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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, Q3 2024

Institutional positions in Sixth Street Specialty Lending, Inc. as of Sep 30, 2024. 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
202
−18 vs. Q2 2024
Shares held
44.1M
+282.9K (+0.6%) vs. Q2 2024
Total value
$904.9M
−$30.1M (−3.2%) vs. Q2 2024
New holders
13
83 more added
Sold out
31
59 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

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 holdersQ3 2024: 202 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 heldQ3 2024: $904.9M
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, Q3 2024

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q2 2024.

Institutions holding TSLX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
STRS Ohio3,388,966$69.6M0.27%+88,018+2.7%Added
EMC Capital Management3,505––−3,242−48.1%Reduced
Hexagon Capital Partners LLC0$00.00%−13−100.0%Sold out
Partners Group Holding AG0$00.00%−539,563−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−185,868−100.0%Sold out
FJ Capital Management LLC0$00.00%−96,020−100.0%Sold out
Fort Washington Investment Advisors Inc0$00.00%−95,851−100.0%Sold out
Atom Investors LP0$00.00%−78,553−100.0%Sold out
Greenland Capital Management LP0$00.00%−78,000−100.0%Sold out
Barclays PLC0$00.00%−54,830−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−51,315−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−15,600−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−15,089−100.0%Sold out
PEAK6 Investments LLC0$00.00%−10,466−100.0%Sold out
Atria Wealth Solutions, Inc.0$00.00%−10,288−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−10,228−100.0%Sold out
Robertson Stephens Wealth Management, LLC0$00.00%−9,700−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−9,374−100.0%Sold out
Caption Management, LLC0$00.00%−5,947−100.0%Sold out
Simplex Trading, LLC0$00.00%−5,379−100.0%Sold out
Atlas Capital Advisors LLC0$00.00%−5,115−100.0%Sold out
Ridgewood Investments LLC0$00.00%−3,588−100.0%Sold out
Arlington Trust Co LLC0$00.00%−3,500−100.0%Sold out
nVerses Capital, LLC0$00.00%−3,300−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−3,100−100.0%Sold out
FIL Ltd0$00.00%−1,790−100.0%Sold out
Armstrong Advisory Group, Inc0$00.00%−1,362−100.0%Sold out
Asset Dedication, LLC0$00.00%−770−100.0%Sold out
CoreCap Advisors, LLC0$00.00%−700−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−655−100.0%Sold out
Kelly Financial Services LLC0$00.00%−611−100.0%Sold out
Tucker Asset Management LLC0$00.00%−320−100.0%Sold out
WealthCollab, LLC0$00.00%−220−100.0%Sold out
Greenwich Investment Management, Inc.––––Not filed
Benjamin F. Edwards & Company, Inc.––––Not filed
McKinley Capital Management LLC /Delaware––––Not filed
BlackRock Inc.––––Not filed