TSSI · TSS, Inc.

$8.15 -0.28 (-3.32%)

Russell 2000 member Rebalance outlook locked

Market Cap

$229.99M

28.22M

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: 127

Total Value: $183,620,758

Total Shares: 14,928,523

Showing 1–100 of 134 holdings by value · page 1 of 2

Institutional Ownership Trend

8 quarters

Holder Concentration

Across 127 13F filers · Δ vs Mar 31, 2026

Top Holder

15.6%

−0.2 pts

Top 5

42.7%

−0.9 pts

Top 10

61.4%

−1.9 pts

HHI

558

Broadly held−23

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +15

Institutional value: +25.7%

Shares held: +33.0%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega JANE STREET GROUP, LLC	+649,403	1,408,584
Mega BlackRock, Inc.	+551,400	2,322,290
Mega D. E. Shaw & Co., Inc.	+357,012	542,913
Mid ALGERT GLOBAL LLC	+331,915	342,405
Large SILVERCREST ASSET MANAGEMENT GROUP LLC	+265,186	681,700

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega UBS Group AG	−227,726	293,872
Large Value Aligned Research Advisors, LLC	−199,012	261,498
Mega MILLENNIUM MANAGEMENT LLC	−149,635	220,744
Large Rockefeller Capital Management L.P.	−115,883	101,000
Mega ROYAL BANK OF CANADA	−17,982	7,867

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large Driehaus Capital Management LLC	536,314	$6,596,662
Mid Jump Financial, LLC	175,800	$2,162,340
Large Alyeska Investment Group, L.P.	155,594	$1,913,806
Mega RAYMOND JAMES FINANCIAL INC	129,364	$1,591,176
Small CROWN ADVISORS MANAGEMENT, INC.	100,000	$1,230,000

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large MARSHALL WACE, LLP	324,962	$4,227,755
Mid CenterBook Partners LP	177,414	$2,308,156
Small Arosa Capital Management LP	150,000	$1,951,500
Small Dupree Financial Group, LLC	94,274	$1,226,504
Mid GROUP ONE TRADING LLC	56,665	$737,211

Filter: New 38 Increased 54 Reduced 21 Sold out 23 Unchanged 14

Showing 100 of 134

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$28,564,163

15.56%

2,322,290

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

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	119,534	$1,470,268	5.1%	Sole
BlackRock Investment Management, LLC	80,798	$993,815	3.5%	Sole
BLACKROCK ADVISORS LLC	230,699	$2,837,597	9.9%	Sole
BlackRock Fund Advisors	990,485	$12,182,965	42.7%	Sole
BlackRock Institutional Trust Company, N.A.	876,022	$10,775,070	37.7%	Sole
BlackRock Japan Co. Ltd	2,326	$28,609	0.1%	Sole
BlackRock Investment Management (UK) Ltd.	2,368	$29,126	0.1%	Sole
Aperio Group, LLC	20,058	$246,713	0.9%	Sole

JANE STREET GROUP, LLC

$12,880,362

7.01%

1,047,184

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	309,145	$3,802,483	29.5%	Defined
Jane Street Global Trading, LLC	738,039	$9,077,879	70.5%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$11,888,060

6.47%

966,509

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$9,379,980

5.11%

762,600

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	762,600	$9,379,980	100.0%	Other

SILVERCREST ASSET MANAGEMENT GROUP LLC

$8,384,910

4.57%

681,700

GEODE CAPITAL MANAGEMENT, LLC

$7,710,672

4.20%

626,884

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

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	89,433	$1,100,025	14.3%	Defined
Held directly	537,451	$6,610,647	85.7%	Defined

D. E. Shaw & Co., Inc.

$6,677,829

3.64%

542,913

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.	391,150	$4,811,145	72.0%	Defined
D. E. Shaw Investment Management, L.L.C. joint	151,763	$1,866,684	28.0%	Defined

Driehaus Capital Management LLC

$6,596,662

3.59%

536,314

LPL Financial LLC

$5,980,998

3.26%

486,260

STATE STREET CORP

$5,956,422

3.24%

484,262

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 EUROPE LIMITED joint	484,262	$5,956,422	100.0%	Defined

GOLDMAN SACHS GROUP INC

$4,573,041

2.49%

371,792

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	61,375	$754,912	16.5%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	310,417	$3,818,129	83.5%	Defined

ALGERT GLOBAL LLC

$4,211,581

2.29%

342,405

UBS Group AG

$3,614,624

1.97%

293,872

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	71	$873	0.0%	Defined
UBS AG	265,145	$3,261,283	90.2%	Defined
UBS Switzerland AG	28,656	$352,468	9.8%	Defined

JANE STREET GROUP, LLC

$3,603,900

1.96%

293,000

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	293,000	$3,603,900	100.0%	Defined

CITADEL ADVISORS LLC

$3,552,240

1.93%

288,800

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	288,800	$3,552,240	100.0%	Defined

Value Aligned Research Advisors, LLC

$3,216,425

1.75%

261,498

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$2,918,790

1.59%

237,300

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	237,300	$2,918,790	100.0%	Other

WELLS FARGO & COMPANY/MN

$2,742,050

1.49%

222,931

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

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	22,308	$274,388	10.0%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	169,720	$2,087,556	76.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	30,901	$380,082	13.9%	Defined
Wells Fargo Securities, LLC	2	$24	0.0%	Defined

MILLENNIUM MANAGEMENT LLC

$2,715,151

1.48%

220,744

NORTHERN TRUST CORP

$2,381,561

1.30%

193,623

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

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	189,780	$2,334,293	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	3,843	$47,268	2.0%	Other

AQR CAPITAL MANAGEMENT LLC

$2,188,314

1.19%

177,912

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

Manager	Shares	Value (USD)	% of position	Discretion
Prism Planning Partners LLC	42	$516	0.0%	Other
Compound Planning, Inc.	2	$24	0.0%	Other
Arax Advisory Partners	1,299	$15,977	0.7%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	159	$1,955	0.1%	Other
Stokes Family Office, LLC	122	$1,500	0.1%	Other
Held directly	176,288	$2,168,342	99.1%	Defined

Jump Financial, LLC

$2,162,340

1.18%

175,800

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

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	100	$1,230	0.1%	Defined
Leap GP LLC joint	175,700	$2,161,110	99.9%	Defined

VANGUARD PORTFOLIO MANAGEMENT LLC

$2,078,626

1.13%

168,994

VANGUARD FIDUCIARY TRUST CO

$2,026,486

1.10%

164,755

CITADEL ADVISORS LLC

$2,009,820

1.09%

163,400

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	163,400	$2,009,820	100.0%	Defined

Alyeska Investment Group, L.P.

$1,913,806

1.04%

155,594

CITADEL ADVISORS LLC

$1,731,999

0.94%

140,813

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	95,994	$1,180,726	68.2%	Defined
Held directly	44,819	$551,273	31.8%	Defined

RENAISSANCE TECHNOLOGIES LLC

$1,700,979

0.93%

138,291

RAYMOND JAMES FINANCIAL INC

$1,591,176

0.87%

129,364

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	1,487	$18,290	1.1%	Defined
Raymond James Financial Services Advisors, Inc.	2,032	$24,993	1.6%	Defined
ClariVest Asset Management LLC joint	125,845	$1,547,893	97.3%	Defined

MORGAN STANLEY

$1,524,632

0.83%

123,954

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	970	$11,931	0.8%	Defined
MORGAN STANLEY & CO. LLC	7,564	$93,037	6.1%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	29,014	$356,872	23.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	64,493	$793,263	52.0%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	21,913	$269,529	17.7%	Defined

Rockefeller Capital Management L.P.

$1,242,300

0.68%

101,000

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	101,000	$1,242,300	100.0%	Defined

CROWN ADVISORS MANAGEMENT, INC.

$1,230,000

0.67%

100,000

Covestor Ltd

$1,144,970

0.62%

93,087

Y-Intercept (Hong Kong) Ltd

$1,117,676

0.61%

90,868

Point72 Asset Management, L.P.

$1,103,826

0.60%

89,742

Bank of New York Mellon Corp

$916,704

0.50%

74,529

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	29,799	$366,527	40.0%	Defined
The Bank of New York Mellon	38,738	$476,477	52.0%	Defined
BNY Mellon, NA joint	5,990	$73,676	8.0%	Defined
Held directly	2	$24	0.0%	Defined

SIERRA SUMMIT ADVISORS LLC

$910,482

0.50%

74,023

IMC-Chicago, LLC

$848,134

0.46%

68,954

ExodusPoint Capital Management, LP

$841,775

0.46%

68,437

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$841,750

0.46%

68,435

JANE STREET GROUP, LLC

$841,320

0.46%

68,400

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	68,400	$841,320	100.0%	Defined

GSA CAPITAL PARTNERS LLP

$723,313

0.39%

58,806

BNP PARIBAS ARBITRAGE, SA

$722,502

0.39%

58,740

Balyasny Asset Management L.P.

$720,939

0.39%

58,613

XTX Topco Ltd

$694,507

0.38%

56,464

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

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	56,464	$694,507	100.0%	Defined

Nuveen, LLC

$612,478

0.33%

49,795

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

Manager	Shares	Value (USD)	% of position	Discretion
TEACHERS ADVISORS, LLC joint	49,795	$612,478	100.0%	Defined

Quantbot Technologies LP

$587,804

0.32%

47,789

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	47,789	$587,804	100.0%	Sole

DIMENSIONAL FUND ADVISORS LP

$578,013

0.31%

46,993

Entropy Technologies, LP

$441,975

0.24%

35,933

Kestra Advisory Services, LLC

$432,960

0.24%

35,200

Evernest Financial Advisors, LLC

$430,500

0.23%

35,000

HighTower Advisors, LLC

$426,182

0.23%

34,649

Russell Investments Group, Ltd.

$412,221

0.22%

33,514

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	8,677	$106,726	25.9%	Defined
Russell Investments Capital, LLC	24,837	$305,495	74.1%	Defined

Brevan Howard Capital Management LP

$362,702

0.20%

29,488

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

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	29,488	$362,702	100.0%	Defined

EMERALD MUTUAL FUND ADVISERS TRUST

$350,008

0.19%

28,456

F/m Investments LLC

$350,008

0.19%

28,456

RHUMBLINE ADVISERS

$345,408

0.19%

28,082

Foundations Investment Advisors, LLC

$338,299

0.18%

27,504

HSBC HOLDINGS PLC

$330,697

0.18%

26,886

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	26,886	$330,697	100.0%	Defined

SLT Holdings LLC

$324,105

0.18%

26,350

Pinnacle Wealth Planning Services, Inc.

$307,500

0.17%

25,000

ALLIANCEBERNSTEIN L.P.

$291,510

0.16%

23,700

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

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	23,700	$291,510	100.0%	Defined

Mesirow Financial Investment Management, Inc.

$278,508

0.15%

22,643

DEUTSCHE BANK AG\

$276,811

0.15%

22,505

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

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	420	$5,166	1.9%	Defined
DWS Investments UK Ltd	22,085	$271,645	98.1%	Defined

BANK OF AMERICA CORP /DE/

$272,752

0.15%

22,175

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	22,175	$272,752	100.0%	Defined

OSAIC HOLDINGS, INC.

$266,799

0.15%

21,691

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	21,691	$266,799	100.0%	Defined

J.W. COLE ADVISORS, INC.

$261,990

0.14%

21,300

PRICE T ROWE ASSOCIATES INC /MD/

$246,922

0.13%

20,075

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

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	20,075	$246,922	100.0%	Defined

CREATIVE FINANCIAL DESIGNS INC /ADV

$238,620

0.13%

19,400

Advisory Services Network, LLC

$236,196

0.13%

19,203

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

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Institutional Asset Management Trust Co	13	$159	0.1%	Other
Held directly	19,190	$236,037	99.9%	Sole

LJI Wealth Management, LLC

$227,550

0.12%

18,500

STIFEL FINANCIAL CORP

$198,841

0.11%

16,166

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\	16,166	$198,841	100.0%	Defined

Vontobel Holding Ltd.

$198,571

0.11%

16,144

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

Manager	Shares	Value (USD)	% of position	Discretion
BANK VONTOBEL AG	16,144	$198,571	100.0%	Defined

Cetera Investment Advisers

$188,276

0.10%

15,307

Creative Planning

$187,931

0.10%

15,279

MetLife Investment Management, LLC

$167,882

0.09%

13,649

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

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	13,649	$167,882	100.0%	Defined

Invesco Ltd.

$166,442

0.09%

13,532

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	3,907	$48,055	28.9%	Defined
Invesco Trust Co joint	9,625	$118,387	71.1%	Defined

Cerity Partners LLC

$164,929

0.09%

13,409

CenterStar Asset Management, LLC

$156,210

0.09%

12,700

CITIGROUP INC

$149,543

0.08%

12,158

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

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	12,158	$149,543	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$137,919

0.08%

11,213

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

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	11,213	$137,919	100.0%	Defined

COMMONWEALTH EQUITY SERVICES, LLC

$135,410

0.07%

11,009

JPMORGAN CHASE & CO

$135,213

0.07%

10,993

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

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	10,138	$124,697	92.2%	Defined
J.P. Morgan Investment Management Inc.	855	$10,516	7.8%	Defined

MONECO ADVISORS, LLC

$135,054

0.07%

10,980

BARCLAYS PLC

$129,309

0.07%

10,513

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	9,484	$116,653	90.2%	Defined
BARCLAYS CAPITAL INC.	1,029	$12,656	9.8%	Defined

INDEPENDENT FINANCIAL GROUP, LLC

$126,690

0.07%

10,300

CURA WEALTH ADVISORS, LLC

$123,098

0.07%

10,008

CapitalatWork S.A.

$123,000

0.07%

10,000

Pekin Hardy Strauss, Inc.

$123,000

0.07%

10,000

Diversified Trust Co

$123,000

0.07%

10,000

TUDOR INVESTMENT CORP ET AL

$123,000

0.07%

10,000

Police & Firemen's Retirement System of New Jersey

$112,618

0.06%

9,156

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	9,156	$112,618	100.0%	Defined

Vanguard Global Advisers, LLC

$108,682

0.06%

8,836

FMR LLC

$102,827

0.06%

8,360

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

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	8,347	$102,668	99.8%	Defined
STRATEGIC ADVISERS LLC	13	$159	0.2%	Defined

ROYAL BANK OF CANADA

$96,764

0.05%

7,867

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	737	$9,065	9.4%	Defined
RBC Capital Markets, LLC	7,130	$87,699	90.6%	Defined

Point72 Asset Management, L.P.

$72,570

0.04%

5,900

NEW YORK STATE COMMON RETIREMENT FUND

$71,340

0.04%

5,800

State of Wyoming

$67,650

0.04%

5,500

PNC FINANCIAL SERVICES GROUP, INC.

$43,775

0.02%

3,559

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

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	3,559	$43,775	100.0%	Defined

LOS ANGELES CAPITAL MANAGEMENT LLC

$37,416

0.02%

3,042

Key facts CIK 1320760 CUSIP 87288V101 13F (30d) 109 filings 104 filers Visit website