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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, Q2 2021

Institutional positions in Sixth Street Specialty Lending, Inc. as of Jun 30, 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
158
0 vs. Q1 2021
Shares held
36.1M
+5.25K (0.0%) vs. Q1 2021
Total value
$808.3M
+$49.6M (+6.5%) vs. Q1 2021
New holders
18
67 more added
Sold out
18
42 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 holdersQ2 2021: 158 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 heldQ2 2021: $808.3M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q1 2021.

Institutions holding TSLX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Deutsche Bank AG8$00.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.34$1.00K0.00%−873−96.3%Reduced
Parallel Advisors, LLC36$1.00K0.00%−73−67.0%Reduced
Harbor Investment Advisory, LLC200$4.00K0.00%00.0%Unchanged
Quadrant Capital Group LLC241$5.00K0.00%00.0%Unchanged
Strategic Blueprint, LLC210$5.00K0.00%+210New
Tucker Asset Management LLC320$7.10K0.00%00.0%Unchanged
Blume Capital Management, Inc.450$10.0K0.00%00.0%Unchanged
AllSquare Wealth Management LLC500$11.0K0.01%00.0%Unchanged
Signaturefd, LLC505$11.0K0.00%+382+310.6%Added
Perkins Coie Trust Co600$13.0K0.00%+600New
Webster Bank, N. A.650$14.0K0.00%00.0%Unchanged
Graves-Light Private Wealth Management, Inc.682$15.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC1,000$22.0K0.00%−4,181−80.7%Reduced
WealthShield Partners, LLC1,127$25.0K0.00%−62−5.2%Reduced
Harbour Investments, Inc.1,395$31.0K0.00%+225+19.2%Added
American Portfolios Advisors1,450$32.2K0.00%00.0%Unchanged
Spire Wealth Management2,310$51.0K0.00%−250−9.8%Reduced
Citigroup Inc2,371$53.0K0.00%+1,500+172.2%Added
NEXT Financial Group, Inc2,494$55.0K0.00%00.0%Unchanged
Tradition Wealth Management, LLC2,538$56.0K0.01%+37+1.5%Added
Group One Trading, L.P.2,924$65.0K0.00%+2,124+265.5%Added
FORA Capital, LLC3,785$84.0K0.02%+3,785New
FNY Investment Advisers, LLC4,000$88.0K0.04%−5,458−57.7%Reduced
Atlas Capital Advisors LLC5,115$113.5K0.02%00.0%Unchanged
Tower Research Capital LLC (TRC)5,313$117.0K0.00%−389−6.8%Reduced
Stelac Advisory Services LLC6,652$148.0K0.03%−625−8.6%Reduced
Whittier Trust Co7,230$160.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC8,261$183.0K0.00%−6,725−44.9%Reduced
Geneos Wealth Management Inc.8,425$191.0K0.01%+1,200+16.6%Added
Sigma Planning Corp9,094$202.0K0.01%+9,094New
The PNC Financial Services Group, Inc.9,310$207.0K0.00%00.0%Unchanged
Tudor Investment Corp Et Al9,774$217.0K0.00%+9,774New
Park Circle Co10,000$222.0K0.18%+10,000New
Stableford Capital II LLC10,128$225.0K0.11%00.0%Unchanged
Russell Investments Group, Ltd.10,172$226.0K0.00%−12,696−55.5%Reduced
Kestra Advisory Services, LLC10,172$226.0K0.00%+647+6.8%Added
Whalerock Point Partners, LLC10,375$230.2K0.09%−485−4.5%Reduced
Victory Capital Management Inc10,756$239.0K0.00%+130+1.2%Added
Belpointe Asset Management LLC10,931$243.0K0.02%+10,931New
Zeke Capital Advisors, LLC11,197$248.0K0.02%+11,197New
Boston Private Wealth LLC12,396$275.0K0.00%+2,073+20.1%Added
Security National Bank12,639$280.0K0.07%00.0%Unchanged
Caxton Associates LP12,627$280.0K0.04%+12,627New
Susquehanna Fundamental Investments, LLC13,400$297.0K0.01%−17,270−56.3%Reduced
Ameriprise Financial Inc13,776$306.0K0.00%+1,099+8.7%Added
Shelton Capital Management13,900$308.0K0.01%−1,800−11.5%Reduced
Raymond James Financial Services Advisors, Inc.13,967$310.0K0.00%−656−4.5%Reduced
IFG Advisory, LLC14,760$327.0K0.04%+412+2.9%Added
HighTower Advisors, LLC15,330$341.0K0.00%−15,180−49.8%Reduced
Inspirion Wealth Advisors, LLC15,426$342.0K0.08%00.0%Unchanged
First Republic Investment Management, Inc.15,935$354.0K0.00%+5,149+47.7%Added
Caz Investments LP16,000$355.0K0.38%00.0%Unchanged
Qube Research & Technologies Ltd15,985$355.0K0.00%+15,985New
Cetera Investment Advisers17,561$390.0K0.01%+17,561New
Centaurus Financial, Inc.17,713$393.0K0.03%+4,704+36.2%Added
Mirae Asset Global Investments Co., Ltd.18,951$421.0K0.00%+3,681+24.1%Added
Independent Financial Group, LLC19,791$439.2K0.05%+8,560+76.2%Added
Merrion Investment Management Co, LLC20,000$443.0K0.34%00.0%Unchanged
Benjamin Edwards Inc21,019$466.0K0.32%−117−0.6%Reduced
Rockland Trust Co22,242$494.0K0.03%+11,323+103.7%Added
Exchange Traded Concepts, LLC22,877$508.0K0.02%+22,877New
Empowered Funds, LLC23,061$512.0K0.06%+23,061New
First Manhattan Co24,360$540.0K0.00%+500+2.1%Added
Thrivent Financial for Lutherans24,971$554.0K0.00%−22,428−47.3%Reduced
Mercer Global Advisors Inc25,555$567.0K0.00%−2,231−8.0%Reduced
Roosevelt Investment Group LLC25,653$569.0K0.03%00.0%Unchanged
Northeast Financial Consultants Inc26,000$577.0K0.04%+26,000New
Avantax Advisory Services, Inc.26,905$595.0K0.01%−7,993−22.9%Reduced
Advisory Services Network, LLC27,011$599.0K0.02%−4,029−13.0%Reduced
Northern Trust Corp28,259$627.0K0.00%+10,633+60.3%Added
Jag Capital Management, LLC28,556$634.0K0.05%+50.0%Added
BlackRock Inc.28,772$638.0K0.00%+138+0.5%Added
Cambridge Investment Research Advisors, Inc.29,493$654.0K0.00%+4,146+16.4%Added
Rockefeller Capital Management L.P.29,735$659.0K0.00%+473+1.6%Added
Bruderman Asset Management, LLC30,173$670.0K0.21%+3,502+13.1%Added
Financial Advocates Investment Management31,630$702.0K0.05%+14,797+87.9%Added
US Bancorp34,226$759.0K0.00%00.0%Unchanged
Virtus ETF Advisers LLC34,476$765.0K0.31%+16,007+86.7%Added
AE Wealth Management LLC34,536$766.0K0.01%+34,536New
Bramshill Investments, LLC36,771$816.0K0.06%+3,706+11.2%Added
Sierra Capital LLC36,984$821.0K0.15%00.0%Unchanged
IHT Wealth Management, LLC37,081$823.0K0.05%+3,787+11.4%Added
Truist Financial Corp37,498$832.0K0.00%−4,383−10.5%Reduced
Monument Capital Management37,756$838.0K0.29%+7,419+24.5%Added
Eagle Global Advisors LLC37,860$840.0K0.05%+270+0.7%Added
Advisor Group Holdings, Inc.39,691$882.0K0.00%+2,535+6.8%Added
James Investment Research Inc40,575$900.0K0.08%00.0%Unchanged
Alberta Investment Management Corp41,700$925.0K0.01%00.0%Unchanged
Evoke Wealth, LLC42,727$966.0K0.04%+35,479+489.5%Added
Dearborn Partners LLC45,300$1.00M0.04%+899+2.0%Added
Kingfisher Capital LLC46,366$1.03M0.26%+46,366New
Mackenzie Financial Corp46,402$1.03M0.00%+24,932+116.1%Added
Kayne Anderson Capital Advisors LP46,522$1.03M0.03%00.0%Unchanged
Commonwealth Equity Services, LLC50,970$1.13M0.00%+2,137+4.4%Added
SeaBridge Investment Advisors LLC51,453$1.14M0.37%−1,842−3.5%Reduced
Envestnet Asset Management Inc52,678$1.17M0.00%+10,228+24.1%Added
Great West Life Assurance Co55,915$1.24M0.00%+7,232+14.9%Added
FourThought Financial, LLC64,615$1.43M0.19%+524+0.8%Added
Sargent Investment Group, LLC78,900$1.75M0.42%−310−0.4%Reduced