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, Q2 2026
Institutional positions in Sixth Street Specialty Lending, Inc. as of Jun 30, 2026. 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
- 242
- −15 vs. Q1 2026
- Shares held
- 52.2M
- +203.2K (+0.4%) vs. Q1 2026
- Total value
- $896.5M
- −$57.3M (−6.0%) vs. Q1 2026
- New holders
- 23
- 87 more added
- Sold out
- 38
- 81 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Aquatic Capital Management LLC | 1,747 | $30.0K | 0.00% | −12,534−87.8% | Reduced |
| Geneos Wealth Management Inc. | 1,525 | $26.2K | 0.00% | 00.0% | Unchanged |
| Custom Index Systems, LLC | 1,488 | $25.5K | 0.01% | +1,488 | New |
| Triumph Capital Management | 1,110 | $19.1K | 0.00% | +1,010+1,010.0% | Added |
| First Community Trust NA | 1,040 | $17.9K | 0.01% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 1,000 | $17.2K | 0.00% | 00.0% | Unchanged |
| Community Bank, N.A. | 1,000 | $17.2K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 900 | $15.5K | 0.00% | +900 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 728 | $12.0K | 0.00% | −1,274−63.6% | Reduced |
| Hilltop National Bank | 684 | $11.7K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 652 | $11.2K | 0.00% | −2,864−81.5% | Reduced |
| International Assets Investment Management, LLC | 644 | $11.2K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 600 | $10.3K | 0.00% | −300−33.3% | Reduced |
| Private Trust Co NA | 600 | $10.3K | 0.00% | 00.0% | Unchanged |
| Westside Investment Management, Inc. | 572 | $9.82K | 0.00% | 00.0% | Unchanged |
| Valley National Advisers Inc | 500 | $8.59K | 0.00% | 00.0% | Unchanged |
| Action Point Financial Planning, LLC | 477 | $8.19K | 0.00% | +477 | New |
| Blume Capital Management, Inc. | 450 | $7.73K | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 400 | $6.87K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 397 | $6.82K | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 360 | $6.18K | 0.00% | +7+2.0% | Added |
| Harbor Investment Advisory, LLC | 241 | $4.13K | 0.00% | −1,497−86.1% | Reduced |
| Delta Asset Management LLC | 210 | $3.61K | 0.00% | −40−16.0% | Reduced |
| Buck Wealth Strategies, LLC | 166 | $2.85K | 0.00% | +166 | New |
| Umb Bank N A | 158 | $2.71K | 0.00% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 120 | $2.06K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 100 | $2.00K | 0.00% | +100 | New |
| Brown Brothers Harriman & Co | 100 | $1.72K | 0.00% | 00.0% | Unchanged |
| Advantage Trust Co | 100 | $1.72K | 0.00% | 00.0% | Unchanged |
| Glen Eagle Advisors, LLC | 100 | $1.72K | 0.00% | 00.0% | Unchanged |
| Provenance Wealth Advisors, LLC | 100 | $1.72K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 69 | $1.19K | 0.00% | +69 | New |
| Hager Investment Management Services, LLC | 58 | $994 | 0.00% | +1+1.8% | Added |
| SJS Investment Consulting Inc. | 46 | $792 | 0.00% | +1+2.2% | Added |
| Fifth Third Bancorp | 25 | $429 | 0.00% | −3,419−99.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 15 | $258 | 0.00% | −1,856−99.2% | Reduced |
| Allworth Financial LP | 14 | $241 | 0.00% | −224−94.1% | Reduced |
| National Bank of Canada | 3 | $51 | 0.00% | −2−40.0% | Reduced |
| Smartleaf Asset Management LLC | 3 | $51 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $17 | 0.00% | −1,000−99.9% | Reduced |
| Danske Bank A/S | 1 | $17 | 0.00% | 00.0% | Unchanged |
| Union Bancaire Privee, UBP SA | 3,482 | – | – | 00.0% | Unchanged |
| Columbus Macro, LLC | 0 | $0 | 0.00% | −549,170−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −246,378−100.0% | Sold out |
| First National Trust Co | 0 | $0 | 0.00% | −137,667−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −115,291−100.0% | Sold out |
| Lansforsakringar Fondforvaltning AB (publ) | 0 | $0 | 0.00% | −84,040−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −60,723−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −47,508−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −45,828−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −41,995−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −39,858−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −37,598−100.0% | Sold out |
| Barnett & Company, Inc. | 0 | $0 | 0.00% | −27,850−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −24,658−100.0% | Sold out |
| Klein Pavlis & Peasley Financial, Inc. | 0 | $0 | 0.00% | −24,325−100.0% | Sold out |
| London & Capital Asset Management Ltd | 0 | $0 | 0.00% | −23,130−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −22,068−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −20,884−100.0% | Sold out |
| Silver Oak Securities, Inc | 0 | $0 | 0.00% | −20,521−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −16,059−100.0% | Sold out |
| Kavar Capital Partners Group, LLC | 0 | $0 | 0.00% | −15,632−100.0% | Sold out |
| Calton & Associates, Inc. | 0 | $0 | 0.00% | −13,193−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −12,027−100.0% | Sold out |
| Investor's Fiduciary Advisor Network, LLC | 0 | $0 | 0.00% | −10,898−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −10,728−100.0% | Sold out |
| Worth Asset Management, LLC | 0 | $0 | 0.00% | −10,581−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −7,341−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −7,217−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −5,235−100.0% | Sold out |
| Atlas Capital Advisors LLC | 0 | $0 | 0.00% | −5,115−100.0% | Sold out |
| Wall Street Access Asset Management, LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Titiun Yejiel | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −2,926−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −2,773−100.0% | Sold out |
| Innovative Asset Advisors Group, LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Basso Capital Management, L.P. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −129−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| PMV Capital Advisers, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| First Affirmative Financial Network | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |