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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
Deutsche Bank AG8$00.00%––
Atlas Private Wealth Management30$1.00K0.00%––
Parallel Advisors, LLC109$2.00K0.00%––
Global Wealth Management Investment Advisory, Inc.112$2.00K0.00%––
Signaturefd, LLC123$3.00K0.00%––
Harbor Investment Advisory, LLC200$4.00K0.00%––
Quadrant Capital Group LLC241$5.00K0.00%––
Tucker Asset Management LLC320$6.73K0.00%––
Blume Capital Management, Inc.450$9.00K0.00%––
AllSquare Wealth Management LLC500$11.0K0.01%––
Amundi Asset Management US, Inc.635$13.0K0.00%––
Webster Bank, N. A.650$14.0K0.00%––
Graves-Light Private Wealth Management, Inc.682$14.0K0.00%––
Group One Trading, L.P.800$17.0K0.00%––
Citigroup Inc871$18.0K0.00%––
Benjamin F. Edwards & Company, Inc.907$19.0K0.00%––
Clearstead Advisors, LLC1,000$21.0K0.00%––
Harbour Investments, Inc.1,170$25.0K0.00%––
WealthShield Partners, LLC1,189$25.0K0.00%––
American Portfolios Advisors1,450$30.5K0.00%––
NEXT Financial Group, Inc2,494$52.0K0.00%––
Tradition Wealth Management, LLC2,501$53.0K0.01%––
Spire Wealth Management2,560$54.0K0.00%––
Wolverine Asset Management LLC3,563$74.0K0.00%––
Atlas Capital Advisors LLC5,115$107.6K0.02%––
Lindbrook Capital, LLC5,181$109.0K0.02%––
Tower Research Capital LLC (TRC)5,702$120.0K0.00%––
Whittier Trust Co7,230$152.0K0.00%––
Stelac Advisory Services LLC7,277$153.0K0.06%––
Evoke Wealth, LLC7,248$164.0K0.01%––
Geneos Wealth Management Inc.7,225$172.0K0.00%––
The PNC Financial Services Group, Inc.9,310$196.0K0.00%––
FNY Investment Advisers, LLC9,458$198.0K0.07%––
Kestra Advisory Services, LLC9,525$200.0K0.00%––
TCW Group Inc10,100$212.0K0.00%––
Stableford Capital II LLC10,128$213.0K0.11%––
Boston Private Wealth LLC10,323$217.0K0.00%––
Mariner, LLC10,412$219.0K0.00%––
Squarepoint Ops LLC10,492$221.0K0.00%––
Victory Capital Management Inc10,626$223.0K0.00%––
First Republic Investment Management, Inc.10,786$227.0K0.00%––
Whalerock Point Partners, LLC10,860$228.4K0.10%––
Rockland Trust Co10,919$230.0K0.02%––
Independent Financial Group, LLC11,231$236.2K0.03%––
Ameriprise Financial Inc12,677$266.0K0.00%––
Security National Bank12,639$266.0K0.08%––
Centaurus Financial, Inc.13,009$274.0K0.03%––
Evercore Wealth Management, LLC13,775$290.0K0.01%––
IFG Advisory, LLC14,348$301.0K0.04%––
Raymond James Financial Services Advisors, Inc.14,623$308.0K0.00%––
Creative Planning14,936$314.0K0.00%––
Steward Partners Investment Advisory, LLC14,986$315.2K0.01%––
Mirae Asset Global Investments Co., Ltd.15,270$321.0K0.00%––
Inspirion Wealth Advisors, LLC15,426$324.0K0.09%––
Shelton Capital Management15,700$330.0K0.01%––
Caz Investments LP16,000$336.0K0.59%––
Marshall Wace, LLP16,543$348.0K0.00%––
Northern Trust Corp17,626$370.0K0.00%––
Virtus ETF Advisers LLC18,469$388.0K0.16%––
Dowling & Yahnke LLC19,374$407.0K0.03%––
Merrion Investment Management Co, LLC20,000$420.0K0.35%––
Financial Advocates Investment Management16,833$426.0K0.03%––
Benjamin Edwards Inc21,136$444.0K0.34%––
Mackenzie Financial Corp21,470$452.0K0.00%––
Russell Investments Group, Ltd.22,868$483.0K0.00%––
Claybrook Capital, LLC23,660$498.0K0.29%––
First Manhattan Co23,860$501.0K0.00%––
Cambridge Investment Research Advisors, Inc.25,347$533.0K0.00%––
Roosevelt Investment Group LLC25,653$539.0K0.04%––
Bruderman Asset Management, LLC26,671$561.0K0.16%––
Mercer Global Advisors Inc27,786$584.0K0.01%––
Jag Capital Management, LLC28,551$600.0K0.05%––
BlackRock Inc.28,634$602.0K0.00%––
Rockefeller Capital Management L.P.29,262$615.0K0.00%––
HighTower Advisors, LLC30,510$636.0K0.00%––
Monument Capital Management30,337$638.0K0.26%––
Susquehanna Fundamental Investments, LLC30,670$645.0K0.01%––
Advisory Services Network, LLC31,040$653.0K0.02%––
Alliancebernstein L.P.33,010$694.0K0.00%––
Bramshill Investments, LLC33,065$695.0K0.04%––
IHT Wealth Management, LLC33,294$700.0K0.05%––
US Bancorp34,226$720.0K0.00%––
Avantax Advisory Services, Inc.34,898$734.0K0.02%––
Sierra Capital LLC36,984$778.0K0.15%––
Advisor Group Holdings, Inc.37,156$780.0K0.00%––
Eagle Global Advisors LLC37,590$791.0K0.06%––
James Investment Research Inc40,575$853.0K0.08%––
Alberta Investment Management Corp41,700$877.0K0.01%––
Truist Financial Corp41,881$881.0K0.00%––
Envestnet Asset Management Inc42,450$893.0K0.00%––
Dearborn Partners LLC44,401$934.0K0.04%––
Cubist Systematic Strategies, LLC45,168$950.0K0.01%––
Kayne Anderson Capital Advisors LP46,522$978.0K0.03%––
Thrivent Financial for Lutherans47,399$997.0K0.00%––
Great West Life Assurance Co48,683$1.02M0.00%––
Commonwealth Equity Services, LLC48,833$1.03M0.00%––
SeaBridge Investment Advisors LLC53,295$1.12M0.37%––
Legacy Capital Wealth Partners, LLC50,857$1.15M0.48%––
FourThought Financial, LLC64,091$1.35M0.19%––
Wambolt & Associates, LLC68,553$1.46M0.76%––