16 institutions reported holding HQ for 2026Q1, together 7.6% of the company. Institutions reporting a position: 16 (as of 2026Q1). Shares held by institutions: 2.4M, long US equity positions only, as reported on Form 13F. Reported value: $21M, at 2026-03-31 prices, not today's. Top 5 holders: 6.9%, of the whole company, between five filers.

HQHorizon Quantum Holdings Ltd.

TechnologyUSD

$17.72

$8.3352 weeks$38.39

Who owns HQ

16 institutions reported holding HQ for 2026Q1, together 7.6% of the company.

Institutions reporting a position · as of 2026Q1

Shares held by institutions: 2.4M
Shares held by institutions · 7.6% of the company · long US equity positions only, as reported on Form 13F
Reported value: $21M
Reported value · at 2026-03-31 prices, not today's
Top 5 holders: 6.9%
Top 5 holders · of the whole company, between five filers

Details›

Reporting quarter2026-03-31: 2026Q1
Quarters on record: 1
New positions: 16
Positions exited: 0
Added to: 0
Reduced: 0
Top 10 holdersof the company: 7.5%

Largest reported holders, 2026Q1
Holder	Shares	% of company	Value
Data Collective IV GP, LLC	0.9M	2.9%	$8.0M
Davidson Kempner Capital Management LP	0.6M	2.0%	$5.6M
CITADEL ADVISORS LLC	0.3M	0.79%	$2.2M
National Philanthropic Trust	0.2M	0.73%	$2.0M
Hudson Bay Capital Management LP	0.2M	0.50%	$1.4M
UBS Group AG	0.1M	0.22%	$618K
METEORA CAPITAL, LLC	0.1M	0.17%	$478K
Shay Capital LLC	0.0M	0.13%	$351K
DLD Asset Management, LP	0.0M	0.09%	$242K
Lineage Point Capital LP	0.0M	0.05%	$141K

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

reading the register…

Software - Infrastructure

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