258 institutions reported holding TSLX for 2026Q1, together 55% of the company, more than the 258 a quarter earlier. Institutions reporting a position: 258 (as of 2026Q1). Shares held by institutions: 52.1M, long US equity positions only, as reported on Form 13F. Reported value: $955M, at 2026-03-31 prices, not today's. Top 5 holders: 15%, of the whole company, between five filers.

TSLXSixth Street Specialty Lending, Inc.

Financial ServicesUSD

$18.83

$16.2052 weeks$22.58

Who owns TSLX

258 institutions reported holding TSLX for 2026Q1, together 55% of the company, more than the 258 a quarter earlier.

258

Institutions reporting a position · as of 2026Q1 · up from 258 the quarter before

Shares held by institutions: 52.1M
Shares held by institutions · 55% of the company · long US equity positions only, as reported on Form 13F
Reported value: $955M
Reported value · at 2026-03-31 prices, not today's
Top 5 holders: 15%
Top 5 holders · of the whole company, between five filers

Details›

Reporting quarter2026-03-31: 2026Q1
Quarters on record: 49
New positions: 42
Positions exited: 41
Added to: 81
Reduced: 70
Top 10 holdersof the company: 23%

Institutional ownership by quarter, 2014Q1 to 2026Q1
Quarter	Filers	Shares	Reported value
2026Q1	258	52.1M	$955M
2025Q4	258	50.3M	$1.15B
2025Q3	245	48.7M	$1.18B
2025Q2	244	48.9M	$1.23B
2025Q1	234	47.7M	$1.07B
2024Q4	220	45.2M	$963M
2024Q3	200	44.0M	$903M
2024Q2	221	44.9M	$960M
2024Q1	217	43.6M	$934M
2023Q4	219	41.0M	$887M
2023Q3	202	39.4M	$804M
2023Q2	200	37.6M	$703M
2023Q1	192	33.8M	$619M
2022Q4	192	36.1M	$641M
2022Q3	173	36.2M	$593M
2022Q2	176	35.3M	$654M

Largest reported holders, 2026Q1
Holder	Shares	% of company	Value
STRS OHIO	4.3M	4.6%	$80M
Sixth Street Partners Management Company, L.P.	2.7M	2.9%	$50M
Sound Income Strategies, LLC	2.6M	2.7%	$47M
Progeny 3, Inc.	2.5M	2.6%	$46M
OMERS ADMINISTRATION Corp	2.0M	2.1%	$36M
UBS Group AG	1.9M	2.0%	$34M
VAN ECK ASSOCIATES CORP	1.8M	2.0%	$34M
ALLEN OPERATIONS LLC	1.4M	1.5%	$26M
ARES MANAGEMENT LLC	1.4M	1.4%	$25M
WELLS FARGO & COMPANY/MN	1.3M	1.4%	$25M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

reading the register…

Asset Management

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