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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, Q4 2023

Institutional positions in Sixth Street Specialty Lending, Inc. as of Dec 31, 2023. 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
223
+21 vs. Q3 2023
Shares held
41.2M
+1.95M (+5.0%) vs. Q3 2023
Total value
$889.5M
+$87.8M (+10.9%) vs. Q3 2023
New holders
39
81 more added
Sold out
18
60 more reduced

3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 223 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 heldQ4 2023: $889.5M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q3 2023.

Institutions holding TSLX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Cerity Partners LLC534,868$11.6M0.04%+108,044+25.3%Added
Raymond James Financial Services Advisors, Inc.536,593$11.6M0.02%+88,236+19.7%Added
We Are One Seven, LLC553,876$12.0M0.69%+537,964+3,380.9%Added
Greenwich Investment Management, Inc.603,123$13.0M9.78%+21,250+3.7%Added
Advisors Capital Management, LLC625,659$13.5M0.28%−57,214−8.4%Reduced
Legal & General Group Plc674,366$14.6M0.00%+43,839+7.0%Added
Melia Wealth LLC701,107$15.1M7.96%+701,107New
LGT Capital Partners Ltd.715,000$15.4M0.46%−95,000−11.7%Reduced
Ares Management LLC768,148$16.6M0.41%−7,750−1.0%Reduced
Cliffwater LLC821,247$17.7M5.07%−151,603−15.6%Reduced
Bank of America Corp928,687$20.1M0.00%+103,283+12.5%Added
JPMorgan Chase & Co984,640$21.3M0.00%+27,105+2.8%Added
LSV Asset Management1,132,914$24.5M0.05%+149,302+15.2%Added
Callodine Capital Management, LP1,198,992$25.9M6.82%−211,038−15.0%Reduced
1832 Asset Management L.P.1,200,000$25.9M0.05%+200,000+20.0%Added
Wells Fargo & Company1,276,524$27.6M0.01%−6,596−0.5%Reduced
Van Eck Associates Corp1,604,944$34.7M0.06%+158,746+11.0%Added
Morgan Stanley1,815,576$39.2M0.00%−126,934−6.5%Reduced
Progeny 3, Inc.1,985,870$42.9M5.32%+88,352+4.7%Added
Sound Income Strategies, LLC1,989,678$43.0M3.58%+148,290+8.1%Added
Burgundy Asset Management Ltd.2,057,960$44.5M0.49%+63,281+3.2%Added
Sixth Street Partners Management Company, L.P.2,714,226$58.6M5.73%00.0%Unchanged
STRS Ohio3,134,865$67.7M0.28%+79,180+2.6%Added
GraniteShares Advisors LLC0$00.00%−83,174−100.0%Sold out
Evoke Wealth, LLC0$00.00%−59,585−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−25,400−100.0%Sold out
Kayne Anderson Capital Advisors LP0$00.00%−19,300−100.0%Sold out
Trexquant Investment LP0$00.00%−18,628−100.0%Sold out
Sunbelt Securities, Inc.0$00.00%−16,194−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−14,703−100.0%Sold out
Fisher Asset Management, LLC0$00.00%−14,189−100.0%Sold out
Citizens Business Bank0$00.00%−14,000−100.0%Sold out
Jane Street Group, LLC0$00.00%−12,992−100.0%Sold out
Boston Private Wealth LLC0$00.00%−12,813−100.0%Sold out
Stableford Capital II LLC0$00.00%−10,503−100.0%Sold out
Caption Management, LLC0$00.00%−3,243−100.0%Sold out
BluePath Capital Management, LLC0$00.00%−1,618−100.0%Sold out
Stonebridge Capital Advisors LLC0$00.00%−542−100.0%Sold out
DecisionPoint Financial, LLC0$00.00%−384−100.0%Sold out
Householder Group Estate & Retirement Specialist, LLC0$00.00%−330−100.0%Sold out
Baker Avenue Asset Management, LP0$00.00%−23−100.0%Sold out
First Republic Investment Management, Inc.––––Not filed
Golden Green, Inc.––––Not filed
Claybrook Capital, LLC––––Not filed