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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 2021

Institutional positions in Sixth Street Specialty Lending, Inc. as of Mar 31, 2021. 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
159
No complete 13F data for Q4 2020
Shares held
36.0M
No complete 13F data for Q4 2020
Total value
$758.6M
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 159 institutions
Q1 2021: 159 institutionsQ2 2021: 158 institutionsQ3 2021: 159 institutionsQ4 2021: 168 institutionsQ1 2022: 171 institutionsQ2 2022: 180 institutionsQ3 2022: 175 institutionsQ4 2022: 196 institutionsQ1 2023: 195 institutionsQ2 2023: 202 institutionsQ3 2023: 205 institutionsQ4 2023: 223 institutionsQ1 2024: 220 institutionsQ2 2024: 224 institutionsQ3 2024: 202 institutionsQ4 2024: 223 institutionsQ1 2025: 236 institutionsQ2 2025: 245 institutionsQ3 2025: 247 institutionsQ4 2025: 258 institutionsQ1 2026: 260 institutionsQ2 2026: 242 institutions
Value heldQ1 2021: $758.6M
Q1 2021: $758.6MQ2 2021: $808.3MQ3 2021: $813.5MQ4 2021: $855.4MQ1 2022: $825.9MQ2 2022: $655.5MQ3 2022: $601.1MQ4 2022: $643.2MQ1 2023: $621.2MQ2 2023: $705.0MQ3 2023: $806.6MQ4 2023: $889.5MQ1 2024: $936.0MQ2 2024: $962.2MQ3 2024: $904.9MQ4 2024: $963.5MQ1 2025: $1.07BQ2 2025: $1.16BQ3 2025: $1.11BQ4 2025: $1.09BQ1 2026: $955.4MQ2 2026: $896.5M
Institutions holding TSLX and their total value by quarter
QuarterHoldersValue
Q2 2026242$896.5M
Q1 2026260$955.4M
Q4 2025258$1.09B
Q3 2025247$1.11B
Q2 2025245$1.16B
Q1 2025236$1.07B
Q4 2024223$963.5M
Q3 2024202$904.9M
Q2 2024224$962.2M
Q1 2024220$936.0M
Q4 2023223$889.5M
Q3 2023205$806.6M
Q2 2023202$705.0M
Q1 2023195$621.2M
Q4 2022196$643.2M
Q3 2022175$601.1M
Q2 2022180$655.5M
Q1 2022171$825.9M
Q4 2021168$855.4M
Q3 2021159$813.5M
Q2 2021158$808.3M
Q1 2021159$758.6M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding TSLX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
LPL Financial LLC76,388$1.61M0.00%––
Sargent Investment Group, LLC79,210$1.67M0.44%––
Royal Bank of Canada81,439$1.71M0.00%––
Advisory Research Inc85,648$1.80M0.13%––
Texas Capital Bank Wealth Management Services Inc88,300$1.86M0.27%––
IFP Advisors, Inc95,519$2.01M0.04%––
HRT Financial LP103,944$2.19M0.02%––
FIL Ltd110,410$2.32M0.00%––
Goldman Sachs Group Inc113,226$2.38M0.00%––
Clayton Partners LLC117,035$2.46M2.38%––
Bank of New York Mellon Corp117,694$2.48M0.00%––
Hennion & Walsh Asset Management, Inc.123,797$2.60M0.16%––
California Public Employees Retirement System126,569$2.66M0.00%––
Raymond James & Associates133,251$2.80M0.00%––
Citizens Business Bank134,250$2.82M0.40%––
JPMorgan Chase & Co136,144$2.86M0.00%––
D. E. Shaw & Co., Inc.139,379$2.93M0.00%––
Guggenheim Capital LLC146,639$3.08M0.02%––
Stifel Financial Corp156,662$3.29M0.01%––
Advisors Asset Management, Inc.159,781$3.36M0.05%––
Invesco Ltd.161,752$3.40M0.00%––
Janney Montgomery Scott LLC172,272$3.62M0.02%––
Acadian Asset Management LLC174,728$3.67M0.01%––
Manufacturers Life Insurance Company, The178,694$3.76M0.00%––
Ares Management LLC190,585$4.01M0.19%––
Confluence Investment Management LLC201,842$4.25M0.06%––
McKinley Capital Management LLC /Delaware219,981$4.63M0.35%––
UBS Group AG224,959$4.73M0.00%––
Callodine Capital Management, LP250,000$5.26M2.28%––
Aj Wealth Strategies, LLC253,931$5.34M0.38%––
Two Sigma Investments, LP289,976$6.10M0.02%––
Fort Washington Investment Advisors Inc299,080$6.29M0.06%––
Standard Life Aberdeen plc301,765$6.35M0.01%––
Two Sigma Advisers, LP336,888$7.08M0.02%––
Prelude Capital Management, LLC330,081$7.33M0.51%––
Sumitomo Mitsui Trust Holdings, Inc.389,697$8.20M0.01%––
Muzinich & Co., Inc.398,700$8.38M4.77%––
LGT Capital Partners Ltd.435,000$9.15M0.30%––
Neuberger Berman Group LLC454,400$9.56M0.01%––
Advisors Capital Management, LLC471,164$9.91M0.35%––
Legal & General Group Plc485,139$10.2M0.00%––
Susquehanna International Group, LLP511,753$10.8M0.01%––
Millennium Management LLC543,595$11.4M0.02%––
Price T Rowe Associates Inc555,000$11.7M0.00%––
Clough Capital Partners L P742,727$15.6M1.01%––
Van Eck Associates Corp750,146$15.8M0.04%––
Progeny 3, Inc.757,792$15.9M6.27%––
Citadel Advisors LLC762,201$16.0M0.02%––
LSV Asset Management842,545$17.7M0.03%––
Bank of America Corp915,822$19.3M0.00%––
Cliffwater LLC929,516$19.5M4.66%––
Wells Fargo & Company1,098,955$23.1M0.01%––
Sound Income Strategies, LLC1,426,011$30.0M5.08%––
Arrowstreet Capital, Limited Partnership1,436,393$30.2M0.04%––
Delphi Financial Group, Inc.1,612,760$33.9M10.25%––
Morgan Stanley1,808,883$38.0M0.01%––
Sixth Street Partners Management Company, L.P.2,716,977$57.1M6.09%––
FMR LLC3,600,200$75.7M0.01%––
STRS Ohio4,613,094$97.0M0.37%––