001535778msif:PrimeFlightAviationServicesMember2023-12-310001535778PTL US Bidco, Inc, Secured Debt 12023-12-310001535778PTL US Bidco, Inc, Secured Debt 22023-12-310001535778msif:PTLUSBidcoIncMember2023-12-310001535778Purge Rite, LLC, Secured Debt 12023-12-310001535778Purge Rite, LLC, Secured Debt 22023-12-310001535778Purge Rite, LLC, Preferred Equity2023-12-310001535778msif:PurgeRiteLLCMember2023-12-310001535778RA Outdoors LLC, Secured Debt 12023-12-310001535778RA Outdoors LLC, Secured Debt 22023-12-310001535778msif:RAOutdoorsLLCMember2023-12-310001535778Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt2023-12-310001535778Richardson Sales Solutions, Secured Debt 12023-12-310001535778Richardson Sales Solutions, Secured Debt 22023-12-310001535778msif:RichardsonSalesSolutionsMember2023-12-310001535778Roof Opco, LLC, Secured Debt 12023-12-310001535778Roof Opco, LLC, Secured Debt 22023-12-310001535778Roof Opco, LLC, Secured Debt 32023-12-310001535778msif:RoofOpcoLLCMember2023-12-310001535778Rug Doctor, LLC., Secured Debt 12023-12-310001535778Rug Doctor, LLC., Secured Debt 22023-12-310001535778msif:RugDoctorLLCMember2023-12-310001535778Slick Innovations, LLC, Secured Debt2023-12-310001535778Slick Innovations, LLC, Common Stock2023-12-310001535778msif:SlickInnovationsLLCMember2023-12-310001535778South Coast Terminals Holdings, LLC, Secured Debt 12023-12-310001535778South Coast Terminals Holdings, LLC, Secured Debt 22023-12-310001535778South Coast Terminals Holdings, LLC, Common Equity2023-12-310001535778msif:SouthCoastTerminalsHoldingsLLCMember2023-12-310001535778SPAU Holdings, LLC, Secured Debt 12023-12-310001535778SPAU Holdings, LLC, Secured Debt 22023-12-310001535778SPAU Holdings, LLC, Common Stock2023-12-310001535778msif:SPAUHoldingsLLCMember2023-12-310001535778Tex Tech Tennis, LLC, Preferred Equity2023-12-310001535778The Affiliati Network, LLC, Secured Debt 12023-12-310001535778The Affiliati Network, LLC, Secured Debt 22023-12-310001535778The Affiliati Network, LLC, Preferred Stock 12023-12-310001535778The Affiliati Network, LLC, Preferred Stock 22023-12-310001535778msif:TheAffiliatiNetworkLLCMember2023-12-310001535778U.S. TelePacific Corp., Secured Debt 12023-12-310001535778U.S. TelePacific Corp., Secured Debt 22023-12-310001535778msif:USTelePacificCorpMember2023-12-310001535778USA DeBusk LLC, Secured Debt 12023-12-310001535778USA DeBusk LLC, Secured Debt 22023-12-310001535778USA DeBusk LLC, Secured Debt 32023-12-310001535778msif:USADeBuskLLCMember2023-12-310001535778UserZoom Technologies, Inc., Secured Debt2023-12-310001535778Vistar Media, Inc., Preferred Stock2023-12-310001535778Vitesse Systems, Secured Debt2023-12-310001535778VORTEQ Coil Finishers, LLC, Common Equity2023-12-310001535778Wall Street Prep, Inc., Secured Debt 12023-12-310001535778Wall Street Prep, Inc., Secured Debt 22023-12-310001535778Wall Street Prep, Inc., Common Stock2023-12-310001535778msif:WallStreetPrepIncMember2023-12-310001535778Watterson Brands, LLC, Secured Debt 12023-12-310001535778Watterson Brands, LLC, Secured Debt 22023-12-310001535778Watterson Brands, LLC, Secured Debt 32023-12-310001535778Watterson Brands, LLC, Secured Debt 42023-12-310001535778msif:WattersonBrandsLLCMember2023-12-310001535778West Star Aviation Acquisition, LLC, Secured Debt 12023-12-310001535778West Star Aviation Acquisition, LLC, Secured Debt 22023-12-310001535778West Star Aviation Acquisition, LLC, Secured Debt 32023-12-310001535778West Star Aviation Acquisition, LLC, Common Stock2023-12-310001535778msif:WestStarAviationAcquisitionLLCMember2023-12-310001535778Winter Services LLC, Secured Debt 12023-12-310001535778Winter Services LLC, Secured Debt 22023-12-310001535778Winter Services LLC, Secured Debt 32023-12-310001535778msif:WinterServicesLLCMember2023-12-310001535778World Micro Holdings, LLC, Secured Debt2023-12-310001535778World Micro Holdings, LLC, Preferred Equity2023-12-310001535778msif:WorldMicroHoldingsLLCMember2023-12-310001535778Xenon Arc, Inc., Secured Debt 12023-12-310001535778Xenon Arc, Inc., Secured Debt 22023-12-310001535778Xenon Arc, Inc., Secured Debt 32023-12-310001535778msif:XenonArcIncMember2023-12-310001535778YS Garments, LLC, Secured Debt2023-12-310001535778Zips Car Wash, LLC, Secured Debt 12023-12-310001535778Zips Car Wash, LLC, Secured Debt 22023-12-310001535778msif:ZipsCarWashLLCMember2023-12-310001535778Fidelity Government Portfolio Class III Fund2023-12-310001535778First American Treasury Obligations Fund Class Z2023-12-310001535778us-gaap:MoneyMarketFundsMember2023-12-310001535778srt:MinimumMembermsif:LondonInterbankOfferedRateLIBOROrSecuredOvernightFinancingRateSOFRMember2023-12-310001535778srt:MaximumMembermsif:LondonInterbankOfferedRateLIBOROrSecuredOvernightFinancingRateSOFRMember2023-12-310001535778srt:WeightedAverageMembermsif:LondonInterbankOfferedRateLIBOROrSecuredOvernightFinancingRateSOFRMember2023-12-310001535778srt:MinimumMember2023-12-310001535778srt:MaximumMember2023-12-310001535778Bluestem Brands, Inc., Warrants2023-01-012023-12-310001535778Analytical Systems Keco Holdings, LLC, Warrants2023-01-012023-12-310001535778AAC Holdings, Inc., Warrants2023-01-012023-12-310001535778ITA Holdings Group, LLC, Warrants2023-01-012023-12-3100015357782023-01-012023-12-310001535778msif:PrivateLoanPortfolioMember2024-01-012024-06-300001535778msif:PrivateLoanPortfolioMember2024-04-012024-06-300001535778msif:PrivateLoanPortfolioMember2023-04-012023-06-300001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-04-012024-06-300001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-04-012023-06-300001535778msif:PrivateLoanPortfolioMember2023-07-012024-06-300001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-07-012024-06-300001535778msif:LowerMiddleMarketPortfolioMember2024-01-012024-06-300001535778msif:LowerMiddleMarketPortfolioMember2024-04-012024-06-300001535778msif:LowerMiddleMarketPortfolioMember2023-04-012023-06-300001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-04-012024-06-300001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-04-012023-06-300001535778msif:LowerMiddleMarketPortfolioMember2023-07-012024-06-300001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-07-012024-06-300001535778msif:MiddleMarketPortfolioMember2024-06-300001535778msif:MiddleMarketPortfolioMember2023-12-310001535778us-gaap:OtherAggregatedInvestmentsMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:OtherAggregatedInvestmentsMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMemberus-gaap:NonperformingFinancingReceivableMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMemberus-gaap:NonperformingFinancingReceivableMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMemberus-gaap:NonperformingFinancingReceivableMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMemberus-gaap:NonperformingFinancingReceivableMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:EquitySecuritiesMember2024-06-300001535778srt:MinimumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MaximumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:WeightedAverageMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MedianMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MinimumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2024-06-300001535778srt:MaximumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2024-06-300001535778srt:WeightedAverageMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2024-06-300001535778srt:MedianMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2024-06-300001535778us-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:DebtSecuritiesMember2024-06-300001535778srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MedianMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778srt:MedianMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2024-06-300001535778us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMemberus-gaap:DebtSecuritiesMember2024-06-300001535778srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2024-06-300001535778srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2024-06-300001535778srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2024-06-300001535778srt:MedianMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2024-06-300001535778us-gaap:FairValueInputsLevel3Member2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputEBITDAMultipleOutlierMembersrt:MinimumMember2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputEBITDAMultipleOutlierMembersrt:MaximumMember2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorOutlierMembersrt:MinimumMember2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorOutlierMembersrt:MaximumMember2024-06-300001535778us-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:EquitySecuritiesMember2023-12-310001535778srt:MinimumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MaximumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:WeightedAverageMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MedianMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputWeightedAverageCostOfCapitalMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MinimumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2023-12-310001535778srt:MaximumMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2023-12-310001535778srt:WeightedAverageMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2023-12-310001535778srt:MedianMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembermsif:ValuationMarketAndEnterpriseValueApproachMember2023-12-310001535778us-gaap:FairValueInputsLevel3Memberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:DebtSecuritiesMember2023-12-310001535778srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MedianMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778srt:MedianMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputExpectedPrincipalRecoveryPercentageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMember2023-12-310001535778us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMemberus-gaap:DebtSecuritiesMember2023-12-310001535778srt:MinimumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2023-12-310001535778srt:MaximumMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2023-12-310001535778srt:WeightedAverageMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2023-12-310001535778srt:MedianMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueInputsLevel3Membermsif:MeasurementInputThirdPartyQuoteMemberus-gaap:MarketApproachValuationTechniqueMember2023-12-310001535778us-gaap:FairValueInputsLevel3Member2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputEBITDAMultipleOutlierMembersrt:MinimumMember2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputEBITDAMultipleOutlierMembersrt:MaximumMember2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorOutlierMembersrt:MinimumMember2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:MeasurementInputRiskAdjustedDiscountFactorOutlierMembersrt:MaximumMember2023-12-310001535778us-gaap:DebtSecuritiesMember2023-12-310001535778us-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778us-gaap:DebtSecuritiesMember2024-06-300001535778us-gaap:EquitySecuritiesMember2023-12-310001535778us-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778us-gaap:EquitySecuritiesMember2024-06-300001535778msif:EquityWarrantMember2023-12-310001535778msif:EquityWarrantMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMembermsif:EquityWarrantMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMembermsif:EquityWarrantMember2024-01-012024-06-300001535778msif:EquityWarrantMember2024-06-300001535778us-gaap:InvestmentsMember2023-12-310001535778us-gaap:InvestmentsMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2024-01-012024-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2024-01-012024-06-300001535778us-gaap:InvestmentsMember2024-06-300001535778us-gaap:DebtSecuritiesMember2022-12-310001535778us-gaap:DebtSecuritiesMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:DebtSecuritiesMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:DebtSecuritiesMember2023-01-012023-06-300001535778us-gaap:DebtSecuritiesMember2023-06-300001535778us-gaap:EquitySecuritiesMember2022-12-310001535778us-gaap:EquitySecuritiesMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:EquitySecuritiesMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:EquitySecuritiesMember2023-01-012023-06-300001535778us-gaap:EquitySecuritiesMember2023-06-300001535778msif:EquityWarrantMember2022-12-310001535778msif:EquityWarrantMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMembermsif:EquityWarrantMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMembermsif:EquityWarrantMember2023-01-012023-06-300001535778msif:EquityWarrantMember2023-06-300001535778us-gaap:InvestmentsMember2022-12-310001535778us-gaap:InvestmentsMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2023-01-012023-06-300001535778msif:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2023-01-012023-06-300001535778us-gaap:InvestmentsMember2023-06-300001535778msif:PrivateLoanPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel1Membermsif:PrivateLoanPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel2Membermsif:PrivateLoanPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:PrivateLoanPortfolioMember2024-06-300001535778msif:LowerMiddleMarketPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel1Membermsif:LowerMiddleMarketPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel2Membermsif:LowerMiddleMarketPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:LowerMiddleMarketPortfolioMember2024-06-300001535778msif:MiddleMarketPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel1Membermsif:MiddleMarketPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel2Membermsif:MiddleMarketPortfolioMember2024-06-300001535778us-gaap:FairValueInputsLevel3Membermsif:MiddleMarketPortfolioMember2024-06-300001535778us-gaap:OtherAggregatedInvestmentsMember2024-06-300001535778us-gaap:FairValueInputsLevel1Memberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001535778us-gaap:FairValueInputsLevel2Memberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001535778us-gaap:FairValueInputsLevel3Memberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001535778us-gaap:FairValueInputsLevel1Member2024-06-300001535778us-gaap:FairValueInputsLevel2Member2024-06-300001535778msif:PrivateLoanPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel1Membermsif:PrivateLoanPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel2Membermsif:PrivateLoanPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:PrivateLoanPortfolioMember2023-12-310001535778msif:LowerMiddleMarketPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel1Membermsif:LowerMiddleMarketPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel2Membermsif:LowerMiddleMarketPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:LowerMiddleMarketPortfolioMember2023-12-310001535778msif:MiddleMarketPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel1Membermsif:MiddleMarketPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel2Membermsif:MiddleMarketPortfolioMember2023-12-310001535778us-gaap:FairValueInputsLevel3Membermsif:MiddleMarketPortfolioMember2023-12-310001535778us-gaap:OtherAggregatedInvestmentsMember2023-12-310001535778us-gaap:FairValueInputsLevel1Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001535778us-gaap:FairValueInputsLevel2Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001535778us-gaap:FairValueInputsLevel3Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001535778us-gaap:FairValueInputsLevel1Member2023-12-310001535778us-gaap:FairValueInputsLevel2Member2023-12-310001535778srt:MinimumMembermsif:PrivateLoanPortfolioMember2024-06-300001535778srt:MaximumMembermsif:PrivateLoanPortfolioMember2024-06-300001535778msif:PrivateLoanPortfolioMembersrt:MinimumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:PrivateLoanPortfolioMembersrt:MaximumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778srt:MinimumMembermsif:LowerMiddleMarketPortfolioMember2024-01-012024-06-300001535778srt:MaximumMembermsif:LowerMiddleMarketPortfolioMember2024-01-012024-06-300001535778srt:MinimumMembermsif:LowerMiddleMarketPortfolioMember2024-06-300001535778srt:MaximumMembermsif:LowerMiddleMarketPortfolioMember2024-06-300001535778msif:LowerMiddleMarketPortfolioMembersrt:MinimumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:LowerMiddleMarketPortfolioMembersrt:MaximumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778srt:MinimumMembermsif:MiddleMarketPortfolioMember2024-01-012024-06-300001535778srt:MaximumMembermsif:MiddleMarketPortfolioMember2024-01-012024-06-300001535778srt:MinimumMembermsif:MiddleMarketPortfolioMember2024-06-300001535778srt:MaximumMembermsif:MiddleMarketPortfolioMember2024-06-300001535778msif:MiddleMarketPortfolioMembersrt:MinimumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:MiddleMarketPortfolioMembersrt:MaximumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778us-gaap:OtherAggregatedInvestmentsMembersrt:MinimumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778us-gaap:OtherAggregatedInvestmentsMembersrt:MaximumMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:PrivateLoanPortfolioMember2024-06-300001535778msif:LowerMiddleMarketPortfolioMember2024-06-300001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:MiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:DebtSecuritiesMember2024-01-012024-06-300001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:MiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2024-01-012024-06-300001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2024-01-012024-06-300001535778msif:MiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2024-01-012024-06-300001535778us-gaap:NonperformingFinancingReceivableMembermsif:PrivateLoanPortfolioMember2024-06-300001535778us-gaap:NonperformingFinancingReceivableMembermsif:LowerMiddleMarketPortfolioMember2024-06-300001535778us-gaap:NonperformingFinancingReceivableMembermsif:MiddleMarketPortfolioMember2024-06-300001535778msif:MiddleMarketPortfolioMember2024-01-012024-06-300001535778msif:PrivateLoanPortfolioMember2023-12-310001535778msif:LowerMiddleMarketPortfolioMember2023-12-310001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:DebtSecuritiesMember2023-01-012023-12-310001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:DebtSecuritiesMember2023-01-012023-12-310001535778msif:MiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:DebtSecuritiesMember2023-01-012023-12-310001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001535778msif:MiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001535778msif:PrivateLoanPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2023-01-012023-12-310001535778msif:LowerMiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2023-01-012023-12-310001535778msif:MiddleMarketPortfolioMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2023-01-012023-12-310001535778us-gaap:NonperformingFinancingReceivableMembermsif:PrivateLoanPortfolioMember2023-12-310001535778us-gaap:NonperformingFinancingReceivableMembermsif:LowerMiddleMarketPortfolioMember2023-12-310001535778us-gaap:NonperformingFinancingReceivableMembermsif:MiddleMarketPortfolioMember2023-12-310001535778msif:PrivateLoanPortfolioMember2023-01-012023-12-310001535778us-gaap:OtherAggregatedInvestmentsMember2024-06-300001535778us-gaap:OtherAggregatedInvestmentsMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:OtherAggregatedInvestmentsMember2023-12-310001535778us-gaap:OtherAggregatedInvestmentsMembermsif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesFirstLienMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesSecondLienMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:DebtSecuritiesSecondLienMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:EquityWarrantMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMembermsif:EquityWarrantMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:OtherAggregatedInvestmentsMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMemberus-gaap:OtherAggregatedInvestmentsMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMembermsif:DebtSecuritiesFirstLienMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMembermsif:DebtSecuritiesFirstLienMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMemberus-gaap:EquitySecuritiesMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMembermsif:DebtSecuritiesSecondLienMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMembermsif:DebtSecuritiesSecondLienMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMembermsif:EquityWarrantMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMembermsif:EquityWarrantMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMemberus-gaap:OtherAggregatedInvestmentsMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMemberus-gaap:OtherAggregatedInvestmentsMember2023-01-012023-12-310001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:InvestmentTypeConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:NortheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:NortheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:MidwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:MidwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:SoutheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:SoutheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:SouthwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:SouthwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:WestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:WestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778country:CAus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778country:CAus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:NonUsMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:NonUsMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778us-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778us-gaap:NortheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:NortheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:SouthwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:SouthwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:MidwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:MidwestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:WestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:WestRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:SoutheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:SoutheastRegionMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778country:CAus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778country:CAus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:NonUsMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:NonUsMemberus-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778us-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778us-gaap:GeographicConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:CommercialServicesAndSuppliesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:CommercialServicesAndSuppliesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:InternetSoftwareAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:InternetSoftwareAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:ElectricalEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:ElectricalEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:ProfessionalServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:ProfessionalServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:DiversifiedConsumerServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:DiversifiedConsumerServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:MachineryMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:MachineryMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:HealthCareProvidersAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:HealthCareProvidersAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:ContainersAndPackagingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:ContainersAndPackagingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:ITServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:ITServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:DistributorsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:DistributorsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:LeisureEquipmentAndProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:LeisureEquipmentAndProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:TextilesApparelAndLuxuryGoodsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:TextilesApparelAndLuxuryGoodsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:SpecialtyRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:SpecialtyRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:CommunicationsEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:CommunicationsEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:ComputersAndPeripheralsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:ComputersAndPeripheralsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:AerospaceAndDefenseMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:AerospaceAndDefenseMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:BuildingProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:BuildingProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:ConstructionAndEngineeringMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:ConstructionAndEngineeringMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:DiversifiedFinancialServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:DiversifiedFinancialServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:HotelsRestaurantsAndLeisureMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:HotelsRestaurantsAndLeisureMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:HouseholdProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:HouseholdProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:AutoComponentsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:AutoComponentsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:EnergyEquipmentAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:EnergyEquipmentAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:InternetAndCatalogRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:InternetAndCatalogRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:FoodAndStaplesRetailingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:FoodAndStaplesRetailingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:SoftwareMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:SoftwareMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:MediaMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:MediaMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:HealthCareEquipmentAndSuppliesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:HealthCareEquipmentAndSuppliesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:OtherMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:OtherMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2024-01-012024-06-300001535778msif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtCostMember2023-01-012023-12-310001535778msif:MachineryMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:MachineryMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:DiversifiedConsumerServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:DiversifiedConsumerServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:CommercialServicesAndSuppliesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:CommercialServicesAndSuppliesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ElectricalEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ElectricalEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:InternetSoftwareAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:InternetSoftwareAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ProfessionalServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ProfessionalServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ContainersAndPackagingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ContainersAndPackagingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:DistributorsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:DistributorsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ComputersAndPeripheralsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ComputersAndPeripheralsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ITServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ITServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:HealthCareProvidersAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:HealthCareProvidersAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ConstructionAndEngineeringMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ConstructionAndEngineeringMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:LeisureEquipmentAndProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:LeisureEquipmentAndProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:SpecialtyRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:SpecialtyRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:TextilesApparelAndLuxuryGoodsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:TextilesApparelAndLuxuryGoodsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:AerospaceAndDefenseMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:AerospaceAndDefenseMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:BuildingProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:BuildingProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:DiversifiedFinancialServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:DiversifiedFinancialServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:ConstructionMaterialsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:ConstructionMaterialsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:HouseholdProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:HouseholdProductsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:SoftwareMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:SoftwareMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:AutoComponentsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:AutoComponentsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:HotelsRestaurantsAndLeisureMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:HotelsRestaurantsAndLeisureMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:AirFreightAndLogisticsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:AirFreightAndLogisticsMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:InternetAndCatalogRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:InternetAndCatalogRetailMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:EnergyEquipmentAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:EnergyEquipmentAndServicesMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:FoodAndStaplesRetailingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:FoodAndStaplesRetailingMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:MediaMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:MediaMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:CommunicationsEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:CommunicationsEquipmentMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:OtherMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:OtherMembermsif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2024-01-012024-06-300001535778msif:IndustryConcentrationRiskMembermsif:InvestmentOwnedAtFairValueMember2023-01-012023-12-310001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001535778msif:SPVFacilityMember2024-01-012024-06-300001535778msif:CorporateFacilityMember2024-01-012024-06-300001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001535778msif:SeriesANotesDue2026Member2024-01-012024-06-300001535778msif:SPVFacilityMember2023-01-012023-12-310001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001535778msif:CorporateFacilityMember2023-01-012023-12-310001535778msif:SeriesANotesDue2026Member2023-01-012023-12-310001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-04-012024-06-300001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-04-012023-06-300001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-01-012024-06-300001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-01-012023-06-300001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-04-012024-06-300001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-04-012023-06-300001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-01-012024-06-300001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-01-012023-06-300001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2024-04-012024-06-300001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2023-04-012023-06-300001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2024-01-012024-06-300001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2023-01-012023-06-300001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMemberus-gaap:SecuredOvernightFinancingRateSofrMembermsif:DebtVariableRateComponentOneMember2017-03-062017-03-060001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMemberus-gaap:BaseRateMembermsif:DebtVariableRateComponentTwoMember2017-03-062017-03-060001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMembermsif:FederalFundsRateMembermsif:DebtVariableRateComponentTwoMember2017-03-062017-03-060001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMemberus-gaap:SecuredOvernightFinancingRateSofrMembermsif:DebtVariableRateComponentTwoMember2017-03-062017-03-060001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMembersrt:MinimumMember2017-03-062017-03-060001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMembersrt:MaximumMember2017-03-062017-03-060001535778msif:CorporateFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMemberus-gaap:SecuredOvernightFinancingRateSofrMember2023-04-272023-04-270001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2021-02-030001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-08-310001535778msif:SPVFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2021-02-032021-02-030001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2021-10-210001535778msif:SeriesANotesDue2026Memberus-gaap:UnsecuredDebtMember2022-01-210001535778us-gaap:CommonStockMember2024-01-012024-06-300001535778msif:DutchAuctionMember2024-02-052024-02-050001535778msif:DutchAuctionMember2024-05-172024-05-170001535778msif:ShareRepurchaseProgramMember2024-04-012024-06-300001535778msif:ShareRepurchaseProgramMember2023-04-012023-06-300001535778msif:DutchAuctionMember2024-04-012024-06-300001535778msif:DutchAuctionMember2023-04-012023-06-300001535778msif:ShareRepurchaseProgramMember2024-01-012024-06-300001535778msif:ShareRepurchaseProgramMember2023-01-012023-06-300001535778msif:DutchAuctionMember2024-01-012024-06-300001535778msif:DutchAuctionMember2023-01-012023-06-300001535778msif:ShareRepurchaseProgramMember2021-03-012024-06-300001535778msif:DutchAuctionMember2023-06-012024-06-300001535778HPEP 3, L.P.2024-06-300001535778Brightwood Capital Fund III, LP2024-06-300001535778us-gaap:EquitySecuritiesMember2024-06-300001535778Computer Data Source, LLC2024-06-300001535778HEADLANDS OP-CO LLC2024-06-300001535778CQ Fluency, LLC2024-06-300001535778ZRG Partners, LLC2024-06-300001535778Mako Steel, LP2024-06-300001535778Insight Borrower Corporation2024-06-300001535778Winter Services LLC2024-06-300001535778JDC Power Services, LLC2024-06-300001535778BP Loenbro Holdings Inc.2024-06-300001535778Garyline, LLC2024-06-300001535778SI East, LLC (Stavig)2024-06-300001535778American Health Staffing Group, Inc.2024-06-300001535778IG Parent Corporation (Infogain)2024-06-300001535778Creative Foam Corporation2024-06-300001535778Burning Glass Intermediate Holding Company, Inc.2024-06-300001535778AB Centers Acquisition Corporation2024-06-300001535778Bluestem Brands, Inc.2024-06-300001535778Titan Meter Midco Corp.2024-06-300001535778Power System Solutions2024-06-300001535778Bettercloud, Inc.2024-06-300001535778Imaging Business Machines, L.L.C.2024-06-300001535778Invincible Boat Company, LLC.2024-06-300001535778IG Investor, LLC (Ira Green)2024-06-300001535778Bond Brand Loyalty ULC2024-06-300001535778Jackmont Hospitality, Inc.2024-06-300001535778Nello Industries Investco, LLC2024-06-300001535778Coregistics Buyer LLC (Belvika)2024-06-300001535778VVS Holdco LLC2024-06-300001535778Cody Pools, Inc.2024-06-300001535778PurgeRite, LLC2024-06-300001535778Acumera, Inc.2024-06-300001535778NinjaTrader, LLC2024-06-300001535778Engineering Research & Consulting, LLC2024-06-300001535778NexRev LLC2024-06-300001535778Centre Technologies Holdings, LLC2024-06-300001535778Sales Performance International, LLC2024-06-300001535778Obra Capital, Inc.2024-06-300001535778SPAU Holdings, LLC2024-06-300001535778AVEX Aviation Holdings, LLC2024-06-300001535778Wall Street Prep, Inc.2024-06-300001535778The Affiliati Network, LLC2024-06-300001535778ArborWorks, LLC2024-06-300001535778Island Pump and Tank, LLC2024-06-300001535778Microbe Formulas, LLC2024-06-300001535778Watterson Brands, LLC2024-06-300001535778Mini Melts of America, LLC2024-06-300001535778Colonial Electric Company LLC2024-06-300001535778Chamberlin Holding LLC2024-06-300001535778Trantech Radiator Topco, LLC2024-06-300001535778CaseWorthy, Inc.2024-06-300001535778Johnson Downie Opco, LLC2024-06-300001535778Pinnacle TopCo, LLC2024-06-300001535778South Coast Terminals Holdings, LLC2024-06-300001535778Escalent, Inc.2024-06-300001535778PTL US Bidco, Inc2024-06-300001535778Clad-Rex Steel, LLC2024-06-300001535778Gamber-Johnson Holdings, LLC2024-06-300001535778Roof Opco (Apple Roof), LLC2024-06-300001535778MetalForming AcquireCo, LLC2024-06-300001535778Mystic Logistics Holdings, LLC2024-06-300001535778Career Team Holdings, LLC2024-06-300001535778Orttech Holdings, LLC2024-06-300001535778Batjer TopCo, LLC2024-06-300001535778ATS Operating, LLC2024-06-300001535778ASK (Analytical Systems Keco Holdings, LLC)2024-06-300001535778Channel Partners Intermediateco, LLC2024-06-300001535778Elgin AcquireCo, LLC2024-06-300001535778Vitesse Systems2024-06-300001535778GRT Rubber Technologies LLC2024-06-300001535778Gulf Publishing Holdings, LLC2024-06-300001535778ITA Holdings Group, LLC (Apollo MedFlight)2024-06-300001535778AAC Holdings, Inc.2024-06-300001535778Inspire Aesthetics Management, LLC2024-06-300001535778Buca C, LLC2024-06-300001535778us-gaap:DebtSecuritiesMember2024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementMember2020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRatePreIncentiveFeeNetInvestmentIncomeMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRateQuarterlyHurdleRateMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRateAnnualizedHurdleRateMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRatePreIncentiveFeeNetInvestmentIncomeBelowCatchUpThresholdMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRateQuarterlyCatchUpThresholdMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRateAnnualizedCatchUpThresholdMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveRatePreIncentiveFeeNetInvestmentIncomeExceedsCatchUpThresholdMember2020-10-302020-10-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementBaseManagementFeesMember2024-04-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementBaseManagementFeesMember2023-04-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementSubordinatedIncentiveFeesMember2024-04-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementSubordinatedIncentiveFeesMember2023-04-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveFeesCapitalGainsFeesMember2023-04-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveFeesCapitalGainsFeesMember2024-04-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementBaseManagementFeesMember2024-01-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementBaseManagementFeesMember2023-01-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementSubordinatedIncentiveFeesMember2024-01-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementSubordinatedIncentiveFeesMember2023-01-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveFeesCapitalGainsFeesMember2024-01-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementIncentiveFeesCapitalGainsFeesMember2023-01-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementInternalAdministrativeServicesMember2023-04-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementInternalAdministrativeServicesMember2024-04-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementInternalAdministrativeServicesMember2024-01-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeMembermsif:AdvisoryAgreementInternalAdministrativeServicesMember2023-01-012023-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeHMSAdviserMembermsif:OfferingCostsMember2024-01-012024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeHMSAdviserMembermsif:OfferingCostsMember2024-06-300001535778us-gaap:RelatedPartyMembermsif:MSCIncomeHMSAdviserMembermsif:OfferingCostsMember2023-04-012023-06-300001535778us-gaap:RelatedPartyMembermsif:DividendReinvestmentPlanMembermsif:MainStreetMember2024-05-012024-05-010001535778us-gaap:RelatedPartyMembermsif:DividendReinvestmentPlanMembermsif:MainStreetMember2024-05-010001535778us-gaap:SubsequentEventMembermsif:DividendReinvestmentPlanMember2024-08-012024-08-010001535778us-gaap:SubsequentEventMembermsif:DividendReinvestmentPlanMember2024-08-010001535778us-gaap:SubsequentEventMember2024-08-012024-08-010001535778us-gaap:SubsequentEventMember2024-08-010001535778us-gaap:SubsequentEventMember2024-08-132024-08-130001535778us-gaap:SubsequentEventMember2024-08-130001535778Copper Trail Fund Investments, LP Interests (CTMH, LP)2024-01-012024-06-300001535778GRT Rubber Technologies LLC, Secured Debt 12024-01-012024-06-300001535778GRT Rubber Technologies LLC, Secured Debt 22024-01-012024-06-300001535778GRT Rubber Technologies LLC, Member Units2024-01-012024-06-300001535778Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)2024-01-012024-06-300001535778Volusion, LLC, Secured Debt2024-01-012024-06-300001535778Volusion, LLC, Preferred Member Units 1.12024-01-012024-06-300001535778Volusion, LLC, Preferred Member Units 1.12023-12-310001535778Volusion, LLC, Preferred Member Units 1.12024-06-300001535778Volusion, LLC, Preferred Member Units 2.12024-01-012024-06-300001535778Volusion, LLC, Preferred Member Units 2.12023-12-310001535778Volusion, LLC, Preferred Member Units 2.12024-06-300001535778Volusion, LLC, Preferred Member Units 32024-01-012024-06-300001535778Volusion, LLC, Common Stock2024-01-012024-06-300001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments2024-01-012024-06-300001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments2023-12-310001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments2024-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 12024-01-012024-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 22024-01-012024-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.12024-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.12024-01-012024-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.12023-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.12024-01-012024-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.12023-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.12024-06-300001535778Barfly Ventures, LLC, Member Units2024-01-012024-06-300001535778Batjer TopCo, LLC, Secured Debt 12024-01-012024-06-300001535778Batjer TopCo, LLC, Secured Debt 22024-01-012024-06-300001535778Batjer TopCo, LLC, Secured Debt 32024-01-012024-06-300001535778Batjer TopCo, LLC, Preferred Stock2024-01-012024-06-300001535778Brewer Crane Holdings, LLC, Secured Debt2024-01-012024-06-300001535778Brewer Crane Holdings, LLC, Preferred Member Units2024-01-012024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 12024-01-012024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 2.12024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 2.12024-01-012024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 2.12023-12-310001535778Centre Technologies Holdings, LLC, Secured Debt 32024-01-012024-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 32023-12-310001535778Centre Technologies Holdings, LLC, Secured Debt 32024-06-300001535778Centre Technologies Holdings, LLC, Preferred Member Units2024-01-012024-06-300001535778Chamberlin Holding LLC, Secured Debt 12024-01-012024-06-300001535778Chamberlin Holding LLC, Secured Debt 22024-01-012024-06-300001535778Chamberlin Holding LLC, Member Units 12024-01-012024-06-300001535778Chamberlin Holding LLC, Member Units 22024-01-012024-06-300001535778Charps, LLC, Preferred Member Units2024-01-012024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 1.12024-01-012024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 1.12023-12-310001535778Clad-Rex Steel, LLC, Secured Debt 1.12024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 2.12024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 2.12024-01-012024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 2.12023-12-310001535778Clad-Rex Steel, LLC, Secured Debt 32024-01-012024-06-300001535778Clad-Rex Steel, LLC, Secured Debt 32023-12-310001535778Clad-Rex Steel, LLC, Member Units 12024-01-012024-06-300001535778Clad-Rex Steel, LLC, Member Units 22024-01-012024-06-300001535778Cody Pools, Inc., Secured Debt 12024-01-012024-06-300001535778Cody Pools, Inc., Secured Debt 22024-01-012024-06-300001535778Cody Pools, Inc., Preferred Member Units2024-01-012024-06-300001535778Colonial Electric Company LLC, Secured Debt 12024-01-012024-06-300001535778Colonial Electric Company LLC, Secured Debt 22024-01-012024-06-300001535778Colonial Electric Company LLC, Preferred Member Units 12024-01-012024-06-300001535778Colonial Electric Company LLC, Preferred Member Units 12024-06-300001535778Colonial Electric Company LLC, Preferred Member Units 22024-01-012024-06-300001535778Colonial Electric Company LLC, Preferred Member Units 22024-06-300001535778Compass Systems & Sales, LLC, Secured Debt 12024-01-012024-06-300001535778Compass Systems & Sales, LLC, Secured Debt 22024-01-012024-06-300001535778Compass Systems & Sales, LLC, Preferred Equity2024-01-012024-06-300001535778Datacom, LLC, Secured Debt 12024-01-012024-06-300001535778Datacom, LLC, Secured Debt 22024-01-012024-06-300001535778Datacom, LLC, Preferred Member Units2024-01-012024-06-300001535778Digital Products Holdings LLC, Secured Debt2024-01-012024-06-300001535778Digital Products Holdings LLC, Preferred Member Units2024-01-012024-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 12024-01-012024-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 22024-01-012024-06-300001535778Direct Marketing Solutions, Inc., Preferred Stock2024-01-012024-06-300001535778Flame King Holdings, LLC, Preferred Equity2024-01-012024-06-300001535778Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)2024-01-012024-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 12024-01-012024-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 22024-01-012024-06-300001535778Gamber-Johnson Holdings, LLC, Member Units2024-01-012024-06-300001535778GFG Group, LLC, Secured Debt2024-01-012024-06-300001535778GFG Group, LLC, Preferred Member Units2024-01-012024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12024-01-012024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12023-12-310001535778Gulf Publishing Holdings, LLC, Secured Debt 22024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 22024-01-012024-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 22023-12-310001535778Gulf Publishing Holdings, LLC, Preferred Equity2024-01-012024-06-300001535778Gulf Publishing Holdings, LLC, Member Units2024-01-012024-06-300001535778HPEP 3, L.P., LP Interests (HPEP 3, L.P.)2024-01-012024-06-300001535778HPEP 3, L.P., LP Interests (HPEP 3, L.P.)2023-12-310001535778HPEP 3, L.P., LP Interests (HPEP 3, L.P.)2024-06-300001535778IG Investor, LLC, Secured Debt 12024-01-012024-06-300001535778IG Investor, LLC, Secured Debt 22024-01-012024-06-300001535778IG Investor, LLC, Common Equity2024-01-012024-06-300001535778Independent Pet Partners Intermediate Holdings, LLC, Common Equity2024-01-012024-06-300001535778Integral Energy Services, Secured Debt2024-01-012024-06-300001535778Integral Energy Services, Preferred Equity2024-01-012024-06-300001535778Integral Energy Services, Common Stock2024-01-012024-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 12024-01-012024-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 22024-01-012024-06-300001535778Kickhaefer Manufacturing Company, LLC, Preferred Equity2024-01-012024-06-300001535778Kickhaefer Manufacturing Company, LLC, Member Units2024-01-012024-06-300001535778MH Corbin Holding LLC, Secured Debt2024-01-012024-06-300001535778MH Corbin Holding LLC, Preferred Member Units 12024-01-012024-06-300001535778MH Corbin Holding LLC, Preferred Member Units 22024-01-012024-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 12024-01-012024-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 22024-01-012024-06-300001535778Mystic Logistics Holdings, LLC, Common Stock2024-01-012024-06-300001535778Nello Industries Investco, LLC, Secured Debt 12024-01-012024-06-300001535778Nello Industries Investco, LLC, Secured Debt 12023-12-310001535778Nello Industries Investco, LLC, Secured Debt 22024-06-300001535778Nello Industries Investco, LLC, Secured Debt 22024-01-012024-06-300001535778Nello Industries Investco, LLC, Secured Debt 22023-12-310001535778Nello Industries Investco, LLC, Common Equity2024-01-012024-06-300001535778Nello Industries Investco, LLC, Common Equity2023-12-310001535778Nello Industries Investco, LLC, Common Equity2024-06-300001535778NexRev LLC, Secured Debt 12024-01-012024-06-300001535778NexRev LLC, Secured Debt 22024-01-012024-06-300001535778NexRev LLC, Preferred Member Units2024-01-012024-06-300001535778NuStep, LLC, Secured Debt 12024-01-012024-06-300001535778NuStep, LLC, Secured Debt 22024-01-012024-06-300001535778NuStep, LLC, Preferred Member Units 1.12024-01-012024-06-300001535778NuStep, LLC, Preferred Member Units 1.12023-12-310001535778NuStep, LLC, Preferred Member Units 1.12024-06-300001535778NuStep, LLC, Preferred Member Units 2.12024-01-012024-06-300001535778NuStep, LLC, Preferred Member Units 2.12023-12-310001535778NuStep, LLC, Preferred Member Units 2.12024-06-300001535778Oneliance, LLC, Secured Debt2024-01-012024-06-300001535778Oneliance, LLC, Preferred Stock2024-01-012024-06-300001535778Orttech Holdings, LLC, Secured Debt 12024-01-012024-06-300001535778Orttech Holdings, LLC, Secured Debt 22024-01-012024-06-300001535778Orttech Holdings, LLC, Preferred Stock2024-01-012024-06-300001535778Pinnacle TopCo, LLC, Secured Debt 12024-01-012024-06-300001535778Pinnacle TopCo, LLC, Secured Debt 22024-01-012024-06-300001535778Pinnacle TopCo, LLC, Preferred Equity2024-01-012024-06-300001535778Robbins Bros. Jewelry, Inc., Secured Debt 12024-01-012024-06-300001535778Robbins Bros. Jewelry, Inc., Secured Debt 22024-01-012024-06-300001535778Robbins Bros. Jewelry, Inc., Preferred Equity2024-01-012024-06-300001535778SI East, LLC, Secured Debt 12024-06-300001535778SI East, LLC, Secured Debt 12024-01-012024-06-300001535778SI East, LLC, Secured Debt 12023-12-310001535778SI East, LLC, Secured Debt 22024-01-012024-06-300001535778SI East, LLC, Secured Debt 22023-12-310001535778SI East, LLC, Secured Debt 22024-06-300001535778SI East, LLC, Secured Debt 32024-06-300001535778SI East, LLC, Secured Debt 32024-01-012024-06-300001535778SI East, LLC, Secured Debt 32023-12-310001535778SI East, LLC, Preferred Member Units2024-01-012024-06-300001535778SI East, LLC, Preferred Member Units2023-12-310001535778SI East, LLC, Preferred Member Units2024-06-300001535778Student Resource Center, LLC, Secured Debt2024-01-012024-06-300001535778Student Resource Center, LLC, Preferred Equity2024-01-012024-06-300001535778Tedder Industries, LLC, Secured Debt 12024-01-012024-06-300001535778Tedder Industries, LLC, Secured Debt 22024-01-012024-06-300001535778Tedder Industries, LLC, Preferred Member Units 12024-01-012024-06-300001535778Tedder Industries, LLC, Preferred Member Units 22024-01-012024-06-300001535778Tedder Industries, LLC, Preferred Member Units 32024-01-012024-06-300001535778Trantech Radiator Topco, LLC, Secured Debt 12024-01-012024-06-300001535778Trantech Radiator Topco, LLC, Secured Debt 22024-01-012024-06-300001535778Trantech Radiator Topco, LLC, Common Stock2024-01-012024-06-300001535778VVS Holdco LLC, Secured Debt 12024-01-012024-06-300001535778VVS Holdco LLC, Secured Debt 22024-01-012024-06-300001535778VVS Holdco LLC, Preferred Equity2024-01-012024-06-300001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments2024-01-012024-06-300001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments2023-12-310001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments2024-06-300001535778us-gaap:MidwestRegionMemberus-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-06-300001535778us-gaap:NortheastRegionMemberus-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-06-300001535778us-gaap:SoutheastRegionMemberus-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-06-300001535778us-gaap:SouthwestRegionMemberus-gaap:InvestmentAffiliatedIssuerControlledMember2024-06-300001535778us-gaap:SouthwestRegionMemberus-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-06-300001535778us-gaap:WestRegionMemberus-gaap:InvestmentAffiliatedIssuerControlledMember2024-06-300001535778us-gaap:WestRegionMemberus-gaap:InvestmentAffiliatedIssuerNoncontrolledMember2024-06-300001535778GRT Rubber Technologies LLC, Secured Debt 12023-06-300001535778GRT Rubber Technologies LLC, Secured Debt 12023-01-012023-06-300001535778GRT Rubber Technologies LLC, Secured Debt 12022-12-310001535778GRT Rubber Technologies LLC, Secured Debt 22023-06-300001535778GRT Rubber Technologies LLC, Secured Debt 22023-01-012023-06-300001535778GRT Rubber Technologies LLC, Secured Debt 22022-12-310001535778GRT Rubber Technologies LLC, Member Units2023-01-012023-06-300001535778GRT Rubber Technologies LLC, Member Units2022-12-310001535778GRT Rubber Technologies LLC, Member Units2023-06-300001535778Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)2023-01-012023-06-300001535778Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)2022-12-310001535778Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)2023-06-300001535778Copper Trail Fund Investments, LP Interests (CTMH, LP)2023-01-012023-06-300001535778Copper Trail Fund Investments, LP Interests (CTMH, LP)2022-12-310001535778Copper Trail Fund Investments, LP Interests (CTMH, LP)2023-06-300001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments2023-01-012023-06-300001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments2022-12-310001535778Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments2023-06-300001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2022-12-310001535778us-gaap:InvestmentAffiliatedIssuerControlledMember2023-06-300001535778AFG Capital Group, LLC, Preferred Member Units2023-01-012023-06-300001535778AFG Capital Group, LLC, Preferred Member Units2022-12-310001535778AFG Capital Group, LLC, Preferred Member Units2023-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 12023-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 12023-01-012023-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 12022-12-310001535778Analytical Systems Keco Holdings, LLC, Secured Debt 22023-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 22023-01-012023-06-300001535778Analytical Systems Keco Holdings, LLC, Secured Debt 22022-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 12023-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 12023-01-012023-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 12022-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 22023-01-012023-06-300001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 22022-12-310001535778Analytical Systems Keco Holdings, LLC, Preferred Member Units 22023-06-300001535778Analytical Systems Keco Holdings, LLC, Warrants2023-01-012023-06-300001535778Analytical Systems Keco Holdings, LLC, Warrants2022-12-310001535778Analytical Systems Keco Holdings, LLC, Warrants2023-06-300001535778ATX Networks Corp., Secured Debt2023-06-300001535778ATX Networks Corp., Secured Debt2023-01-012023-06-300001535778ATX Networks Corp., Secured Debt2022-12-310001535778ATX Networks Corp., Unsecured Debt2023-01-012023-06-300001535778ATX Networks Corp., Unsecured Debt2022-12-310001535778ATX Networks Corp., Unsecured Debt2023-06-300001535778ATX Networks Corp., Common Stock2023-01-012023-06-300001535778ATX Networks Corp., Common Stock2022-12-310001535778ATX Networks Corp., Common Stock2023-06-300001535778Barfly Ventures, LLC, Member Units2023-01-012023-06-300001535778Barfly Ventures, LLC, Member Units2022-12-310001535778Barfly Ventures, LLC, Member Units2023-06-300001535778Batjer TopCo, LLC, Secured Debt 12023-01-012023-06-300001535778Batjer TopCo, LLC, Secured Debt 12022-12-310001535778Batjer TopCo, LLC, Secured Debt 12023-06-300001535778Batjer TopCo, LLC, Secured Debt 22023-06-300001535778Batjer TopCo, LLC, Secured Debt 22023-01-012023-06-300001535778Batjer TopCo, LLC, Secured Debt 22022-12-310001535778Batjer TopCo, LLC, Preferred Stock2023-01-012023-06-300001535778Batjer TopCo, LLC, Preferred Stock2022-12-310001535778Batjer TopCo, LLC, Preferred Stock2023-06-300001535778Brewer Crane Holdings, LLC, Secured Debt2023-06-300001535778Brewer Crane Holdings, LLC, Secured Debt2023-01-012023-06-300001535778Brewer Crane Holdings, LLC, Secured Debt2022-12-310001535778Brewer Crane Holdings, LLC, Preferred Member Units2023-01-012023-06-300001535778Brewer Crane Holdings, LLC, Preferred Member Units2022-12-310001535778Brewer Crane Holdings, LLC, Preferred Member Units2023-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 12023-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 12023-01-012023-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 12022-12-310001535778Centre Technologies Holdings, LLC, Secured Debt 22023-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 22023-01-012023-06-300001535778Centre Technologies Holdings, LLC, Secured Debt 22022-12-310001535778Centre Technologies Holdings, LLC, Preferred Member Units2023-01-012023-06-300001535778Centre Technologies Holdings, LLC, Preferred Member Units2022-12-310001535778Centre Technologies Holdings, LLC, Preferred Member Units2023-06-300001535778Chamberlin Holding LLC, Secured Debt 12023-06-300001535778Chamberlin Holding LLC, Secured Debt 12023-01-012023-06-300001535778Chamberlin Holding LLC, Secured Debt 12022-12-310001535778Chamberlin Holding LLC, Secured Debt 22023-06-300001535778Chamberlin Holding LLC, Secured Debt 22023-01-012023-06-300001535778Chamberlin Holding LLC, Secured Debt 22022-12-310001535778Chamberlin Holding LLC, Member Units 12023-01-012023-06-300001535778Chamberlin Holding LLC, Member Units 12022-12-310001535778Chamberlin Holding LLC, Member Units 12023-06-300001535778Chamberlin Holding LLC, Member Units 22023-01-012023-06-300001535778Chamberlin Holding LLC, Member Units 22022-12-310001535778Chamberlin Holding LLC, Member Units 22023-06-300001535778Charps, LLC, Preferred Member Units2023-01-012023-06-300001535778Charps, LLC, Preferred Member Units2022-12-310001535778Charps, LLC, Preferred Member Units2023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 12023-01-012023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 12022-12-310001535778Clad-Rex Steel, LLC, Secured Debt 12023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 22023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 22023-01-012023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 22022-12-310001535778Clad-Rex Steel, LLC, Secured Debt 32023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 32023-01-012023-06-300001535778Clad-Rex Steel, LLC, Secured Debt 32022-12-310001535778Clad-Rex Steel, LLC, Member Units 12023-01-012023-06-300001535778Clad-Rex Steel, LLC, Member Units 12022-12-310001535778Clad-Rex Steel, LLC, Member Units 12023-06-300001535778Clad-Rex Steel, LLC, Member Units 22023-01-012023-06-300001535778Clad-Rex Steel, LLC, Member Units 22022-12-310001535778Clad-Rex Steel, LLC, Member Units 22023-06-300001535778Cody Pools, Inc., Secured Debt 12023-01-012023-06-300001535778Cody Pools, Inc., Secured Debt 12022-12-310001535778Cody Pools, Inc., Secured Debt 12023-06-300001535778Cody Pools, Inc., Secured Debt 22023-06-300001535778Cody Pools, Inc., Secured Debt 22023-01-012023-06-300001535778Cody Pools, Inc., Secured Debt 22022-12-310001535778Cody Pools, Inc., Secured Debt 32023-06-300001535778Cody Pools, Inc., Secured Debt 32023-01-012023-06-300001535778Cody Pools, Inc., Secured Debt 32022-12-310001535778Cody Pools, Inc., Secured Debt 42023-06-300001535778Cody Pools, Inc., Secured Debt 42023-01-012023-06-300001535778Cody Pools, Inc., Secured Debt 42022-12-310001535778Cody Pools, Inc., Preferred Member Units2023-01-012023-06-300001535778Cody Pools, Inc., Preferred Member Units2022-12-310001535778Cody Pools, Inc., Preferred Member Units2023-06-300001535778Colonial Electric Company LLC, Secured Debt 12023-01-012023-06-300001535778Colonial Electric Company LLC, Secured Debt 12022-12-310001535778Colonial Electric Company LLC, Secured Debt 12023-06-300001535778Colonial Electric Company LLC, Secured Debt 22023-06-300001535778Colonial Electric Company LLC, Secured Debt 22023-01-012023-06-300001535778Colonial Electric Company LLC, Secured Debt 22022-12-310001535778Colonial Electric Company LLC, Preferred Member Units 12023-01-012023-06-300001535778Colonial Electric Company LLC, Preferred Member Units 12022-12-310001535778Colonial Electric Company LLC, Preferred Member Units 12023-06-300001535778Colonial Electric Company LLC, Preferred Member Units 22023-01-012023-06-300001535778Colonial Electric Company LLC, Preferred Member Units 22022-12-310001535778Colonial Electric Company LLC, Preferred Member Units 22023-06-300001535778Datacom, LLC, Secured Debt 12023-06-300001535778Datacom, LLC, Secured Debt 12023-01-012023-06-300001535778Datacom, LLC, Secured Debt 12022-12-310001535778Datacom, LLC, Secured Debt 22023-06-300001535778Datacom, LLC, Secured Debt 22023-01-012023-06-300001535778Datacom, LLC, Secured Debt 22022-12-310001535778Datacom, LLC, Preferred Member Units2023-01-012023-06-300001535778Datacom, LLC, Preferred Member Units2022-12-310001535778Datacom, LLC, Preferred Member Units2023-06-300001535778Digital Products Holdings LLC, Secured Debt2023-06-300001535778Digital Products Holdings LLC, Secured Debt2023-01-012023-06-300001535778Digital Products Holdings LLC, Secured Debt2022-12-310001535778Digital Products Holdings LLC, Preferred Member Units2023-01-012023-06-300001535778Digital Products Holdings LLC, Preferred Member Units2022-12-310001535778Digital Products Holdings LLC, Preferred Member Units2023-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 12023-01-012023-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 12022-12-310001535778Direct Marketing Solutions, Inc., Secured Debt 12023-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 22023-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 22023-01-012023-06-300001535778Direct Marketing Solutions, Inc., Secured Debt 22022-12-310001535778Direct Marketing Solutions, Inc., Preferred Stock2023-01-012023-06-300001535778Direct Marketing Solutions, Inc., Preferred Stock2022-12-310001535778Direct Marketing Solutions, Inc., Preferred Stock2023-06-300001535778Flame King Holdings, LLC, Secured Debt 12023-06-300001535778Flame King Holdings, LLC, Secured Debt 12023-01-012023-06-300001535778Flame King Holdings, LLC, Secured Debt 12022-12-310001535778Flame King Holdings, LLC, Secured Debt 22023-06-300001535778Flame King Holdings, LLC, Secured Debt 22023-01-012023-06-300001535778Flame King Holdings, LLC, Secured Debt 22022-12-310001535778Flame King Holdings, LLC, Preferred Equity2023-01-012023-06-300001535778Flame King Holdings, LLC, Preferred Equity2022-12-310001535778Flame King Holdings, LLC, Preferred Equity2023-06-300001535778Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)2023-01-012023-06-300001535778Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)2022-12-310001535778Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)2023-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 12023-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 12023-01-012023-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 12022-12-310001535778Gamber-Johnson Holdings, LLC, Secured Debt 22023-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 22023-01-012023-06-300001535778Gamber-Johnson Holdings, LLC, Secured Debt 22022-12-310001535778Gamber-Johnson Holdings, LLC, Member Units2023-01-012023-06-300001535778Gamber-Johnson Holdings, LLC, Member Units2022-12-310001535778Gamber-Johnson Holdings, LLC, Member Units2023-06-300001535778GFG Group, LLC, Secured Debt2023-06-300001535778GFG Group, LLC, Secured Debt2023-01-012023-06-300001535778GFG Group, LLC, Secured Debt2022-12-310001535778GFG Group, LLC, Preferred Member Units2023-01-012023-06-300001535778GFG Group, LLC, Preferred Member Units2022-12-310001535778GFG Group, LLC, Preferred Member Units2023-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12023-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12023-01-012023-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 12022-12-310001535778Gulf Publishing Holdings, LLC, Secured Debt 22023-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 22023-01-012023-06-300001535778Gulf Publishing Holdings, LLC, Secured Debt 22022-12-310001535778Gulf Publishing Holdings, LLC, Preferred Equity2023-01-012023-06-300001535778Gulf Publishing Holdings, LLC, Preferred Equity2022-12-310001535778Gulf Publishing Holdings, LLC, Preferred Equity2023-06-300001535778Gulf Publishing Holdings, LLC, Member Units2023-01-012023-06-300001535778Gulf Publishing Holdings, LLC, Member Units2022-12-310001535778Gulf Publishing Holdings, LLC, Member Units2023-06-300001535778HPEP 3, L.P., LP Interests (HPEP 3, L.P.)2023-01-012023-06-300001535778HPEP 3, L.P., LP Interests (HPEP 3, L.P.)2022-12-310001535778HPEP 3, L.P., LP Interests (HPEP 3, L.P.)2023-06-300001535778IG Investor, LLC, Secured Debt 12023-01-012023-06-300001535778IG Investor, LLC, Secured Debt 12022-12-310001535778IG Investor, LLC, Secured Debt 12023-06-300001535778IG Investor, LLC, Secured Debt 22023-06-300001535778IG Investor, LLC, Secured Debt 22023-01-012023-06-300001535778IG Investor, LLC, Secured Debt 22022-12-310001535778IG Investor, LLC, Common Equity2023-01-012023-06-300001535778IG Investor, LLC, Common Equity2022-12-310001535778IG Investor, LLC, Common Equity2023-06-300001535778Independent Pet Partners Intermediate Holdings, LLC, Common Equity2023-01-012023-06-300001535778Independent Pet Partners Intermediate Holdings, LLC, Common Equity2022-12-310001535778Independent Pet Partners Intermediate Holdings, LLC, Common Equity2023-06-300001535778Integral Energy Services, Secured Debt2023-06-300001535778Integral Energy Services, Secured Debt2023-01-012023-06-300001535778Integral Energy Services, Secured Debt2022-12-310001535778Integral Energy Services, Common Stock2023-01-012023-06-300001535778Integral Energy Services, Common Stock2022-12-310001535778Integral Energy Services, Common Stock2023-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 12023-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 12023-01-012023-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 12022-12-310001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 22023-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 22023-01-012023-06-300001535778Kickhaefer Manufacturing Company, LLC, Secured Debt 22022-12-310001535778Kickhaefer Manufacturing Company, LLC, Preferred Equity2023-01-012023-06-300001535778Kickhaefer Manufacturing Company, LLC, Preferred Equity2022-12-310001535778Kickhaefer Manufacturing Company, LLC, Preferred Equity2023-06-300001535778Kickhaefer Manufacturing Company, LLC, Member Units2023-01-012023-06-300001535778Kickhaefer Manufacturing Company, LLC, Member Units2022-12-310001535778Kickhaefer Manufacturing Company, LLC, Member Units2023-06-300001535778Market Force Information, LLC, Secured Debt2023-01-012023-06-300001535778Market Force Information, LLC, Secured Debt2022-12-310001535778Market Force Information, LLC, Secured Debt2023-06-300001535778Market Force Information, LLC, Member Units2023-01-012023-06-300001535778Market Force Information, LLC, Member Units2022-12-310001535778Market Force Information, LLC, Member Units2023-06-300001535778MH Corbin Holding LLC, Secured Debt2023-06-300001535778MH Corbin Holding LLC, Secured Debt2023-01-012023-06-300001535778MH Corbin Holding LLC, Secured Debt2022-12-310001535778MH Corbin Holding LLC, Preferred Member Units 12023-01-012023-06-300001535778MH Corbin Holding LLC, Preferred Member Units 12022-12-310001535778MH Corbin Holding LLC, Preferred Member Units 12023-06-300001535778MH Corbin Holding LLC, Preferred Member Units 22023-01-012023-06-300001535778MH Corbin Holding LLC, Preferred Member Units 22022-12-310001535778MH Corbin Holding LLC, Preferred Member Units 22023-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 12023-01-012023-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 12022-12-310001535778Mystic Logistics Holdings, LLC, Secured Debt 12023-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 22023-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 22023-01-012023-06-300001535778Mystic Logistics Holdings, LLC, Secured Debt 22022-12-310001535778Mystic Logistics Holdings, LLC, Common Stock2023-01-012023-06-300001535778Mystic Logistics Holdings, LLC, Common Stock2022-12-310001535778Mystic Logistics Holdings, LLC, Common Stock2023-06-300001535778NexRev LLC, Secured Debt 12023-01-012023-06-300001535778NexRev LLC, Secured Debt 12022-12-310001535778NexRev LLC, Secured Debt 12023-06-300001535778NexRev LLC, Secured Debt 22023-06-300001535778NexRev LLC, Secured Debt 22023-01-012023-06-300001535778NexRev LLC, Secured Debt 22022-12-310001535778NexRev LLC, Preferred Member Units2023-01-012023-06-300001535778NexRev LLC, Preferred Member Units2022-12-310001535778NexRev LL