Sixth Street Specialty LendiTSLX
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 258 institutions reported holding Sixth Street Specialty Lendi (TSLX) in their 13F filings, up 12 from Q3 2025. 28 opened new positions and 24 sold out. The largest holders were Sixth Street Partners Management Company, L.P. ($59.0M), Sound Income Strategies, LLC ($56.0M) and Progeny 3, Inc. ($53.8M). 2 famous investors held it, including Jeremy Grantham (0.0% of GMO's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Sixth Street Specialty Lendi
- CUSIP
- 83012A109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $17.5M |
| Exits | 24 | $14.1M |
All 13F filers, Q3 2025 → Q4 2025: 6,095,953 shares bought and 2,273,197 shares sold, net +3,822,756 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 258 holders
| Sixth Street Partners Management Company, L.P. | 6.06% | No change | 2,714,226 | $59.0M |
| Sound Income Strategies, LLC | 2.65% | Add +4.5% | 2,511,115 | $56.0M |
| Progeny 3, Inc. | 2.90% | No change | 2,476,398 | $53.8M |
| Morgan Stanley | 0.00% | Add +19.3% | 2,390,628 | $51.9M |
| Van Eck Associates Corp. | 0.04% | Reduce -7.4% | 2,342,047 | $50.9M |
| Union Bancaire Privee, UBP SA | 0.61% | Reduce -22.3% | 15,014 | $50.7M |
| Bank of Montreal | 0.02% | Add +419.5% | 2,284,920 | $49.6M |
| STRS Ohio | 0.17% | Add +2.4% | 2,154,159 | $46.8M |
| UBS Group AG | 0.01% | Add +22.8% | 1,616,161 | $35.1M |
| Allen Investment Management, LLC | 0.38% | Add +0.1% | 1,560,247 | $33.9M |
| Ares Management LLC | 1.68% | Reduce -2.9% | 1,354,779 | $29.4M |
| Wells Fargo & Company | 0.01% | Add +3.7% | 1,270,816 | $27.6M |
| Callodine Capital Management, LP | 1.92% | Add +26.5% | 1,101,992 | $23.9M |
| Muzinich & Co., Inc. | 6.78% | Add +32.9% | 992,898 | $21.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.0% | 934,233 | $20.3M |
| Raymond James Financial Inc. | 0.01% | Add +2.8% | 896,117 | $19.5M |
| BlackRock, Inc. | 0.00% | Reduce -0.4% | 808,428 | $17.6M |
| LSV Asset Management | 0.04% | Reduce -18.7% | 791,212 | $17.2M |
| Advisors Capital Management, LLC | 0.20% | Add +2.8% | 767,489 | $16.7M |
| Bank of America Corp. | 0.00% | Add +8.7% | 752,631 | $16.3M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Add +11.8% | 741,125 | $16.1M |
| LPL Financial LLC | 0.00% | Add +4.8% | 693,805 | $15.1M |
| Legal & General Group Plc | 0.00% | Add +16.0% | 665,352 | $14.5M |
| SCS Capital Management LLC | 0.15% | Add +2.1% | 649,887 | $14.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +7.5% | 633,157 | $13.8M |
| Stifel Financial Corp. | 0.01% | Add +2.4% | 626,976 | $13.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +105.0% | 624,196 | $13.6M |
| Tectonic Advisors LLC | 0.71% | Add +10.5% | 617,476 | $13.4M |
| Melia Wealth LLC | 6.20% | Reduce -0.9% | 617,204 | $13.4M |
| Cetera Investment Advisers | 0.01% | Add +6.4% | 593,881 | $12.9M |
| Franklin Resources Inc. | 0.00% | Add +4.5% | 571,158 | $12.4M |
| Columbus Macro, LLC | 1.30% | Add +10.1% | 547,164 | $11.9M |
| Neuberger Berman Group LLC | 0.01% | Add +13.8% | 526,234 | $11.4M |
| Gilman Hill Asset Management, LLC | 1.62% | Add +0.0% | 474,356 | $10.3M |
| OMERS ADMINISTRATION Corp | 0.07% | Add +157.2% | 469,109 | $10.2M |
| Cresset Asset Management, LLC | 0.04% | Add +33.3% | 404,639 | $8.8M |
| Two Sigma Advisers, LP | 0.02% | Reduce -40.1% | 393,298 | $8.5M |
| Cerity Partners LLC | 0.01% | Reduce -6.2% | 384,767 | $8.4M |
| Two Sigma Investments, LP | 0.01% | Reduce -32.3% | 370,223 | $8.0M |
| Mgo One Seven LLC | 0.16% | Reduce -8.1% | 366,017 | $7.9M |
| Altshuler Shaham Ltd | 0.10% | New | 301,460 | $6.5M |
| Qube Research & Technologies Ltd | 0.01% | Add +274.1% | 269,578 | $5.9M |
| First National Trust Co | 0.18% | No change | 247,436 | $5.4M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +0.1% | 230,749 | $5.0M |
| Confluence Investment Management LLC | 0.07% | Reduce -3.5% | 225,778 | $4.9M |
| Janney Montgomery Scott LLC | 0.01% | Reduce -10.4% | 224,913 | $4.9M |
| Ameriprise Financial Inc. | 0.00% | Reduce -14.6% | 221,438 | $4.8M |
| Advisors Asset Management, Inc. | 0.08% | Reduce -5.6% | 216,004 | $4.7M |
| Benjamin Edwards Inc. | 0.05% | Add +0.5% | 215,726 | $4.7M |
| RMR Capital Management, LLC | 3.10% | Reduce -7.7% | 197,718 | $4.3M |
| D.A. Davidson & Co. | 0.03% | Add +5.0% | 191,676 | $4.2M |
| Stratos Wealth Advisors, LLC | 0.20% | New | 190,094 | $4.1M |
| Parkwood LLC | 0.34% | No change | 184,819 | $4.0M |
| Clayton Partners LLC | 2.79% | Add +29.9% | 178,121 | $3.9M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +3.5% | 164,256 | $3.6M |
| Truvestments Capital LLC | 0.65% | Reduce -3.1% | 164,193 | $3.6M |
| Commonwealth Equity Services, LLC | 0.00% | Add +21.0% | 156,787 | $3.4M |
| Royal Bank of Canada | 0.00% | Reduce -45.6% | 155,887 | $3.4M |
| Texas Capital Bank Wealth Management Services Inc | 0.19% | Reduce -0.6% | 153,014 | $3.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | No change | 150,549 | $3.3M |
| Rockefeller Capital Management L.P. | 0.01% | Reduce -27.9% | 148,369 | $3.2M |
| National Philanthropic Trust | 0.03% | Add +46.0% | 146,000 | $3.2M |
| Naviter Wealth, LLC | 0.40% | Reduce -5.5% | 141,461 | $3.1M |
| Waterloo Capital, L.P. | 0.22% | Add +29.5% | 140,396 | $3.0M |
| Denali Advisors LLC | 0.34% | Reduce -11.9% | 140,144 | $3.0M |
| Argent Trust Co | 0.10% | Add +1.6% | 135,826 | $3.0M |
| Wealthstar Advisors, LLC | 1.53% | Add +0.0% | 129,509 | $2.8M |
| Aberdeen Group plc | 0.00% | No change | 123,237 | $2.7M |
| State Street Corp. | 0.00% | Add +23.9% | 114,263 | $2.5M |
| IHT Wealth Management, LLC | 0.06% | Add +2.1% | 110,074 | $2.4M |
| Atom Investors LP | 0.18% | Reduce -43.0% | 107,014 | $2.3M |
| Ignite Planners, LLC | 0.34% | Add +47.3% | 102,317 | $2.2M |
| Cwm, LLC | 0.01% | Reduce -31.9% | 92,325 | $2.0M |
| BNP Paribas Financial Markets | 0.00% | Add +1.4% | 91,959 | $2.0M |
| Riverbridge Partners LLC | 0.04% | Add +79.8% | 89,938 | $2.0M |
| &partners | 0.01% | Add +343.6% | 86,965 | $1.9M |
| Corient Private Wealth LP | 0.00% | Add +15.9% | 78,237 | $1.7M |
| HB Wealth Management, LLC | 0.01% | Reduce -2.1% | 75,751 | $1.6M |
| Northern Trust Corp. | 0.00% | Reduce -4.6% | 75,085 | $1.6M |
| Plan Group Financial, LLC | 0.41% | Add +15.1% | 73,257 | $1.6M |
| Barclays PLC | 0.00% | Reduce -18.9% | 72,066 | $1.6M |
| Legacy Capital Wealth Partners, LLC | 0.32% | Add +11.1% | 68,082 | $1.5M |
| GMO | 0.00% | Add +2.0% | 67,847 | $1.5M |
| IFP Advisors, Inc | 0.03% | Add +24.9% | 67,727 | $1.5M |
| Lansforsakringar Fondforvaltning AB (publ) | 0.01% | New | 65,493 | $1.4M |
| Aquatic Capital Management LLC | 0.04% | Add +96.5% | 64,488 | $1.4M |
| Beacon Pointe Advisors, LLC | 0.01% | Add +23.8% | 62,519 | $1.4M |
| Quantinno Capital Management LP | 0.00% | Add +4.7% | 62,144 | $1.3M |
| Caprock Group, LLC | 0.03% | Add +0.4% | 60,565 | $1.3M |
| Independent Financial Group, LLC | 0.03% | Add +3.4% | 59,311 | $1.3M |
| FJ Capital Management LLC | 0.14% | Reduce -36.4% | 58,423 | $1.3M |
| Dearborn Partners LLC | 0.06% | Reduce -4.6% | 56,429 | $1.2M |
| Lifetime Wealth Management P.C. | 0.76% | — | 54,887 | $1.2M |
| Osaic Holdings, Inc. | 0.00% | Add +30.3% | 54,374 | $1.2M |
| Brown Advisory Inc. | 0.00% | Add +24.9% | 48,713 | $1.1M |
| HighTower Advisors, LLC | 0.00% | Reduce -12.5% | 47,422 | $1.0M |
| Cornerstone Wealth Management, LLC | 0.05% | Add +2.1% | 47,093 | $1.0M |
| Canton Hathaway, LLC | 0.19% | No change | 46,535 | $1.0M |
| Lido Advisors, LLC | 0.00% | Add +1.2% | 42,172 | $958K |
| Tred Avon Family Wealth, LLC | 0.31% | Reduce -2.1% | 44,026 | $956K |
"% of holder's portfolio" is TSLX's weight in each manager's 13F, not the share of Sixth Street Specialty Lendi the manager owns.