GAME · GameSquare Holdings, Inc.

$0.44 +0.02 (+5.10%) At close · Aug 20

Market Cap

$43.15M

103.81M

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: 45

Total Value: $5,039,145

Total Shares: 12,760,665

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 45 13F filers · Δ vs Mar 31, 2026

Top Holder

27.5%

+3.2 pts

Top 5

76.1%

+0.7 pts

Top 10

92.0%

−0.8 pts

HHI

1,566

Moderately concentrated+93

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: +26.8%

Shares held: -13.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega JANE STREET GROUP, LLC	+944,156	1,191,420
Mega ROYAL BANK OF CANADA	+250,000	251,249
Mid T3 Companies, LLC	+5,530	67,530
Mega LPL Financial LLC	+4,600	16,249
Mega VANGUARD FIDUCIARY TRUST CO	+3,699	542,344

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega UBS Group AG	−428,692	2,930,142
Mega GEODE CAPITAL MANAGEMENT, LLC	−97,252	1,037,638
Mega VANGUARD CAPITAL MANAGEMENT LLC	−62,661	3,504,610
Large RENAISSANCE TECHNOLOGIES LLC	−56,900	548,400
Mid XTX Topco Ltd	−33,597	110,650

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Virtu Financial LLC	121,927	$48,161
Small Westend Capital Management, LLC	90,000	$35,550
Small TWO SIGMA SECURITIES, LLC	59,694	$23,579
Mid Global Retirement Partners, LLC	37,440	$14,788
Small StoneX Group Inc.	33,392	$13,189

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Polar Asset Management Partners Inc.	2,000,000	$540,000
Mega CITADEL ADVISORS LLC	667,001	$180,090
Mega Vanguard Global Advisers, LLC	71,721	$19,364
Small Warberg Asset Management LLC	50,000	$13,500
Mid Chicago Partners Investment Group LLC	36,845	$9,948

Filter: New 12 Increased 5 Reduced 11 Sold out 8 Unchanged 17

Showing 45 of 45

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$1,384,320

27.47%

3,504,610

UBS Group AG

$1,157,405

22.97%

2,930,142

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	606	$239	0.0%	Defined
UBS AG	2,910,065	$1,149,475	99.3%	Defined
UBS Securities LLC	19,471	$7,691	0.7%	Defined

JANE STREET GROUP, LLC

$470,610

9.34%

1,191,420

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	614,736	$242,820	51.6%	Defined
Jane Street Global Trading, LLC	576,684	$227,790	48.4%	Defined

BlackRock, Inc.

$412,739

8.19%

1,044,909

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

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	1,044,909	$412,739	100.0%	Sole

GEODE CAPITAL MANAGEMENT, LLC

$409,866

8.13%

1,037,638

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	218,186	$86,183	21.0%	Defined
Held directly	819,452	$323,683	79.0%	Defined

RENAISSANCE TECHNOLOGIES LLC

$216,618

4.30%

548,400

VANGUARD FIDUCIARY TRUST CO

$214,225

4.25%

542,344

STATE STREET CORP

$192,843

3.83%

488,212

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	488,212	$192,843	100.0%	Defined

ROYAL BANK OF CANADA

$99,242

1.97%

251,249

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC Dominion Securities Inc.	250,424	$98,917	99.7%	Defined
RBC Phillips, Hager & North Investment Counsel Inc.	825	$325	0.3%	Defined

NORTHERN TRUST CORP

$75,653

1.50%

191,527

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	191,527	$75,653	100.0%	Defined

Wealthspire Advisors, LLC

$71,732

1.42%

181,601

Virtu Financial LLC

$48,161

0.96%

121,927

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	121,927	$48,161	100.0%	Defined

XTX Topco Ltd

$43,706

0.87%

110,650

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	110,650	$43,706	100.0%	Defined

Westend Capital Management, LLC

$35,550

0.71%

90,000

HRT FINANCIAL LP

$31,389

0.62%

79,466

T3 Companies, LLC

$26,674

0.53%

67,530

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

Manager	Shares	Value (USD)	% of position	Discretion
T3 Global Trading, LLC	67,530	$26,674	100.0%	Sole

TWO SIGMA SECURITIES, LLC

$23,579

0.47%

59,694

BOOTHBAY FUND MANAGEMENT, LLC

$23,357

0.46%

59,132

Global Retirement Partners, LLC

$14,788

0.29%

37,440

StoneX Group Inc.

$13,189

0.26%

33,392

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

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	33,392	$13,189	100.0%	Defined

CIBC WORLD MARKET INC.

$9,875

0.20%

25,000

Tower Research Capital LLC (TRC)

$9,816

0.19%

24,853

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

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	24,853	$9,816	100.0%	Defined

Ground Swell Capital, LLC

$9,758

0.19%

24,704

CAZ INVESTMENTS LP

$7,755

0.15%

19,634

LPL Financial LLC

$6,418

0.13%

16,249

SIGNATUREFD, LLC

$6,162

0.12%

15,600

MKD WEALTH COACHES, LLC

$4,740

0.09%

12,000

BROWN ADVISORY INC

$4,036

0.08%

10,220

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

Manager	Shares	Value (USD)	% of position	Discretion
Brown Advisory LLC	10,220	$4,036	100.0%	Defined

PENN DAVIS MCFARLAND INC

$3,950

0.08%

10,000

CITIGROUP INC

$3,908

0.08%

9,896

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	9,896	$3,908	100.0%	Defined

BROWN BROTHERS HARRIMAN & CO

$2,370

0.05%

6,000

EverSource Wealth Advisors, LLC

$1,876

0.04%

4,750

TD Waterhouse Canada Inc.

$1,136

0.02%

2,877

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

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	2,877	$1,136	100.0%	Defined

Rockefeller Capital Management L.P.

$530

0.01%

1,342

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	1,342	$530	100.0%	Defined

OSAIC HOLDINGS, INC.

$415

0.01%

1,053

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	402	$158	38.1%	Defined
Osaic Advisory Services, LLC	651	$257	61.9%	Defined

TORONTO DOMINION BANK

$307

0.01%

778

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

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES INC	778	$307	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$197

0.00%

500

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

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	500	$197	100.0%	Sole

BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC

$148

0.00%

375

NATIONAL BANK OF CANADA /FI/

$41

0.00%

104

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

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	104	$41	100.0%	Defined

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

$25

0.00%

SBI Securities Co., Ltd.

$23

0.00%

Clearstead Advisors, LLC

$10

0.00%

GROUP ONE TRADING LLC

0.00%

HARBOUR INVESTMENTS, INC.

0.00%

Vestcor Inc

0.00%

3,289

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	667,001	$180,090	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	10,502	$2,835	50.0%	Other
G1 EXECUTION SERVICES, LLC	10,511	$2,837	50.0%	Other

Key facts CIK 1714562 CUSIP 36468G103 13F (30d) 43 filings 43 filers Visit website Investor relations