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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 2023

Institutional positions in Sixth Street Specialty Lending, Inc. as of Jun 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
202
+9 vs. Q1 2023
Shares held
37.7M
+3.77M (+11.1%) vs. Q1 2023
Total value
$705.0M
+$83.8M (+13.5%) vs. Q1 2023
New holders
27
75 more added
Sold out
18
56 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 202 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 2023: $705.0M
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 2023

Shares, value and share of portfolio for each institution holding Sixth Street Specialty Lending, Inc.; share changes are against Q1 2023.

Institutions holding TSLX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Great West Life Assurance Co34,711$649.0K0.00%−25,556−42.4%Reduced
Allen Investment Management LLC32,267$603.1K0.01%−2,465−7.1%Reduced
CI Private Wealth, LLC31,587$590.4K0.00%−6,357−16.8%Reduced
Bouchey Financial Group Ltd30,752$574.8K0.07%+4,280+16.2%Added
Rockefeller Capital Management L.P.30,165$563.8K0.00%+3,810+14.5%Added
Monument Capital Management29,222$546.2K0.17%−1,236−4.1%Reduced
Platform Technology Partners27,665$522.6K0.25%+2,665+10.7%Added
Cambridge Investment Research Advisors, Inc.27,856$521.0K0.00%−419−1.5%Reduced
Romano Brothers and Company27,745$518.6K0.08%+1,000+3.7%Added
Mirador Capital Partners LP26,800$500.9K0.12%−992−3.6%Reduced
Mach-1 Financial Group, Inc.26,515$495.6K0.20%+26,515New
US Bancorp26,398$493.4K0.00%−7,782−22.8%Reduced
Northeast Financial Consultants Inc26,000$485.9K0.03%00.0%Unchanged
HighTower Advisors, LLC25,670$479.0K0.00%−1,766−6.4%Reduced
Texas Yale Capital Corp.24,500$457.9K0.02%+2,500+11.4%Added
Y-Intercept (Hong Kong) Ltd24,141$451.2K0.05%+24,141New
Susquehanna International Group, LLP23,994$448.4K0.00%+13,481+128.2%Added
Claybrook Capital, LLC23,660$442.2K0.24%00.0%Unchanged
Merrion Investment Management Co, LLC23,000$429.9K0.36%00.0%Unchanged
PEAK6 Investments LLC22,828$426.7K0.04%+22,828New
Wilbanks Smith & Thomas Asset Management LLC22,500$420.5K0.01%−800−3.4%Reduced
Parallel Advisors, LLC22,118$413.4K0.01%+8,347+60.6%Added
Guggenheim Capital LLC21,762$406.7K0.00%+2,038+10.3%Added
Dynamic Technology Lab Private Ltd20,517$383.0K0.05%+20,517New
Greenland Capital Management LP20,400$381.3K0.05%+20,400New
Citadel Advisors LLC19,626$366.8K0.00%−51,639−72.5%Reduced
London & Capital Asset Management Ltd19,400$362.6K0.04%+19,400New
Balyasny Asset Management LLC18,626$348.1K0.00%+18,626New
Atom Investors LP18,203$340.2K0.13%−43,577−70.5%Reduced
Quantbot Technologies LP18,037$337.1K0.02%+7,486+71.0%Added
IFG Advisory, LLC17,651$329.9K0.03%+4,127+30.5%Added
Evergreen Capital Management LLC17,307$323.5K0.01%+884+5.4%Added
Virtus ETF Advisers LLC16,728$312.6K0.19%−11,461−40.7%Reduced
Cubist Systematic Strategies, LLC16,075$300.4K0.00%+16,075New
Sunbelt Securities, Inc.15,754$294.4K0.04%−76−0.5%Reduced
Atria Wealth Solutions, Inc.15,453$288.8K0.00%−488−3.1%Reduced
Inspirion Wealth Advisors, LLC15,426$288.3K0.06%00.0%Unchanged
Eagle Global Advisors LLC14,910$278.7K0.02%00.0%Unchanged
Boston Private Wealth LLC14,649$273.8K0.00%+14,649New
Citizens Business Bank14,000$261.7K0.06%00.0%Unchanged
ProShare Advisors LLC13,981$261.3K0.00%+210+1.5%Added
EMC Capital Management16,888$261.0K0.53%+11,406+208.1%Added
CAPROCK Group, Inc.13,393$250.3K0.02%+1,061+8.6%Added
Westmount Partners, LLC13,030$243.5K0.11%00.0%Unchanged
Natixis11,808$220.7K0.00%−3,313−21.9%Reduced
Cetera Advisors LLC11,780$220.2K0.00%+11,780New
Core Wealth Partners LLC11,668$218.1K0.20%00.0%Unchanged
Stableford Capital II LLC10,503$213.0K0.09%+10,503New
Squarepoint Ops LLC10,384$194.1K0.00%+10,384New
Whalerock Point Partners, LLC10,375$193.9K0.07%00.0%Unchanged
Jane Street Group, LLC10,185$190.4K0.00%+10,185New
The PNC Financial Services Group, Inc.9,845$184.0K0.00%00.0%Unchanged
Worth Asset Management, LLC9,300$173.8K0.13%−7,884−45.9%Reduced
Steward Partners Investment Advisory, LLC8,924$166.8K0.00%−1,341−13.1%Reduced
Acadian Asset Management LLC8,294$155.0K0.00%−19,114−69.7%Reduced
Aquatic Capital Management LLC8,300$155.0K0.01%+8,300New
Geneos Wealth Management Inc.7,597$142.0K0.01%+5,272+226.8%Added
Register Financial Advisors LLC7,522$140.6K0.10%+18+0.2%Added
BI Asset Management Fondsmaeglerselskab A/S6,450$121.0K0.00%00.0%Unchanged
Vaughan Nelson Investment Management, L.P.5,350$100.0K0.00%00.0%Unchanged
Atlas Capital Advisors LLC5,115$95.6K0.01%00.0%Unchanged
Lindbrook Capital, LLC3,718$69.5K0.01%−88−2.3%Reduced
Signaturefd, LLC3,660$68.4K0.00%−86−2.3%Reduced
Ridgewood Investments LLC3,588$67.1K0.04%00.0%Unchanged
Coppell Advisory Solutions LLC2,385$44.6K0.01%+2,385New
Whittier Trust Co2,200$41.1K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec2,000$37.4K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,885$35.2K0.00%−899−32.3%Reduced
EverSource Wealth Advisors, LLC1,843$34.4K0.00%00.0%Unchanged
FIL Ltd1,790$33.5K0.00%−4,179−70.0%Reduced
Toth Financial Advisory Corp1,500$28.0K0.00%+1,500New
Armstrong Advisory Group, Inc1,362$25.5K0.00%00.0%Unchanged
GWM Advisors LLC1,184$22.1K0.00%00.0%Unchanged
Beacon Capital Management, LLC1,120$20.9K0.01%+549+96.1%Added
Baker Avenue Asset Management, LP1,048$19.6K0.00%+1,025+4,456.5%Added
First Community Trust NA1,040$19.4K0.02%00.0%Unchanged
Huntington National Bank1,001$18.7K0.00%00.0%Unchanged
Community Bank, N.A.1,000$18.7K0.00%−1,000−50.0%Reduced
CWM, LLC896$17.0K0.00%+71+8.6%Added
O'Dell Group, LLC800$15.0K0.00%+800New
Carolinas Wealth Consulting LLC797$14.9K0.00%+22+2.8%Added
Private Trust Co NA704$13.2K0.00%00.0%Unchanged
Quadrant Capital Group LLC579$10.8K0.00%−729−55.7%Reduced
Macroview Investment Management LLC538$10.1K0.02%+538New
AllSquare Wealth Management LLC500$9.14K0.01%00.0%Unchanged
Tradition Wealth Management, LLC500$9.00K0.00%00.0%Unchanged
Blume Capital Management, Inc.450$8.41K0.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.371$7.00K0.00%−866−70.0%Reduced
First Manhattan Co335$6.26K0.00%−24,025−98.6%Reduced
Tucker Asset Management LLC320$5.98K0.00%00.0%Unchanged
South State Corp.293$5.48K0.00%00.0%Unchanged
Quarry LP277$5.18K0.00%−674−70.9%Reduced
Impact Partnership Wealth, LLC260$4.86K0.00%+260New
Delta Asset Management LLC250$4.67K0.00%00.0%Unchanged
Farther Finance Advisors, LLC232$4.34K0.00%−333−58.9%Reduced
Harbor Investment Advisory, LLC200$3.74K0.00%00.0%Unchanged
Larson Financial Group LLC142$2.65K0.00%+142New
Glen Eagle Advisors, LLC100$1.87K0.00%00.0%Unchanged
National Bank of Canada80$1.50K0.00%00.0%Unchanged
Citigroup Inc68$1.27K0.00%−432−86.4%Reduced