Who owns Horizon Quantum Holdings Ltd.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of HQWWW from SEC Form 13F filings across 11 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 11 institutions disclosed 345,702 shares of Horizon Quantum Holdings Ltd. worth $5.5M — about 34570200% of shares outstanding; the largest disclosed holder is Alberta Investment Management Corp. Source: SEC Form 13F filings, parsed by EvidInvest.
11
13F holders
$5.5M
value, 2026 filers
34570200%
of shares outstanding (345,702 sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of HQWWW's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Alberta Investment Management Corp | 62,500 | $1.0M | 0.0% | 6250000% | 0.0% |
| 2 | Q Global Advisors, LLC | 60,000 | $960,000 | 0.6% | 6000000% | -69.7% |
| 3 | Centiva Capital, LPNEW | 58,791 | $938,304 | 0.0% | 5879100% | new |
| 4 | Hudson Bay Capital Management LP | 57,309 | $914,652 | 0.0% | 5730900% | +21.9% |
| 5 | LMR Partners LLP | 37,122 | $593,952 | 0.0% | 3712200% | -89.4% |
| 6 | Greenland Capital Management LPNEW | 22,646 | $361,430 | 0.0% | 2264600% | new |
| 7 | HRT FINANCIAL LPNEW | 18,578 | $296,000 | 0.0% | 1857800% | new |
| 8 | ARISTEIA CAPITAL, L.L.C. | 14,057 | $217,884 | 0.0% | 1405700% | -61.3% |
| 9 | Saba Capital Management, L.P. | 11,200 | $173,600 | 0.0% | 1120000% | -94.7% |
| 10 | Caption Management, LLC | 2,997 | $47,952 | 0.0% | 299700% | 0.0% |
| 11 | UBS Group AG | 502 | $8,032 | 0.0% | 50200% | +232.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation. Research, not investment advice.