Sixth Street Specialty Lending (TSLX) Non Operating Investment Income (2021 - 2026)

Sixth Street Specialty Lending has disclosed Non Operating Investment Income across 6 years of filings, most recently posting -$34.9 million for Q1 2026.

• Non Operating Investment Income for Q1 2026 came in at -$34.9 million, down 222.87% year-over-year; the trailing twelve-month figure through Mar 2026 was $27.5 million (up 166.27% YoY), and the FY2025 annual result was $44.8 million, up 184.81% from the prior year.
• Non Operating Investment Income came in at -$34.9 million for Q1 2026 at Sixth Street Specialty Lending, down from -$8.3 million in the prior quarter.
• In the past five years, Non Operating Investment Income ranged from a high of $73.8 million in Q2 2025 to a low of -$56.7 million in Q2 2022.
• The 5-year median for Non Operating Investment Income is -$2.9 million (2023), against an average of -$4.3 million.
• Across the five-year window, Non Operating Investment Income soared 4664.84% in 2023 and plunged 15789.47% in 2025, its largest moves.
• Sixth Street Specialty Lending's Non Operating Investment Income stood at -$91000.0 in 2022, then jumped by 4664.84% to $4.2 million in 2023, then sank by 839.67% to -$30.7 million in 2024, then surged by 72.97% to -$8.3 million in 2025, then plunged by 320.58% to -$34.9 million in 2026.
• The last three Non Operating Investment Income figures came in at -$34.9 million (Q1 2026), -$8.3 million (Q4 2025), and -$3.0 million (Q3 2025), per Business Quant data.