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HQ HORIZON QUANTUM HOLDINGS LTD

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CMN (common), issuer CIK 2088256

17 managers (17 13F filers) reported a position in HQ shares at 2026-03-31, 2,436,212 shares in all. 17 filers opened a position and 0 filers sold out during the quarter.

Managers
17
13F filers
17
New
17
Added
0
Reduced
0
Sold out
0
Shares held by filers
2,436,212

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Data Collective IV GP, LLC915,198$8.04M14.38%new13F-HRTimeline
Davidson Kempner Capital Management LP634,518$5.58M0.1%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC251,228$2.21M<0.01%new13F-HRTimelineGroup
National Philanthropic Trust231,520$2.04M0.02%new13F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…160,441$1.41M0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG70,334$618K<0.01%new13F-HRTimelineGroup
Meteora Capital, LLC54,362$478K0.04%new13F-HRTimeline
Shay Capital LLC39,901$351K0.05%new13F-HRTimeline
DLD Asset Management, LP27,500$242K0.02%new13F-HRTimeline
Deeter Investments LLP20,000$176K0.03%new13F-HRTimeline
Lineage Point Capital LP16,000$141K0.03%new13F-HRTimeline
HRT FINANCIAL LP13,059$114K<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,000$8.79K<0.01%new13F-HR/ATimelineGroup
Federation des caisses Desjardins du Qu…700$6.15K<0.01%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN250$2.2K<0.01%new13F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY200$1.76K<0.01%new13F-HRTimelineGroup
Caitong International Asset Management …1$9<0.01%new13F-HRTimeline