Sixth Street Specialty Lending (TSLX) Institutional Ownership

$18.02 +0.79 (+4.56%)

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Current Institutional Ownership Percentage: 70.25%
Number of Institutional Buyers (last 12 months): 172
Total Institutional Inflows (last 12 months): $584.61M

Number of Institutional Sellers (last 12 months): 101
Total Institutional Outflows (last 12 months): $92.47M

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TSLX Institutional Buying and Selling by Quarter

Sixth Street Specialty Lending Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/20/2026	RMR Capital Management LLC	252,808	$4.65M	3.4%	+27.9%	0.266%
5/19/2026	Bank of America Corp DE	735,726	$13.52M	0.0%	-2.2%	0.774%
5/18/2026	Sunbelt Securities Inc.	8,478	$156K	0.0%	N/A	0.009%
5/18/2026	Rivernorth Capital Management LLC	290,953	$5.35M	0.3%	N/A	0.306%
5/18/2026	Royal Bank of Canada	120,921	$2.22M	0.0%	-22.4%	0.127%
5/16/2026	The Manufacturers Life Insurance Company	246,378	$4.53M	0.0%	+6.8%	0.259%
5/16/2026	Lazard Asset Management LLC	152,856	$2.81M	0.0%	N/A	0.161%
5/15/2026	OMERS ADMINISTRATION Corp	1,961,813	$36.06M	0.2%	+318.2%	2.065%
5/15/2026	Callodine Capital Management LP	1,129,520	$20.76M	1.5%	+2.5%	1.189%
5/14/2026	GC Wealth Management RIA LLC	19,116	$351K	0.0%	-12.6%	0.020%
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5/14/2026	Lido Advisors LLC	52,154	$959K	0.0%	+23.7%	0.055%
5/13/2026	Cetera Investment Advisers	598,348	$11.00M	0.0%	+0.8%	0.630%
5/7/2026	Parallel Advisors LLC	15,808	$291K	0.0%	-32.3%	0.017%
5/6/2026	Independent Financial Group LLC	60,591	$1.11M	0.0%	N/A	0.064%
5/5/2026	D.A. Davidson & CO.	200,594	$3.69M	0.0%	+4.7%	0.211%
5/5/2026	Bank of New York Mellon Corp	13,139	$241K	0.0%	-24.8%	0.014%
5/5/2026	Sanctuary Advisors LLC	17,184	$316K	0.0%	-8.0%	0.018%
5/4/2026	Chicago Partners Investment Group LLC	21,852	$414K	0.0%	-5.0%	0.023%
5/2/2026	Diversify Wealth Management LLC	38,516	$729K	0.0%	N/A	0.041%
5/1/2026	Fifth Third Bancorp	3,444	$63K	0.0%	N/A	0.004%
5/1/2026	Barnett & Company Inc.	27,850	$512K	0.4%	-4.8%	0.029%
4/30/2026	Whipplewood Advisors LLC	27,244	$501K	0.3%	+177.5%	0.029%
4/30/2026	Kestra Advisory Services LLC	18,710	$344K	0.0%	-39.4%	0.020%
4/30/2026	Sumitomo Mitsui Trust Group Inc.	770,173	$14.16M	0.0%	+3.9%	0.811%
4/30/2026	Quantum Portfolio Management LLC	14,876,741	$273.43M	2.9%	N/A	15.656%
4/27/2026	HB Wealth Management LLC	34,516	$634K	0.0%	-54.4%	0.036%
4/27/2026	Private Advisor Group LLC	10,728	$197K	0.0%	-51.1%	0.011%
4/27/2026	Platform Technology Partners	36,444	$670K	0.1%	+5.8%	0.038%
4/27/2026	Sound Income Strategies LLC	2,571,052	$46.56M	2.2%	+2.4%	2.706%
4/25/2026	Strs Ohio	4,347,710	$79.91M	0.3%	+101.8%	4.576%
4/25/2026	Sage Investment Counsel LLC	25,577	$470K	0.5%	+3.2%	0.027%
4/24/2026	Essex Financial Services Inc.	37,992	$698K	0.0%	-3.9%	0.040%
4/24/2026	Canton Hathaway LLC	44,765	$823K	0.2%	-3.8%	0.047%
4/24/2026	MQS Management LLC	16,059	$295K	0.2%	N/A	0.017%
4/23/2026	Klein Pavlis & Peasley Financial Inc.	24,325	$447K	0.2%	+29.9%	0.026%
4/23/2026	Lansforsakringar Fondforvaltning AB publ	84,040	$1.55M	0.0%	+28.3%	0.088%
4/23/2026	North Star Investment Management Corp.	6,017	$111K	0.0%	N/A	0.006%
4/23/2026	Tred Avon Family Wealth LLC	55,751	$1.03M	0.3%	+26.6%	0.059%
4/23/2026	Pasadena Private Wealth LLC	14,289	$263K	0.0%	+11.7%	0.015%
4/22/2026	Janney Montgomery Scott LLC	206,551	$3.80M	0.0%	-8.2%	0.217%
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4/22/2026	Union Bancaire Privee UBP SA	3,482	$62K	0.0%	-76.8%	0.004%
4/21/2026	Columbus Macro LLC	549,170	$10.09M	1.1%	+0.4%	0.578%
4/21/2026	Silver Oak Securities Incorporated	20,521	$377K	0.0%	-6.2%	0.022%
4/18/2026	Riverbridge Partners LLC	143,704	$2.64M	0.1%	+59.8%	0.151%
4/17/2026	Worth Asset Management LLC	10,581	$194K	0.1%	-15.8%	0.011%
4/17/2026	Ocean Park Asset Management LLC	32,736	$601K	0.0%	N/A	0.034%
4/16/2026	Kavar Capital Partners Group LLC	15,632	$287K	0.0%	N/A	0.016%
4/15/2026	Nations Financial Group Inc. IA ADV	33,167	$610K	0.0%	-7.2%	0.035%
3/17/2026	Rockefeller Capital Management L.P.	148,369	$3.22M	0.0%	-28.0%	0.157%
3/9/2026	Corient Private Wealth LLC	78,237	$1.70M	0.0%	+16.0%	0.083%
3/9/2026	EMC Capital Management	5,202	$113K	0.1%	-15.0%	0.005%
2/19/2026	Invesco Ltd.	33,463	$727K	0.0%	-2.0%	0.035%
2/19/2026	Corient Private Wealth LLC	78,237	$1.70M	0.0%	+16.0%	0.083%
2/18/2026	Beacon Pointe Advisors LLC	62,519	$1.36M	0.0%	+23.8%	0.066%
2/18/2026	NewEdge Advisors LLC	11,444	$249K	0.0%	-8.4%	0.012%
2/18/2026	Empowered Funds LLC	6,856	$149K	0.0%	-24.7%	0.007%
2/18/2026	XTX Topco Ltd	21,889	$475K	0.0%	N/A	0.023%
2/18/2026	Virtus Investment Advisers LLC	25,028	$544K	0.1%	-7.3%	0.026%
2/18/2026	Millennium Management LLC	34,236	$744K	0.0%	N/A	0.036%
2/18/2026	IHT Wealth Management LLC	110,074	$2.39M	0.1%	+2.1%	0.116%
2/18/2026	Clayton Partners LLC	178,121	$3.87M	2.7%	+29.9%	0.188%
2/18/2026	Balyasny Asset Management L.P.	16,038	$348K	0.0%	N/A	0.017%
2/18/2026	Altshuler Shaham Ltd	301,460	$6.55M	0.1%	N/A	0.319%
2/17/2026	Guggenheim Capital LLC	28,593	$621K	0.0%	+6.5%	0.030%
2/17/2026	Cetera Investment Advisers	593,881	$12.90M	0.0%	+6.4%	0.627%
2/17/2026	Kovack Advisors Inc.	21,273	$462K	0.0%	N/A	0.022%
2/17/2026	Calydon Capital	13,945	$303K	0.1%	-4.3%	0.015%
2/17/2026	Price T Rowe Associates Inc. MD	21,905	$476K	0.0%	+4.6%	0.023%
2/17/2026	Osaic Holdings Inc.	54,374	$1.18M	0.0%	+30.3%	0.057%
2/17/2026	Atom Investors LP	107,014	$2.32M	0.2%	-43.0%	0.113%
2/17/2026	Captrust Financial Advisors	38,947	$846K	0.0%	-21.6%	0.041%
2/17/2026	&PARTNERS	86,965	$1.89M	0.0%	+343.6%	0.092%
2/17/2026	Royal Bank of Canada	155,887	$3.39M	0.0%	-45.6%	0.165%
2/16/2026	Squarepoint Ops LLC	15,047	$327K	0.0%	N/A	0.016%
2/16/2026	OMERS ADMINISTRATION Corp	469,109	$10.19M	0.1%	+157.2%	0.495%
2/16/2026	Truvestments Capital LLC	164,193	$3.57M	0.6%	-3.1%	0.173%
2/16/2026	Whalerock Point Partners LLC	19,738	$429K	0.1%	-9.2%	0.021%
2/16/2026	Mariner LLC	32,142	$698K	0.0%	-19.2%	0.034%
2/16/2026	FJ Capital Management LLC	58,423	$1.27M	0.1%	-36.4%	0.062%
2/16/2026	Arax Advisory Partners	5,000	$109K	0.0%	N/A	0.005%
2/16/2026	Barclays PLC	72,066	$1.57M	0.0%	-19.0%	0.076%
2/16/2026	Brown Advisory Inc.	48,713	$1.06M	0.0%	+24.9%	0.051%
2/16/2026	Aigen Investment Management LP	12,586	$273K	0.1%	N/A	0.013%
2/16/2026	Atlas Capital Advisors Inc.	5,115	$111K	0.0%	N/A	0.005%
2/13/2026	Kestra Advisory Services LLC	30,870	$671K	0.0%	-9.2%	0.033%
2/13/2026	CANADA LIFE ASSURANCE Co	164,256	$3.57M	0.0%	+3.5%	0.174%
2/13/2026	Callodine Capital Management LP	1,101,992	$23.94M	1.9%	+26.5%	1.166%
2/13/2026	Stifel Financial Corp	626,976	$13.62M	0.0%	+2.4%	0.664%
2/13/2026	Ares Management LLC	1,354,779	$29.43M	1.5%	-2.9%	1.434%
2/13/2026	State Street Corp	114,263	$2.48M	0.0%	+23.9%	0.121%
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2/13/2026	Van ECK Associates Corp	2,342,047	$50.87M	0.0%	-7.4%	2.479%
2/13/2026	Wells Fargo & Company MN	1,270,816	$27.60M	0.0%	+3.7%	1.345%
2/12/2026	Advisors Asset Management Inc.	216,004	$4.69M	0.1%	-5.6%	0.229%
2/12/2026	Commonwealth Equity Services LLC	156,787	$3.41M	0.0%	+21.0%	0.166%
2/12/2026	RMR Capital Management LLC	197,718	$4.29M	3.1%	-7.7%	0.209%
2/12/2026	Lansforsakringar Fondforvaltning AB publ	65,493	$1.42M	0.0%	N/A	0.069%
2/12/2026	Steward Partners Investment Advisory LLC	14,325	$311K	0.0%	+31.9%	0.015%
2/12/2026	Investor s Fiduciary Advisor Network LLC	17,308	$375K	0.1%	-24.1%	0.018%
2/12/2026	Bank of Montreal Can	2,284,920	$49.63M	0.0%	+419.5%	2.418%
2/12/2026	Kovack Advisors Inc.	21,273	$462K	0.0%	N/A	0.023%

TSLX Institutional Ownership - Frequently Asked Questions

During the previous two years, 259 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), Van ECK Associates Corp ($50.87M), Bank of Montreal Can ($49.63M), and Sound Income Strategies LLC ($46.56M).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 229 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), Bank of Montreal Can ($2.17M), OMERS ADMINISTRATION Corp ($1.96M), Raymond James Financial Inc. ($1.70M), Van ECK Associates Corp ($967.09K), and Muzinich & Co. Inc. ($666.82K).

Institutional investors have bought a total of 29,545,614 shares in the last 24 months. This purchase volume represents approximately $584.61M in transactions.

Of the 101 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 ($1.46M), LSV Asset Management ($385.90K), Callodine Capital Management LP ($193.39K), Van ECK Associates Corp ($187.14K), Qube Research & Technologies Ltd ($168.29K), Royal Bank of Canada ($165.53K), and Atom Investors LP ($80.59K).

Institutional investors have sold a total of 4,085,922 shares in the last 24 months. This volume of shares sold represents approximately $92.47M in transactions.

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This page (NYSE:TSLX) was last updated on 6/1/2026 by MarketBeat.com Staff.

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Sixth Street Specialty Lending (TSLX) Institutional Ownership

TSLX Institutional Buying and Selling by Quarter

Sixth Street Specialty Lending Major Shareholders & Ownership History

TSLX Institutional Ownership - Frequently Asked Questions

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Sixth Street Specialty Lending (TSLX) Institutional Ownership

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

TSLX Institutional Buying and Selling by Quarter

Sixth Street Specialty Lending Major Shareholders & Ownership History

TSLX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of TSLX shares?

What percentage of Sixth Street Specialty Lending's stock is owned by institutional investors?

Which institutional investors have been buying Sixth Street Specialty Lending's stock?

How much institutional buying is happening at Sixth Street Specialty Lending?

Which of Sixth Street Specialty Lending's major shareholders have been selling company stock?

How much institutional selling is happening at Sixth Street Specialty Lending?

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