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 2026
Institutional positions in Sixth Street Specialty Lending, Inc. as of Mar 31, 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
- 260
- +8 vs. Q4 2025
- Shares held
- 52.1M
- +1.79M (+3.6%) vs. Q4 2025
- Total value
- $955.4M
- −$138.6M (−12.7%) vs. Q4 2025
- New holders
- 43
- 91 more added
- Sold out
- 35
- 75 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| STRS Ohio | 4,347,710 | $79.9M | 0.32% | +2,193,551+101.8% | Added |
| Sixth Street Partners Management Company, L.P. | 2,714,226 | $49.9M | 7.02% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 2,571,052 | $46.6M | 2.25% | +59,937+2.4% | Added |
| Progeny 3, Inc. | 2,476,398 | $45.5M | 2.43% | 00.0% | Unchanged |
| Omers Administration Corp | 1,961,813 | $36.1M | 0.23% | +1,492,704+318.2% | Added |
| UBS Group AG | 1,858,267 | $34.2M | 0.01% | +242,106+15.0% | Added |
| Van Eck Associates Corp | 1,846,810 | $33.9M | 0.03% | −495,237−21.1% | Reduced |
| Allen Investment Management LLC | 1,395,961 | $25.7M | 0.32% | −164,286−10.5% | Reduced |
| Ares Management LLC | 1,354,779 | $24.9M | 1.64% | 00.0% | Unchanged |
| Wells Fargo & Company | 1,338,623 | $24.6M | 0.00% | +67,807+5.3% | Added |
| Morgan Stanley | 1,327,615 | $24.4M | 0.00% | −1,063,013−44.5% | Reduced |
| Cerity Partners LLC | 1,135,996 | $20.9M | 0.03% | +751,229+195.2% | Added |
| Callodine Capital Management, LP | 1,129,520 | $20.8M | 1.46% | +27,528+2.5% | Added |
| Muzinich & Co., Inc. | 1,046,996 | $19.2M | 6.73% | +54,098+5.4% | Added |
| Raymond James Financial Inc | 918,576 | $16.9M | 0.01% | +22,459+2.5% | Added |
| LSV Asset Management | 789,112 | $14.5M | 0.03% | −2,100−0.3% | Reduced |
| Advisors Capital Management, LLC | 785,485 | $14.4M | 0.17% | +17,996+2.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 770,173 | $14.2M | 0.01% | +29,048+3.9% | Added |
| Stifel Financial Corp | 750,754 | $13.8M | 0.01% | +123,778+19.7% | Added |
| Bank of America Corp | 735,726 | $13.5M | 0.00% | −16,905−2.2% | Reduced |
| Legal & General Group Plc | 732,648 | $13.5M | 0.00% | +67,296+10.1% | Added |
| Tectonic Advisors LLC | 728,099 | $13.4M | 0.71% | +110,623+17.9% | Added |
| LPL Financial LLC | 672,738 | $12.4M | 0.00% | −21,067−3.0% | Reduced |
| SCS Capital Management LLC | 666,377 | $12.2M | 0.13% | +16,490+2.5% | Added |
| Goldman Sachs Group Inc | 639,759 | $11.8M | 0.00% | +15,563+2.5% | Added |
| Envestnet Asset Management Inc | 639,390 | $11.8M | 0.00% | +6,233+1.0% | Added |
| JPMorgan Chase & Co | 641,445 | $11.5M | 0.00% | −292,788−31.3% | Reduced |
| Qube Research & Technologies Ltd | 611,805 | $11.2M | 0.02% | +342,227+126.9% | Added |
| Melia Wealth LLC | 611,045 | $11.2M | 5.44% | −6,159−1.0% | Reduced |
| Franklin Resources Inc | 610,007 | $11.2M | 0.00% | +38,849+6.8% | Added |
| Cetera Investment Advisers | 598,348 | $11.0M | 0.01% | +4,467+0.8% | Added |
| Columbus Macro, LLC | 549,170 | $10.1M | 1.08% | +2,006+0.4% | Added |
| Neuberger Berman Group LLC | 521,820 | $9.59M | 0.01% | −4,414−0.8% | Reduced |
| Gilman Hill Asset Management, LLC | 483,937 | $8.89M | 1.34% | +9,581+2.0% | Added |
| Cresset Asset Management, LLC | 467,470 | $8.59M | 0.04% | +62,831+15.5% | Added |
| BlackRock, Inc. | 461,813 | $8.49M | 0.00% | −346,615−42.9% | Reduced |
| Pathstone Holdings, LLC | 442,900 | $8.14M | 0.03% | +442,900 | New |
| Two Sigma Investments, LP | 412,969 | $7.59M | 0.01% | +42,746+11.5% | Added |
| We Are One Seven, LLC | 358,394 | $6.59M | 0.13% | −7,623−2.1% | Reduced |
| Altshuler Shaham Ltd | 301,460 | $5.54M | 0.10% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 290,953 | $5.35M | 0.27% | +290,953 | New |
| RMR Capital Management, LLC | 252,808 | $4.65M | 3.36% | +55,090+27.9% | Added |
| Manufacturers Life Insurance Company, The | 246,378 | $4.53M | 0.00% | +15,629+6.8% | Added |
| IFP Advisors, Inc | 233,911 | $4.30M | 0.09% | +166,184+245.4% | Added |
| Advisors Asset Management, Inc. | 220,192 | $4.05M | 0.07% | +4,188+1.9% | Added |
| National Philanthropic Trust | 216,000 | $3.97M | 0.04% | +70,000+47.9% | Added |
| Confluence Investment Management LLC | 207,790 | $3.82M | 0.06% | −17,988−8.0% | Reduced |
| Janney Montgomery Scott LLC | 206,551 | $3.80M | 0.01% | −18,362−8.2% | Reduced |
| D.A. Davidson & Co. | 200,594 | $3.69M | 0.02% | +8,918+4.7% | Added |
| D. E. Shaw & Co., Inc. | 185,754 | $3.41M | 0.00% | +185,754 | New |
| Parkwood LLC | 184,819 | $3.40M | 0.30% | 00.0% | Unchanged |
| Truvestments Capital LLC | 182,589 | $3.36M | 0.61% | +18,396+11.2% | Added |
| Benjamin Edwards Inc | 173,556 | $3.19M | 0.03% | −42,170−19.5% | Reduced |
| Texas Capital Bank Wealth Management Services Inc | 166,754 | $3.06M | 0.18% | +13,740+9.0% | Added |
| Atom Investors LP | 162,016 | $2.98M | 0.21% | +55,002+51.4% | Added |
| Naviter Wealth, LLC | 160,106 | $2.94M | 0.37% | +18,645+13.2% | Added |
| Clayton Partners LLC | 159,556 | $2.93M | 2.13% | −18,565−10.4% | Reduced |
| Lazard Asset Management LLC | 152,856 | $2.81M | 0.00% | +152,856 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 150,563 | $2.77M | 0.00% | +140.0% | Added |
| Great West Life Assurance Co | 148,312 | $2.74M | 0.00% | −15,944−9.7% | Reduced |
| Denali Advisors LLC | 144,882 | $2.66M | 0.30% | +4,738+3.4% | Added |
| Riverbridge Partners LLC | 143,704 | $2.64M | 0.06% | +53,766+59.8% | Added |
| Waterloo Capital, L.P. | 140,877 | $2.59M | 0.18% | +481+0.3% | Added |
| First National Trust Co | 137,667 | $2.53M | 0.09% | −109,769−44.4% | Reduced |
| Russell Investments Group, Ltd. | 134,913 | $2.48M | 0.00% | +134,731+74,028.0% | Added |
| Argent Trust Co | 129,821 | $2.39M | 0.08% | −6,005−4.4% | Reduced |
| Wealthstar Advisors, LLC | 129,524 | $2.38M | 1.42% | +150.0% | Added |
| Commonwealth Equity Services, LLC | 128,732 | $2.37M | 0.00% | −28,055−17.9% | Reduced |
| Ameriprise Financial Inc | 122,366 | $2.25M | 0.00% | −99,072−44.7% | Reduced |
| Royal Bank of Canada | 120,921 | $2.22M | 0.00% | −34,966−22.4% | Reduced |
| IHT Wealth Management, LLC | 118,072 | $2.17M | 0.05% | +7,998+7.3% | Added |
| Delphi Financial Group, Inc. | 116,141 | $2.13M | 0.96% | +84,100+262.5% | Added |
| XTX Topco Ltd | 115,291 | $2.12M | 0.04% | +93,402+426.7% | Added |
| State Street Corp | 114,621 | $2.11M | 0.00% | +358+0.3% | Added |
| Ignite Planners, LLC | 111,879 | $2.06M | 0.32% | +9,562+9.3% | Added |
| Lifetime Wealth Management P.C. | 97,416 | $1.79M | 1.02% | +42,529+77.5% | Added |
| BNP Paribas Arbitrage, SA | 96,541 | $1.77M | 0.00% | +4,582+5.0% | Added |
| Plan Group Financial, LLC | 90,369 | $1.66M | 0.39% | +17,112+23.4% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 84,040 | $1.54M | 0.01% | +18,547+28.3% | Added |
| Wiley Bros.-Aintree Capital, LLC | 80,979 | $1.49M | 0.01% | −5,986−6.9% | Reduced |
| Legacy Capital Wealth Partners, LLC | 74,798 | $1.37M | 0.28% | +6,716+9.9% | Added |
| AE Wealth Management LLC | 67,481 | $1.24M | 0.01% | +37,460+124.8% | Added |
| Independent Financial Group, LLC | 65,541 | $1.20M | 0.03% | +6,230+10.5% | Added |
| Beacon Pointe Advisors, LLC | 62,519 | $1.15M | 0.01% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 62,099 | $1.14M | 0.00% | −45−0.1% | Reduced |
| Ieq Capital, LLC | 60,723 | $1.12M | 0.01% | +60,723 | New |
| CAPROCK Group, Inc. | 60,584 | $1.11M | 0.03% | +190.0% | Added |
| CWM, LLC | 57,110 | $1.05M | 0.00% | −35,215−38.1% | Reduced |
| Tred Avon Family Wealth, LLC | 55,751 | $1.02M | 0.34% | +11,725+26.6% | Added |
| Toroso Investments, LLC | 53,219 | $978.2K | 0.00% | +53,219 | New |
| Rockefeller Capital Management L.P. | 52,820 | $970.8K | 0.00% | −95,549−64.4% | Reduced |
| Lido Advisors, LLC | 52,154 | $958.6K | 0.00% | +9,982+23.7% | Added |
| Dearborn Partners LLC | 50,508 | $928.3K | 0.05% | −5,921−10.5% | Reduced |
| Savvy Advisors, Inc. | 49,345 | $907.0K | 0.02% | +5,956+13.7% | Added |
| Brown Advisory Inc | 48,430 | $890.1K | 0.00% | −283−0.6% | Reduced |
| Foundations Investment Advisors, LLC | 47,758 | $877.8K | 0.01% | +7,632+19.0% | Added |
| Schonfeld Strategic Advisors LLC | 47,508 | $873.2K | 0.01% | +47,508 | New |
| Millennium Management LLC | 45,828 | $842.3K | 0.00% | +11,592+33.9% | Added |
| CI Private Wealth, LLC | 45,174 | $830.3K | 0.00% | −33,063−42.3% | Reduced |
| Canton Hathaway, LLC | 44,765 | $822.8K | 0.17% | −1,770−3.8% | Reduced |