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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 2023

Institutional positions in Sixth Street Specialty Lending, Inc. as of Mar 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
195
−1 vs. Q4 2022
Shares held
34.0M
−2.26M (−6.2%) vs. Q4 2022
Total value
$621.2M
−$22.0M (−3.4%) vs. Q4 2022
New holders
26
87 more added
Sold out
27
42 more reduced

Compare with Q4 2022: 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 holdersQ1 2023: 195 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 2023: $621.2M
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 2023

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q4 2022.

Institutions holding TSLX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Victory Capital Management Inc1$100.00%00.0%Unchanged
Baker Avenue Asset Management, LP23$4210.00%00.0%Unchanged
Hexagon Capital Partners LLC34$6220.00%+16+88.9%Added
National Bank of Canada80$1.46K0.00%+80New
Glen Eagle Advisors, LLC100$1.83K0.00%00.0%Unchanged
Addison Advisors LLC150$2.75K0.00%+150New
Harbor Investment Advisory, LLC200$3.66K0.00%00.0%Unchanged
Delta Asset Management LLC250$4.58K0.00%00.0%Unchanged
South State Corp.293$5.36K0.00%00.0%Unchanged
Tucker Asset Management LLC320$5.86K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC330$6.00K0.00%+330New
Gradient Investments LLC407$7.45K0.00%+328+415.2%Added
Blume Capital Management, Inc.450$8.23K0.00%00.0%Unchanged
Tradition Wealth Management, LLC500$9.00K0.00%00.0%Unchanged
AllSquare Wealth Management LLC500$9.15K0.01%00.0%Unchanged
Citigroup Inc500$9.15K0.00%+500New
Ahrens Investment Partners LLC500$9.15K0.00%+500New
Farther Finance Advisors, LLC565$10.3K0.00%+333+143.5%Added
Beacon Capital Management, LLC571$10.4K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC603$11.0K0.00%+603New
Private Trust Co NA704$12.9K0.00%00.0%Unchanged
Allworth Financial LP773$14.1K0.00%+718+1,305.5%Added
Carolinas Wealth Consulting LLC775$14.5K0.00%+24+3.2%Added
CWM, LLC825$15.0K0.00%+159+23.9%Added
Quarry LP951$17.4K0.01%+339+55.4%Added
Huntington National Bank1,001$18.3K0.00%00.0%Unchanged
First Community Trust NA1,040$19.0K0.02%+40+4.0%Added
International Assets Investment Management, LLC1,100$20.1K0.00%−9,247−89.4%Reduced
GWM Advisors LLC1,184$21.7K0.00%−2,265−65.7%Reduced
Benjamin F. Edwards & Company, Inc.1,237$23.0K0.00%−1,156−48.3%Reduced
Quadrant Capital Group LLC1,308$23.9K0.00%+861+192.6%Added
Armstrong Advisory Group, Inc1,362$24.9K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC1,843$33.7K0.00%00.0%Unchanged
Community Bank, N.A.2,000$36.6K0.00%+2,000New
Federation des caisses Desjardins du Quebec2,000$36.6K0.00%+2,000New
MRP Capital Investments, LLC2,055$37.6K0.04%+2,055New
Whittier Trust Co2,200$40.2K0.00%00.0%Unchanged
Geneos Wealth Management Inc.2,325$42.5K0.00%−5,236−69.3%Reduced
Tower Research Capital LLC (TRC)2,784$51.0K0.00%+465+20.1%Added
Simplex Trading, LLC3,578$65.0K0.00%+3,578New
Ridgewood Investments LLC3,588$65.7K0.04%+3,588New
Parallax Volatility Advisers, L.P.3,679$67.3K0.00%+3,679New
Signaturefd, LLC3,746$68.6K0.00%+1,741+86.8%Added
Lindbrook Capital, LLC3,806$69.7K0.01%+88+2.4%Added
Atlas Capital Advisors LLC5,115$93.6K0.01%00.0%Unchanged
Vaughan Nelson Investment Management, L.P.5,350$98.0K0.00%00.0%Unchanged
EMC Capital Management5,482$100.0K0.08%00.0%Unchanged
Advisory Services Network, LLC5,499$100.6K0.00%00.0%Unchanged
FIL Ltd5,969$109.2K0.00%00.0%Unchanged
BI Asset Management Fondsmaeglerselskab A/S6,450$118.0K0.00%−4,418−40.7%Reduced
Register Financial Advisors LLC7,504$137.3K0.11%+19+0.3%Added
The PNC Financial Services Group, Inc.9,845$180.2K0.00%−333−3.3%Reduced
Steward Partners Investment Advisory, LLC10,265$187.8K0.00%+645+6.7%Added
Whalerock Point Partners, LLC10,375$189.9K0.07%00.0%Unchanged
Susquehanna International Group, LLP10,513$192.4K0.00%−14,450−57.9%Reduced
Quantbot Technologies LP10,551$193.1K0.01%−6,165−36.9%Reduced
Core Wealth Partners LLC11,668$213.5K0.21%00.0%Unchanged
FourThought Financial Partners, LLC11,871$217.2K0.03%−1,215−9.3%Reduced
CAPROCK Group, Inc.12,332$225.7K0.02%00.0%Unchanged
Westmount Partners, LLC13,030$238.4K0.11%00.0%Unchanged
IFG Advisory, LLC13,524$247.5K0.02%+49+0.4%Added
Parallel Advisors, LLC13,771$252.0K0.01%−1,044−7.0%Reduced
ProShare Advisors LLC13,771$252.0K0.00%+13,771New
Mackenzie Financial Corp13,881$254.0K0.00%+13,881New
Citizens Business Bank14,000$256.2K0.06%00.0%Unchanged
Pallas Capital Advisors LLC14,077$259.6K0.02%+14,077New
Eagle Global Advisors LLC14,910$272.9K0.02%+14,910New
Natixis15,121$276.7K0.00%+8+0.1%Added
Inspirion Wealth Advisors, LLC15,426$282.3K0.06%00.0%Unchanged
Sunbelt Securities, Inc.15,830$287.9K0.05%+15,830New
Atria Wealth Solutions, Inc.15,941$291.7K0.00%+15,941New
Evergreen Capital Management LLC16,423$300.5K0.01%+1,068+7.0%Added
Worth Asset Management, LLC17,184$314.5K0.24%+4,473+35.2%Added
Kayne Anderson Capital Advisors LP17,200$314.8K0.01%00.0%Unchanged
Guggenheim Capital LLC19,724$360.9K0.00%+2,348+13.5%Added
Texas Yale Capital Corp.22,000$402.6K0.02%−17,750−44.7%Reduced
Merrion Investment Management Co, LLC23,000$420.9K0.40%00.0%Unchanged
Wilbanks Smith & Thomas Asset Management LLC23,300$426.4K0.01%+800+3.6%Added
Claybrook Capital, LLC23,660$433.0K0.24%00.0%Unchanged
First Manhattan Co24,360$445.8K0.00%00.0%Unchanged
Platform Technology Partners25,000$457.5K0.23%+4,000+19.0%Added
Northeast Financial Consultants Inc26,000$475.8K0.03%00.0%Unchanged
Benjamin Edwards Inc26,129$478.0K0.12%−95−0.4%Reduced
Rockefeller Capital Management L.P.26,355$482.0K0.00%+1,199+4.8%Added
Bouchey Financial Group Ltd26,472$484.0K0.06%+14,130+114.5%Added
Romano Brothers and Company26,745$489.4K0.08%−1,600−5.6%Reduced
Acadian Asset Management LLC27,408$500.0K0.00%−193,772−87.6%Reduced
HighTower Advisors, LLC27,436$500.0K0.00%+3,206+13.2%Added
Mirador Capital Partners LP27,792$508.6K0.12%+13,745+97.9%Added
Virtus ETF Advisers LLC28,189$515.9K0.28%+9,697+52.4%Added
Cambridge Investment Research Advisors, Inc.28,275$517.0K0.00%−4,982−15.0%Reduced
Monument Capital Management30,458$557.4K0.19%+1,945+6.8%Added
Centaurus Financial, Inc.30,623$560.0K0.04%−1,500−4.7%Reduced
Cetera Advisor Networks LLC32,794$600.1K0.00%+5,334+19.4%Added
Independent Financial Group, LLC33,054$604.9K0.05%+7,356+28.6%Added
US Bancorp34,180$625.5K0.00%−152−0.4%Reduced
Allen Investment Management LLC34,732$635.6K0.01%00.0%Unchanged
Nations Financial Group Inc,36,107$660.8K0.07%+2,490+7.4%Added
Cornerstone Wealth Management, LLC36,578$669.4K0.07%+36,578New
Toroso Investments, LLC36,723$672.0K0.02%+4,214+13.0%Added