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, Q3 2025
Institutional positions in Sixth Street Specialty Lending, Inc. as of Sep 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
- 247
- +7 vs. Q2 2025
- Shares held
- 48.7M
- +23.1K (0.0%) vs. Q2 2025
- Total value
- $1.11B
- −$46.5M (−4.0%) vs. Q2 2025
- New holders
- 35
- 94 more added
- Sold out
- 28
- 65 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sixth Street Partners Management Company, L.P. | 2,714,226 | $62.0M | 5.33% | 00.0% | Unchanged |
| Van Eck Associates Corp | 2,529,187 | $57.8M | 0.05% | +385,398+18.0% | Added |
| Burgundy Asset Management Ltd. | 2,362,088 | $57.8M | 0.54% | −16,880−0.7% | Reduced |
| Progeny 3, Inc. | 2,476,398 | $56.6M | 2.92% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 2,402,407 | $50.6M | 2.76% | −3,889−0.2% | Reduced |
| STRS Ohio | 2,104,173 | $48.1M | 0.18% | −1,072,433−33.8% | Reduced |
| Morgan Stanley | 2,004,037 | $45.8M | 0.00% | +131,329+7.0% | Added |
| Allen Investment Management LLC | 1,558,667 | $35.6M | 0.40% | +1,541+0.1% | Added |
| Ares Management LLC | 1,394,779 | $31.9M | 1.46% | −7,910−0.6% | Reduced |
| UBS Group AG | 1,316,597 | $30.1M | 0.01% | +130,586+11.0% | Added |
| Wells Fargo & Company | 1,224,946 | $28.0M | 0.01% | −16,093−1.3% | Reduced |
| JPMorgan Chase & Co | 993,735 | $22.7M | 0.00% | +50,946+5.4% | Added |
| LSV Asset Management | 972,712 | $22.2M | 0.05% | −82,850−7.8% | Reduced |
| Raymond James Financial Inc | 872,139 | $19.9M | 0.01% | +43,610+5.3% | Added |
| Callodine Capital Management, LP | 871,433 | $19.9M | 1.75% | −193,391−18.2% | Reduced |
| BlackRock, Inc. | 811,430 | $18.5M | 0.00% | +115,425+16.6% | Added |
| Muzinich & Co., Inc. | 746,958 | $17.1M | 6.62% | +138,342+22.7% | Added |
| Advisors Capital Management, LLC | 746,726 | $17.1M | 0.21% | +28,388+4.0% | Added |
| Bank of America Corp | 692,287 | $15.8M | 0.00% | +116,855+20.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 662,896 | $15.2M | 0.01% | +135,789+25.8% | Added |
| LPL Financial LLC | 661,913 | $15.1M | 0.00% | +52,686+8.6% | Added |
| Two Sigma Advisers, LP | 656,289 | $15.0M | 0.03% | −22,597−3.3% | Reduced |
| SCS Capital Management LLC | 636,338 | $14.5M | 0.16% | +13,816+2.2% | Added |
| Melia Wealth LLC | 622,898 | $14.2M | 6.23% | +7,982+1.3% | Added |
| Stifel Financial Corp | 612,527 | $14.0M | 0.01% | −50,585−7.6% | Reduced |
| Envestnet Asset Management Inc | 588,967 | $13.5M | 0.00% | +50,567+9.4% | Added |
| Legal & General Group Plc | 573,774 | $13.1M | 0.00% | −49,000−7.9% | Reduced |
| Tectonic Advisors LLC | 558,938 | $12.8M | 0.70% | +558,938 | New |
| Cetera Investment Advisers | 557,946 | $12.8M | 0.01% | +63,536+12.9% | Added |
| Two Sigma Investments, LP | 547,068 | $12.5M | 0.02% | +34,321+6.7% | Added |
| Franklin Resources Inc | 546,347 | $12.5M | 0.00% | +60,929+12.6% | Added |
| Columbus Macro, LLC | 496,810 | $11.4M | 1.29% | +59,249+13.5% | Added |
| Gilman Hill Asset Management, LLC | 474,321 | $10.8M | 1.70% | +9,080+2.0% | Added |
| Neuberger Berman Group LLC | 462,426 | $10.6M | 0.01% | −132,603−22.3% | Reduced |
| Bank of Montreal | 439,832 | $10.1M | 0.00% | +115,636+35.7% | Added |
| Cerity Partners LLC | 409,968 | $9.37M | 0.02% | −12,666−3.0% | Reduced |
| We Are One Seven, LLC | 398,278 | $9.10M | 0.21% | −29,562−6.9% | Reduced |
| Goldman Sachs Group Inc | 304,531 | $6.96M | 0.00% | −42,963−12.4% | Reduced |
| Cresset Asset Management, LLC | 303,638 | $6.94M | 0.03% | +1,526+0.5% | Added |
| Royal Bank of Canada | 286,451 | $6.55M | 0.00% | +144,974+102.5% | Added |
| Ameriprise Financial Inc | 259,298 | $5.93M | 0.00% | +43,648+20.2% | Added |
| Janney Montgomery Scott LLC | 251,052 | $5.74M | 0.01% | −13,775−5.2% | Reduced |
| First National Trust Co | 247,436 | $5.66M | 0.19% | +32,666+15.2% | Added |
| Confluence Investment Management LLC | 233,908 | $5.35M | 0.08% | −54,158−18.8% | Reduced |
| Manufacturers Life Insurance Company, The | 230,586 | $5.27M | 0.00% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 228,754 | $5.23M | 0.09% | +22,677+11.0% | Added |
| Benjamin Edwards Inc | 214,689 | $4.91M | 0.06% | +2,713+1.3% | Added |
| RMR Capital Management, LLC | 214,249 | $4.90M | 3.42% | +23,754+12.5% | Added |
| Rockefeller Capital Management L.P. | 205,934 | $4.71M | 0.01% | −1,178−0.6% | Reduced |
| Atom Investors LP | 187,604 | $4.29M | 0.33% | +187,604 | New |
| Parkwood LLC | 184,819 | $4.22M | 0.41% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 182,591 | $4.17M | 0.03% | +2,889+1.6% | Added |
| Omers Administration Corp | 182,385 | $4.17M | 0.03% | +4,171+2.3% | Added |
| Truvestments Capital LLC | 169,392 | $3.87M | 0.70% | −24,571−12.7% | Reduced |
| HRT Financial LP | 162,375 | $3.71M | 0.01% | −27,941−14.7% | Reduced |
| Denali Advisors LLC | 159,133 | $3.64M | 0.41% | −39,552−19.9% | Reduced |
| Great West Life Assurance Co | 158,713 | $3.62M | 0.01% | +22,659+16.7% | Added |
| Texas Capital Bank Wealth Management Services Inc | 153,996 | $3.52M | 0.29% | +5,979+4.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 150,549 | $3.44M | 0.01% | +60.0% | Added |
| Naviter Wealth, LLC | 149,764 | $3.42M | 0.40% | +12,056+8.8% | Added |
| Clayton Partners LLC | 137,122 | $3.13M | 2.38% | −180.0% | Reduced |
| CWM, LLC | 135,502 | $3.10M | 0.01% | +71,126+110.5% | Added |
| Argent Trust Co | 133,718 | $3.06M | 0.11% | −11,016−7.6% | Reduced |
| Commonwealth Equity Services, LLC | 129,595 | $2.96M | 0.00% | −12,819−9.0% | Reduced |
| Wealthstar Advisors, LLC | 129,495 | $2.96M | 1.17% | +130.0% | Added |
| Standard Life Aberdeen plc | 123,237 | $2.82M | 0.00% | 00.0% | Unchanged |
| Waterloo Capital, L.P. | 108,404 | $2.48M | 0.18% | +4,631+4.5% | Added |
| IHT Wealth Management, LLC | 107,809 | $2.46M | 0.06% | +2,660+2.5% | Added |
| National Philanthropic Trust | 100,000 | $2.29M | 0.03% | +100,000 | New |
| D. E. Shaw & Co., Inc. | 93,900 | $2.15M | 0.00% | +69,294+281.6% | Added |
| State Street Corp | 92,208 | $2.11M | 0.00% | +2,545+2.8% | Added |
| FJ Capital Management LLC | 91,827 | $2.10M | 0.23% | +91,827 | New |
| BNP Paribas Arbitrage, SA | 90,734 | $2.07M | 0.00% | −2,331−2.5% | Reduced |
| Barclays PLC | 88,917 | $2.03M | 0.00% | +88,917 | New |
| Northern Trust Corp | 78,669 | $1.80M | 0.00% | −5,623−6.7% | Reduced |
| HB Wealth Management, LLC | 77,376 | $1.77M | 0.01% | +1,170+1.5% | Added |
| Qube Research & Technologies Ltd | 72,070 | $1.65M | 0.00% | +21,296+41.9% | Added |
| Ignite Planners, LLC | 69,467 | $1.59M | 0.26% | −1,891−2.7% | Reduced |
| CI Private Wealth, LLC | 67,472 | $1.54M | 0.00% | +10,891+19.2% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 66,490 | $1.52M | 0.00% | −1,210−1.8% | Reduced |
| Creative Planning | 65,983 | $1.51M | 0.00% | +27,266+70.4% | Added |
| CAPROCK Group, Inc. | 60,323 | $1.48M | 0.04% | +60,323 | New |
| Plan Group Financial, LLC | 63,622 | $1.45M | 0.39% | +12,194+23.7% | Added |
| Legacy Capital Wealth Partners, LLC | 61,259 | $1.40M | 0.30% | −728−1.2% | Reduced |
| Quantinno Capital Management LP | 59,334 | $1.36M | 0.00% | +1,299+2.2% | Added |
| Dearborn Partners LLC | 59,128 | $1.35M | 0.06% | −4,448−7.0% | Reduced |
| Independent Financial Group, LLC | 57,357 | $1.31M | 0.03% | −538−0.9% | Reduced |
| Toroso Investments, LLC | 57,307 | $1.31M | 0.01% | +4,088+7.7% | Added |
| Prelude Capital Management, LLC | 56,672 | $1.30M | 0.10% | −42,171−42.7% | Reduced |
| IFP Advisors, Inc | 54,214 | $1.24M | 0.03% | −16,603−23.4% | Reduced |
| HighTower Advisors, LLC | 54,179 | $1.24M | 0.00% | +6,512+13.7% | Added |
| Beacon Pointe Advisors, LLC | 50,519 | $1.15M | 0.01% | +907+1.8% | Added |
| Riverbridge Partners LLC | 50,019 | $1.14M | 0.02% | +1,184+2.4% | Added |
| Captrust Financial Advisors | 49,664 | $1.14M | 0.00% | +5,239+11.8% | Added |
| Canton Hathaway, LLC | 46,535 | $1.06M | 0.20% | −895−1.9% | Reduced |
| Cornerstone Wealth Management, LLC | 46,123 | $1.05M | 0.06% | −543−1.2% | Reduced |
| Tred Avon Family Wealth, LLC | 44,991 | $1.03M | 0.35% | +44,991 | New |
| Pallas Capital Advisors LLC | 44,616 | $1.02M | 0.04% | −4,162−8.5% | Reduced |
| Advisor Group Holdings, Inc. | 41,732 | $985.9K | 0.00% | +1,393+3.5% | Added |
| Foundations Investment Advisors, LLC | 41,846 | $956.6K | 0.01% | −276−0.7% | Reduced |