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 |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 230,586 | $5.49M | 0.00% | −2,037−0.9% | Reduced |
| Janney Montgomery Scott LLC | 264,827 | $6.31M | 0.02% | −12,018−4.3% | Reduced |
| Round Rock Advisors, LLC | 281,184 | $6.69M | 1.15% | +6,701+2.4% | Added |
| Confluence Investment Management LLC | 288,066 | $6.86M | 0.10% | +36,650+14.6% | Added |
| Cresset Asset Management, LLC | 302,112 | $7.19M | 0.04% | −2,094−0.7% | Reduced |
| Bank of Montreal | 324,196 | $7.72M | 0.00% | +324,196 | New |
| LGT Capital Partners Ltd. | 336,500 | $8.01M | 0.35% | −58,500−14.8% | Reduced |
| Goldman Sachs Group Inc | 347,494 | $8.27M | 0.00% | +267,894+336.6% | Added |
| 1832 Asset Management L.P. | 395,347 | $9.41M | 0.02% | +45,347+13.0% | Added |
| Cerity Partners LLC | 422,634 | $10.1M | 0.02% | −21,390−4.8% | Reduced |
| We Are One Seven, LLC | 427,840 | $10.2M | 0.33% | +12,650+3.0% | Added |
| Columbus Macro, LLC | 437,561 | $10.4M | 1.28% | +48,289+12.4% | Added |
| Gilman Hill Asset Management, LLC | 465,241 | $11.1M | 1.81% | +18,265+4.1% | Added |
| Franklin Resources Inc | 485,418 | $11.6M | 0.00% | +44,015+10.0% | Added |
| Cetera Investment Advisers | 494,410 | $11.8M | 0.02% | +45,512+10.1% | Added |
| Two Sigma Investments, LP | 512,747 | $12.2M | 0.02% | +76,790+17.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 527,107 | $12.6M | 0.01% | +91,500+21.0% | Added |
| Envestnet Asset Management Inc | 538,400 | $12.8M | 0.00% | +43,701+8.8% | Added |
| Bank of America Corp | 575,432 | $13.7M | 0.00% | −53,489−8.5% | Reduced |
| Neuberger Berman Group LLC | 595,029 | $14.2M | 0.01% | −9,691−1.6% | Reduced |
| Muzinich & Co., Inc. | 608,616 | $14.5M | 6.62% | +158,474+35.2% | Added |
| LPL Financial LLC | 609,227 | $14.5M | 0.00% | +5,683+0.9% | Added |
| Melia Wealth LLC | 614,916 | $14.6M | 7.01% | +21,167+3.6% | Added |
| Legal & General Group Plc | 622,774 | $14.8M | 0.00% | +899+0.1% | Added |
| SCS Capital Management LLC | 622,522 | $14.8M | 0.16% | +17,290+2.9% | Added |
| Stifel Financial Corp | 663,112 | $15.8M | 0.02% | −27,786−4.0% | Reduced |
| Two Sigma Advisers, LP | 678,886 | $16.2M | 0.03% | −56,000−7.6% | Reduced |
| BlackRock, Inc. | 696,005 | $16.6M | 0.00% | +100,309+16.8% | Added |
| Advisors Capital Management, LLC | 718,338 | $17.1M | 0.23% | +13,730+1.9% | Added |
| Raymond James Financial Inc | 828,529 | $19.7M | 0.01% | −2,732−0.3% | Reduced |
| JPMorgan Chase & Co | 942,789 | $22.4M | 0.00% | +4,638+0.5% | Added |
| LSV Asset Management | 1,055,562 | $25.1M | 0.06% | −121,549−10.3% | Reduced |
| Callodine Capital Management, LP | 1,064,824 | $25.4M | 2.63% | −2520.0% | Reduced |
| UBS Group AG | 1,186,011 | $28.2M | 0.01% | +310,286+35.4% | Added |
| Wells Fargo & Company | 1,241,039 | $29.5M | 0.01% | +36,966+3.1% | Added |
| Ares Management LLC | 1,402,689 | $33.4M | 1.71% | +30,000+2.2% | Added |
| Allen Investment Management LLC | 1,557,126 | $37.1M | 0.40% | +122,206+8.5% | Added |
| Morgan Stanley | 1,872,708 | $44.6M | 0.00% | +2,869+0.2% | Added |
| Van Eck Associates Corp | 2,143,789 | $51.0M | 0.06% | −84,144−3.8% | Reduced |
| Burgundy Asset Management Ltd. | 2,378,968 | $56.6M | 0.55% | +31,922+1.4% | Added |
| Sound Income Strategies, LLC | 2,406,296 | $57.3M | 3.29% | +45,157+1.9% | Added |
| Progeny 3, Inc. | 2,476,398 | $59.0M | 3.31% | +23,451+1.0% | Added |
| Sixth Street Partners Management Company, L.P. | 2,714,226 | $64.6M | 5.13% | 00.0% | Unchanged |
| STRS Ohio | 3,176,606 | $75.6M | 0.28% | −384,516−10.8% | Reduced |
| Union Bancaire Privee, UBP SA | 19,319 | – | – | +935+5.1% | Added |
| Baillie Gifford & Co | 0 | $0 | 0.00% | −373,254−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −173,243−100.0% | Sold out |
| Financial Advocates Investment Management | 0 | $0 | 0.00% | −140,390−100.0% | Sold out |
| FIL Ltd | 0 | $0 | 0.00% | −78,956−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −60,400−100.0% | Sold out |
| FJ Capital Management LLC | 0 | $0 | 0.00% | −35,944−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −29,074−100.0% | Sold out |
| Rathbone Brothers plc | 0 | $0 | 0.00% | −24,202−100.0% | Sold out |
| Hamilton Capital Partners Inc. | 0 | $0 | 0.00% | −17,340−100.0% | Sold out |
| Lansforsakringar Fondforvaltning AB (publ) | 0 | $0 | 0.00% | −16,161−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −15,600−100.0% | Sold out |
| TrueMark Investments, LLC | 0 | $0 | 0.00% | −13,535−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −9,368−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −5,761−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −4,787−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,258−100.0% | Sold out |
| Ameriflex Group, Inc. | 0 | $0 | 0.00% | −1,205−100.0% | Sold out |
| Peoples Bank | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −426−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −285−100.0% | Sold out |
| SOA Wealth Advisors, LLC. | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |