KPIs & Operating Metrics(New)
Growth Metrics

Sixth Street Specialty Lending (TSLX) Net Margin (2023 - 2026)

Sixth Street Specialty Lending's Net Margin history spans 3 years, with the latest figure at 17.5% for Q4 2025.

  • On a quarterly basis, Net Margin fell 2905.0% to 17.5% in Q4 2025 year-over-year; TTM through Dec 2025 was 17.91%, a 2768.0% decrease, with the full-year FY2025 number at 17.91%, down 2768.0% from a year prior.
  • Net Margin hit 17.5% in Q4 2025 for Sixth Street Specialty Lending, down from 17.63% in the prior quarter.
  • Over the last five years, Net Margin for TSLX hit a ceiling of 46.55% in Q4 2024 and a floor of 14.95% in Q2 2025.
  • Historically, Net Margin has averaged 36.1% across 3 years, with a median of 44.47% in 2023.
  • Biggest five-year swings in Net Margin: skyrocketed 238bps in 2024 and later crashed -3032bps in 2025.
  • Tracing TSLX's Net Margin over 3 years: stood at 45.75% in 2023, then grew by 2bps to 46.55% in 2024, then crashed by -62bps to 17.5% in 2025.
  • Business Quant data shows Net Margin for TSLX at 17.5% in Q4 2025, 17.63% in Q3 2025, and 14.95% in Q2 2025.