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 2025
Institutional positions in Sixth Street Specialty Lending, Inc. as of Jun 30, 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
- 245
- +10 vs. Q1 2025
- Shares held
- 48.9M
- +1.17M (+2.5%) vs. Q1 2025
- Total value
- $1.16B
- +$95.9M (+9.0%) vs. Q1 2025
- New holders
- 31
- 98 more added
- Sold out
- 21
- 65 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Steward Partners Investment Advisory, LLC | 19,502 | $464.3K | 0.00% | +236+1.2% | Added |
| Silver Oak Securities, Inc | 19,955 | $475.1K | 0.04% | +11,829+145.6% | Added |
| Delphi Financial Group, Inc. | 20,041 | $477.2K | 0.34% | −25,065−55.6% | Reduced |
| IFG Advisory, LLC | 20,608 | $490.7K | 0.02% | +2,580+14.3% | Added |
| Private Advisor Group, LLC | 21,868 | $520.7K | 0.00% | +298+1.4% | Added |
| Mirador Capital Partners LP | 21,920 | $521.9K | 0.08% | +919+4.4% | Added |
| Chicago Partners Investment Group LLC | 22,864 | $560.2K | 0.02% | +300+1.3% | Added |
| Sanctuary Advisors, LLC | 23,535 | $560.4K | 0.00% | −134−0.6% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 24,084 | $573.4K | 0.05% | +1,038+4.5% | Added |
| D. E. Shaw & Co., Inc. | 24,606 | $585.9K | 0.00% | +24,606 | New |
| Merrion Investment Management Co, LLC | 25,000 | $595.3K | 0.39% | 00.0% | Unchanged |
| US Bancorp | 25,113 | $597.9K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 25,122 | $598.2K | 0.04% | +25,122 | New |
| Natixis | 25,249 | $601.2K | 0.00% | 00.0% | Unchanged |
| Romano Brothers and Company | 25,200 | $601.3K | 0.07% | +8,000+46.5% | Added |
| Northeast Financial Consultants Inc | 26,000 | $619.1K | 0.03% | 00.0% | Unchanged |
| Sage Investment Counsel LLC | 26,277 | $625.7K | 0.73% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 26,971 | $642.2K | 0.01% | +1,481+5.8% | Added |
| Platform Technology Partners | 27,945 | $665.4K | 0.17% | −1,440−4.9% | Reduced |
| Sargent Investment Group, LLC | 28,400 | $681.6K | 0.09% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 29,302 | $697.7K | 0.24% | −10,656−26.7% | Reduced |
| Ethos Financial Group, LLC | 29,811 | $709.8K | 0.06% | −10,580−26.2% | Reduced |
| Ellsworth Advisors, LLC | 29,815 | $709.9K | 0.17% | +29,815 | New |
| Bouchey Financial Group Ltd | 30,252 | $720.3K | 0.06% | 00.0% | Unchanged |
| Invesco Ltd. | 30,628 | $729.3K | 0.00% | +2,263+8.0% | Added |
| Bryn Mawr Trust Co | 31,070 | $739.8K | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 32,266 | $768.0K | 0.00% | −19,821−38.1% | Reduced |
| Bramshill Investments, LLC | 32,652 | $777.4K | 0.08% | −29,512−47.5% | Reduced |
| Diversify Advisory Services, LLC | 32,519 | $787.0K | 0.03% | +32,519 | New |
| Savvy Advisors, Inc. | 35,138 | $836.6K | 0.06% | +4,825+15.9% | Added |
| Texas Yale Capital Corp. | 35,500 | $845.3K | 0.03% | +500+1.4% | Added |
| Nations Financial Group Inc, | 35,508 | $845.4K | 0.06% | −879−2.4% | Reduced |
| Barnett & Company, Inc. | 36,750 | $875.0K | 0.69% | +6,700+22.3% | Added |
| Mariner, LLC | 38,629 | $919.8K | 0.00% | +4,491+13.2% | Added |
| Creative Planning | 38,717 | $921.9K | 0.00% | −1,419−3.5% | Reduced |
| Brown Advisory Inc | 38,999 | $928.6K | 0.00% | −6,869−15.0% | Reduced |
| Kestra Advisory Services, LLC | 39,024 | $929.2K | 0.00% | −8,348−17.6% | Reduced |
| Dakota Wealth Management | 39,220 | $933.8K | 0.02% | +2,995+8.3% | Added |
| Evoke Wealth, LLC | 39,859 | $949.0K | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 40,339 | $960.8K | 0.00% | −2,086−4.9% | Reduced |
| Essex Financial Services, Inc. | 41,047 | $977.3K | 0.06% | +1,795+4.6% | Added |
| Foundations Investment Advisors, LLC | 42,122 | $1.00M | 0.02% | +42,122 | New |
| Captrust Financial Advisors | 44,425 | $1.06M | 0.00% | −19,960−31.0% | Reduced |
| Cornerstone Wealth Management, LLC | 46,666 | $1.11M | 0.07% | −66−0.1% | Reduced |
| Canton Hathaway, LLC | 47,430 | $1.13M | 0.23% | −800−1.7% | Reduced |
| HighTower Advisors, LLC | 47,667 | $1.13M | 0.00% | +4,216+9.7% | Added |
| Pallas Capital Advisors LLC | 48,778 | $1.16M | 0.04% | −5,205−9.6% | Reduced |
| Riverbridge Partners LLC | 48,835 | $1.16M | 0.02% | +1,592+3.4% | Added |
| Beacon Pointe Advisors, LLC | 49,612 | $1.18M | 0.01% | +18,309+58.5% | Added |
| Qube Research & Technologies Ltd | 50,774 | $1.21M | 0.00% | −168,294−76.8% | Reduced |
| Plan Group Financial, LLC | 51,428 | $1.22M | 0.40% | +12,505+32.1% | Added |
| XTX Topco Ltd | 51,926 | $1.24M | 0.05% | +51,926 | New |
| Jane Street Group, LLC | 52,974 | $1.26M | 0.00% | +52,974 | New |
| Lido Advisors, LLC | 52,996 | $1.26M | 0.01% | −16,050−23.2% | Reduced |
| Toroso Investments, LLC | 53,219 | $1.27M | 0.01% | +1,168+2.2% | Added |
| CI Private Wealth, LLC | 56,581 | $1.35M | 0.00% | +16,414+40.9% | Added |
| Independent Financial Group, LLC | 57,895 | $1.38M | 0.04% | +474+0.8% | Added |
| Quantinno Capital Management LP | 58,035 | $1.38M | 0.01% | +58,035 | New |
| Legacy Capital Wealth Partners, LLC | 61,987 | $1.48M | 0.34% | −1,984−3.1% | Reduced |
| Park Circle Co | 62,000 | $1.48M | 1.27% | 00.0% | Unchanged |
| Dearborn Partners LLC | 63,576 | $1.51M | 0.07% | +171+0.3% | Added |
| Hennion & Walsh Asset Management, Inc. | 63,911 | $1.52M | 0.06% | −40,102−38.6% | Reduced |
| CWM, LLC | 64,376 | $1.53M | 0.01% | +63,567+7,857.5% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 67,700 | $1.61M | 0.00% | −5,113−7.0% | Reduced |
| IFP Advisors, Inc | 70,817 | $1.69M | 0.05% | −52,235−42.4% | Reduced |
| Citadel Advisors LLC | 74,279 | $1.77M | 0.00% | +47,389+176.2% | Added |
| Ignite Planners, LLC | 71,358 | $1.77M | 0.31% | +25,009+54.0% | Added |
| Marshall Wace, LLP | 75,811 | $1.81M | 0.00% | +49,362+186.6% | Added |
| HB Wealth Management, LLC | 76,206 | $1.81M | 0.01% | −3,396−4.3% | Reduced |
| Northern Trust Corp | 84,292 | $2.01M | 0.00% | +28,972+52.4% | Added |
| State Street Corp | 89,663 | $2.13M | 0.00% | +64,601+257.8% | Added |
| BNP Paribas Arbitrage, SA | 93,065 | $2.22M | 0.00% | +13,164+16.5% | Added |
| Prelude Capital Management, LLC | 98,843 | $2.35M | 0.23% | 00.0% | Unchanged |
| Waterloo Capital, L.P. | 103,773 | $2.47M | 0.20% | +7,362+7.6% | Added |
| IHT Wealth Management, LLC | 105,149 | $2.50M | 0.07% | +6,549+6.6% | Added |
| Standard Life Aberdeen plc | 123,237 | $2.94M | 0.00% | −7,443−5.7% | Reduced |
| Wealthstar Advisors, LLC | 129,482 | $3.08M | 1.16% | −516−0.4% | Reduced |
| Great West Life Assurance Co | 136,054 | $3.25M | 0.01% | +3,440+2.6% | Added |
| Clayton Partners LLC | 137,140 | $3.27M | 2.74% | −14,591−9.6% | Reduced |
| Naviter Wealth, LLC | 137,708 | $3.28M | 0.40% | +22,001+19.0% | Added |
| Royal Bank of Canada | 141,477 | $3.37M | 0.00% | +17,236+13.9% | Added |
| Commonwealth Equity Services, LLC | 142,414 | $3.39M | 0.00% | +15,265+12.0% | Added |
| Argent Trust Co | 144,734 | $3.45M | 0.13% | +38,390+36.1% | Added |
| Wambolt & Associates, LLC | 146,586 | $3.49M | 1.17% | −13,929−8.7% | Reduced |
| Texas Capital Bank Wealth Management Services Inc | 148,017 | $3.52M | 0.33% | +8,212+5.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 150,543 | $3.58M | 0.01% | +70.0% | Added |
| Trexquant Investment LP | 168,058 | $4.00M | 0.05% | +17,428+11.6% | Added |
| Omers Administration Corp | 178,214 | $4.24M | 0.03% | +178,214 | New |
| D.A. Davidson & Co. | 179,702 | $4.28M | 0.03% | +6,176+3.6% | Added |
| Parkwood LLC | 184,819 | $4.40M | 0.40% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 189,491 | $4.51M | 0.02% | +189,491 | New |
| HRT Financial LP | 190,316 | $4.53M | 0.02% | +123,682+185.6% | Added |
| RMR Capital Management, LLC | 190,495 | $4.54M | 3.24% | −52,736−21.7% | Reduced |
| Truvestments Capital LLC | 193,963 | $4.62M | 0.92% | −1,385−0.7% | Reduced |
| Denali Advisors LLC | 198,685 | $4.73M | 0.49% | −4,753−2.3% | Reduced |
| Advisors Asset Management, Inc. | 206,077 | $4.91M | 0.09% | +28,787+16.2% | Added |
| Rockefeller Capital Management L.P. | 207,112 | $4.93M | 0.01% | +14,104+7.3% | Added |
| Benjamin Edwards Inc | 211,976 | $5.05M | 0.06% | +6,964+3.4% | Added |
| First National Trust Co | 214,770 | $5.11M | 0.19% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 215,650 | $5.18M | 0.00% | +13,319+6.6% | Added |