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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.

Q1 2025 vs. Q4 2024

How the institutions holding Sixth Street Specialty Lending, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of TSLX: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders2232236+15
Shares45.2M14.5K47.7M+2.49M (+5.5%)
Value$963.5M$304.2K$1.07B+$104.4M (+10.8%)

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (34)

Institutions that held Sixth Street Specialty Lending, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to TSLX in Q1 2025
InstitutionSharesValue% of portfolio
SCS Capital Management LLC605,232$13.5M0.17%
FIL Ltd78,956$1.77M0.00%
Grantham, Mayo, Van Otterloo & Co. LLC72,813$1.63M0.01%
Ethos Financial Group, LLC40,391$904.0K0.09%
Virtus Investment Advisers, Inc.39,958$894.3K0.24%
Dakota Wealth Management36,225$810.7K0.02%
FJ Capital Management LLC35,944$804.4K0.08%
Beacon Pointe Advisors, LLC31,303$700.6K0.01%
Barclays PLC29,074$650.7K0.00%
Marshall Wace, LLP26,449$591.9K0.00%
State Street Corp25,062$560.9K0.00%
Generali Investments CEE, investicni spolecnost, a.s.23,046$515.8K0.05%
Lansforsakringar Fondforvaltning AB (publ)16,161$361.7K0.00%
ExodusPoint Capital Management, LP15,600$349.0K0.00%
Magnus Financial Group LLC14,406$322.4K0.03%
Principle Wealth Partners LLC13,150$294.3K0.02%
Squarepoint Ops LLC12,856$287.7K0.00%
Pasadena Private Wealth, LLC11,169$250.0K0.05%
Whalerock Point Partners, LLC10,625$237.8K0.06%
Virtu Financial LLC9,368$210.0K0.01%
Mirae Asset Global Investments Co., Ltd.9,019$201.5K0.00%
Buckingham Strategic Partners8,976$200.9K0.00%
Family Wealth Partners, LLC8,977$200.9K0.09%
Silver Oak Securities, Inc8,126$181.5K0.02%
Annis Gardner Whiting Capital Advisors, LLC5,235$117.2K0.05%
Boston Private Wealth LLC4,787$107.1K0.00%
Redmont Wealth Advisors LLC4,341$97.2K0.19%
Rossby Financial, LCC2,980$62.3K0.03%
Simplex Trading, LLC2,258$50.0K0.00%
AdvisorNet Financial, Inc1,800$40.3K0.00%
Greykasell Wealth Strategies, Inc.825$18.5K0.01%
Peoples Bank500$11.2K0.01%
Cullen/Frost Bankers, Inc.285$6.38K0.00%
Danske Bank A/S1$220.00%

Sold out (19)

Institutions that held Sixth Street Specialty Lending, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of TSLX in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Virtus ETF Advisers LLC39,563$842.7K
Stratos Wealth Advisors, LLC25,567$544.6K
Brevan Howard Capital Management LP25,218$537.1K
Grimes & Company, Inc.23,394$498.3K
Country Club Bank22,851$486.7K
XTX Topco Ltd18,394$391.8K
Jane Street Group, LLC17,632$375.6K
Balyasny Asset Management LLC15,680$334.0K
Campbell & CO Investment Adviser LLC12,356$263.2K
Centiva Capital, LP11,033$235.0K
Nebula Research & Development LLC10,693$227.8K
Coppell Advisory Solutions LLC1,726$36.9K
Group One Trading, L.P.1,521$32.4K
Quarry LP642$13.7K
Synergy Financial Management, LLC594$12.2K
Transce3nd, LLC485$10.3K
Caitlin John, LLC178$3.79K
Birchbrook, Inc.65$1.39K
Riggs Asset Managment Co. Inc.20$426

Not filed for Q1 2025 yet (2)

Institutions that held Sixth Street Specialty Lending, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding TSLX in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Global Retirement Partners, LLC14,284$304.2K
HBC Financial Services, PLLC220–