TSLX · Sixth Street Specialty Lending, Inc.

$18.74 -0.01 (-0.05%) At close · Aug 28

Market Cap

$1.79B

95.34M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 243

Total Value: $903,946,854

Total Shares: 52,646,983

Showing 1–100 of 248 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 243 13F filers · Δ vs Mar 31, 2026

Top Holder

11.5%

+3.2 pts

Top 5

31.0%

+4.3 pts

Top 10

47.0%

+5.6 pts

HHI

339

Broadly held+79

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -21

Institutional value: -6.8%

Shares held: -0.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large STRS OHIO	+1,681,571	6,029,281
Mid RIVERNORTH CAPITAL MANAGEMENT, LLC	+678,646	969,599
Mega VAN ECK ASSOCIATES CORP	+519,456	2,366,266
Mega UBS Group AG	+515,008	2,373,275
Large Pathstone Holdings, LLC	+229,262	672,162

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large STIFEL FINANCIAL CORP	−543,711	207,043
Mega ENVESTNET ASSET MANAGEMENT INC	−538,382	101,008
Large Cetera Investment Advisers	−529,688	68,660
Mega Qube Research & Technologies Ltd	−387,401	224,404
Mega TWO SIGMA INVESTMENTS, LP	−300,110	112,859

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Lighthouse Investment Partners, LLC	203,539	$3,494,764
Mid Ilex Capital Partners (UK) LLP	105,198	$1,806,249
Large PEAK6 LLC	79,000	$1,356,430
Large HRT FINANCIAL LP	70,164	$1,204,715
Micro Closed-End Fund Advisors, Inc.	31,937	$548,358

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small Columbus Macro, LLC	549,170	$10,093,744
Mid HBK INVESTMENTS L P	326,400	$5,999,232
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE	246,378	$4,528,427
Mid QVT Financial LP	200,000	$3,676,000
Mid First National Trust Co	137,667	$2,530,319

Filter: New 23 Increased 89 Reduced 81 Sold out 44 Unchanged 50

Showing 100 of 248

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

STRS OHIO

$103,522,754

11.45%

6,029,281

Sixth Street Partners Management Company, L.P.

$46,603,260

5.16%

2,714,226

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Sixth Street Specialty Lending Advisers, LLC	2,714,226	$46,603,260	100.0%	Defined

Sound Income Strategies, LLC

$46,466,999

5.14%

2,706,290

Progeny 3, Inc.

$42,519,753

4.70%

2,476,398

UBS Group AG

$40,749,130

4.51%

2,373,275

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	237,388	$4,075,951	10.0%	Defined
UBS AG	1,636,189	$28,093,365	68.9%	Defined
UBS Switzerland AG	10,798	$185,401	0.5%	Defined
UBS Securities LLC	488,900	$8,394,413	20.6%	Defined

VAN ECK ASSOCIATES CORP

$40,628,786

4.49%

2,366,266

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
VanEck Investments Limited	447,538	$7,684,227	18.9%	Sole
Held directly	1,918,728	$32,944,559	81.1%	Sole

OMERS ADMINISTRATION Corp

$34,551,654

3.82%

2,012,327

ARES MANAGEMENT LLC

$24,120,055

2.67%

1,404,779

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Ares Capital Management III LLC	1,404,779	$24,120,055	100.0%	Defined

Allen Investment Management, LLC

$23,504,682

2.60%

1,368,939

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ALLEN OPERATIONS LLC	1,368,939	$23,504,682	100.0%	Defined

WELLS FARGO & COMPANY/MN

$22,597,281

2.50%

1,316,091

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	794,511	$13,641,753	60.4%	Defined
WELLS FARGO CLEARING SERVICES, LLC	521,580	$8,955,528	39.6%	Defined

Cerity Partners LLC

$20,736,483

2.29%

1,207,716

Callodine Capital Management, LP

$20,193,293

2.23%

1,176,080

Muzinich & Co., Inc.

$18,461,630

2.04%

1,075,226

MORGAN STANLEY

$18,364,549

2.03%

1,069,572

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO. LLC	800	$13,736	0.1%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	127,090	$2,182,135	11.9%	Defined
MORGAN STANLEY SMITH BARNEY LLC	934,522	$16,045,742	87.4%	Defined
Morgan Stanley Bank, N.A.	2,105	$36,142	0.2%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	5,055	$86,794	0.5%	Defined

RIVERNORTH CAPITAL MANAGEMENT, LLC

$16,648,014

1.84%

969,599

Advisors Capital Management, LLC

$14,836,717

1.64%

864,107

TECTONIC ADVISORS LLC

$14,512,134

1.61%

845,203

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CAIN, WATTERS & ASSOCIATES, LLC	835,446	$14,344,607	98.8%	Other
Held directly	9,757	$167,527	1.2%	Sole

Sumitomo Mitsui Trust Group, Inc.

$13,606,400

1.51%

792,452

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Amova Asset Management Co., Ltd.	792,452	$13,606,400	100.0%	Defined

LSV ASSET MANAGEMENT

$13,548,847

1.50%

789,100

Legal & General Group Plc

$13,526,422

1.50%

787,794

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management Ltd	787,794	$13,526,422	100.0%	Defined

BANK OF AMERICA CORP /DE/

$13,126,018

1.45%

764,474

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	156,912	$2,694,179	20.5%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	607,562	$10,431,839	79.5%	Defined

RAYMOND JAMES FINANCIAL INC

$12,651,078

1.40%

736,813

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	208,402	$3,578,262	28.3%	Defined
Raymond James Financial Services Advisors, Inc.	515,439	$8,850,087	70.0%	Defined
RAYMOND JAMES TRUST N.A.	12,972	$222,729	1.8%	Defined

FRANKLIN RESOURCES INC

$12,357,403

1.37%

719,709

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PUTNAM INVESTMENT MANAGEMENT LLC	719,709	$12,357,403	100.0%	Defined

SCS Capital Management LLC

$11,885,056

1.31%

692,199

Pathstone Holdings, LLC

$11,541,021

1.28%

672,162

LPL Financial LLC

$11,188,830

1.24%

651,650

GOLDMAN SACHS GROUP INC

$10,727,334

1.19%

624,772

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	614,032	$10,542,929	98.3%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	10,740	$184,405	1.7%	Defined

JPMORGAN CHASE & CO

$8,714,015

0.96%

507,514

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	506,454	$8,695,815	99.8%	Defined
J.P. Morgan Securities plc	806	$13,839	0.2%	Defined
55I, LLC	254	$4,361	0.1%	Other

Cresset Asset Management, LLC

$8,605,449

0.95%

501,191

Gilman Hill Asset Management, LLC

$8,595,336

0.95%

500,602

NEUBERGER BERMAN GROUP LLC

$8,519,170

0.94%

496,166

Melia Wealth LLC

$8,350,406

0.92%

486,337

BlackRock, Inc.

$7,484,453

0.83%

435,903

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Asset Management Ireland Ltd	359,109	$6,165,901	82.4%	Sole
Aperio Group, LLC	76,794	$1,318,552	17.6%	Sole

National Philanthropic Trust

$6,026,670

0.67%

351,000

MGO ONE SEVEN LLC

$5,903,801

0.65%

343,844

IFP Advisors, Inc

$5,247,220

0.58%

305,604

Altshuler Shaham Ltd

$5,176,068

0.57%

301,460

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Altshuler Shaham Provident & Pension Funds Ltd.	301,460	$5,176,068	100.0%	Defined

RMR Capital Management, LLC

$4,869,051

0.54%

283,579

Janney Montgomery Scott LLC

$4,620,069

0.51%

269,078

Qube Research & Technologies Ltd

$3,853,016

0.43%

224,404

CONFLUENCE INVESTMENT MANAGEMENT LLC

$3,639,249

0.40%

211,954

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	157,855	$2,710,370	74.5%	Defined
Held directly	54,099	$928,879	25.5%	Sole

Advisors Asset Management, Inc.

$3,620,002

0.40%

210,833

D.A. DAVIDSON & CO.

$3,617,238

0.40%

210,672

STIFEL FINANCIAL CORP

$3,554,927

0.39%

207,043

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	190,486	$3,270,644	92.0%	Defined
EquityCompass Investment Management	4,415	$75,805	2.1%	Defined
Held directly	12,142	$208,478	5.9%	Defined

Lighthouse Investment Partners, LLC

$3,494,764

0.39%

203,539

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HST Ventures, LLC	203,539	$3,494,764	100.0%	Defined

Truvestments Capital LLC

$3,179,145

0.35%

185,157

Parkwood LLC

$3,173,342

0.35%

184,819

CANADA LIFE ASSURANCE Co

$3,018,486

0.33%

175,800

Texas Capital Bank Wealth Management Services Inc

$3,016,768

0.33%

175,700

Naviter Wealth, LLC

$2,595,915

0.29%

151,189

Universal- Beteiligungs- und Servicegesellschaft mbH

$2,585,321

0.29%

150,572

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Universal-Investment-Gesellschaft mbH joint	150,572	$2,585,321	100.0%	Defined

Clayton Partners LLC

$2,580,307

0.29%

150,280

LAZARD ASSET MANAGEMENT LLC

$2,569,988

0.28%

149,679

Waterloo Capital, L.P.

$2,479,451

0.27%

144,406

Atom Investors LP

$2,478,300

0.27%

144,339

RIVERBRIDGE PARTNERS LLC

$2,465,388

0.27%

143,587

IHT Wealth Management, LLC

$2,453,077

0.27%

142,870

DENALI ADVISORS LLC

$2,389,840

0.26%

139,187

Russell Investments Group, Ltd.

$2,382,594

0.26%

138,765

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	219	$3,760	0.2%	Defined
Russell Investments Limited	138,546	$2,378,834	99.8%	Defined

BENJAMIN EDWARDS INC

$2,371,056

0.26%

138,093

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BENJAMIN F. EDWARDS & COMPANY, INC.	138,093	$2,371,056	100.0%	Defined

Argent Trust Co

$2,327,633

0.26%

135,564

STATE STREET CORP

$2,319,151

0.26%

135,070

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	135,070	$2,319,151	100.0%	Defined

Ignite Planners, LLC

$2,201,503

0.24%

128,218

Wealthstar Advisors, LLC

$2,154,628

0.24%

125,488

Plan Group Financial, LLC

$2,065,963

0.23%

120,324

COMMONWEALTH EQUITY SERVICES, LLC

$2,047,831

0.23%

119,268

Delphi Financial Group, Inc.

$1,994,140

0.22%

116,141

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Delphi Capital Management, Inc.	116,141	$1,994,140	100.0%	Sole

JANE STREET GROUP, LLC

$1,938,493

0.21%

112,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	112,900	$1,938,493	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$1,937,789

0.21%

112,859

AMERIPRISE FINANCIAL INC

$1,827,660

0.20%

106,445

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Ameriprise Financial Services, LLC	105,148	$1,805,391	98.8%	Defined
Ameriprise Bank, FSB	1,297	$22,269	1.2%	Defined

Ilex Capital Partners (UK) LLP

$1,806,249

0.20%

105,198

Lifetime Wealth Management P.C.

$1,741,793

0.19%

101,444

ENVESTNET ASSET MANAGEMENT INC

$1,734,307

0.19%

101,008

BNP PARIBAS ARBITRAGE, SA

$1,732,641

0.19%

100,911

AE Wealth Management LLC

$1,686,162

0.19%

98,204

Legacy Capital Wealth Partners, LLC

$1,551,807

0.17%

90,379

Lido Advisors, LLC

$1,503,645

0.17%

87,574

ROYAL BANK OF CANADA

$1,439,034

0.16%

83,811

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	83,798	$1,438,811	100.0%	Defined
RBC Dominion Securities Inc.	13	$223	0.0%	Defined

PEAK6 LLC

$1,356,430

0.15%

79,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PEAK6 Investments LLC joint	79,000	$1,356,430	100.0%	Defined

CITADEL ADVISORS LLC

$1,243,108

0.14%

72,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	72,400	$1,243,108	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,207,051

0.13%

70,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	70,300	$1,207,051	100.0%	Other

HRT FINANCIAL LP

$1,204,715

0.13%

70,164

INDEPENDENT FINANCIAL GROUP, LLC

$1,187,751

0.13%

69,176

Cetera Investment Advisers

$1,178,892

0.13%

68,660

D. E. Shaw & Co., Inc.

$1,178,703

0.13%

68,649

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	68,649	$1,178,703	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,100,597

0.12%

64,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	64,100	$1,100,597	100.0%	Other

OSAIC HOLDINGS, INC.

$940,177

0.10%

54,757

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	43,451	$746,053	79.4%	Defined
Osaic Advisory Services, LLC	11,306	$194,124	20.6%	Defined

Savvy Advisors, Inc.

$937,207

0.10%

54,584

Tidal Investments LLC

$913,770

0.10%

53,219

TRED AVON FAMILY WEALTH, LLC

$888,736

0.10%

51,761

Main Street Financial Solutions, LLC

$880,958

0.10%

51,308

BROWN ADVISORY INC

$798,439

0.09%

46,502

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brown Advisory LLC	46,502	$798,439	100.0%	Defined

Ehrenkranz Partners L.P.

$738,567

0.08%

43,015

DIVERSIFY WEALTH MANAGEMENT, LLC

$729,003

0.08%

42,458

Diversify Advisory Services, LLC

$729,003

0.08%

42,458

Whipplewood Advisors, LLC

$696,380

0.08%

40,558

PARK CIRCLE Co

$689,289

0.08%

40,145

Canton Hathaway, LLC

$684,482

0.08%

39,865

Corient Private Wealth LLC

$683,314

0.08%

39,797

Rockefeller Capital Management L.P.

$674,677

0.07%

39,294

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	39,294	$674,677	100.0%	Defined

Key facts CIK 1508655 CUSIP 83012A109 13F (30d) 200 filings 171 filers Visit website Investor relations