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

Sixth Street Specialty Lending has disclosed Net Margin across 4 years of filings, most recently posting 12.4% for Q1 2026.

• Net Margin for Q1 2026 came in at 12.4%, down 909.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 15.73% (down 2432.0% YoY), and the FY2025 annual result was 17.91%, down 2768.0% from the prior year.
• Net Margin came in at 12.4% for Q1 2026 at Sixth Street Specialty Lending, down from 17.5% in the prior quarter.
• In the past five years, Net Margin ranged from a high of 46.55% in Q4 2024 to a low of 12.4% in Q1 2026.
• The 4-year median for Net Margin is 44.46% (2024), against an average of 34.28%.
• Across the five-year window, Net Margin surged 238 bps in 2024 and sank 3032 bps in 2025, its largest moves.
• Sixth Street Specialty Lending's Net Margin stood at 45.75% in 2023, then climbed by 2 bps to 46.55% in 2024, then tumbled by 62 bps to 17.5% in 2025, then dropped by 29 bps to 12.4% in 2026.
• The last three Net Margin figures came in at 12.4% (Q1 2026), 17.5% (Q4 2025), and 17.63% (Q3 2025), per Business Quant data.