TSLX · NYSE · Asset Management

Sixth Street Specialty Lending

Direct lender to U.S. middle-market companies through the Sixth Street platform.

$18.74
After-hours close−0.02 (−0.11%)
At close$18.76(+0.05%)

Breakdown13F · Form 4

Institutions 54.97%52.23M sharesInsiders 0.52%493.6K sharesOther 44.51%42.30M shares

Shares outstanding 95.02M · Float 91.12M · 95.9% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
STRS Ohio4.83M5.10%13GJul 8, 2026
Sixth Street Partners Management Company, L.P.2.71M2.86%13FAug 14, 2026
Sound Income Strategies, LLC2.71M2.85%13FJul 20, 2026
Progeny 3, Inc.2.48M2.61%13FAug 14, 2026
UBS Group AG2.37M2.50%13FAug 13, 2026

Institutions13F, as of Jun 30, 2026

250 holders · 52.23M shares · 22 new positions · 110 increased · 83 reduced · 44 closed

HolderShares% outstandingChg q/qFiled
STRS Ohio6.03M6.35%+1.68MJul 30, 2026
Sixth Street Partners Management Company, L.P.2.71M2.86%0Aug 14, 2026
Sound Income Strategies, LLC2.71M2.85%+135.2KJul 20, 2026
Progeny 3, Inc.2.48M2.61%0Aug 14, 2026
UBS Group AG2.37M2.50%+515.0KAug 13, 2026
Van Eck Associates Corp2.37M2.49%+519.5KAug 14, 2026
Omers Administration Corp2.01M2.12%+50.5KAug 13, 2026
Ares Management LLC1.40M1.48%+50.0KAug 14, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
STRS Ohio5.10%4.83M13GJul 8, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Alan Waxmanofficer: Vice President300.0K0.32%Mar 9, 2026
Steven Plussofficer: Vice President51.5K0.05%Mar 3, 2026
Robert J. Stanleydirector, officer: CEO48.8K0.05%May 29, 2026
David Stieplemandirector, officer: Vice President25.7K0.03%Mar 4, 2026
John D. Hersheydirector23.9K0.03%Jul 3, 2025
Ross Anthony Bruckofficer: Vice President18.3K0.02%May 13, 2026
P. Emery Covingtondirector15.0K0.02%Mar 10, 2026
Michael Grafofficer: See Remarks7.2K0.01%Mar 2, 2026
Joshua Peckofficer: Vice President3.1K0.00%Mar 3, 2026

3 ten-percent owners hold 3.06M shares by Form 4, outside the officers-and-directors figure above · 16 people have not refiled in the last 18 months (248.4K shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
May 11, 2026
Ross Anthony Bruckofficer: Vice President
Purchase8,000$17.7618,250
Mar 6, 2026
P. Emery Covingtondirector
Purchase7,500$18.3515,000
Mar 5, 2026
Alan Waxmanofficer: Vice President
Purchase100,000$18.46100,000
Mar 6, 2026
Alan Waxmanofficer: Vice President
Purchase200,000$18.42300,000
Mar 2, 2026
David Stieplemandirector, officer: Vice President
Purchase20,200$17.6525,735
Feb 27, 2026
Steven Plussofficer: Vice President
Purchase15,000$17.7251,500
Mar 2, 2026
Joshua Peckofficer: Vice President
Purchase2,840$17.593,140
Feb 26, 2026
Michael Grafofficer: See Remarks
Purchase1,000$18.267,205
Nov 18, 2025
Robert J. Stanleydirector, officer: Co-CEO
Purchase10,000$20.8524,907

CongressHouse and Senate disclosures

Not reported.