HQ · Horizon Quantum Holdings Ltd.

$17.65 -1.73 (-8.93%) At close · Aug 26

Market Cap

$1.05B

53.97M

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: 44

Total Value: $543,209,312

Total Shares: 19,721,923

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 44 13F filers · Δ vs Mar 31, 2026

Top Holder

32.5%

−0.0 pts

Top 5

94.9%

+16.7 pts

Top 10

97.5%

+8.0 pts

HHI

2,673

Highly concentrated+891

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +10

Institutional value: +2092.7%

Shares held: +376.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega UBS Group AG	+176,297	246,782
Large HRT FINANCIAL LP	+51,268	64,327
Small DLD Asset Management, LP	+12,500	40,000
Mega WELLS FARGO & COMPANY/MN	+4,550	4,800
Mega MORGAN STANLEY	+2,136	2,336

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large LMR Partners LLP	−312,434	37,122
Mid Saba Capital Management, L.P.	−201,154	11,200
Large Hudson Bay Capital Management LP	−150,150	57,309
Small Q Global Advisors, LLC	−138,133	60,000
Mid Shay Capital LLC	−30,749	9,152

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Peak XV Partners Operations LLC	6,351,095	$176,306,397
Mid Defiance ETFs, LLC	5,582,526	$154,970,921
Large Penserra Capital Management LLC	5,465,313	$151,717,088
Small Creek Drive Management Group LLC	90,000	$2,498,400
Mega BANK OF AMERICA CORP /DE/	65,726	$1,824,553

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Davidson Kempner Capital Management LP	634,518	$5,577,413
Mega CITADEL ADVISORS LLC	251,228	$2,208,294
Mid Polar Asset Management Partners Inc.	258,033	$528,967
Small METEORA CAPITAL, LLC	54,362	$477,841
Small Lineage Point Capital LP	141,363	$397,634

Filter: New 26 Increased 5 Reduced 7 Sold out 16 Unchanged 6

Showing 46 of 46

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Peak XV Partners Operations LLC

$176,306,397

32.46%

6,351,095

Defiance ETFs, LLC

$154,970,921

28.53%

5,582,526

Penserra Capital Management LLC

$151,717,088

27.93%

5,465,313

Data Collective IV GP, LLC

$25,405,896

4.68%

915,198

UBS Group AG

$6,836,732

1.26%

246,280

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	246,280	$6,836,732	100.0%	Defined

National Philanthropic Trust

$6,426,995

1.18%

231,520

Creek Drive Management Group LLC

$2,498,400

0.46%

90,000

BANK OF AMERICA CORP /DE/

$1,824,553

0.34%

65,726

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

Manager	Shares	Value (USD)	% of position	Discretion
BOFA SECURITIES, INC.	65,726	$1,824,553	100.0%	Defined

GOLDMAN SACHS GROUP INC

$1,801,568

0.33%

64,898

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	64,898	$1,801,568	100.0%	Defined

HRT FINANCIAL LP

$1,269,992

0.23%

45,749

VAN ECK ASSOCIATES CORP

$1,222,494

0.23%

44,038

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

Manager	Shares	Value (USD)	% of position	Discretion
VanEck Asset Management B.V.	44,038	$1,222,494	100.0%	Sole

DLD Asset Management, LP

$1,110,400

0.20%

40,000

NORTHERN TRUST CORP

$1,053,214

0.19%

37,940

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	37,940	$1,053,214	100.0%	Defined

Alberta Investment Management Corp HQWWW

$1,000,000

0.18%

62,500

Q Global Advisors, LLC HQWWW

$960,000

0.18%

60,000

K2 PRINCIPAL FUND, L.P.

$943,840

0.17%

34,000

Centiva Capital, LP HQWWW

$940,656

0.17%

58,791

Hudson Bay Capital Management LP HQWWW

$916,944

0.17%

57,309

LMR Partners LLP HQWWW

$593,952

0.11%

37,122

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

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	37,122	$593,952	100.0%	Sole

ExodusPoint Capital Management, LP

$524,802

0.10%

18,905

JANE STREET GROUP, LLC

$502,205

0.09%

18,091

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	17,170	$476,639	94.9%	Defined
Jane Street Global Trading, LLC	921	$25,566	5.1%	Defined

Tidal Investments LLC

$498,153

0.09%

17,945

GEODE CAPITAL MANAGEMENT, LLC

$493,156

0.09%

17,765

Engineers Gate Manager LP

$396,135

0.07%

14,270

Greenland Capital Management LP HQWWW

$362,336

0.07%

22,646

HRT FINANCIAL LP HQWWW

$297,248

0.05%

18,578

US BANCORP \DE\

$285,456

0.05%

10,283

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

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	10,283	$285,456	100.0%	Defined

MILLENNIUM MANAGEMENT LLC HQWWW

$280,000

0.05%

17,500

Shay Capital LLC

$254,059

0.05%

9,152

T3 Companies, LLC

$246,397

0.05%

8,876

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	8,876	$246,397	100.0%	Sole

Virtu Financial LLC

$227,520

0.04%

8,196

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	8,196	$227,520	100.0%	Defined

ARISTEIA CAPITAL, L.L.C. HQWWW

$224,912

0.04%

14,057

Scientech Research LLC

$216,750

0.04%

7,808

Saba Capital Management, L.P. HQWWW

$179,200

0.03%

11,200

WELLS FARGO & COMPANY/MN

$133,248

0.02%

4,800

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

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	4,800	$133,248	100.0%	Defined

WOLVERINE ASSET MANAGEMENT LLC

$64,986

0.01%

2,341

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

Manager	Shares	Value (USD)	% of position	Discretion
Wolverine Holdings, LLC	2,341	$64,986	100.0%	Defined

MORGAN STANLEY

$64,847

0.01%

2,336

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	8	$222	0.3%	Defined
MORGAN STANLEY SMITH BARNEY LLC	2,328	$64,625	99.7%	Defined

Caption Management, LLC HQWWW

$47,952

0.01%

2,997

FNY Investment Advisers, LLC

$41,640

0.01%

1,500

BlackRock, Inc.

$37,059

0.01%

1,335

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	1,335	$37,059	100.0%	Sole

OSAIC HOLDINGS, INC.

$12,658

0.00%

456

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	456	$12,658	100.0%	Defined

UBS Group AG HQWWW

$8,032

0.00%

502

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	502	$8,032	100.0%	Defined

Farther Finance Advisors, LLC

$5,552

0.00%

200

JPMORGAN CHASE & CO

$2,720

0.00%

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	98	$2,720	100.0%	Defined

ROYAL BANK OF CANADA

$2,220

0.00%

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	80	$2,220	100.0%	Defined

Caitong International Asset Management Co., Ltd

$27

0.00%

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	1,228	$10,794	0.5%	Defined
Held directly	250,000	$2,197,500	99.5%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	10,026	$20,553	100.0%	Other

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

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	700	$6,153	100.0%	Defined

Key facts CIK 2088256 CUSIP Y4000A102 13F (30d) 42 filings 42 filers Visit website Investor relations