Gladstone Investment Corp (NASDAQ: GAIN) is a business development company (BDC) that provides debt and equity capital to lower middle market businesses across the United States. It makes money primarily through interest income on secured debt investments, supplemented by dividend and success fee income from equity positions. For the fiscal year ended March 31, 2026, total investment income was $99.1 million, of which interest income accounted for $89.7 million (90.6%) and dividend and success fee income contributed $9.3 million. The portfolio spans sectors including aerospace and defense, healthcare, education, manufacturing, consumer products, and services. GAIN is externally managed by Gladstone Management Corporation, which charges base management, loan servicing, and incentive fees. The company intends to distribute up to 100% of its Investment Company Taxable Income to stockholders as monthly cash distributions, consistent with its RIC tax status.

Revenue model

Interest income on secured first lien debt investments (floating rate, SOFR-based) plus dividend and success fee income from preferred and common equity positions. Externally managed structure means operating expenses include base management fees, loan servicing fees, and incentive fees paid to Gladstone Management Corporation.

Products and services

Secured first lien term debt, lines of credit, preferred equity, and common equity investments in lower middle market companies. Portfolio investments include SOFR-based floating rate loans with maturities ranging from 2026 through 2030, across sectors such as aerospace and defense, buildings and real estate, chemicals, healthcare, consumer products, and diversified manufacturing and services.

Customers and end markets

Lower middle market private companies across diversified U.S. sectors including aerospace and defense, healthcare and education, diversified manufacturing, consumer products, leisure and entertainment, oil and gas, telecommunications, and real estate.

Value-chain role

Direct lender and equity co-investor to lower middle market businesses. Operates as an externally managed BDC regulated under the Investment Company Act of 1940, with Gladstone Management Corporation serving as investment adviser and loan servicer.

Geographic exposure

United States. No geographic breakdown by region is disclosed in the filing excerpts.

Source: SEC 10-K, filed 2026-05-12

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