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Sixth Street Specialty Lending (TSLX) Institutional Ownership

Sixth Street Specialty Lending logo
$18.05 -0.29 (-1.58%)
Closing price 09/30/2026 03:59 PM Eastern
Extended Trading
$18.02 -0.04 (-0.19%)
As of 05:49 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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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)
161
Total
Institutional Inflows
(last 12 months)
$675.00M
Number of
Institutional Sellers
(last 12 months)
87
Total
Institutional Outflows
(last 12 months)
$67.88M
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TSLX Institutional Buying and Selling by Quarter

Sixth Street Specialty Lending Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Sequoia Financial Advisors LLC11,673$200K0.0%N/A0.012%
9/9/2026Triad Investment Management14,080$242K0.3%-47.1%0.015%
9/9/2026NewEdge Advisors LLC13,142$226K0.0%-14.3%0.014%
9/9/2026Ehrenkranz Partners L.P.43,015$739K0.4%+14.8%0.045%
9/9/2026IFP Advisors Inc305,604$5.25M0.1%+30.6%0.322%
9/9/2026Squarepoint Ops LLC33,629$577K0.0%+27.3%0.035%
8/27/2026Corient Private Wealth LP39,797$683K0.0%-11.9%0.042%
8/26/2026HighTower Advisors LLC34,255$588K0.0%+17.2%0.036%
8/23/2026Greenland Capital Management LP13,000$223K0.0%N/A0.014%
8/23/2026HB Wealth Management LLC13,421$230K0.0%-61.1%0.014%
8/20/2026Rivernorth Capital Management LLC969,599$16.65M0.8%+233.2%1.020%
8/20/2026Benjamin Edwards Inc.138,093$2.37M0.0%-20.4%0.145%
8/19/2026Van ECK Associates Corp2,366,266$40.63M0.0%+28.1%2.490%
8/18/2026Beacon Pointe Advisors LLC19,616$337K0.0%N/A0.021%
8/18/2026Dearborn Partners LLC28,579$491K0.0%N/A0.030%
8/18/2026Lifetime Wealth Management P.C.101,444$1.74M1.0%N/A0.107%
8/18/2026Melia Wealth LLC486,337$8.35M4.8%N/A0.512%
8/17/2026Corient Private Wealth LP45,470$781K0.0%N/A0.048%
8/17/2026Bank of America Corp DE764,474$13.13M0.0%N/A0.805%
8/14/2026Kapitalo Investimentos Ltda20,080$345K0.0%N/A0.021%
8/14/2026Legal & General Group Plc787,794$13.53M0.0%N/A0.829%
8/14/2026Dearborn Partners LLC50,508$928K0.0%N/A0.053%
8/13/2026Osbon Capital Management LLC13,489$232K0.2%N/A0.014%
8/13/2026OMERS ADMINISTRATION Corp2,012,327$34.55M0.2%N/A2.118%
8/13/2026Sanctuary Advisors LLC17,019$292K0.0%N/A0.018%
8/13/2026Burk Holdings LLC2,952$51K0.0%N/A0.003%
8/12/2026Greenland Capital Management LP13,000$223K0.0%N/A0.014%
8/12/2026Northwestern Mutual Wealth Management Co.5,568$96K0.0%N/A0.006%
8/11/2026Advisors Capital Management LLC864,107$14.84M0.2%N/A0.909%
8/11/2026Pasadena Private Wealth LLC14,789$254K0.0%N/A0.016%
8/11/2026Frazier Financial Advisors LLC4,814$83K0.0%N/A0.005%
8/10/2026Denali Advisors LLC139,187$2.39M0.2%-3.9%0.146%
8/10/2026Diversify Advisory Services LLC42,458$727K0.0%N/A0.045%
8/8/2026Main Street Financial Solutions LLC51,308$881K0.1%+99.2%0.054%
8/7/2026Texas Capital Bank Wealth Management Services Inc175,700$3.02M0.2%N/A0.185%
8/7/2026BlackRock Inc.435,903$7.48M0.0%N/A0.459%
8/7/2026Pallas Capital Advisors LLC30,881$530K0.0%N/A0.032%
8/7/2026Principle Wealth Partners LLC11,309$194K0.0%N/A0.012%
8/6/2026Global Retirement Partners LLC8,068$139K0.0%N/A0.008%
8/6/2026SCS Capital Management LLC692,199$11.89M0.1%N/A0.728%
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8/6/2026Bank of New York Mellon Corp11,115$191K0.0%N/A0.012%
8/6/2026Focus Partners Advisor Solutions LLC33,218$570K0.0%N/A0.035%
8/3/2026Plan Group Financial LLC120,324$2.07M0.4%N/A0.127%
7/10/2026Family Wealth Partners LLC35,923$617K0.2%+9.7%0.038%
7/9/2026Hennion & Walsh Asset Management Inc.36,216$622K0.0%+161.3%0.038%
7/8/2026Mallini Complete Financial Planning LLC14,416$248K0.2%-10.5%0.015%
7/1/2026Confluence Investment Management LLC211,954$3.64M0.1%+2.0%0.223%
6/3/2026Parallel Advisors LLC15,808$291K0.0%-32.3%0.017%
6/3/2026NewEdge Advisors LLC15,331$282K0.0%+34.0%0.016%
5/20/2026RMR Capital Management LLC252,808$4.65M3.4%+27.9%0.266%
5/19/2026Bank of America Corp DE735,726$13.52M0.0%-2.2%0.774%
5/18/2026Sunbelt Securities Inc.8,478$156K0.0%N/A0.009%
5/18/2026Rivernorth Capital Management LLC290,953$5.35M0.3%N/A0.306%
5/18/2026Royal Bank of Canada120,921$2.22M0.0%-22.4%0.127%
5/16/2026The Manufacturers Life Insurance Company246,378$4.53M0.0%+6.8%0.259%
5/16/2026Lazard Asset Management LLC152,856$2.81M0.0%N/A0.161%
5/15/2026OMERS ADMINISTRATION Corp1,961,813$36.06M0.2%+318.2%2.065%
5/15/2026Callodine Capital Management LP1,129,520$20.76M1.5%+2.5%1.189%
5/14/2026GC Wealth Management RIA LLC19,116$351K0.0%-12.6%0.020%
5/14/2026Lido Advisors LLC52,154$959K0.0%+23.7%0.055%
5/13/2026Cetera Investment Advisers598,348$11.00M0.0%+0.8%0.630%
5/7/2026Parallel Advisors LLC15,808$291K0.0%-32.3%0.017%
5/6/2026Independent Financial Group LLC60,591$1.11M0.0%N/A0.064%
5/5/2026D.A. Davidson & CO.200,594$3.69M0.0%+4.7%0.211%
5/5/2026Bank of New York Mellon Corp13,139$241K0.0%-24.8%0.014%
5/5/2026Sanctuary Advisors LLC17,184$316K0.0%-8.0%0.018%
5/4/2026Chicago Partners Investment Group LLC21,852$414K0.0%-5.0%0.023%
5/2/2026Diversify Wealth Management LLC38,516$729K0.0%N/A0.041%
5/1/2026Fifth Third Bancorp3,444$63K0.0%N/A0.004%
5/1/2026Barnett & Company Inc.27,850$512K0.4%-4.8%0.029%
4/30/2026Whipplewood Advisors LLC27,244$501K0.3%+177.5%0.029%
4/30/2026Kestra Advisory Services LLC18,710$344K0.0%-39.4%0.020%
4/30/2026Sumitomo Mitsui Trust Group Inc.770,173$14.16M0.0%+3.9%0.811%
4/30/2026Quantum Portfolio Management LLC14,876,741$273.43M2.9%N/A15.656%
4/27/2026HB Wealth Management LLC34,516$634K0.0%-54.4%0.036%
4/27/2026Private Advisor Group LLC10,728$197K0.0%-51.1%0.011%
4/27/2026Platform Technology Partners36,444$670K0.1%+5.8%0.038%
4/27/2026Sound Income Strategies LLC2,571,052$46.56M2.2%+2.4%2.706%
4/25/2026Strs Ohio4,347,710$79.91M0.3%+101.8%4.576%
4/25/2026Sage Investment Counsel LLC25,577$470K0.5%+3.2%0.027%
4/24/2026Essex Financial Services Inc.37,992$698K0.0%-3.9%0.040%
4/24/2026Canton Hathaway LLC44,765$823K0.2%-3.8%0.047%
4/24/2026MQS Management LLC16,059$295K0.2%N/A0.017%
4/23/2026Klein Pavlis & Peasley Financial Inc.24,325$447K0.2%+29.9%0.026%
4/23/2026Lansforsakringar Fondforvaltning AB publ84,040$1.55M0.0%+28.3%0.088%
4/23/2026North Star Investment Management Corp.6,017$111K0.0%N/A0.006%
4/23/2026Tred Avon Family Wealth LLC55,751$1.03M0.3%+26.6%0.059%
4/23/2026Pasadena Private Wealth LLC14,289$263K0.0%+11.7%0.015%
4/22/2026Janney Montgomery Scott LLC206,551$3.80M0.0%-8.2%0.217%
4/22/2026Union Bancaire Privee UBP SA3,482$62K0.0%-76.8%0.004%
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4/21/2026Columbus Macro LLC549,170$10.09M1.1%+0.4%0.578%
4/21/2026Silver Oak Securities Incorporated20,521$377K0.0%-6.2%0.022%
4/18/2026Riverbridge Partners LLC143,704$2.64M0.1%+59.8%0.151%
4/17/2026Worth Asset Management LLC10,581$194K0.1%-15.8%0.011%
4/17/2026Ocean Park Asset Management LLC32,736$601K0.0%N/A0.034%
4/16/2026Kavar Capital Partners Group LLC15,632$287K0.0%N/A0.016%
4/15/2026Nations Financial Group Inc. IA ADV33,167$610K0.0%-7.2%0.035%
3/17/2026Rockefeller Capital Management L.P.148,369$3.22M0.0%-28.0%0.157%
3/9/2026Corient Private Wealth LLC78,237$1.70M0.0%+16.0%0.083%
3/9/2026EMC Capital Management5,202$113K0.1%-15.0%0.005%


TSLX Institutional Ownership - Frequently Asked Questions

During the previous two years, 258 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 232 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 35,640,186 shares in the last 24 months. This purchase volume represents approximately $675.00M in transactions.

Of the 87 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 3,079,236 shares in the last 24 months. This volume of shares sold represents approximately $67.88M in transactions.


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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 9/9/2026. New 13F filings are added each quarter as they're published.
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