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, Q4 2023
Institutional positions in Sixth Street Specialty Lending, Inc. as of Dec 31, 2023. 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
- 223
- +21 vs. Q3 2023
- Shares held
- 41.2M
- +1.95M (+5.0%) vs. Q3 2023
- Total value
- $889.5M
- +$87.8M (+10.9%) vs. Q3 2023
- New holders
- 39
- 81 more added
- Sold out
- 18
- 60 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HighTower Advisors, LLC | 28,442 | $613.0K | 0.00% | +60.0% | Added |
| Platform Technology Partners | 28,093 | $609.1K | 0.24% | +428+1.5% | Added |
| Northern Trust Corp | 27,609 | $596.4K | 0.00% | −29,645−51.8% | Reduced |
| Beacon Pointe Advisors, LLC | 26,973 | $582.6K | 0.01% | −996−3.6% | Reduced |
| Romano Brothers and Company | 26,700 | $576.7K | 0.09% | −45−0.2% | Reduced |
| US Bancorp | 26,398 | $570.2K | 0.00% | 00.0% | Unchanged |
| Northeast Financial Consultants Inc | 26,000 | $561.6K | 0.03% | 00.0% | Unchanged |
| Great West Life Assurance Co | 25,997 | $558.0K | 0.00% | −34,711−57.2% | Reduced |
| Merrion Investment Management Co, LLC | 25,000 | $540.0K | 0.42% | 00.0% | Unchanged |
| Rathbone Brothers plc | 24,951 | $538.9K | 0.00% | 00.0% | Unchanged |
| Alpha DNA Investment Management LLC | 24,903 | $537.9K | 0.32% | −2,723−9.9% | Reduced |
| Winton Group Ltd | 24,739 | $534.4K | 0.04% | +6,158+33.1% | Added |
| Texas Yale Capital Corp. | 24,500 | $529.2K | 0.03% | 00.0% | Unchanged |
| Barnett & Company, Inc. | 23,950 | $517.3K | 0.39% | +8,550+55.5% | Added |
| Quantbot Technologies LP | 23,750 | $513.0K | 0.03% | +17,225+264.0% | Added |
| Lido Advisors, LLC | 23,660 | $511.1K | 0.01% | +23,660 | New |
| Prevail Innovative Wealth Advisors, LLC | 23,290 | $503.1K | 0.24% | +23,290 | New |
| Guggenheim Capital LLC | 22,994 | $496.7K | 0.00% | +914+4.1% | Added |
| Parallel Advisors, LLC | 22,544 | $486.9K | 0.01% | +168+0.8% | Added |
| Eagle Global Advisors LLC | 22,200 | $479.5K | 0.03% | +3,310+17.5% | Added |
| Kestra Advisory Services, LLC | 22,176 | $479.0K | 0.00% | +7,261+48.7% | Added |
| Mach-1 Financial Group, Inc. | 22,144 | $478.3K | 0.18% | −2,325−9.5% | Reduced |
| Private Advisor Group, LLC | 20,086 | $433.9K | 0.00% | +20,086 | New |
| London & Capital Asset Management Ltd | 19,400 | $419.0K | 0.04% | 00.0% | Unchanged |
| Significant Wealth Partners LLC | 19,328 | $417.5K | 0.30% | +19,328 | New |
| Virtus ETF Advisers LLC | 18,543 | $400.5K | 0.25% | −10,064−35.2% | Reduced |
| IFG Advisory, LLC | 18,344 | $396.3K | 0.03% | +116+0.6% | Added |
| Wilbanks Smith & Thomas Asset Management LLC | 18,000 | $388.8K | 0.01% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 17,534 | $378.7K | 0.02% | +111+0.6% | Added |
| Belpointe Asset Management LLC | 17,377 | $375.4K | 0.03% | −98,312−85.0% | Reduced |
| Comerica Bank | 16,632 | $359.3K | 0.00% | +1,197+7.8% | Added |
| Inspirion Wealth Advisors, LLC | 15,426 | $333.0K | 0.06% | 00.0% | Unchanged |
| Cetera Advisors LLC | 14,950 | $322.9K | 0.00% | +2,135+16.7% | Added |
| Simplex Trading, LLC | 14,790 | $319.0K | 0.01% | +14,790 | New |
| Truvestments Capital LLC | 14,700 | $317.5K | 0.14% | +14,700 | New |
| Bank of New York Mellon Corp | 14,398 | $311.0K | 0.00% | −283,685−95.2% | Reduced |
| Citadel Advisors LLC | 13,560 | $292.9K | 0.00% | −26,880−66.5% | Reduced |
| Atria Wealth Solutions, Inc. | 13,195 | $285.0K | 0.00% | −4,985−27.4% | Reduced |
| Westmount Partners, LLC | 13,030 | $281.4K | 0.11% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 12,733 | $275.0K | 0.01% | +6,558+106.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 12,294 | $266.0K | 0.00% | −15,564−55.9% | Reduced |
| Stratos Wealth Partners, LTD. | 12,249 | $264.6K | 0.00% | +12,249 | New |
| XTX Topco Ltd | 12,113 | $261.6K | 0.06% | +12,113 | New |
| Worth Asset Management, LLC | 12,005 | $259.3K | 0.19% | +1,529+14.6% | Added |
| Aquatic Capital Management LLC | 11,900 | $257.0K | 0.01% | +10,900+1,090.0% | Added |
| Advisory Research Inc | 11,705 | $252.8K | 0.04% | −48,526−80.6% | Reduced |
| Core Wealth Partners LLC | 11,668 | $252.0K | 0.21% | 00.0% | Unchanged |
| Group One Trading, L.P. | 11,634 | $251.3K | 0.01% | +11,634 | New |
| ProShare Advisors LLC | 11,304 | $244.2K | 0.00% | −1,145−9.2% | Reduced |
| Natixis | 11,137 | $240.6K | 0.00% | +40.0% | Added |
| CAPROCK Group, Inc. | 11,014 | $237.9K | 0.02% | −2,440−18.1% | Reduced |
| Squarepoint Ops LLC | 10,542 | $227.7K | 0.00% | +10,542 | New |
| Centiva Capital, LP | 10,421 | $225.1K | 0.01% | −263−2.5% | Reduced |
| Whalerock Point Partners, LLC | 10,375 | $224.1K | 0.07% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 10,135 | $218.9K | 0.00% | +1,714+20.4% | Added |
| Millennium Management LLC | 9,770 | $211.0K | 0.00% | +9,770 | New |
| Precision Wealth Strategies, LLC | 9,493 | $205.0K | 0.20% | +9,493 | New |
| Mercer Global Advisors Inc | 9,391 | $203.0K | 0.00% | +9,391 | New |
| ExodusPoint Capital Management, LP | 9,388 | $203.0K | 0.00% | +9,388 | New |
| The PNC Financial Services Group, Inc. | 9,310 | $201.1K | 0.00% | −291−3.0% | Reduced |
| Register Financial Advisors LLC | 6,556 | $141.6K | 0.09% | +17+0.3% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 6,450 | $139.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 5,486 | $118.5K | 0.00% | +1,119+25.6% | Added |
| EMC Capital Management | 5,482 | $118.0K | 0.08% | 00.0% | Unchanged |
| Vaughan Nelson Investment Management, L.P. | 5,350 | $116.0K | 0.00% | 00.0% | Unchanged |
| Atlas Capital Advisors LLC | 5,115 | $110.5K | 0.02% | 00.0% | Unchanged |
| Frazier Financial Advisors, LLC | 4,814 | $104.0K | 0.09% | +4,814 | New |
| Advisory Services Network, LLC | 4,122 | $89.0K | 0.00% | +4,122 | New |
| Security National Bank | 3,171 | $68.5K | 0.02% | +3,171 | New |
| Cape Investment Advisory, Inc. | 2,989 | $64.6K | 0.03% | +2,989 | New |
| Coppell Advisory Solutions LLC | 2,689 | $58.1K | 0.01% | +344+14.7% | Added |
| Tower Research Capital LLC (TRC) | 2,281 | $49.3K | 0.00% | +1,944+576.9% | Added |
| Whittier Trust Co | 2,200 | $47.5K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 2,000 | $43.2K | 0.00% | 00.0% | Unchanged |
| FIL Ltd | 1,790 | $38.7K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 1,670 | $36.4K | 0.00% | +1,670 | New |
| Citigroup Inc | 1,593 | $34.4K | 0.00% | +886+125.3% | Added |
| Geneos Wealth Management Inc. | 1,525 | $32.9K | 0.00% | −6,090−80.0% | Reduced |
| Community Bank, N.A. | 1,500 | $32.4K | 0.00% | +500+50.0% | Added |
| EverSource Wealth Advisors, LLC | 1,449 | $31.3K | 0.00% | −394−21.4% | Reduced |
| Armstrong Advisory Group, Inc | 1,362 | $29.4K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,326 | $28.6K | 0.00% | +1+0.1% | Added |
| Acadian Asset Management LLC | 1,327 | $28.0K | 0.00% | +171+14.8% | Added |
| Beacon Capital Management, LLC | 1,120 | $22.9K | 0.01% | 00.0% | Unchanged |
| First Community Trust NA | 1,040 | $22.5K | 0.02% | 00.0% | Unchanged |
| Huntington National Bank | 1,001 | $21.6K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 1,000 | $21.6K | 0.00% | +1,000 | New |
| St Germain D J Co Inc | 948 | $20.5K | 0.00% | +948 | New |
| CWM, LLC | 903 | $19.0K | 0.00% | +7+0.8% | Added |
| Global Retirement Partners, LLC | 857 | $18.5K | 0.00% | +857 | New |
| O'Dell Group, LLC | 800 | $17.3K | 0.00% | +800 | New |
| First Horizon Advisors, Inc. | 753 | $16.3K | 0.00% | +753 | New |
| Bartlett & Co. Wealth Management LLC | 700 | $15.7K | 0.00% | +700 | New |
| Private Trust Co NA | 704 | $15.2K | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. LLC | 700 | $15.0K | 0.00% | +700 | New |
| Quadrant Capital Group LLC | 579 | $12.5K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 563 | $12.2K | 0.00% | +15+2.7% | Added |
| Tradition Wealth Management, LLC | 500 | $11.0K | 0.00% | 00.0% | Unchanged |
| AllSquare Wealth Management LLC | 500 | $10.8K | 0.01% | 00.0% | Unchanged |
| Macroview Investment Management LLC | 476 | $10.3K | 0.01% | −52−9.8% | Reduced |