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 2026
Institutional positions in Sixth Street Specialty Lending, Inc. as of Mar 31, 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
- 260
- +8 vs. Q4 2025
- Shares held
- 52.1M
- +1.79M (+3.6%) vs. Q4 2025
- Total value
- $955.4M
- −$138.6M (−12.7%) vs. Q4 2025
- New holders
- 43
- 91 more added
- Sold out
- 35
- 75 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 44,602 | $820.1K | 0.00% | −9,772−18.0% | Reduced |
| Cornerstone Wealth Management, LLC | 43,318 | $796.2K | 0.04% | −3,775−8.0% | Reduced |
| Pallas Capital Advisors LLC | 42,952 | $789.5K | 0.03% | −303−0.7% | Reduced |
| ExodusPoint Capital Management, LP | 41,995 | $771.9K | 0.01% | +41,995 | New |
| Park Circle Co | 40,145 | $737.9K | 0.70% | 00.0% | Unchanged |
| Evoke Wealth, LLC | 39,858 | $732.6K | 0.01% | −10.0% | Reduced |
| Creative Planning | 39,692 | $729.5K | 0.00% | +355+0.9% | Added |
| Diversify Wealth Management, LLC | 38,516 | $729.5K | 0.01% | +38,516 | New |
| Diversify Advisory Services, LLC | 38,336 | $726.1K | 0.11% | −118−0.3% | Reduced |
| Essex Financial Services, Inc. | 37,992 | $698.3K | 0.04% | −1,530−3.9% | Reduced |
| Brevan Howard Capital Management LP | 37,598 | $691.1K | 0.01% | +37,598 | New |
| Ehrenkranz Partners L.P. | 37,474 | $688.8K | 0.54% | 00.0% | Unchanged |
| Texas Yale Capital Corp. | 37,376 | $687.0K | 0.02% | +500+1.4% | Added |
| Northern Trust Corp | 37,059 | $681.1K | 0.00% | −38,026−50.6% | Reduced |
| Platform Technology Partners | 36,444 | $669.8K | 0.13% | +2,000+5.8% | Added |
| HB Wealth Management, LLC | 34,516 | $634.4K | 0.00% | −41,235−54.4% | Reduced |
| Dakota Wealth Management | 34,300 | $630.4K | 0.01% | −4,560−11.7% | Reduced |
| Nations Financial Group Inc, | 33,167 | $609.6K | 0.03% | −2,580−7.2% | Reduced |
| Captrust Financial Advisors | 32,848 | $603.8K | 0.00% | −6,099−15.7% | Reduced |
| Ethos Financial Group, LLC | 27,774 | $603.3K | 0.04% | 00.0% | Unchanged |
| Family Wealth Partners, LLC | 32,736 | $600.8K | 0.21% | +7,869+31.6% | Added |
| Invesco Ltd. | 31,845 | $585.3K | 0.00% | −1,618−4.8% | Reduced |
| Buckingham Strategic Partners | 31,488 | $577.9K | 0.01% | +6,621+26.6% | Added |
| Guggenheim Capital LLC | 31,216 | $573.8K | 0.00% | +2,623+9.2% | Added |
| Romano Brothers and Company | 29,700 | $545.9K | 0.06% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 29,229 | $537.2K | 0.00% | −18,193−38.4% | Reduced |
| DRW Securities, LLC | 29,034 | $533.6K | 0.03% | +29,034 | New |
| Barnett & Company, Inc. | 27,850 | $511.9K | 0.40% | −1,400−4.8% | Reduced |
| Whipplewood Advisors, LLC | 27,244 | $500.7K | 0.26% | +17,428+177.5% | Added |
| Mariner, LLC | 26,981 | $495.9K | 0.00% | −5,161−16.1% | Reduced |
| Virtus Investment Advisers, Inc. | 26,629 | $489.4K | 0.14% | +1,601+6.4% | Added |
| Triad Investment Management | 26,602 | $488.9K | 0.58% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 26,418 | $485.6K | 0.00% | +11,371+75.6% | Added |
| Main Street Financial Solutions, LLC | 25,761 | $473.5K | 0.03% | +25,761 | New |
| Sage Investment Counsel LLC | 25,577 | $470.1K | 0.52% | +800+3.2% | Added |
| US Bancorp | 25,353 | $466.0K | 0.00% | +240+1.0% | Added |
| Merrion Investment Management Co, LLC | 25,000 | $459.5K | 0.25% | 00.0% | Unchanged |
| Jane Street Group, LLC | 24,658 | $453.2K | 0.00% | +10,862+78.7% | Added |
| Klein Pavlis & Peasley Financial, Inc. | 24,325 | $447.1K | 0.25% | +5,596+29.9% | Added |
| London & Capital Asset Management Ltd | 23,130 | $425.4K | 0.00% | +3,730+19.2% | Added |
| Chicago Partners Investment Group LLC | 21,852 | $413.7K | 0.01% | −1,160−5.0% | Reduced |
| Capstone Investment Advisors, LLC | 22,068 | $405.6K | 0.00% | +22,068 | New |
| Citadel Advisors LLC | 21,793 | $400.6K | 0.00% | +21,793 | New |
| Generali Investments CEE, investicni spolecnost, a.s. | 21,235 | $390.3K | 0.02% | 00.0% | Unchanged |
| Cornerstone Investment Partners, LLC | 20,884 | $383.8K | 0.02% | +20,884 | New |
| Silver Oak Securities, Inc | 20,521 | $377.2K | 0.03% | −1,346−6.2% | Reduced |
| Kovack Advisors, Inc. | 19,419 | $356.9K | 0.02% | −1,854−8.7% | Reduced |
| ProShare Advisors LLC | 19,118 | $351.4K | 0.00% | −193−1.0% | Reduced |
| Catalytic Wealth RIA, LLC | 19,116 | $351.4K | 0.01% | −2,754−12.6% | Reduced |
| Integrated Wealth Concepts LLC | 18,739 | $344.4K | 0.00% | +18,739 | New |
| Kestra Advisory Services, LLC | 18,710 | $343.9K | 0.00% | −12,160−39.4% | Reduced |
| Sargent Investment Group, LLC | 18,400 | $338.2K | 0.04% | −10,000−35.2% | Reduced |
| Maia Wealth LLC | 18,155 | $333.7K | 0.06% | +7,944+77.8% | Added |
| Monument Capital Management | 18,114 | $332.9K | 0.08% | −468−2.5% | Reduced |
| Clearstead Advisors, LLC | 18,000 | $330.8K | 0.00% | 00.0% | Unchanged |
| COFG Advisors, LLC | 17,708 | $325.5K | 0.08% | −12,053−40.5% | Reduced |
| Sanctuary Advisors, LLC | 17,184 | $315.8K | 0.00% | −1,488−8.0% | Reduced |
| Mutual Advisors, LLC | 16,800 | $308.8K | 0.01% | +16,800 | New |
| Mallini Complete Financial Planning LLC | 16,116 | $296.2K | 0.23% | +652+4.2% | Added |
| MQS Management LLC | 16,059 | $295.2K | 0.20% | +16,059 | New |
| Heritage Trust Co | 15,889 | $292.0K | 0.03% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 15,808 | $290.6K | 0.01% | −7,527−32.3% | Reduced |
| Kavar Capital Partners Group, LLC | 15,632 | $287.3K | 0.04% | +15,632 | New |
| Whalerock Point Partners, LLC | 15,498 | $284.8K | 0.05% | −4,240−21.5% | Reduced |
| Inspirion Wealth Advisors, LLC | 15,426 | $283.5K | 0.04% | 00.0% | Unchanged |
| GWM Advisors LLC | 15,331 | $281.8K | 0.00% | +3,887+34.0% | Added |
| First Affirmative Financial Network | 15,121 | $277.9K | 0.11% | +15,121 | New |
| Angeles Wealth Management, LLC | 15,000 | $275.7K | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 14,607 | $269.0K | 0.00% | −7,298−33.3% | Reduced |
| Pasadena Private Wealth, LLC | 14,289 | $262.6K | 0.04% | +1,500+11.7% | Added |
| Aquatic Capital Management LLC | 14,281 | $262.5K | 0.01% | −50,207−77.9% | Reduced |
| Steward Partners Investment Advisory, LLC | 14,086 | $258.9K | 0.00% | −239−1.7% | Reduced |
| Principal Street Partners, LLC | 13,945 | $256.3K | 0.04% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 13,860 | $254.7K | 0.01% | −20,389−59.5% | Reduced |
| Summit Financial, LLC | 13,711 | $252.0K | 0.00% | +13,711 | New |
| Indivisible Partners | 13,202 | $242.7K | 0.02% | +13,202 | New |
| Calton & Associates, Inc. | 13,193 | $242.5K | 0.03% | +13,193 | New |
| Bank of New York Mellon Corp | 13,139 | $241.5K | 0.00% | −4,336−24.8% | Reduced |
| Westmount Partners, LLC | 13,030 | $239.5K | 0.06% | 00.0% | Unchanged |
| Natixis | 12,624 | $232.0K | 0.00% | −12,625−50.0% | Reduced |
| Oppenheimer & Co Inc | 12,375 | $227.5K | 0.00% | +452+3.8% | Added |
| Prospera Financial Services Inc | 12,027 | $221.1K | 0.00% | +12,027 | New |
| Core Wealth Partners LLC | 11,668 | $214.5K | 0.10% | 00.0% | Unchanged |
| Laird Norton Trust Company, LLC | 11,467 | $210.8K | 0.00% | −47−0.4% | Reduced |
| Principle Wealth Partners LLC | 11,309 | $207.9K | 0.01% | +1,038+10.1% | Added |
| Investor's Fiduciary Advisor Network, LLC | 10,898 | $200.0K | 0.06% | −6,410−37.0% | Reduced |
| Private Advisor Group, LLC | 10,728 | $197.2K | 0.00% | −11,219−51.1% | Reduced |
| Worth Asset Management, LLC | 10,581 | $194.5K | 0.07% | −1,979−15.8% | Reduced |
| Miller Global Investments, LLC | 10,367 | $190.5K | 0.17% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 10,092 | $185.5K | 0.00% | +45+0.4% | Added |
| Caz Investments LP | 10,000 | $183.8K | 0.22% | +10,000 | New |
| Register Financial Advisors LLC | 9,125 | $167.7K | 0.06% | +23+0.3% | Added |
| Sunbelt Securities, Inc. | 8,478 | $155.8K | 0.01% | +8,478 | New |
| The PNC Financial Services Group, Inc. | 7,341 | $134.9K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 7,217 | $132.6K | 0.00% | +7,211+120,183.3% | Added |
| Simplex Trading, LLC | 6,590 | $121.1K | 0.00% | +6,590 | New |
| North Star Investment Management Corp. | 6,017 | $110.6K | 0.01% | +6,017 | New |
| Northwestern Mutual Wealth Management Co | 5,508 | $101.2K | 0.00% | +62+1.1% | Added |
| Vaughan Nelson Investment Management, L.P. | 5,350 | $98.3K | 0.00% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 5,235 | $96.2K | 0.02% | 00.0% | Unchanged |