MSC Income Fund

What MSC Income Fund does

MSC Income Fund, Inc. (NYSE: MSIF) is a publicly traded, externally-managed Business Development Company (BDC) that provides debt and equity capital to private companies owned by or being acquired by private equity sponsors. The fund operates two complementary strategies: a private loan strategy targeting senior secured debt to middle market companies with $25M-$500M of annual revenue (typically in 'club deal' arrangements), and a lower middle market (LMM) strategy offering customized debt-and-equity one-stop financing to companies with $10M-$150M of revenue alongside management teams and entrepreneurs. As of Q1 2026, the fund held an $843.1 million investment portfolio across 80 portfolio companies spanning IT services, logistics, electric utility, direct marketing, commercial roofing, defense/aviation, and other industrial verticals, with first-lien senior secured loans comprising the dominant instrument type.

The fund is externally managed by MSC Adviser I, LLC, a wholly-owned subsidiary of Main Street Capital Corporation (NYSE: MAIN), a 20-year-old BDC with $9.2 billion in AUM. This affiliation is the core operational backbone — Main Street provides investment origination, underwriting, portfolio management, co-investment capital, and administration, while MSIF typically co-invests alongside Main Street in each transaction. The fund completed its NYSE listing in January 2025 and issued $150 million of BBB- rated senior unsecured notes in March 2026 at 6.34% to expand its debt-funded origination capacity.

MSC Income Fund generates revenue primarily through interest income on its private debt investments, supplemented by dividend income from equity and warrant holdings, transaction fees (origination, commitment), and realized capital gains from portfolio exits. As a regulated investment company (RIC), it must distribute at least 90% of taxable income to shareholders. The fund declared quarterly dividends of $0.35 per share plus supplemental dividends through Q2 2026 and transitioned to monthly dividend payments beginning July 2026 to broaden retail appeal. Q1 2026 generated $34.1 million in total investment income and $16.2 million of net investment income ($0.35/share), with NAV per share of $15.87.

Name

MSC Income Fund

Legal name

MSC Income Fund, Inc.

Website

https://mscincomefund.com

Company type

Public

Founded year

2021

Operating status

Operating

Headcount range

11–50 employees

Short description

MSC Income Fund (NYSE: MSIF) is a publicly traded Business Development Company that provides senior secured debt and equity capital to private equity-backed middle market and lower middle market companies, externally managed by a subsidiary of Main Street Capital Corporation and operating an $843M portfolio across 80 companies.

Ownership category

akta.pro rank

Product category

Business Development Company (Private Debt / Middle Market Lending)

NAICS

Other Investment Pools and Funds (5259)

SIC

Miscellaneous Business Credit Institution (6159)

akta.pro primary industry

BDC / Public Vehicle Venture Debt Providers (FSANAIAC)

Keywords

• Private debt lending
• Business development company
• Middle market lending
• Private credit investments
• Lower middle market finance

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Others

Revenue model

1. Interest Income from Debt Investments: The fund generates the majority of its income from interest payments on its private loan and lower middle market debt investments. These are secured debt instruments with floating or fixed interest rates, typically first lien senior secured term loans to private companies.
2. Dividend Income from Equity Investments: The fund receives dividend income from its equity and equity-related investments in portfolio companies, including warrants, convertible securities, and direct equity stakes in lower middle market companies.
3. Fee Income: The fund generates fee income from investment transactions, including origination fees, commitment fees, and other transaction-related fees associated with its lending and investment activities.
4. Realized Gains from Portfolio Exits: The fund realizes capital gains from the exit of equity investments, such as the $11.6 million gain realized from the Centre Technologies exit and $6.0 million gain from the Mystic Logistics exit.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

MSC Income Fund is a publicly traded Business Development Company (BDC) that primarily provides secured debt capital (first lien senior secured term loans) to private companies owned by or being acquired by private equity funds. The fund operates two strategies: a Private Loan strategy targeting middle market companies with $25M-$500M in annual revenues, and a Lower Middle Market (LMM) strategy providing customized debt and equity investments to companies with $10M-$150M in annual revenues.

Product overview

MSC Income Fund is a Business Development Company (BDC) externally managed by MSC Adviser I, LLC, a wholly-owned subsidiary of Main Street Capital Corporation. The fund operates primarily as a principal investment firm providing debt capital to private companies owned by or in the process of being acquired by private equity funds. The fund executes two main investment strategies: (1) a Private Loan investment strategy focused on providing secured debt investments to companies with annual revenues between $25 million and $500 million, and (2) a Lower Middle Market (LMM) investment portfolio providing customized long-term debt and equity investments to companies with annual revenues between $10 million and $150 million. The fund's private loan investments primarily consist of debt securities originated directly by the investment adviser or through strategic relationships in 'club deal' arrangements. As a RIC (Regulated Investment Company), the fund distributes at least 90% of its taxable income to shareholders. The fund's common stock trades on the NYSE under the ticker symbol MSIF.

Differentiator

Problem solved

Functional benefit

Products and services

• Private Loan Investment Strategy Origination of secured first lien senior secured term loans and other secured debt investments to private equity-backed middle market companies with $25M-$500M in annual revenues. Investments are made directly or through strategic club-deal relationships with other investment funds, with co-investment from Main Street Capital.
• Lower Middle Market (LMM) Investment Portfolio Customized one-stop long-term debt and equity financing solutions provided to lower middle market private operating companies generally with $10M-$150M in annual revenues. Investments may include first lien debt, mezzanine, and direct equity, partnering with entrepreneurs, business owners, and management teams.
• Common Stock (NYSE: MSIF) Publicly traded common equity of MSC Income Fund, Inc. (CUSIP 55374X 208) available for purchase through brokerage accounts on the NYSE, providing investors access to the fund's private loan investment strategy and quarterly/monthly dividend distributions.
• Dividend Reinvestment Plan (DRIP) Plan administered by SS&C Global Investor and Distribution Solutions enabling registered stockholders to automatically reinvest cash dividends into additional shares of MSC Income Fund common stock.
• Senior Unsecured Notes (Private Offering) Institutional debt security issued by MSC Income Fund, including a $150M unsecured note with a 6.34% fixed interest rate payable semiannually and maturity on May 31, 2029. Notes may be redeemed at the company's option at par plus accrued interest.

Quantifiable outcome

• 40.1% internal rate of return and 8.8x money invested on Centre Technologies equity investment
• +3 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Six partnerships are on record, tiered portfolio, core and supporting.

• Nello Industries InvestcoportfolioStrategic or Co-development Partner · 3 March 2026Existing portfolio company receiving $9.2 million follow-on investment to support strategic acquisition. Investment structured as first lien senior secured term loan. MSC Income Fund co-invested alongside Main Street Capital in this transaction.
• Gamber-Johnson HoldingsportfolioStrategic or Co-development Partner · 3 March 2026Existing portfolio company receiving $4.4 million follow-on investment to enhance law enforcement market presence through weapons-retention solutions acquisition. Investment structured as first lien senior secured term loan with co-investor Main Street Capital.
• Revolution (RFG AcquireCo)portfolioStrategic or Co-development Partner · 3 March 2026Existing portfolio company receiving $7.5 million follow-on investment to broaden geospatial service offerings. Investment structured as first lien senior secured term loan alongside Main Street Capital.
• Kroll Bond Rating AgencycoreOthersKroll Bond Rating Agency assigned a BBB- investment grade rating to MSC Income Fund's $150 million senior unsecured notes due 2029. The rating assessment considered portfolio diversification, investment strategy shift, and liquidity profile.
• SS&C Global Investor and Distribution SolutionssupportingOthersSS&C serves as the transfer agent and registrar for MSC Income Fund, managing shareholder records, dividend payments, direct deposit information, and processing address changes. Contact: 800-234-0556.
• Dennard Lascar Investor RelationssupportingOthersInvestor relations firm representing MSC Income Fund, providing investor relations services. Contacts include Ken Dennard ([email protected]) and Zach Vaughan ([email protected]), reachable at 713-529-6600.

Scale indicators13 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• New Mountain Finance Corporation: Externally managed BDC providing senior secured loans to defensive middle-market companies. Overlaps with MSIF in deal sizing, sponsor relationships, and risk profile.
• Main Street Capital Corporation: Parent/sister BDC and external adviser to MSIF via MSC Adviser I, LLC. Operates the same lower-middle-market and private loan strategies that MSIF executes, with a 20-year track record and $9.2B AUM; effectively the closest comp and the platform on which MSIF runs.
• Sixth Street Specialty Lending: Externally managed BDC providing senior secured loans to middle-market PE-sponsored companies. Comparable to MSIF's $25M–$500M revenue focus, club deal participation, and current-income orientation.
• Oaktree Specialty Lending: Public BDC managed by Oaktree Capital providing senior secured loans to mid-market companies. Similar sponsor-driven, current-income model and similar end market to MSIF's private loan portfolio.
• Saratoga Investment Corp: Externally managed BDC with a leveraged loan focus plus a small equity/structured component — very similar dual-strategy profile to MSIF's private loan + LMM approach. Targets lower and middle market companies.
• Golub Capital BDC: Public BDC focused on one-stop senior secured loans to PE-backed middle-market companies. Highly comparable to MSIF's private loan strategy in target borrower profile, sponsor relationships, and underwriting approach.
• BlackRock TCP Capital Corp: Public BDC providing senior secured loans to middle-market borrowers. Comparable structure, target company profile, and externally managed platform alignment with MSIF.

Emerging players

• Hercules Capital: Public specialty BDC focused on senior secured venture debt to tech/growth companies. Adjacent to MSIF's LMM strategy but skewed to venture-stage borrowers rather than PE-sponsored lower middle market.
• Capitala Finance Corp: Smaller publicly traded BDC with a lower-middle-market debt and selective equity focus. Closely matches MSIF's LMM strategy in target borrower size and equity co-investment approach.

Broad incumbents

• Ares Capital Corporation: Largest publicly traded BDC with a broadly diversified middle-market direct lending and growth finance franchise. Direct overlap with MSC Income Fund's private loan strategy serving PE-backed borrowers in the $25M–$500M revenue range.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds2 records

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments6 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about MSC Income Fund