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 |
|---|---|---|---|---|---|
| Danske Bank A/S | 1 | $22 | 0.00% | +1 | New |
| Allworth Financial LP | 20 | $417 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 34 | $761 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 37 | $828 | 0.00% | 00.0% | Unchanged |
| SOA Wealth Advisors, LLC. | 43 | $959 | 0.00% | 00.0% | Unchanged |
| Hager Investment Management Services, LLC | 54 | $1.21K | 0.00% | +1+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 |
| Larson Financial Group LLC | 158 | $3.53K | 0.00% | +3+1.9% | Added |
| Harbour Investments, Inc. | 178 | $3.98K | 0.00% | 00.0% | Unchanged |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 200 | $4.48K | 0.00% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 214 | $4.80K | 0.00% | +5+2.4% | Added |
| Russell Investments Group, Ltd. | 220 | $4.91K | 0.00% | −20−8.3% | Reduced |
| Delta Asset Management LLC | 250 | $5.59K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 260 | $5.82K | 0.00% | +99+61.5% | Added |
| Cullen/Frost Bankers, Inc. | 285 | $6.38K | 0.00% | +285 | New |
| WealthCollab, LLC | 398 | $8.91K | 0.01% | +60+17.8% | Added |
| Quadrant Capital Group LLC | 426 | $9.53K | 0.00% | −89−17.3% | Reduced |
| Blume Capital Management, Inc. | 450 | $10.1K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 467 | $10.5K | 0.00% | −733−61.1% | Reduced |
| Peoples Bank | 500 | $11.2K | 0.01% | +500 | New |
| AllSquare Wealth Management LLC | 500 | $11.2K | 0.01% | 00.0% | Unchanged |
| Private Trust Co NA | 600 | $13.4K | 0.00% | −104−14.8% | Reduced |
| Jones Financial Companies LLLP | 604 | $13.5K | 0.00% | +554+1,108.0% | Added |
| Farther Finance Advisors, LLC | 667 | $15.0K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 700 | $15.7K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 809 | $18.0K | 0.00% | +7+0.9% | Added |
| Greykasell Wealth Strategies, Inc. | 825 | $18.5K | 0.01% | +825 | New |
| Community Bank, N.A. | 1,000 | $22.4K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1,001 | $22.4K | 0.00% | 00.0% | Unchanged |
| First Community Trust NA | 1,040 | $23.3K | 0.02% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 1,061 | $23.7K | 0.00% | 00.0% | Unchanged |
| Beacon Capital Management, LLC | 1,177 | $26.3K | 0.00% | +29+2.5% | Added |
| Ameriflex Group, Inc. | 1,205 | $27.0K | 0.01% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,434 | $32.0K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,672 | $37.4K | 0.00% | −334−16.7% | Reduced |
| Geneos Wealth Management Inc. | 1,746 | $39.1K | 0.00% | +221+14.5% | Added |
| AdvisorNet Financial, Inc | 1,800 | $40.3K | 0.00% | +1,800 | New |
| Trust Co of Vermont | 1,834 | $41.0K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 2,144 | $41.1K | 0.00% | 00.0% | Unchanged |
| BI Asset Management Fondsmaeglerselskab A/S | 1,919 | $43.0K | 0.00% | +40+2.1% | Added |
| Simplex Trading, LLC | 2,258 | $50.0K | 0.00% | +2,258 | New |
| MAI Capital Management | 2,324 | $52.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 2,370 | $53.0K | 0.00% | +68+3.0% | Added |
| Tower Research Capital LLC (TRC) | 2,579 | $57.7K | 0.00% | +1,348+109.5% | Added |
| Rossby Financial, LCC | 2,980 | $62.3K | 0.03% | +2,980 | New |
| Security National Bank | 3,172 | $71.0K | 0.01% | +10.0% | Added |
| Federation des caisses Desjardins du Quebec | 4,000 | $89.5K | 0.00% | +2,000+100.0% | Added |
| Future Financial Wealth Managment LLC | 4,200 | $94.0K | 0.07% | 00.0% | Unchanged |
| Redmont Wealth Advisors LLC | 4,341 | $97.2K | 0.19% | +4,341 | New |
| Boston Private Wealth LLC | 4,787 | $107.1K | 0.00% | +4,787 | New |
| Frazier Financial Advisors, LLC | 4,814 | $107.7K | 0.08% | 00.0% | Unchanged |
| Signaturefd, LLC | 5,103 | $114.2K | 0.00% | +430+9.2% | Added |
| Atlas Capital Advisors LLC | 5,115 | $114.5K | 0.01% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 5,235 | $117.2K | 0.05% | +5,235 | New |
| Vaughan Nelson Investment Management, L.P. | 5,350 | $120.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 5,761 | $128.9K | 0.00% | +470+8.9% | Added |
| EMC Capital Management | 6,747 | $151.0K | 0.09% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 7,341 | $164.3K | 0.00% | 00.0% | Unchanged |
| Register Financial Advisors LLC | 7,647 | $171.2K | 0.09% | +18+0.2% | Added |
| Silver Oak Securities, Inc | 8,126 | $181.5K | 0.02% | +8,126 | New |
| Comerica Bank | 8,255 | $184.7K | 0.00% | −3,196−27.9% | Reduced |
| Buckingham Strategic Partners | 8,976 | $200.9K | 0.00% | +8,976 | New |
| Family Wealth Partners, LLC | 8,977 | $200.9K | 0.09% | +8,977 | New |
| Mirae Asset Global Investments Co., Ltd. | 9,019 | $201.5K | 0.00% | +9,019 | New |
| Virtu Financial LLC | 9,368 | $210.0K | 0.01% | +9,368 | New |
| Stratos Wealth Partners, LTD. | 9,454 | $211.6K | 0.00% | −1,203−11.3% | Reduced |
| Whittier Trust Co of Nevada Inc | 9,575 | $214.2K | 0.01% | 00.0% | Unchanged |
| Robertson Stephens Wealth Management, LLC | 9,700 | $217.1K | 0.01% | 00.0% | Unchanged |
| Whalerock Point Partners, LLC | 10,625 | $237.8K | 0.06% | +10,625 | New |
| Advisory Research Inc | 10,730 | $240.1K | 0.04% | −661−5.8% | Reduced |
| AE Wealth Management LLC | 10,865 | $243.2K | 0.00% | −122−1.1% | Reduced |
| Pasadena Private Wealth, LLC | 11,169 | $250.0K | 0.05% | +11,169 | New |
| Marble Harbor Investment Counsel, LLC | 11,345 | $253.9K | 0.03% | −10,300−47.6% | Reduced |
| Core Wealth Partners LLC | 11,668 | $261.1K | 0.15% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 11,899 | $266.3K | 0.00% | −912−7.1% | Reduced |
| Squarepoint Ops LLC | 12,856 | $287.7K | 0.00% | +12,856 | New |
| Mallini Complete Financial Planning LLC | 13,028 | $291.6K | 0.28% | +558+4.5% | Added |
| Westmount Partners, LLC | 13,030 | $291.6K | 0.09% | 00.0% | Unchanged |
| Principle Wealth Partners LLC | 13,150 | $294.3K | 0.02% | +13,150 | New |
| TrueMark Investments, LLC | 13,535 | $302.9K | 0.08% | −203,620−93.8% | Reduced |
| Eagle Global Advisors LLC | 14,150 | $316.7K | 0.01% | 00.0% | Unchanged |
| Worth Asset Management, LLC | 14,307 | $320.2K | 0.17% | +117+0.8% | Added |
| Magnus Financial Group LLC | 14,406 | $322.4K | 0.03% | +14,406 | New |
| Principal Street Partners, LLC | 15,280 | $342.0K | 0.06% | +925+6.4% | Added |
| Inspirion Wealth Advisors, LLC | 15,426 | $345.2K | 0.05% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 15,600 | $349.0K | 0.00% | +15,600 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 16,161 | $361.7K | 0.00% | +16,161 | New |
| Integrated Wealth Concepts LLC | 16,539 | $370.2K | 0.00% | +4,597+38.5% | Added |
| Romano Brothers and Company | 17,200 | $384.9K | 0.05% | −9,000−34.4% | Reduced |
| Evergreen Capital Management LLC | 17,268 | $386.5K | 0.01% | 00.0% | Unchanged |
| Hamilton Capital Partners Inc. | 17,340 | $388.1K | 0.02% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 18,000 | $402.8K | 0.01% | 00.0% | Unchanged |
| IFG Advisory, LLC | 18,028 | $403.5K | 0.02% | −40−0.2% | Reduced |
| Union Bancaire Privee, UBP SA | 18,384 | $411.4K | 0.01% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 19,266 | $431.2K | 0.00% | −3,067−13.7% | Reduced |
| London & Capital Asset Management Ltd | 19,400 | $434.2K | 0.04% | 00.0% | Unchanged |
| ProShare Advisors LLC | 19,894 | $445.2K | 0.00% | +1,808+10.0% | Added |
| Parallel Advisors, LLC | 20,708 | $463.4K | 0.01% | +848+4.3% | Added |
| Mirador Capital Partners LP | 21,001 | $470.0K | 0.08% | −16,482−44.0% | Reduced |