Sixth Street Specialty Lending, Inc.
TSLX- Exchange
- NYSE
- SEC CIK
- 0001508655
No open-market purchases or sales by Sixth Street Specialty Lending, Inc. insiders were filed in the last 90 days; 242 institutions reported holding it in 13F filings for Q2 2026, worth $896.5M in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Sixth Street Specialty Lending, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 236
- +15 vs. Q4 2024
- Shares held
- 47.7M
- +2.49M (+5.5%) vs. Q4 2024
- Total value
- $1.07B
- +$104.4M (+10.8%) vs. Q4 2024
- New holders
- 34
- 90 more added
- Sold out
- 19
- 57 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting TSLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 242 | $896.5M |
| Q1 2026 | 260 | $955.4M |
| Q4 2025 | 258 | $1.09B |
| Q3 2025 | 247 | $1.11B |
| Q2 2025 | 245 | $1.16B |
| Q1 2025 | 236 | $1.07B |
| Q4 2024 | 223 | $963.5M |
| Q3 2024 | 202 | $904.9M |
| Q2 2024 | 224 | $962.2M |
| Q1 2024 | 220 | $936.0M |
| Q4 2023 | 223 | $889.5M |
| Q3 2023 | 205 | $806.6M |
| Q2 2023 | 202 | $705.0M |
| Q1 2023 | 195 | $621.2M |
| Q4 2022 | 196 | $643.2M |
| Q3 2022 | 175 | $601.1M |
| Q2 2022 | 180 | $655.5M |
| Q1 2022 | 171 | $825.9M |
| Q4 2021 | 168 | $855.4M |
| Q3 2021 | 159 | $813.5M |
| Q2 2021 | 158 | $808.3M |
| Q1 2021 | 159 | $758.6M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| GWM Advisors LLC | 1,672 | $37.4K | 0.00% | −334−16.7% | Reduced |
| Acadian Asset Management LLC | 1,434 | $32.0K | 0.00% | 00.0% | Unchanged |
| Ameriflex Group, Inc. | 1,205 | $27.0K | 0.01% | 00.0% | Unchanged |
| Beacon Capital Management, LLC | 1,177 | $26.3K | 0.00% | +29+2.5% | Added |
| EverSource Wealth Advisors, LLC | 1,061 | $23.7K | 0.00% | 00.0% | Unchanged |
| First Community Trust NA | 1,040 | $23.3K | 0.02% | 00.0% | Unchanged |
| Huntington National Bank | 1,001 | $22.4K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,000 | $22.4K | 0.00% | 00.0% | Unchanged |
| Greykasell Wealth Strategies, Inc. | 825 | $18.5K | 0.01% | +825 | New |
| CWM, LLC | 809 | $18.0K | 0.00% | +7+0.9% | Added |
| Bartlett & Co. Wealth Management LLC | 700 | $15.7K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 667 | $15.0K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 604 | $13.5K | 0.00% | +554+1,108.0% | Added |
| Private Trust Co NA | 600 | $13.4K | 0.00% | −104−14.8% | Reduced |
| AllSquare Wealth Management LLC | 500 | $11.2K | 0.01% | 00.0% | Unchanged |
| Peoples Bank | 500 | $11.2K | 0.01% | +500 | New |
| Northwestern Mutual Wealth Management Co | 467 | $10.5K | 0.00% | −733−61.1% | Reduced |
| Blume Capital Management, Inc. | 450 | $10.1K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 426 | $9.53K | 0.00% | −89−17.3% | Reduced |
| WealthCollab, LLC | 398 | $8.91K | 0.01% | +60+17.8% | Added |
| Cullen/Frost Bankers, Inc. | 285 | $6.38K | 0.00% | +285 | New |
| Lindbrook Capital, LLC | 260 | $5.82K | 0.00% | +99+61.5% | Added |
| Delta Asset Management LLC | 250 | $5.59K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 220 | $4.91K | 0.00% | −20−8.3% | Reduced |
| Harbor Investment Advisory, LLC | 214 | $4.80K | 0.00% | +5+2.4% | Added |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 200 | $4.48K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 178 | $3.98K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 158 | $3.53K | 0.00% | +3+1.9% | Added |
| Glen Eagle Advisors, LLC | 100 | $2.24K | 0.00% | 00.0% | Unchanged |
| Provenance Wealth Advisors, LLC | 100 | $2.24K | 0.00% | 00.0% | Unchanged |
| Hager Investment Management Services, LLC | 54 | $1.21K | 0.00% | +1+1.9% | Added |
| SOA Wealth Advisors, LLC. | 43 | $959 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 37 | $828 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 34 | $761 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 20 | $417 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 1 | $22 | 0.00% | +1 | New |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −39,563−100.0% | Sold out |
| Stratos Wealth Advisors, LLC | 0 | $0 | 0.00% | −25,567−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −25,218−100.0% | Sold out |
| Grimes & Company, Inc. | 0 | $0 | 0.00% | −23,394−100.0% | Sold out |
| Country Club Bank | 0 | $0 | 0.00% | −22,851−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −18,394−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −17,632−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −15,680−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −12,356−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −11,033−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −10,693−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −1,726−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,521−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −642−100.0% | Sold out |
| Synergy Financial Management, LLC | 0 | $0 | 0.00% | −594−100.0% | Sold out |
| Transce3nd, LLC | 0 | $0 | 0.00% | −485−100.0% | Sold out |
| Caitlin John, LLC | 0 | $0 | 0.00% | −178−100.0% | Sold out |
| Birchbrook, Inc. | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| HBC Financial Services, PLLC | – | – | – | – | Not filed |