Sixth Street Specialty Lending, Inc. is a business development company (BDC) that provides financing solutions to U.S.-domiciled middle-market companies. The company's investment objective is to generate current income and capital appreciation through direct originations of senior secured loans (including first-lien, second-lien, and unitranche loans), as well as mezzanine loans, unsecured debt, and equity co-investments. The portfolio is highly defensive, with the vast majority of its debt investments bearing floating interest rates and structured as first-lien loans. Sixth Street Specialty Lending targets companies with enterprise values between $50 million and $1 billion, typically investing $15 million to $350 million per transaction. The company's investments span a diverse range of industries, including business services, software and technology, healthcare, and consumer products. Externally managed by Sixth Street Specialty Lending Advisers, LLC, an affiliate of the global investment firm Sixth Street, the company leverages its sponsor's extensive origination network, underwriting expertise, and capital base to source and structure complex middle-market credit investments.