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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 2021

Institutional positions in Sixth Street Specialty Lending, Inc. as of Dec 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
168
+9 vs. Q3 2021
Shares held
36.3M
+55.6K (+0.2%) vs. Q3 2021
Total value
$855.4M
+$41.9M (+5.2%) vs. Q3 2021
New holders
28
61 more added
Sold out
19
43 more reduced

Compare with Q3 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 holdersQ4 2021: 168 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 2021: $855.4M
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 2021

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q3 2021.

Institutions holding TSLX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Centaurus Financial, Inc.20,113$470.0K0.04%00.0%Unchanged
Merrion Investment Management Co, LLC20,000$467.0K0.34%00.0%Unchanged
HighTower Advisors, LLC19,201$448.0K0.00%+3,871+25.3%Added
Virtus ETF Advisers LLC18,424$431.0K0.16%−14,399−43.9%Reduced
First Republic Investment Management, Inc.18,219$426.0K0.00%+2,151+13.4%Added
Mercer Global Advisors Inc17,930$419.0K0.00%−4,019−18.3%Reduced
Independent Financial Group, LLC16,708$390.8K0.03%+1,417+9.3%Added
Eagle Global Advisors LLC16,410$384.0K0.02%+2,730+20.0%Added
Inspirion Wealth Advisors, LLC15,426$361.0K0.08%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.15,432$361.0K0.00%+590+4.0%Added
IFG Advisory, LLC15,037$351.0K0.03%+198+1.3%Added
Acadian Asset Management LLC13,264$310.0K0.00%−37,922−74.1%Reduced
Tower Research Capital LLC (TRC)13,282$310.0K0.01%+1,019+8.3%Added
Security National Bank12,334$288.0K0.07%−305−2.4%Reduced
Guggenheim Capital LLC12,225$286.0K0.00%−42,416−77.6%Reduced
Stephens Inc11,900$278.0K0.00%+11,900New
Cubist Systematic Strategies, LLC11,475$268.0K0.00%+326+2.9%Added
Trexquant Investment LP11,436$267.0K0.02%+11,436New
Zeke Capital Advisors, LLC11,197$262.0K0.02%00.0%Unchanged
Price T Rowe Associates Inc10,800$253.0K0.00%−319,200−96.7%Reduced
Advisory Services Network, LLC10,555$247.0K0.01%+1,281+13.8%Added
Whalerock Point Partners, LLC10,375$242.7K0.08%00.0%Unchanged
Stableford Capital II LLC10,503$242.0K0.10%00.0%Unchanged
Kestra Advisory Services, LLC10,176$238.0K0.00%+20.0%Added
Mariner, LLC10,152$237.0K0.00%+10,152New
Victory Capital Management Inc9,890$231.0K0.00%−271−2.7%Reduced
C2C Wealth Management, LLC9,500$222.0K0.03%+9,500New
Whittier Trust Co9,430$220.0K0.00%+2,200+30.4%Added
The PNC Financial Services Group, Inc.9,310$218.0K0.00%00.0%Unchanged
Geneos Wealth Management Inc.9,118$213.0K0.01%+283+3.2%Added
United Capital Financial Advisers, LLC8,867$207.0K0.00%+8,867New
Dynamic Technology Lab Private Ltd8,796$206.0K0.02%+8,796New
Steward Partners Investment Advisory, LLC8,194$192.0K0.00%00.0%Unchanged
Total Clarity Wealth Management, Inc.5,112$120.0K0.05%+881+20.8%Added
Atlas Capital Advisors LLC5,115$119.6K0.02%00.0%Unchanged
Snowden Capital Advisors LLC4,500$105.0K0.01%+4,500New
Future Financial Wealth Managment LLC3,900$92.0K0.07%+3,900New
Tradition Wealth Management, LLC2,610$61.0K0.01%+37+1.4%Added
NEXT Financial Group, Inc2,401$56.0K0.00%00.0%Unchanged
Spire Wealth Management2,310$54.0K0.00%00.0%Unchanged
Umb Bank N A1,702$40.0K0.00%+1,702New
Group One Trading, L.P.1,667$39.0K0.00%−1,700−50.5%Reduced
Carolinas Wealth Consulting LLC1,565$37.0K0.01%+13+0.8%Added
Quantbot Technologies LP1,500$35.0K0.00%+1,500New
American Portfolios Advisors1,450$33.9K0.00%00.0%Unchanged
Signaturefd, LLC1,119$26.0K0.00%−6−0.5%Reduced
First Community Trust NA1,000$23.4K0.02%+1,000New
Lindbrook Capital, LLC1,000$23.0K0.00%−93−8.5%Reduced
Huntington National Bank1,001$23.0K0.00%+1,001New
AllSquare Wealth Management LLC900$21.0K0.01%00.0%Unchanged
O'Dell Group, LLC800$19.0K0.01%00.0%Unchanged
Graves-Light Private Wealth Management, Inc.682$16.0K0.00%00.0%Unchanged
Aquatic Capital Management LLC700$16.0K0.03%+700New
Quadrant Capital Group LLC569$13.0K0.00%+203+55.5%Added
Blume Capital Management, Inc.450$11.0K0.00%00.0%Unchanged
Perkins Coie Trust Co348$8.00K0.00%00.0%Unchanged
Tucker Asset Management LLC320$7.46K0.00%00.0%Unchanged
Harbour Investments, Inc.290$7.00K0.00%−1,110−79.3%Reduced
Concord Wealth Partners283$7.00K0.00%+283New
Harbor Investment Advisory, LLC200$5.00K0.00%00.0%Unchanged
Parallel Advisors, LLC228$5.00K0.00%+170+293.1%Added
Gradient Investments LLC231$5.00K0.00%+231New
Ahrens Investment Partners LLC200$5.00K0.00%+200New
Signet Financial Management, LLC117$3.00K0.00%+117New
Cornerstone Advisory, LLC148$3.00K0.00%+148New
Zullo Investment Group, Inc.134$3.00K0.00%+134New
Benjamin F. Edwards & Company, Inc.34$1.00K0.00%00.0%Unchanged
Mach-1 Financial Group, Inc.28$00.00%+28New
Patriot Financial Group Insurance Agency, LLC0$00.00%−255−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−808,952−100.0%Sold out
Millennium Management LLC0$00.00%−96,528−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−91,758−100.0%Sold out
Standard Life Aberdeen plc0$00.00%−68,035−100.0%Sold out
James Investment Research Inc0$00.00%−40,575−100.0%Sold out
Sierra Capital LLC0$00.00%−36,984−100.0%Sold out
Bruderman Asset Management, LLC0$00.00%−30,619−100.0%Sold out
Avantax Advisory Services, Inc.0$00.00%−20,064−100.0%Sold out
Cetera Investment Advisers0$00.00%−17,358−100.0%Sold out
Caz Investments LP0$00.00%−16,000−100.0%Sold out
Shelton Capital Management0$00.00%−13,900−100.0%Sold out
Boston Private Wealth LLC0$00.00%−13,675−100.0%Sold out
Empowered Funds, LLC0$00.00%−12,872−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−11,969−100.0%Sold out
Deutsche Bank AG0$00.00%−11,759−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−2,500−100.0%Sold out
Plante Moran Financial Advisors, LLC0$00.00%−850−100.0%Sold out
Focused Wealth Management, Inc0$00.00%−11−100.0%Sold out