Sixth Street Specialty Lending (TSLX) Invested Capital (2020 - 2026)

Sixth Street Specialty Lending has disclosed Invested Capital across 7 years of filings, most recently posting $3.4 billion for Q1 2026.

• Invested Capital for Q1 2026 came in at $3.4 billion, down 3.45% year-over-year; the trailing twelve-month figure through Mar 2026 was $3.4 billion (down 3.45% YoY), and the FY2025 annual result was $135.5 million, down 96.14% from the prior year.
• Invested Capital came in at $3.4 billion for Q1 2026 at Sixth Street Specialty Lending, up from $135.5 million in the prior quarter.
• In the past five years, Invested Capital ranged from a high of $3.5 billion in Q4 2024 to a low of $135.5 million in Q4 2025.
• The 5-year median for Invested Capital is $3.3 billion (2024), against an average of $2.8 billion.
• Across the five-year window, Invested Capital jumped 148.3% in 2023 and plunged 96.14% in 2025, its largest moves.
• Sixth Street Specialty Lending's Invested Capital stood at $2.9 billion in 2022, then gained by 16.62% to $3.3 billion in 2023, then advanced by 5.25% to $3.5 billion in 2024, then slumped by 96.14% to $135.5 million in 2025, then jumped by 2386.92% to $3.4 billion in 2026.
• The last three Invested Capital figures came in at $3.4 billion (Q1 2026), $135.5 million (Q4 2025), and $3.5 billion (Q3 2025), per Business Quant data.