Who owns Xanadu Quantum Technologies Ltd, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Millennium Management LLC: 0.2% · 82,694 shares — Millennium Group Management LLC: 0.2% · 82,694 shares — Israel A. Englander: 0.2% · 82,694 shares
Polar Asset Management Partners Inc.: 4.6% · 2,000,000 shares
9 more 5% stakes behind a free account
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Xanadu Quantum Technologies Ltd they hold. Together these 98 managers report 7138626800.00% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| Deer Management Co. LLC | $276M | 22,785,156 | 33.97% | 2278515600.00% | June 30, 2026 |
| Capricorn Investment Group LLC | $134M | 11,080,951 | 0.60% | 1108095100.00% | June 30, 2026 |
96 more institutional holders behind a free account
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 11 funds hold 652023200.00% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| Defiance Quantum ETF | $68.5M | 1.09% | 565588200.00% | June 30, 2026 |
| WisdomTree Quantum Computing Fund | $7.22M | 2.20% | 59627400.00% | June 30, 2026 |
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