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Sixth Street Specialty Lending (TSLX) Institutional Ownership

Sixth Street Specialty Lending logo
$18.80 +0.03 (+0.16%)
As of 08/21/2026 03:58 PM Eastern

Institutional Ownership Changes (13F Filings) for Sixth Street Specialty Lending (NYSE:TSLX)

Current
Institutional Ownership
Percentage
70.25%
Number of
Institutional Buyers
(last 12 months)
159
Total
Institutional Inflows
(last 12 months)
$673.44M
Number of
Institutional Sellers
(last 12 months)
86
Total
Institutional Outflows
(last 12 months)
$67.22M
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TSLX Institutional Buying and Selling by Quarter

Sixth Street Specialty Lending Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/20/2026 Rivernorth Capital Management LLC969,599$16.65M0.8%+233.2%1.020%
8/20/2026 Benjamin Edwards Inc.138,093$2.37M0.0%-20.4%0.145%
8/19/2026 Van ECK Associates Corp2,366,266$40.63M0.0%+28.1%2.490%
8/18/2026 Beacon Pointe Advisors LLC19,616$337K0.0%N/A0.021%
8/18/2026 Dearborn Partners LLC28,579$491K0.0%N/A0.030%
8/18/2026 Lifetime Wealth Management P.C.101,444$1.74M1.0%N/A0.107%
8/18/2026 Melia Wealth LLC486,337$8.35M4.8%N/A0.512%
8/17/2026 Corient Private Wealth LP45,470$781K0.0%N/A0.048%
8/17/2026 Bank of America Corp DE764,474$13.13M0.0%N/A0.805%
8/14/2026 Kapitalo Investimentos Ltda20,080$345K0.0%N/A0.021%
8/14/2026 Legal & General Group Plc787,794$13.53M0.0%N/A0.829%
8/14/2026 Dearborn Partners LLC50,508$928K0.0%N/A0.053%
8/13/2026 Osbon Capital Management LLC13,489$232K0.2%N/A0.014%
8/13/2026 OMERS ADMINISTRATION Corp2,012,327$34.55M0.2%N/A2.118%
8/13/2026 Sanctuary Advisors LLC17,019$292K0.0%N/A0.018%
8/13/2026 Burk Holdings LLC2,952$51K0.0%N/A0.003%
8/12/2026 Greenland Capital Management LP13,000$223K0.0%N/A0.014%
8/12/2026 Northwestern Mutual Wealth Management Co.5,568$96K0.0%N/A0.006%
8/11/2026 Advisors Capital Management LLC864,107$14.84M0.2%N/A0.909%
8/11/2026 Pasadena Private Wealth LLC14,789$254K0.0%N/A0.016%
8/11/2026 Frazier Financial Advisors LLC4,814$83K0.0%N/A0.005%
8/10/2026 Denali Advisors LLC139,187$2.39M0.2%-3.9%0.146%
8/10/2026 Diversify Advisory Services LLC42,458$727K0.0%N/A0.045%
8/8/2026 Main Street Financial Solutions LLC51,308$881K0.1%+99.2%0.054%
8/7/2026 Texas Capital Bank Wealth Management Services Inc175,700$3.02M0.2%N/A0.185%
8/7/2026 BlackRock Inc.435,903$7.48M0.0%N/A0.459%
8/7/2026 Pallas Capital Advisors LLC30,881$530K0.0%N/A0.032%
8/7/2026 Principle Wealth Partners LLC11,309$194K0.0%N/A0.012%
8/6/2026 Global Retirement Partners LLC8,068$139K0.0%N/A0.008%
8/6/2026 SCS Capital Management LLC692,199$11.89M0.1%N/A0.728%
8/6/2026 Bank of New York Mellon Corp11,115$191K0.0%N/A0.012%
8/6/2026 Focus Partners Advisor Solutions LLC33,218$570K0.0%N/A0.035%
8/3/2026 Plan Group Financial LLC120,324$2.07M0.4%N/A0.127%
7/10/2026 Family Wealth Partners LLC35,923$617K0.2%+9.7%0.038%
7/9/2026 Hennion & Walsh Asset Management Inc.36,216$622K0.0%+161.3%0.038%
7/8/2026 Mallini Complete Financial Planning LLC14,416$248K0.2%-10.5%0.015%
7/1/2026 Confluence Investment Management LLC211,954$3.64M0.1%+2.0%0.223%
6/3/2026 Parallel Advisors LLC15,808$291K0.0%-32.3%0.017%
6/3/2026 NewEdge Advisors LLC15,331$282K0.0%+34.0%0.016%
5/20/2026 RMR Capital Management LLC252,808$4.65M3.4%+27.9%0.266%
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5/19/2026 Bank of America Corp DE735,726$13.52M0.0%-2.2%0.774%
5/18/2026Sunbelt Securities Inc.8,478$156K0.0%N/A0.009%
5/18/2026 Rivernorth Capital Management LLC290,953$5.35M0.3%N/A0.306%
5/18/2026 Royal Bank of Canada120,921$2.22M0.0%-22.4%0.127%
5/16/2026 The Manufacturers Life Insurance Company246,378$4.53M0.0%+6.8%0.259%
5/16/2026 Lazard Asset Management LLC152,856$2.81M0.0%N/A0.161%
5/15/2026 OMERS ADMINISTRATION Corp1,961,813$36.06M0.2%+318.2%2.065%
5/15/2026 Callodine Capital Management LP1,129,520$20.76M1.5%+2.5%1.189%
5/14/2026 GC Wealth Management RIA LLC19,116$351K0.0%-12.6%0.020%
5/14/2026 Lido Advisors LLC52,154$959K0.0%+23.7%0.055%
5/13/2026 Cetera Investment Advisers598,348$11.00M0.0%+0.8%0.630%
5/7/2026 Parallel Advisors LLC15,808$291K0.0%-32.3%0.017%
5/6/2026 Independent Financial Group LLC60,591$1.11M0.0%N/A0.064%
5/5/2026 D.A. Davidson & CO.200,594$3.69M0.0%+4.7%0.211%
5/5/2026 Bank of New York Mellon Corp13,139$241K0.0%-24.8%0.014%
5/5/2026 Sanctuary Advisors LLC17,184$316K0.0%-8.0%0.018%
5/4/2026 Chicago Partners Investment Group LLC21,852$414K0.0%-5.0%0.023%
5/2/2026 Diversify Wealth Management LLC38,516$729K0.0%N/A0.041%
5/1/2026 Fifth Third Bancorp3,444$63K0.0%N/A0.004%
5/1/2026 Barnett & Company Inc.27,850$512K0.4%-4.8%0.029%
4/30/2026 Whipplewood Advisors LLC27,244$501K0.3%+177.5%0.029%
4/30/2026 Kestra Advisory Services LLC18,710$344K0.0%-39.4%0.020%
4/30/2026 Sumitomo Mitsui Trust Group Inc.770,173$14.16M0.0%+3.9%0.811%
4/30/2026 Quantum Portfolio Management LLC14,876,741$273.43M2.9%N/A15.656%
4/27/2026 HB Wealth Management LLC34,516$634K0.0%-54.4%0.036%
4/27/2026 Private Advisor Group LLC10,728$197K0.0%-51.1%0.011%
4/27/2026 Platform Technology Partners36,444$670K0.1%+5.8%0.038%
4/27/2026 Sound Income Strategies LLC2,571,052$46.56M2.2%+2.4%2.706%
4/25/2026 Strs Ohio4,347,710$79.91M0.3%+101.8%4.576%
4/25/2026 Sage Investment Counsel LLC25,577$470K0.5%+3.2%0.027%
4/24/2026 Essex Financial Services Inc.37,992$698K0.0%-3.9%0.040%
4/24/2026 Canton Hathaway LLC44,765$823K0.2%-3.8%0.047%
4/24/2026 MQS Management LLC16,059$295K0.2%N/A0.017%
4/23/2026 Klein Pavlis & Peasley Financial Inc.24,325$447K0.2%+29.9%0.026%
4/23/2026 Lansforsakringar Fondforvaltning AB publ84,040$1.55M0.0%+28.3%0.088%
4/23/2026 North Star Investment Management Corp.6,017$111K0.0%N/A0.006%
4/23/2026 Tred Avon Family Wealth LLC55,751$1.03M0.3%+26.6%0.059%
4/23/2026 Pasadena Private Wealth LLC14,289$263K0.0%+11.7%0.015%
4/22/2026 Janney Montgomery Scott LLC206,551$3.80M0.0%-8.2%0.217%
4/22/2026 Union Bancaire Privee UBP SA3,482$62K0.0%-76.8%0.004%
4/21/2026 Columbus Macro LLC549,170$10.09M1.1%+0.4%0.578%
4/21/2026 Silver Oak Securities Incorporated20,521$377K0.0%-6.2%0.022%
4/18/2026 Riverbridge Partners LLC143,704$2.64M0.1%+59.8%0.151%
4/17/2026 Worth Asset Management LLC10,581$194K0.1%-15.8%0.011%
4/17/2026 Ocean Park Asset Management LLC32,736$601K0.0%N/A0.034%
4/16/2026 Kavar Capital Partners Group LLC15,632$287K0.0%N/A0.016%
4/15/2026 Nations Financial Group Inc. IA ADV33,167$610K0.0%-7.2%0.035%
3/17/2026 Rockefeller Capital Management L.P.148,369$3.22M0.0%-28.0%0.157%
3/9/2026 Corient Private Wealth LLC78,237$1.70M0.0%+16.0%0.083%
3/9/2026 EMC Capital Management5,202$113K0.1%-15.0%0.005%
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2/19/2026 Invesco Ltd.33,463$727K0.0%-2.0%0.035%
2/19/2026 Corient Private Wealth LLC78,237$1.70M0.0%+16.0%0.083%
2/18/2026 Beacon Pointe Advisors LLC62,519$1.36M0.0%+23.8%0.066%
2/18/2026 NewEdge Advisors LLC11,444$249K0.0%-8.4%0.012%
2/18/2026 Empowered Funds LLC6,856$149K0.0%-24.7%0.007%
2/18/2026 XTX Topco Ltd21,889$475K0.0%N/A0.023%
2/18/2026 Virtus Investment Advisers LLC25,028$544K0.1%-7.3%0.026%
2/18/2026 Millennium Management LLC34,236$744K0.0%N/A0.036%
2/18/2026 IHT Wealth Management LLC110,074$2.39M0.1%+2.1%0.116%
2/18/2026 Clayton Partners LLC178,121$3.87M2.7%+29.9%0.188%


TSLX Institutional Ownership - Frequently Asked Questions

During the previous two years, 257 institutional investors and hedge funds held shares of Sixth Street Specialty Lending. The most heavily invested institutionals were Quantum Portfolio Management LLC ($273.43M), Strs Ohio ($79.91M), Progeny 3 Inc. ($58.96M), Burgundy Asset Management Ltd. ($57.75M), Bank of Montreal Can ($49.63M), Sound Income Strategies LLC ($46.56M), and Van ECK Associates Corp ($40.63M).Learn more on Sixth Street Specialty Lending's institutional investors.

70.25% of Sixth Street Specialty Lending's stock is owned by institutional investors. Learn more on TSLX's institutional investor holdings.

Of the 231 institutional investors that purchased Sixth Street Specialty Lending's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Quantum Portfolio Management LLC ($14.88M), Strs Ohio ($5.80M), OMERS ADMINISTRATION Corp ($3.97M), Bank of Montreal Can ($2.17M), Raymond James Financial Inc. ($1.70M), SCS Capital Management LLC ($1.33M), and Van ECK Associates Corp ($1.15M).

Institutional investors have bought a total of 35,542,456 shares in the last 24 months. This purchase volume represents approximately $673.44M in transactions.

Of the 86 institutional investors that sold Sixth Street Specialty Lending's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Strs Ohio ($1.07M), LSV Asset Management ($264.35K), Callodine Capital Management LP ($193.39K), Van ECK Associates Corp ($187.14K), Royal Bank of Canada ($165.53K), Atom Investors LP ($80.59K), and Denali Advisors LLC ($64.24K).

Institutional investors have sold a total of 3,040,139 shares in the last 24 months. This volume of shares sold represents approximately $67.22M in transactions.



Institutional ownership data for NYSE:TSLX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/20/2026. New 13F filings are added each quarter as they're published.
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