New Mountain Finance Corporation (Nasdaq: NMFC) is a business development company that functions as a private equity and loan fund, dedicated to directly investing in and providing capital to middle-market enterprises. The firm prioritizes companies operating in defensive growth industries, with a particular emphasis on buyout opportunities. Its investment portfolio includes a range of debt instruments across the capital stack, such as first and second lien debt, unsecured notes, and mezzanine securities, and may also involve equity interests in certain cases.