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HQ · Horizon Quantum Holdings Ltd. · Shareholders & Ownership

Track HQ — free
$14.74 +0.46 (+3.22%) At close · Oct 23
Market Cap
$795.55M
Shares
53.97M
Volume · Oct 23 63.25K Avg daily vol (3M) 306.37K

Every disclosed holder of HQ in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns HQ

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: shares outstanding cannot be set against these holders.

Holder group Shares % Out
Institutional (13F) 19,696,631 —
Insiders (Forms 3, 4, 5) 0 —
13D/G-only blocks 38,362,130 —
Registered funds (N-PORT, not summed) 11,035 —

% Out is unavailable: a foreign private issuer reports ordinary shares, a different unit from the listed shares.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of HQ

# Holder Shares
1
Peak XV Partners Seed Investment
13D CIK 2141719 · Unknown · Mar 19, 2026
Item 4 purpose: Passive investment
6,468,999
2
Peak XV Partners Operations LLC
13F CIK 1886840 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,351,095
3
Defiance ETFs, LLC
13F CIK 1732541 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,582,526
4
Penserra Capital Management LLC
13F CIK 1593324 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,465,313
5
IonQ, Inc.
13D CIK 1824920 · Unknown · Mar 19, 2026
Item 4 purpose: Passive investment
4,230,118
6
Harry L. You
13D CIK 1432602 · Unknown · Mar 19, 2026
Item 4 purpose: Control or board seats, Other
4,097,358
6.1
You Harry L.
Insider CIK 1432602 · Mar 19, 2026
Director, issuer-wide, not summed
1,212,698
7
Tencent Holdings Limited
13G CIK 1293451 · Unknown · Jun 30, 2026
Rule 13d-1(c), passive investor
3,800,438
8
Data Collective IV GP, LLC
13F CIK 1664974 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
915,198
9
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
Classes HQ, HQWWW, carried, not yet filed for the newest quarter
246,782
10
National Philanthropic Trust
13F CIK 1785342 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
231,520
11
Creek Drive Management Group LLC
13F CIK 2111824 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
90,000
12
Lambert Danielle
Insider CIK 2120146 · Mar 19, 2026
Director, issuer-wide, not summed
84,602
13
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
65,726
14
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
64,898
15
HRT FINANCIAL LP
13F CIK 1475597 · Unknown · Jun 30, 2026
Classes HQ, HQWWW, carried, not yet filed for the newest quarter
64,327
16
Alberta Investment Management Corp
13F CIK 1463559 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
62,500
17
Q Global Advisors, LLC
13F CIK 1469589 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
60,000
18
Centiva Capital, LP
13F CIK 1692507 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
58,791
19
Hudson Bay Capital Management LP
13F CIK 1393825 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
57,309
20
VAN ECK ASSOCIATES CORP
13F CIK 869178 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
44,038
21
DLD Asset Management, LP
13F CIK 1578299 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
40,000
22
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
37,940
22.1
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
11,035
23
LMR Partners LLP
13F CIK 1578621 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
37,122
24
K2 PRINCIPAL FUND, L.P.
13F CIK 1461790 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
34,000
25
Greenland Capital Management LP
13F CIK 1896430 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
22,646
26
Millennium Management LLC
13G CIK 1487118 · Unknown · Jun 17, 2026
Rule 13d-1(c), passive investor
20,632
27
ExodusPoint Capital Management, LP
13F CIK 1736225 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
18,905
28
JANE STREET GROUP, LLC
13F CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
18,091
29
Tidal Investments LLC
13F CIK 1600064 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
17,945
30
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
17,765
31
Engineers Gate Manager LP
13F CIK 1620220 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
14,270
32
ARISTEIA CAPITAL, L.L.C.
13F CIK 1080171 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
14,057
33
Saba Capital Management, L.P.
13F CIK 1510281 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
11,200
34
Fitzsimons Joseph Francis
Insider CIK 2122720 · Sep 12, 2026
Director, Chief Executive Officer, 10% Owner, issuer-wide, not summed
10,883
34.1
Joseph Francis Fitzsimons
13D CIK 2122720 · Unknown · Mar 19, 2026
Item 4 purpose: Other
19,744,585
35
US BANCORP \DE\
13F CIK 36104 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
10,283
36
Shay Capital LLC
13F CIK 1723643 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
9,152
37
Virtu Financial LLC
13F CIK 1533964 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
8,196
38
Scientech Research LLC
13F CIK 2011556 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
7,808
39
Tan Si-Hui
Insider CIK 2120880 · Sep 12, 2026
Chief Science Officer, issuer-wide, not summed
6,337
40
WELLS FARGO & COMPANY/MN
13F CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
4,800
41
Caption Management, LLC
13F CIK 1706766 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,997
42
FNY Investment Advisers, LLC
13F CIK 1742998 · Unknown · Sep 30, 2026
2,500
43
WOLVERINE ASSET MANAGEMENT LLC
13F CIK 1279891 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,341
44
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,336
45
Gould Greg
Insider CIK 2120154 · Sep 12, 2026
Chief Financial Officer, issuer-wide, not summed
2,165
46
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,335
47
Fitzsimons Catherine Michele
Insider CIK 2123065 · Sep 12, 2026
Chief Legal Officer, issuer-wide, not summed
1,026
48
OSAIC HOLDINGS, INC.
13F CIK 1677044 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
456
49
Farther Finance Advisors, LLC
13F CIK 1992825 · Registered investment adviser · Sep 30, 2026
284
50
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
98

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 52 holders

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Key facts CIK 2088256 CUSIP Y4000A102 13F (30d) 2 filings 2 filers Visit website Investor relations