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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 2024

Institutional positions in Sixth Street Specialty Lending, Inc. as of Dec 31, 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
223
+24 vs. Q3 2024
Shares held
45.2M
+1.94M (+4.5%) vs. Q3 2024
Total value
$963.5M
+$74.5M (+8.4%) vs. Q3 2024
New holders
40
72 more added
Sold out
16
58 more reduced

3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 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 2024: $963.5M
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 2024

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q3 2024.

Institutions holding TSLX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
STRS Ohio3,474,499$74.0M0.29%+85,533+2.5%Added
Sixth Street Partners Management Company, L.P.2,714,226$57.8M7.44%00.0%Unchanged
Van Eck Associates Corp2,393,069$51.0M0.07%+103,634+4.5%Added
Progeny 3, Inc.2,390,680$50.9M4.05%+137,906+6.1%Added
Sound Income Strategies, LLC2,305,372$49.1M3.04%+122,312+5.6%Added
Burgundy Asset Management Ltd.2,192,486$46.7M0.47%+37,442+1.7%Added
Morgan Stanley1,837,870$39.1M0.00%+57,566+3.2%Added
Ares Management LLC1,555,751$33.1M1.17%00.0%Unchanged
Wells Fargo & Company1,183,141$25.2M0.01%+33,026+2.9%Added
Allen Investment Management LLC1,153,581$24.6M0.28%+301,839+35.4%Added
LSV Asset Management1,132,662$24.1M0.06%−130,100−10.3%Reduced
JPMorgan Chase & Co1,123,523$23.9M0.00%−51,865−4.4%Reduced
Callodine Capital Management, LP1,075,000$22.9M4.73%−25,000−2.3%Reduced
Raymond James Financial Inc821,040$17.5M0.01%+821,040New
Two Sigma Advisers, LP754,586$16.1M0.04%−112,700−13.0%Reduced
Advisors Capital Management, LLC694,616$14.8M0.23%+26,389+3.9%Added
LGT Capital Partners Ltd.655,000$14.0M0.53%00.0%Unchanged
Bank of America Corp639,717$13.6M0.00%−137,292−17.7%Reduced
Stifel Financial Corp638,793$13.6M0.01%+87,798+15.9%Added
Legal & General Group Plc615,773$13.1M0.00%−54,690−8.2%Reduced
Melia Wealth LLC583,477$12.4M6.49%+19,034+3.4%Added
LPL Financial LLC573,859$12.2M0.00%+38,169+7.1%Added
Neuberger Berman Group LLC573,813$12.2M0.01%+37,889+7.1%Added
1832 Asset Management L.P.550,000$11.7M0.02%−225,000−29.0%Reduced
Envestnet Asset Management Inc510,243$10.9M0.00%−34,759−6.4%Reduced
Cerity Partners LLC464,576$9.90M0.02%−50,073−9.7%Reduced
Two Sigma Investments, LP460,690$9.81M0.02%−90,253−16.4%Reduced
UBS Group AG438,758$9.35M0.00%+38,027+9.5%Added
Cetera Investment Advisers415,080$8.84M0.02%+32,734+8.6%Added
We Are One Seven, LLC394,394$8.40M0.32%+38,240+10.7%Added
Muzinich & Co., Inc.392,418$8.36M5.90%+26,008+7.1%Added
Sumitomo Mitsui Trust Holdings, Inc.377,645$8.04M0.01%+22,211+6.2%Added
Columbus Macro, LLC360,053$7.67M1.07%+360,053New
Franklin Resources Inc341,477$7.27M0.00%+14,394+4.4%Added
Baillie Gifford & Co306,429$6.53M0.01%+128,763+72.5%Added
Cresset Asset Management, LLC298,663$6.36M0.03%+135,593+83.2%Added
Qube Research & Technologies Ltd272,709$5.81M0.01%−88,377−24.5%Reduced
Confluence Investment Management LLC251,182$5.35M0.07%+1,273+0.5%Added
RMR Capital Management, LLC244,172$5.20M3.87%+87,394+55.7%Added
Manufacturers Life Insurance Company, The232,684$4.96M0.00%+130.0%Added
Millennium Management LLC226,090$4.82M0.00%−88,844−28.2%Reduced
TrueMark Investments, LLC217,155$4.63M1.48%+60,119+38.3%Added
First National Trust Co214,770$4.57M0.17%+97,848+83.7%Added
Denali Advisors LLC207,976$4.43M0.46%−12,916−5.8%Reduced
Benjamin Edwards Inc199,266$4.24M0.06%+5,589+2.9%Added
Universal- Beteiligungs- und Servicegesellschaft mbH195,128$4.16M0.01%+195,128New
Ameriprise Financial Inc193,312$4.12M0.00%+11,574+6.4%Added
Rockefeller Capital Management L.P.192,900$4.11M0.01%+454+0.2%Added
Parkwood LLC184,819$3.94M0.48%+184,819New
Clayton Partners LLC172,472$3.67M2.54%−1,011−0.6%Reduced
Advisors Asset Management, Inc.170,481$3.63M0.07%−5,367−3.1%Reduced
D.A. Davidson & Co.169,316$3.61M0.03%+8,699+5.4%Added
BlackRock, Inc.167,503$3.57M0.00%+2,116+1.3%Added
Trexquant Investment LP164,519$3.50M0.04%−39,004−19.2%Reduced
Wambolt & Associates, LLC161,986$3.45M1.10%−22,059−12.0%Reduced
Financial Advocates Investment Management156,155$3.33M0.19%+4,170+2.7%Added
Hennion & Walsh Asset Management, Inc.137,245$2.92M0.13%−17,743−11.4%Reduced
Janney Montgomery Scott LLC132,749$2.83M0.01%+2,948+2.3%Added
Wealthstar Advisors, LLC130,604$2.78M1.21%+130,604New
Texas Capital Bank Wealth Management Services Inc128,694$2.74M0.28%00.0%Unchanged
Truvestments Capital LLC127,065$2.71M0.70%+9,274+7.9%Added
IFP Advisors, Inc126,418$2.69M0.09%−1,678−1.3%Reduced
Goldman Sachs Group Inc125,698$2.68M0.00%−65,720−34.3%Reduced
Standard Life Aberdeen plc124,313$2.65M0.00%+23,662+23.5%Added
Prelude Capital Management, LLC115,081$2.45M0.21%00.0%Unchanged
Royal Bank of Canada115,011$2.45M0.00%−9,593−7.7%Reduced
Naviter Wealth, LLC105,983$2.26M0.27%−7,484−6.6%Reduced
Argent Trust Co103,489$2.20M0.09%−1,081−1.0%Reduced
IHT Wealth Management, LLC95,450$2.03M0.07%+5,015+5.5%Added
Commonwealth Equity Services, LLC93,778$2.00M0.00%−48,241−34.0%Reduced
Gilman Hill Asset Management, LLC92,656$1.97M0.34%+92,656New
Waterloo Capital, L.P.91,526$1.95M0.21%+5,220+6.0%Added
Round Rock Advisors, LLC84,014$1.79M0.37%+84,014New
HRT Financial LP82,130$1.75M0.01%−9,701−10.6%Reduced
Captrust Financial Advisors82,090$1.75M0.00%−4,736−5.5%Reduced
HB Wealth Management, LLC79,163$1.69M0.02%+6,104+8.4%Added
Riverbridge Partners LLC71,943$1.53M0.02%−120−0.2%Reduced
Delphi Financial Group, Inc.70,106$1.49M0.79%00.0%Unchanged
Legacy Capital Wealth Partners, LLC67,031$1.43M0.35%−77,667−53.7%Reduced
Bramshill Investments, LLC62,093$1.32M0.21%−516−0.8%Reduced
Park Circle Co62,000$1.32M1.20%00.0%Unchanged
Lido Advisors, LLC60,775$1.29M0.01%+1,526+2.6%Added
Alberta Investment Management Corp60,400$1.29M0.01%00.0%Unchanged
Dearborn Partners LLC58,768$1.25M0.05%+763+1.3%Added
Northern Trust Corp57,650$1.23M0.00%+8,526+17.4%Added
Independent Financial Group, LLC57,221$1.22M0.04%−136−0.2%Reduced
Pallas Capital Advisors LLC55,581$1.18M0.05%−16,805−23.2%Reduced
Brown Advisory Inc52,357$1.12M0.00%00.0%Unchanged
Toroso Investments, LLC52,051$1.11M0.01%+1,168+2.3%Added
Kestra Advisory Services, LLC51,735$1.10M0.01%+3,083+6.3%Added
BNP Paribas Arbitrage, SA48,610$1.04M0.00%+48,610New
Cornerstone Wealth Management, LLC46,184$983.7K0.07%+621+1.4%Added
Ignite Planners, LLC44,362$943.6K0.21%+5,115+13.0%Added
Great West Life Assurance Co43,554$928.0K0.00%+10,641+32.3%Added
HighTower Advisors, LLC40,834$869.8K0.00%−675−1.6%Reduced
Creative Planning40,135$854.9K0.00%+1,572+4.1%Added
Evoke Wealth, LLC39,859$849.0K0.02%00.0%Unchanged
Mariner, LLC39,619$843.9K0.00%−1,260−3.1%Reduced
Virtus ETF Advisers LLC39,563$842.7K0.34%+6,669+20.3%Added
Lazard Asset Management LLC38,617$822.0K0.00%+13,006+50.8%Added