Sixth Street Specialty Lending (TSLX) Operating Margin (2024 - 2026)

Sixth Street Specialty Lending has disclosed Operating Margin across 3 years of filings, most recently posting 43.95% for Q1 2026.

• Operating Margin for Q1 2026 came in at 43.95%, down 704.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 46.24% (down 158.0% YoY), and the FY2025 annual result was 47.95%, up 153.0% from the prior year.
• Operating Margin came in at 43.95% for Q1 2026 at Sixth Street Specialty Lending, down from 47.85% in the prior quarter.
• In the past five years, Operating Margin ranged from a high of 50.99% in Q1 2025 to a low of 43.95% in Q1 2026.
• The 3-year median for Operating Margin is 46.66% (2024), against an average of 46.81%.
• Across the five-year window, Operating Margin surged 581 bps in 2025 and sank 704 bps in 2026, its largest moves.
• Sixth Street Specialty Lending's Operating Margin stood at 47.5% in 2024, then increased by 1 bps to 47.85% in 2025, then slipped by 8 bps to 43.95% in 2026.
• The last three Operating Margin figures came in at 43.95% (Q1 2026), 47.85% (Q4 2025), and 47.56% (Q3 2025), per Business Quant data.