Oaktree Specialty Lending Corp (NASDAQ: OCSL) is a Business Development Company (BDC) that provides debt and equity financing to middle-market companies across a range of industries. It makes money primarily through interest income on loans, including cash interest and payment-in-kind (PIK) interest, as well as dividend and fee income from its portfolio investments. As of September 30, 2025, senior secured debt represented 83.11% of the portfolio at cost and 85.88% at fair value, with the remainder spread across subordinated debt, preferred equity, common equity and warrants, and joint venture interests. The portfolio spans sectors including application software (17.64% of cost as of September 30, 2025), multi-sector holdings (7.68%), health care services (5.21%), aerospace and defense (4.26%), and interactive media and services (4.23%), among others. Oaktree Capital Management serves as the external investment adviser. Armen Panossian serves as CEO and Christopher McKown as CFO and Treasurer, per the FY2025 10-K filed November 17, 2025.

Revenue model

Interest income accrued on first lien term loans, second lien term loans, subordinated debt, and revolving credit facilities, predominantly at floating rates indexed to SOFR. Additional income from PIK interest, preferred equity dividends, and equity participation through nominal-cost warrants and common stock received in connection with loan originations.

Products and services

First lien term loans, first lien revolving credit facilities, second lien term loans, subordinated debt, CLO notes, preferred equity, common equity and warrants. Joint venture investments through vehicles including OCSI Glick JV LLC and Senior Loan Fund JV I, LLC, which hold debt and equity interests in portfolio companies.

Customers and end markets

Middle-market portfolio companies across sectors including application software, health care services, pharmaceuticals, aerospace and defense, interactive media and services, health care equipment, life sciences tools and services, diversified support services, specialized finance, and oil and gas storage and transportation. As of September 30, 2025, ten investments were on non-accrual status, representing 6.5% of total debt investments at cost and 3.0% at fair value.

Value-chain role

External-adviser-managed BDC acting as a direct lender and credit investor to middle-market borrowers. Oaktree Capital Management LP serves as the external investment adviser responsible for sourcing, underwriting, and managing portfolio investments.

Geographic exposure

Primarily U.S.-domiciled portfolio companies, with select non-U.S. investments evident from euro-denominated loans (e.g., ACESO Holding 4 S.A.R.L.) as disclosed in the FY2025 10-K.

Source: SEC 10-K, filed 2025-11-18

Industry: UNKNOWN Peers: MidCap Financial Investment Corp AssetMark Financial Holdings, Inc. Barings BDC Inc Blackstone Inc AVANTAX, INC. Virtus Investment Partners Inc New Mountain Finance Corp Ridgepost Capital Inc SLR Investment Corp Sixth Street Specialty Lending Inc