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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, Q3 2023

Institutional positions in Sixth Street Specialty Lending, Inc. as of Sep 30, 2023. 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
205
+5 vs. Q2 2023
Shares held
39.5M
+2.17M (+5.8%) vs. Q2 2023
Total value
$806.6M
+$109.6M (+15.7%) vs. Q2 2023
New holders
25
88 more added
Sold out
20
45 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 205 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 heldQ3 2023: $806.6M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q2 2023.

Institutions holding TSLX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Baker Avenue Asset Management, LP23$4700.00%−1,025−97.8%Reduced
Hexagon Capital Partners LLC34$6950.00%00.0%Unchanged
National Bank of Canada80$1.60K0.00%00.0%Unchanged
Allworth Financial LP99$2.02K0.00%+44+80.0%Added
Glen Eagle Advisors, LLC100$2.04K0.00%00.0%Unchanged
Provenance Wealth Advisors, LLC100$2.04K0.00%+100New
Larson Financial Group LLC142$2.90K0.00%00.0%Unchanged
Harbour Investments, Inc.178$3.64K0.00%+178New
Harbor Investment Advisory, LLC200$4.09K0.00%00.0%Unchanged
Lindbrook Capital, LLC223$4.56K0.00%−3,495−94.0%Reduced
Farther Finance Advisors, LLC232$4.74K0.00%00.0%Unchanged
Delta Asset Management LLC250$5.11K0.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.284$6.00K0.00%−87−23.5%Reduced
Tucker Asset Management LLC320$6.54K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC330$6.75K0.00%+330New
First Manhattan Co335$6.85K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)337$6.89K0.00%−1,548−82.1%Reduced
DecisionPoint Financial, LLC384$7.85K0.00%+384New
Blume Capital Management, Inc.450$9.20K0.00%00.0%Unchanged
Tradition Wealth Management, LLC500$10.0K0.00%00.0%Unchanged
AllSquare Wealth Management LLC500$10.2K0.01%00.0%Unchanged
Macroview Investment Management LLC528$10.8K0.01%−10−1.9%Reduced
Stonebridge Capital Advisors LLC542$11.1K0.00%+542New
Kelly Financial Services LLC548$11.2K0.01%+548New
Quadrant Capital Group LLC579$11.8K0.00%00.0%Unchanged
Private Trust Co NA704$14.4K0.00%00.0%Unchanged
Citigroup Inc707$14.5K0.00%+639+939.7%Added
CWM, LLC896$18.0K0.00%00.0%Unchanged
Aquatic Capital Management LLC1,000$20.0K0.00%−7,300−88.0%Reduced
Community Bank, N.A.1,000$20.4K0.00%00.0%Unchanged
Huntington National Bank1,001$20.5K0.00%00.0%Unchanged
Beacon Capital Management, LLC1,120$20.9K0.01%00.0%Unchanged
First Community Trust NA1,040$21.3K0.02%00.0%Unchanged
Acadian Asset Management LLC1,156$23.0K0.00%−7,138−86.1%Reduced
GWM Advisors LLC1,325$27.1K0.00%+141+11.9%Added
Armstrong Advisory Group, Inc1,362$27.8K0.00%00.0%Unchanged
BluePath Capital Management, LLC1,618$33.1K0.03%+1,618New
FIL Ltd1,790$36.6K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC1,843$37.7K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec2,000$40.9K0.00%00.0%Unchanged
Coppell Advisory Solutions LLC2,345$41.7K0.02%−40−1.7%Reduced
Whittier Trust Co2,200$44.9K0.00%00.0%Unchanged
Caption Management, LLC3,243$66.3K0.01%+3,243New
Signaturefd, LLC4,367$89.3K0.00%+707+19.3%Added
Atlas Capital Advisors LLC5,115$104.5K0.02%00.0%Unchanged
Vaughan Nelson Investment Management, L.P.5,350$109.0K0.00%00.0%Unchanged
EMC Capital Management5,482$112.0K0.08%−11,406−67.5%Reduced
PEAK6 Investments LLC6,175$126.2K0.01%−16,653−72.9%Reduced
BI Asset Management Fondsmaeglerselskab A/S6,450$132.0K0.00%00.0%Unchanged
Quantbot Technologies LP6,525$133.4K0.01%−11,512−63.8%Reduced
Register Financial Advisors LLC6,539$133.7K0.10%−983−13.1%Reduced
Geneos Wealth Management Inc.7,615$155.6K0.01%+18+0.2%Added
Steward Partners Investment Advisory, LLC8,421$172.1K0.00%−503−5.6%Reduced
The PNC Financial Services Group, Inc.9,601$196.2K0.00%−244−2.5%Reduced
Stableford Capital II LLC10,503$202.8K0.09%00.0%Unchanged
Whalerock Point Partners, LLC10,375$212.1K0.07%00.0%Unchanged
Worth Asset Management, LLC10,476$214.1K0.17%+1,176+12.6%Added
Centiva Capital, LP10,684$218.4K0.01%+10,684New
Natixis11,133$227.6K0.00%−675−5.7%Reduced
Core Wealth Partners LLC11,668$238.5K0.22%00.0%Unchanged
ProShare Advisors LLC12,449$254.5K0.00%−1,532−11.0%Reduced
Boston Private Wealth LLC12,813$261.9K0.01%−1,836−12.5%Reduced
Cetera Advisors LLC12,815$261.9K0.00%+1,035+8.8%Added
Jane Street Group, LLC12,992$265.6K0.00%+2,807+27.6%Added
Westmount Partners, LLC13,030$266.3K0.12%00.0%Unchanged
CAPROCK Group, Inc.13,454$275.0K0.02%+61+0.5%Added
Citizens Business Bank14,000$286.2K0.07%00.0%Unchanged
Fisher Asset Management, LLC14,189$290.0K0.00%+14,189New
D. E. Shaw & Co., Inc.14,703$300.5K0.00%−45,824−75.7%Reduced
Kestra Advisory Services, LLC14,915$304.9K0.00%+14,915New
Barnett & Company, Inc.15,400$314.8K0.25%+15,400New
Inspirion Wealth Advisors, LLC15,426$315.3K0.06%00.0%Unchanged
Comerica Bank15,435$315.5K0.00%+15,435New
We Are One Seven, LLC15,912$325.2K0.03%+15,912New
Sunbelt Securities, Inc.16,194$331.0K0.05%+440+2.8%Added
Evergreen Capital Management LLC17,423$356.1K0.02%+116+0.7%Added
Wilbanks Smith & Thomas Asset Management LLC18,000$367.9K0.01%−4,500−20.0%Reduced
Atria Wealth Solutions, Inc.18,180$371.6K0.01%+2,727+17.6%Added
IFG Advisory, LLC18,228$372.6K0.03%+577+3.3%Added
Winton Group Ltd18,581$379.8K0.03%+18,581New
Trexquant Investment LP18,628$380.8K0.01%+18,628New
Eagle Global Advisors LLC18,890$386.1K0.03%+3,980+26.7%Added
Kayne Anderson Capital Advisors LP19,300$394.5K0.01%+19,300New
London & Capital Asset Management Ltd19,400$396.5K0.04%00.0%Unchanged
Guggenheim Capital LLC22,080$451.3K0.00%+318+1.5%Added
Parallel Advisors, LLC22,376$457.4K0.02%+258+1.2%Added
Claybrook Capital, LLC23,660$483.6K0.28%00.0%Unchanged
Mach-1 Financial Group, Inc.24,469$500.1K0.21%−2,046−7.7%Reduced
Texas Yale Capital Corp.24,500$500.8K0.02%00.0%Unchanged
Rathbone Brothers plc24,951$510.0K0.00%+24,951New
Merrion Investment Management Co, LLC25,000$511.0K0.44%+2,000+8.7%Added
Schonfeld Strategic Advisors LLC25,400$519.2K0.00%−51,800−67.1%Reduced
Northeast Financial Consultants Inc26,000$531.4K0.03%00.0%Unchanged
US Bancorp26,398$539.6K0.00%00.0%Unchanged
Romano Brothers and Company26,745$546.7K0.09%−1,000−3.6%Reduced
Alpha DNA Investment Management LLC27,626$564.7K0.36%−11,435−29.3%Reduced
Platform Technology Partners27,665$565.5K0.26%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.27,858$569.0K0.00%+20.0%Added
Beacon Pointe Advisors, LLC27,969$571.7K0.01%+27,969New
HighTower Advisors, LLC28,436$581.0K0.00%+2,766+10.8%Added