Report|18 Jun 2026

Sixth Street Specialty Lending, Inc. Surveillance Report

Company Profile

  • Formed in 2010, Sixth Street Specialty Lending, Inc. (NYSE: TSLX) (“the company”) is a publicly traded, non-diversified closed-end externally managed business development company (“BDC”) operating under the Investment Company Act of 1940 and has elected to be treated as a regulated investment company (“RIC”) for tax purposes.
  • The company is externally managed by Sixth Street Specialty Lending Advisers, LLC (“Adviser”), an affiliate of Sixth Street Partners (“Sixth Street”), a global asset manager with $130+ billion of AUM.
  • The company focuses on investing in the core middle market first lien senior secured loans, predominately software, technology, and business services.

Key Credit Considerations

  • The ratings are supported by Sixth Street Specialty Lending, Inc.’s diversified $3.3 billion investment portfolio, which is comprised predominantly of first lien senior secured loans (89.3%), including unitranche, last out.
  • TSLX…
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