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Growth Metrics

Sixth Street Specialty Lending (TSLX) Investment Income (2023 - 2026)

Sixth Street Specialty Lending's Investment Income history spans 3 years, with the latest figure at -$20.5 million for Q4 2025.

  • On a quarterly basis, Investment Income fell 211.46% to -$20.5 million in Q4 2025 year-over-year; TTM through Dec 2025 was -$39.5 million, a 18.02% decrease, with the full-year FY2025 number at -$39.5 million, down 18.02% from a year prior.
  • Investment Income hit -$20.5 million in Q4 2025 for Sixth Street Specialty Lending, down from -$6.1 million in the prior quarter.
  • Over the last five years, Investment Income for TSLX hit a ceiling of $14.8 million in Q3 2023 and a floor of -$21.0 million in Q1 2025.
  • Historically, Investment Income has averaged -$3.9 million across 3 years, with a median of -$5.5 million in 2024.
  • The widest YoY moves for Investment Income: up 205.44% in 2025, down 334.0% in 2025.
  • Tracing TSLX's Investment Income over 3 years: stood at -$3.5 million in 2023, then plummeted by 87.17% to -$6.6 million in 2024, then plummeted by 211.46% to -$20.5 million in 2025.
  • Business Quant data shows Investment Income for TSLX at -$20.5 million in Q4 2025, -$6.1 million in Q3 2025, and $8.2 million in Q2 2025.