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 2026
Institutional positions in Sixth Street Specialty Lending, Inc. as of Jun 30, 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
- 242
- −15 vs. Q1 2026
- Shares held
- 52.2M
- +203.2K (+0.4%) vs. Q1 2026
- Total value
- $896.5M
- −$57.3M (−6.0%) vs. Q1 2026
- New holders
- 23
- 87 more added
- Sold out
- 38
- 81 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cornerstone Wealth Management, LLC | 17,443 | $299.5K | 0.01% | −25,875−59.7% | Reduced |
| ProShare Advisors LLC | 17,683 | $303.6K | 0.00% | −1,435−7.5% | Reduced |
| Chicago Partners Investment Group LLC | 18,746 | $310.8K | 0.01% | −3,106−14.2% | Reduced |
| Kestra Advisory Services, LLC | 18,241 | $313.2K | 0.00% | −469−2.5% | Reduced |
| Sargent Investment Group, LLC | 18,400 | $315.9K | 0.04% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 18,463 | $317.0K | 0.00% | +463+2.6% | Added |
| COFG Advisors, LLC | 18,509 | $317.8K | 0.05% | +801+4.5% | Added |
| Quantinno Capital Management LP | 18,547 | $318.5K | 0.00% | −43,552−70.1% | Reduced |
| Maia Wealth LLC | 18,597 | $319.3K | 0.05% | +442+2.4% | Added |
| Catalytic Wealth RIA, LLC | 19,116 | $328.2K | 0.02% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 19,125 | $328.4K | 0.00% | +386+2.1% | Added |
| Beacon Pointe Advisors, LLC | 19,616 | $336.8K | 0.00% | −42,903−68.6% | Reduced |
| Kapitalo Investimentos Ltda | 20,080 | $344.8K | 0.03% | +20,080 | New |
| Monument Capital Management | 20,663 | $354.8K | 0.07% | +2,549+14.1% | Added |
| Mutual Advisors, LLC | 20,800 | $357.1K | 0.01% | +4,000+23.8% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 21,235 | $364.6K | 0.02% | 00.0% | Unchanged |
| Kovack Advisors, Inc. | 21,328 | $366.2K | 0.02% | +1,909+9.8% | Added |
| MAI Capital Management | 21,564 | $370.3K | 0.00% | +19,128+785.2% | Added |
| Virtus Investment Advisers, Inc. | 22,230 | $381.7K | 0.09% | −4,399−16.5% | Reduced |
| Truist Financial Corp | 22,549 | $387.2K | 0.00% | +22,549 | New |
| IFG Advisory, LLC | 22,598 | $388.0K | 0.01% | +22,598 | New |
| Citadel Advisors LLC | 23,639 | $405.9K | 0.00% | +1,846+8.5% | Added |
| TrueMark Investments, LLC | 24,038 | $412.7K | 0.05% | +24,038 | New |
| US Bancorp | 25,000 | $429.3K | 0.00% | −353−1.4% | Reduced |
| Merrion Investment Management Co, LLC | 25,000 | $429.3K | 0.20% | 00.0% | Unchanged |
| Sage Investment Counsel LLC | 25,577 | $439.2K | 0.44% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 26,373 | $452.8K | 0.00% | +26,373 | New |
| Ethos Financial Group, LLC | 27,097 | $465.3K | 0.03% | −677−2.4% | Reduced |
| Dearborn Partners LLC | 28,579 | $490.7K | 0.03% | −21,929−43.4% | Reduced |
| Romano Brothers and Company | 29,700 | $509.9K | 0.05% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 30,881 | $530.2K | 0.02% | −12,071−28.1% | Reduced |
| Closed-End Fund Advisors, Inc. | 31,937 | $548.4K | 0.54% | +31,937 | New |
| Invesco Ltd. | 32,044 | $550.2K | 0.00% | +199+0.6% | Added |
| Dakota Wealth Management | 32,990 | $566.4K | 0.01% | −1,310−3.8% | Reduced |
| Buckingham Strategic Partners | 33,218 | $570.4K | 0.00% | +1,730+5.5% | Added |
| Wiley Bros.-Aintree Capital, LLC | 33,482 | $574.9K | 0.00% | −47,497−58.7% | Reduced |
| Squarepoint Ops LLC | 33,629 | $577.4K | 0.00% | +7,211+27.3% | Added |
| Guggenheim Capital LLC | 34,255 | $588.2K | 0.00% | +3,039+9.7% | Added |
| HighTower Advisors, LLC | 34,255 | $588.2K | 0.00% | +5,026+17.2% | Added |
| Foundations Investment Advisors, LLC | 34,836 | $598.1K | 0.01% | −12,922−27.1% | Reduced |
| Nations Financial Group Inc, | 34,996 | $600.9K | 0.03% | +1,829+5.5% | Added |
| Family Wealth Partners, LLC | 35,923 | $616.8K | 0.19% | +3,187+9.7% | Added |
| Platform Technology Partners | 35,975 | $617.7K | 0.10% | −469−1.3% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 36,216 | $621.8K | 0.02% | +22,356+161.3% | Added |
| Essex Financial Services, Inc. | 36,232 | $622.1K | 0.03% | −1,760−4.6% | Reduced |
| Northern Trust Corp | 36,587 | $628.2K | 0.00% | −472−1.3% | Reduced |
| Rockefeller Capital Management L.P. | 39,294 | $674.7K | 0.00% | −13,526−25.6% | Reduced |
| CI Private Wealth, LLC | 39,797 | $683.3K | 0.00% | −5,377−11.9% | Reduced |
| Canton Hathaway, LLC | 39,865 | $684.5K | 0.13% | −4,900−10.9% | Reduced |
| Park Circle Co | 40,145 | $689.7K | 0.61% | 00.0% | Unchanged |
| Whipplewood Advisors, LLC | 40,558 | $696.4K | 0.47% | +13,314+48.9% | Added |
| Diversify Wealth Management, LLC | 42,458 | $727.3K | 0.01% | +3,942+10.2% | Added |
| Diversify Advisory Services, LLC | 42,458 | $727.3K | 0.01% | +4,122+10.8% | Added |
| Ehrenkranz Partners L.P. | 43,015 | $738.6K | 0.43% | +5,541+14.8% | Added |
| Brown Advisory Inc | 46,502 | $798.4K | 0.00% | −1,928−4.0% | Reduced |
| Main Street Financial Solutions, LLC | 51,308 | $881.0K | 0.06% | +25,547+99.2% | Added |
| Tred Avon Family Wealth, LLC | 51,761 | $888.7K | 0.27% | −3,990−7.2% | Reduced |
| Toroso Investments, LLC | 53,219 | $913.8K | 0.00% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 54,584 | $937.2K | 0.02% | +5,239+10.6% | Added |
| Advisor Group Holdings, Inc. | 54,757 | $940.2K | 0.00% | +10,155+22.8% | Added |
| D. E. Shaw & Co., Inc. | 68,649 | $1.18M | 0.00% | −117,105−63.0% | Reduced |
| Cetera Investment Advisers | 68,660 | $1.18M | 0.00% | −529,688−88.5% | Reduced |
| Independent Financial Group, LLC | 69,176 | $1.19M | 0.02% | +3,635+5.5% | Added |
| HRT Financial LP | 70,164 | $1.20M | 0.00% | +70,164 | New |
| Royal Bank of Canada | 83,811 | $1.44M | 0.00% | −37,110−30.7% | Reduced |
| Lido Advisors, LLC | 87,574 | $1.50M | 0.01% | +35,420+67.9% | Added |
| Legacy Capital Wealth Partners, LLC | 90,379 | $1.55M | 0.30% | +15,581+20.8% | Added |
| AE Wealth Management LLC | 98,204 | $1.69M | 0.01% | +30,723+45.5% | Added |
| BNP Paribas Arbitrage, SA | 100,911 | $1.73M | 0.00% | +4,370+4.5% | Added |
| Envestnet Asset Management Inc | 101,008 | $1.73M | 0.00% | −538,382−84.2% | Reduced |
| Lifetime Wealth Management P.C. | 101,444 | $1.74M | 1.02% | +4,028+4.1% | Added |
| Ilex Capital Partners (UK) LLP | 105,198 | $1.81M | 0.04% | +105,198 | New |
| Ameriprise Financial Inc | 106,445 | $1.83M | 0.00% | −15,921−13.0% | Reduced |
| Two Sigma Investments, LP | 112,859 | $1.94M | 0.00% | −300,110−72.7% | Reduced |
| Delphi Financial Group, Inc. | 116,141 | $1.99M | 0.99% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 119,268 | $2.05M | 0.00% | −9,464−7.4% | Reduced |
| Plan Group Financial, LLC | 120,324 | $2.07M | 0.43% | +29,955+33.1% | Added |
| Wealthstar Advisors, LLC | 125,488 | $2.15M | 1.07% | −4,036−3.1% | Reduced |
| Ignite Planners, LLC | 128,218 | $2.21M | 0.30% | +16,339+14.6% | Added |
| State Street Corp | 135,070 | $2.32M | 0.00% | +20,449+17.8% | Added |
| Argent Trust Co | 135,564 | $2.33M | 0.07% | +5,743+4.4% | Added |
| Benjamin Edwards Inc | 138,093 | $2.37M | 0.02% | −35,463−20.4% | Reduced |
| Russell Investments Group, Ltd. | 138,765 | $2.38M | 0.00% | +3,852+2.9% | Added |
| Denali Advisors LLC | 139,187 | $2.39M | 0.24% | −5,695−3.9% | Reduced |
| IHT Wealth Management, LLC | 142,870 | $2.45M | 0.05% | +24,798+21.0% | Added |
| Riverbridge Partners LLC | 143,587 | $2.47M | 0.07% | −117−0.1% | Reduced |
| Atom Investors LP | 144,339 | $2.48M | 0.22% | −17,677−10.9% | Reduced |
| Waterloo Capital, L.P. | 144,406 | $2.48M | 0.14% | +3,529+2.5% | Added |
| Lazard Asset Management LLC | 149,679 | $2.57M | 0.00% | −3,177−2.1% | Reduced |
| Clayton Partners LLC | 150,280 | $2.58M | 1.70% | −9,276−5.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 150,572 | $2.59M | 0.00% | +90.0% | Added |
| Naviter Wealth, LLC | 151,189 | $2.60M | 0.24% | −8,917−5.6% | Reduced |
| Great West Life Assurance Co | 175,800 | $3.01M | 0.00% | +27,488+18.5% | Added |
| Texas Capital Bank Wealth Management Services Inc | 175,700 | $3.02M | 0.16% | +8,946+5.4% | Added |
| Parkwood LLC | 184,819 | $3.17M | 0.23% | 00.0% | Unchanged |
| Truvestments Capital LLC | 185,157 | $3.18M | 0.47% | +2,568+1.4% | Added |
| Lighthouse Investment Partners, LLC | 203,539 | $3.49M | 0.11% | +203,539 | New |
| Stifel Financial Corp | 207,043 | $3.55M | 0.00% | −543,711−72.4% | Reduced |
| D.A. Davidson & Co. | 210,672 | $3.62M | 0.02% | +10,078+5.0% | Added |
| Advisors Asset Management, Inc. | 210,833 | $3.62M | 0.06% | −9,359−4.3% | Reduced |