Sixth Street Specialty Lending, Inc.

TSLX

Exchange: NYSE
SEC CIK: 0001508655

SEC filings (opens in a new tab)

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 2024 vs. Q4 2023

How the institutions holding Sixth Street Specialty Lending, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024 All holders in Q4 2023

13F holders of TSLX: Q4 2023 compared with Q1 2024
Measure	Q4 2023	Of which not filed for Q1 2024	Q1 2024	Change
Holders	223	4	220	+1
Shares	41.2M	164.8K	43.7M	+2.66M (+6.5%)
Value	$889.5M	$3.56M	$936.0M	+$50.1M (+5.7%)

4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Sixth Street Specialty Lending, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to TSLX in Q1 2024
Institution	Shares	Value	% of portfolio
Soros Fund Management LLCSuperinvestorSoros Fund Management	370,000	$7.93M	0.18%
Franklin Resources Inc	187,450	$4.02M	0.00%
Schonfeld Strategic Advisors LLC	179,300	$3.84M	0.03%
FJ Capital Management LLC	131,032	$2.81M	0.29%
Barclays PLC	80,413	$1.72M	0.00%
Qube Research & Technologies Ltd	73,616	$1.58M	0.00%
Evoke Wealth, LLC	70,173	$1.50M	0.04%
Naviter Wealth, LLC	61,865	$1.33M	0.22%
Cubist Systematic Strategies, LLC	53,634	$1.15M	0.01%
Greenland Capital Management LP	53,300	$1.14M	0.19%
Trexquant Investment LP	51,763	$1.11M	0.02%
Jane Street Group, LLC	48,051	$1.03M	0.00%
Atom Investors LP	39,239	$840.9K	0.11%
MQS Management LLC	26,561	$569.2K	0.33%
SG Americas Securities, LLC	25,751	$552.0K	0.00%
Steward Partners Investment Solutions, LLC	17,348	$371.8K	0.06%
Y-Intercept (Hong Kong) Ltd	15,969	$342.2K	0.03%
Susquehanna International Group, LLP	15,674	$335.9K	0.00%
Verition Fund Management LLC	11,636	$249.4K	0.00%
Campbell & CO Investment Adviser LLC	10,881	$233.2K	0.02%
Robertson Stephens Wealth Management, LLC	9,700	$207.9K	0.01%
Future Financial Wealth Managment LLC	4,200	$90.0K	0.07%
CIBC Private Wealth Group, LLC	2,000	$42.3K	0.00%
EntryPoint Capital, LLC	1,641	$35.2K	0.03%
Principal Securities, Inc.	60	$1.29K	0.00%
Crewe Advisors LLC	49	$1.05K	0.00%

Sold out (25)

Institutions that held Sixth Street Specialty Lending, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of TSLX in Q1 2024
Institution	Shares, Q4 2023	Value, Q4 2023
Legacy Capital Wealth Partners, LLC	72,757	$1.57M
Cynosure Management, LLC	52,278	$1.13M
Cetera Advisor Networks LLC	46,587	$1.01M
Winton Group Ltd	24,739	$534.4K
Prevail Innovative Wealth Advisors, LLC	23,290	$503.1K
Mach-1 Financial Group, Inc.	22,144	$478.3K
Belpointe Asset Management LLC	17,377	$375.4K
Cetera Advisors LLC	14,950	$322.9K
XTX Topco Ltd	12,113	$261.6K
Aquatic Capital Management LLC	11,900	$257.0K
Centiva Capital, LP	10,421	$225.1K
Whalerock Point Partners, LLC	10,375	$224.1K
Mercer Global Advisors Inc	9,391	$203.0K
ExodusPoint Capital Management, LP	9,388	$203.0K
Atlas Capital Advisors LLC	5,115	$110.5K
Advisory Services Network, LLC	4,122	$89.0K
Whittier Trust Co	2,200	$47.5K
TD Waterhouse Canada Inc.	1,670	$36.4K
St Germain D J Co Inc	948	$20.5K
O'Dell Group, LLC	800	$17.3K
Tradition Wealth Management, LLC	500	$11.0K
Anchor Investment Management, LLC	390	$8.43K
National Bank of Canada	80	$1.73K
FMR LLC	2	$43
Ronald Blue Trust, Inc.	15	$0

Not filed for Q1 2024 yet (4)

Institutions that held Sixth Street Specialty Lending, Inc. at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding TSLX in Q4 2023 that haven't filed for Q1 2024
Institution	Shares, Q4 2023	Value, Q4 2023
Putnam Investments LLC	133,338	$2.88M
Platform Technology Partners	28,093	$609.1K
Coppell Advisory Solutions LLC	2,689	$58.1K
Bartlett & Co. LLC	700	$15.0K