Quantum BioPharma Ltd. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| ADVISORSHARES INVESTMENTS LLC | 04/28/2026 | 108.59 K | $524.50 K | 118.79% | 3.30% |
| PLATFORM TECHNOLOGY PARTNERS | 04/27/2026 | 41.12 K | $198.59 K | 100.00% | 1.25% |
| JANE STREET GROUP, LLC | 05/12/2026 | 31.50 K | $152.15 K | 189.21% | 0.96% |
| CITADEL ADVISORS LLC | 05/15/2026 | 15.86 K | $76.62 K | 0.00% | 0.48% |
| MAREX GROUP PLC | 05/13/2026 | 13.47 K | $65.05 K | 0.24% | 0.41% |
| VIRTU FINANCIAL LLC | 05/14/2026 | 12.28 K | $59.00 K | 18.03% | 0.37% |
| MARINER, LLC | 05/13/2026 | 10.06 K | $48.55 K | 100.00% | 0.31% |
| UBS GROUP AG | 05/05/2026 | 7.24 K | $34.96 K | 323.22% | 0.22% |
| ADVISOR GROUP HOLDINGS, INC. | 05/15/2026 | 6.38 K | $30.79 K | 20.97% | 0.19% |
| STEWARD PARTNERS INVESTMENT ADVISORY, LLC | 05/08/2026 | 4.38 K | $21.16 K | 0.00% | 0.13% |
| ATLANTIC UNION BANKSHARES CORP | 05/12/2026 | 1.00 K | $4.83 K | 0.00% | 0.03% |
| FARTHER FINANCE ADVISORS, LLC | 04/07/2026 | 1.00 K | $4.41 K | 0.00% | 0.03% |
| JONES FINANCIAL COMPANIES LLLP | 05/15/2026 | 700 | $3.34 K | 100.00% | 0.02% |
| CETERA TRUST COMPANY, N.A | 05/08/2026 | 250 | $1.21 K | 0.00% | 0.01% |
| WELLS FARGO & COMPANY/MN | 05/11/2026 | 100 | $477 | 100.00% | 0.00% |
| FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 05/14/2026 | 93 | $369 | 0.00% | 0.00% |
| SBI SECURITIES CO., LTD. | 04/28/2026 | 75 | $362 | 36.36% | 0.00% |
| TOWER RESEARCH CAPITAL LLC (TRC) | 05/15/2026 | 71 | $343 | 100.00% | 0.00% |
| GROUP ONE TRADING, L.P. | 05/13/2026 | 34 | $164 | 0.00% | 0.00% |
| ROCKEFELLER CAPITAL MANAGEMENT L.P. | 05/14/2026 | 30 | $145 | 0.00% | 0.00% |
| NATIONAL BANK OF CANADA /FI/ | 05/15/2026 | 20 | $93 | 100.00% | 0.00% |
| TD WATERHOUSE CANADA INC. | 05/12/2026 | 20 | $88 | 100.00% | 0.00% |
| ACTIVEST WEALTH MANAGEMENT | 04/15/2026 | 15 | $72 | 0.00% | 0.00% |
| 05/15/2026 | 1 | $4 | 0.00% | 0.00% | |
| JPMORGAN CHASE & CO | 05/13/2026 | 0 | $0 | -100.00% | 0.00% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 0 | $0 | -100.00% | 0.00% |
| MORGAN STANLEY | 05/15/2026 | 0 | $0 | -100.00% | 0.00% |
| GTS SECURITIES LLC | 05/15/2026 | 0 | $0 | -100.00% | 0.00% |
| 05/13/2026 | 0 | $0 | -100.00% | 0.00% |
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Quantum BioPharma Ltd. institutional Ownership - FAQ's
During the previous two years, 28 institutional investors and hedge funds held shares of Quantum BioPharma Ltd.. The most heavily invested institutionals were:
AdvisorShares Investments LLC: 108,591
Platform Technology Partners: 41,116
JANE STREET GROUP, LLC: 31,501
CITADEL ADVISORS LLC: 15,863
Marex Group plc: 13,468
Virtu Financial LLC: 12,282
7.74% of Quantum BioPharma Ltd. stock is owned by institutional investors.
Institutional investors have bought a total of 255.40 K shares in the last 24 months. This purchase volume represents approximately $858.13 K in transactions.