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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
STRS Ohio4,613,094$97.0M0.37%––
FMR LLC3,600,200$75.7M0.01%––
Sixth Street Partners Management Company, L.P.2,716,977$57.1M6.09%––
Morgan Stanley1,808,883$38.0M0.01%––
Delphi Financial Group, Inc.1,612,760$33.9M10.25%––
Arrowstreet Capital, Limited Partnership1,436,393$30.2M0.04%––
Sound Income Strategies, LLC1,426,011$30.0M5.08%––
Wells Fargo & Company1,098,955$23.1M0.01%––
Cliffwater LLC929,516$19.5M4.66%––
Bank of America Corp915,822$19.3M0.00%––
LSV Asset Management842,545$17.7M0.03%––
Citadel Advisors LLC762,201$16.0M0.02%––
Progeny 3, Inc.757,792$15.9M6.27%––
Van Eck Associates Corp750,146$15.8M0.04%––
Clough Capital Partners L P742,727$15.6M1.01%––
Price T Rowe Associates Inc555,000$11.7M0.00%––
Millennium Management LLC543,595$11.4M0.02%––
Susquehanna International Group, LLP511,753$10.8M0.01%––
Legal & General Group Plc485,139$10.2M0.00%––
Advisors Capital Management, LLC471,164$9.91M0.35%––
Neuberger Berman Group LLC454,400$9.56M0.01%––
LGT Capital Partners Ltd.435,000$9.15M0.30%––
Muzinich & Co., Inc.398,700$8.38M4.77%––
Sumitomo Mitsui Trust Holdings, Inc.389,697$8.20M0.01%––
Prelude Capital Management, LLC330,081$7.33M0.51%––
Two Sigma Advisers, LP336,888$7.08M0.02%––
Standard Life Aberdeen plc301,765$6.35M0.01%––
Fort Washington Investment Advisors Inc299,080$6.29M0.06%––
Two Sigma Investments, LP289,976$6.10M0.02%––
Aj Wealth Strategies, LLC253,931$5.34M0.38%––
Callodine Capital Management, LP250,000$5.26M2.28%––
UBS Group AG224,959$4.73M0.00%––
McKinley Capital Management LLC /Delaware219,981$4.63M0.35%––
Confluence Investment Management LLC201,842$4.25M0.06%––
Ares Management LLC190,585$4.01M0.19%––
Manufacturers Life Insurance Company, The178,694$3.76M0.00%––
Acadian Asset Management LLC174,728$3.67M0.01%––
Janney Montgomery Scott LLC172,272$3.62M0.02%––
Invesco Ltd.161,752$3.40M0.00%––
Advisors Asset Management, Inc.159,781$3.36M0.05%––
Stifel Financial Corp156,662$3.29M0.01%––
Guggenheim Capital LLC146,639$3.08M0.02%––
D. E. Shaw & Co., Inc.139,379$2.93M0.00%––
JPMorgan Chase & Co136,144$2.86M0.00%––
Citizens Business Bank134,250$2.82M0.40%––
Raymond James & Associates133,251$2.80M0.00%––
California Public Employees Retirement System126,569$2.66M0.00%––
Hennion & Walsh Asset Management, Inc.123,797$2.60M0.16%––
Bank of New York Mellon Corp117,694$2.48M0.00%––
Clayton Partners LLC117,035$2.46M2.38%––
Goldman Sachs Group Inc113,226$2.38M0.00%––
FIL Ltd110,410$2.32M0.00%––
HRT Financial LP103,944$2.19M0.02%––
IFP Advisors, Inc95,519$2.01M0.04%––
Texas Capital Bank Wealth Management Services Inc88,300$1.86M0.27%––
Advisory Research Inc85,648$1.80M0.13%––
Royal Bank of Canada81,439$1.71M0.00%––
Sargent Investment Group, LLC79,210$1.67M0.44%––
LPL Financial LLC76,388$1.61M0.00%––
Wambolt & Associates, LLC68,553$1.46M0.76%––
FourThought Financial, LLC64,091$1.35M0.19%––
Legacy Capital Wealth Partners, LLC50,857$1.15M0.48%––
SeaBridge Investment Advisors LLC53,295$1.12M0.37%––
Commonwealth Equity Services, LLC48,833$1.03M0.00%––
Great West Life Assurance Co48,683$1.02M0.00%––
Thrivent Financial for Lutherans47,399$997.0K0.00%––
Kayne Anderson Capital Advisors LP46,522$978.0K0.03%––
Cubist Systematic Strategies, LLC45,168$950.0K0.01%––
Dearborn Partners LLC44,401$934.0K0.04%––
Envestnet Asset Management Inc42,450$893.0K0.00%––
Truist Financial Corp41,881$881.0K0.00%––
Alberta Investment Management Corp41,700$877.0K0.01%––
James Investment Research Inc40,575$853.0K0.08%––
Eagle Global Advisors LLC37,590$791.0K0.06%––
Advisor Group Holdings, Inc.37,156$780.0K0.00%––
Sierra Capital LLC36,984$778.0K0.15%––
Avantax Advisory Services, Inc.34,898$734.0K0.02%––
US Bancorp34,226$720.0K0.00%––
IHT Wealth Management, LLC33,294$700.0K0.05%––
Bramshill Investments, LLC33,065$695.0K0.04%––
Alliancebernstein L.P.33,010$694.0K0.00%––
Advisory Services Network, LLC31,040$653.0K0.02%––
Susquehanna Fundamental Investments, LLC30,670$645.0K0.01%––
Monument Capital Management30,337$638.0K0.26%––
HighTower Advisors, LLC30,510$636.0K0.00%––
Rockefeller Capital Management L.P.29,262$615.0K0.00%––
BlackRock Inc.28,634$602.0K0.00%––
Jag Capital Management, LLC28,551$600.0K0.05%––
Mercer Global Advisors Inc27,786$584.0K0.01%––
Bruderman Asset Management, LLC26,671$561.0K0.16%––
Roosevelt Investment Group LLC25,653$539.0K0.04%––
Cambridge Investment Research Advisors, Inc.25,347$533.0K0.00%––
First Manhattan Co23,860$501.0K0.00%––
Claybrook Capital, LLC23,660$498.0K0.29%––
Russell Investments Group, Ltd.22,868$483.0K0.00%––
Mackenzie Financial Corp21,470$452.0K0.00%––
Benjamin Edwards Inc21,136$444.0K0.34%––
Financial Advocates Investment Management16,833$426.0K0.03%––
Merrion Investment Management Co, LLC20,000$420.0K0.35%––
Dowling & Yahnke LLC19,374$407.0K0.03%––