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 2025
Institutional positions in Sixth Street Specialty Lending, Inc. as of Mar 31, 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
- 236
- +15 vs. Q4 2024
- Shares held
- 47.7M
- +2.49M (+5.5%) vs. Q4 2024
- Total value
- $1.07B
- +$104.4M (+10.8%) vs. Q4 2024
- New holders
- 34
- 90 more added
- Sold out
- 19
- 57 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Chicago Partners Investment Group LLC | 22,564 | $470.7K | 0.02% | +3,165+16.3% | Added |
| Private Advisor Group, LLC | 21,570 | $482.7K | 0.00% | −96−0.4% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 23,046 | $515.8K | 0.05% | +23,046 | New |
| Sanctuary Advisors, LLC | 23,669 | $529.7K | 0.00% | −420−1.7% | Reduced |
| Rathbone Brothers plc | 24,202 | $541.6K | 0.00% | 00.0% | Unchanged |
| Merrion Investment Management Co, LLC | 25,000 | $559.5K | 0.40% | 00.0% | Unchanged |
| State Street Corp | 25,062 | $560.9K | 0.00% | +25,062 | New |
| US Bancorp | 25,113 | $562.0K | 0.00% | 00.0% | Unchanged |
| Natixis | 25,249 | $563.6K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 25,490 | $570.5K | 0.01% | −97−0.4% | Reduced |
| Northeast Financial Consultants Inc | 26,000 | $581.9K | 0.03% | 00.0% | Unchanged |
| Sage Investment Counsel LLC | 26,277 | $588.1K | 0.75% | +44+0.2% | Added |
| Marshall Wace, LLP | 26,449 | $591.9K | 0.00% | +26,449 | New |
| Citadel Advisors LLC | 26,890 | $601.8K | 0.00% | +12,865+91.7% | Added |
| Invesco Ltd. | 28,365 | $634.8K | 0.00% | −5,053−15.1% | Reduced |
| Sargent Investment Group, LLC | 28,400 | $635.6K | 0.10% | 00.0% | Unchanged |
| Barclays PLC | 29,074 | $650.7K | 0.00% | +29,074 | New |
| Platform Technology Partners | 29,385 | $657.6K | 0.19% | +460+1.6% | Added |
| Barnett & Company, Inc. | 30,050 | $672.5K | 0.56% | +1,000+3.4% | Added |
| Bouchey Financial Group Ltd | 30,252 | $677.0K | 0.06% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 30,313 | $678.4K | 0.07% | +7,501+32.9% | Added |
| Bryn Mawr Trust Co | 31,070 | $695.3K | 0.01% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 31,303 | $700.6K | 0.01% | +31,303 | New |
| Mariner, LLC | 34,138 | $763.7K | 0.00% | −5,481−13.8% | Reduced |
| Texas Yale Capital Corp. | 35,000 | $783.3K | 0.03% | 00.0% | Unchanged |
| FJ Capital Management LLC | 35,944 | $804.4K | 0.08% | +35,944 | New |
| Dakota Wealth Management | 36,225 | $810.7K | 0.02% | +36,225 | New |
| Nations Financial Group Inc, | 36,387 | $814.3K | 0.06% | −49−0.1% | Reduced |
| Susquehanna International Group, LLP | 37,584 | $841.1K | 0.00% | +6,758+21.9% | Added |
| Plan Group Financial, LLC | 38,923 | $871.1K | 0.31% | +19,362+99.0% | Added |
| Essex Financial Services, Inc. | 39,252 | $878.5K | 0.06% | +21,065+115.8% | Added |
| Evoke Wealth, LLC | 39,859 | $892.0K | 0.02% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 39,958 | $894.3K | 0.24% | +39,958 | New |
| Creative Planning | 40,136 | $898.3K | 0.00% | +10.0% | Added |
| CI Private Wealth, LLC | 40,167 | $898.9K | 0.00% | +1,703+4.4% | Added |
| Ethos Financial Group, LLC | 40,391 | $904.0K | 0.09% | +40,391 | New |
| Advisor Group Holdings, Inc. | 42,425 | $949.6K | 0.00% | +13,277+45.6% | Added |
| Ignite Planners, LLC | 46,349 | $952.9K | 0.19% | +1,987+4.5% | Added |
| HighTower Advisors, LLC | 43,451 | $972.4K | 0.00% | +2,617+6.4% | Added |
| Delphi Financial Group, Inc. | 45,106 | $1.01M | 0.61% | −25,000−35.7% | Reduced |
| Brown Advisory Inc | 45,868 | $1.03M | 0.00% | −6,489−12.4% | Reduced |
| Cornerstone Wealth Management, LLC | 46,732 | $1.05M | 0.07% | +548+1.2% | Added |
| Riverbridge Partners LLC | 47,243 | $1.06M | 0.02% | −24,700−34.3% | Reduced |
| Kestra Advisory Services, LLC | 47,372 | $1.06M | 0.01% | −4,363−8.4% | Reduced |
| Canton Hathaway, LLC | 48,230 | $1.08M | 0.22% | +32,780+212.2% | Added |
| Toroso Investments, LLC | 52,051 | $1.16M | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 52,087 | $1.17M | 0.00% | +13,470+34.9% | Added |
| Pallas Capital Advisors LLC | 53,983 | $1.21M | 0.05% | −1,598−2.9% | Reduced |
| Northern Trust Corp | 55,320 | $1.24M | 0.00% | −2,330−4.0% | Reduced |
| Independent Financial Group, LLC | 57,421 | $1.29M | 0.04% | +200+0.3% | Added |
| Alberta Investment Management Corp | 60,400 | $1.35M | 0.01% | 00.0% | Unchanged |
| Park Circle Co | 62,000 | $1.39M | 1.24% | 00.0% | Unchanged |
| Bramshill Investments, LLC | 62,164 | $1.39M | 0.14% | +71+0.1% | Added |
| Dearborn Partners LLC | 63,405 | $1.42M | 0.07% | +4,637+7.9% | Added |
| Legacy Capital Wealth Partners, LLC | 63,971 | $1.43M | 0.35% | −3,060−4.6% | Reduced |
| Captrust Financial Advisors | 64,385 | $1.44M | 0.00% | −17,705−21.6% | Reduced |
| HRT Financial LP | 66,634 | $1.49M | 0.01% | −15,496−18.9% | Reduced |
| Lido Advisors, LLC | 69,046 | $1.55M | 0.01% | +8,271+13.6% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 72,813 | $1.63M | 0.01% | +72,813 | New |
| FIL Ltd | 78,956 | $1.77M | 0.00% | +78,956 | New |
| Goldman Sachs Group Inc | 79,600 | $1.78M | 0.00% | −46,098−36.7% | Reduced |
| HB Wealth Management, LLC | 79,602 | $1.78M | 0.01% | +439+0.6% | Added |
| BNP Paribas Arbitrage, SA | 79,901 | $1.79M | 0.00% | +31,291+64.4% | Added |
| Waterloo Capital, L.P. | 96,411 | $2.16M | 0.20% | +4,885+5.3% | Added |
| IHT Wealth Management, LLC | 98,600 | $2.21M | 0.07% | +3,150+3.3% | Added |
| Prelude Capital Management, LLC | 98,843 | $2.21M | 0.22% | −16,238−14.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 104,013 | $2.33M | 0.10% | −33,232−24.2% | Reduced |
| Argent Trust Co | 106,344 | $2.38M | 0.10% | +2,855+2.8% | Added |
| Naviter Wealth, LLC | 115,707 | $2.64M | 0.32% | +9,724+9.2% | Added |
| IFP Advisors, Inc | 123,052 | $2.75M | 0.08% | −3,366−2.7% | Reduced |
| Royal Bank of Canada | 124,241 | $2.78M | 0.00% | +9,230+8.0% | Added |
| Commonwealth Equity Services, LLC | 127,149 | $2.85M | 0.00% | +33,371+35.6% | Added |
| Wealthstar Advisors, LLC | 129,998 | $2.91M | 1.33% | −606−0.5% | Reduced |
| Standard Life Aberdeen plc | 130,680 | $2.91M | 0.01% | +6,367+5.1% | Added |
| Great West Life Assurance Co | 132,614 | $2.97M | 0.01% | +89,060+204.5% | Added |
| Texas Capital Bank Wealth Management Services Inc | 139,805 | $3.13M | 0.32% | +11,111+8.6% | Added |
| Financial Advocates Investment Management | 140,390 | $3.14M | 0.22% | −15,765−10.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 150,536 | $3.37M | 0.01% | −44,592−22.9% | Reduced |
| Trexquant Investment LP | 150,630 | $3.37M | 0.04% | −13,889−8.4% | Reduced |
| Clayton Partners LLC | 151,731 | $3.40M | 2.95% | −20,741−12.0% | Reduced |
| Wambolt & Associates, LLC | 160,515 | $3.60M | 1.22% | −1,471−0.9% | Reduced |
| Millennium Management LLC | 173,243 | $3.88M | 0.00% | −52,847−23.4% | Reduced |
| D.A. Davidson & Co. | 173,526 | $3.88M | 0.03% | +4,210+2.5% | Added |
| Advisors Asset Management, Inc. | 177,290 | $3.97M | 0.07% | +6,809+4.0% | Added |
| Parkwood LLC | 184,819 | $4.14M | 0.40% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 193,008 | $4.32M | 0.01% | +108+0.1% | Added |
| Truvestments Capital LLC | 195,348 | $4.37M | 0.95% | +68,283+53.7% | Added |
| Ameriprise Financial Inc | 202,331 | $4.53M | 0.00% | +9,019+4.7% | Added |
| Denali Advisors LLC | 203,438 | $4.55M | 0.52% | −4,538−2.2% | Reduced |
| Benjamin Edwards Inc | 205,012 | $4.59M | 0.06% | +5,746+2.9% | Added |
| First National Trust Co | 214,770 | $4.81M | 0.19% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 219,068 | $4.90M | 0.01% | −53,641−19.7% | Reduced |
| Manufacturers Life Insurance Company, The | 232,623 | $5.21M | 0.00% | −610.0% | Reduced |
| RMR Capital Management, LLC | 243,231 | $5.44M | 3.93% | −941−0.4% | Reduced |
| Confluence Investment Management LLC | 251,416 | $5.63M | 0.08% | +234+0.1% | Added |
| Round Rock Advisors, LLC | 274,483 | $6.14M | 1.14% | +190,469+226.7% | Added |
| Janney Montgomery Scott LLC | 276,845 | $6.20M | 0.02% | +144,096+108.5% | Added |
| Cresset Asset Management, LLC | 304,206 | $6.81M | 0.03% | +5,543+1.9% | Added |
| 1832 Asset Management L.P. | 350,000 | $7.83M | 0.01% | −200,000−36.4% | Reduced |
| Baillie Gifford & Co | 373,254 | $8.35M | 0.01% | +66,825+21.8% | Added |