Quantum Biopharma-B Sub VotQNTM
13F holders, Q4 2025 (December 31)24holders +7
7new positions
2sold out
1famous investor
$7.30avg. 13F price*
At the end of Q4 2025, 24 institutions reported holding Quantum Biopharma-B Sub Vot (QNTM) in their 13F filings, up 7 from Q3 2025. 7 opened new positions and 2 sold out. The largest holders were AdvisorShares Investments LLC ($362K), Citadel Advisors ($116K) and Marex Group Ltd ($98K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Quantum Biopharma-B Sub Vot
- CUSIP
- 74764Y205
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $384K |
| Exits | 2 | $426 |
All 13F filers, Q3 2025 → Q4 2025: 70,843 shares bought and 10,274 shares sold, net +60,569 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 24 holders
| AdvisorShares Investments LLC | 0.06% | Add +33.3% | 49,633 | $362K |
| Citadel Advisors | 0.00% | New | 15,863 | $116K |
| Marex Group Ltd | 0.00% | No change | 13,436 | $98K |
| GTS Securities LLC | 0.00% | New | 12,300 | $90K |
| Jane Street Group, LLC | 0.00% | New | 10,892 | $80K |
| Virtu Financial LLC | 0.00% | New | 10,406 | $76K |
| Osaic Holdings, Inc. | 0.00% | Add +675.0% | 5,270 | $38K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +41.3% | 4,381 | $32K |
| UBS Group AG | 0.00% | Reduce -80.5% | 1,710 | $12K |
| Tucker Asset Management LLC | 0.00% | New | 1,114 | $8K |
| Atlantic Union Bankshares Corp | 0.00% | New | 1,000 | $7K |
| Farther Finance Advisors, LLC | 0.00% | New | 1,000 | $7K |
| JPMorgan Chase & Co. | 0.00% | Reduce -21.6% | 577 | $4K |
| Cetera Trust Company, N.A | 0.00% | No change | 250 | $2K |
| Morgan Stanley | 0.00% | Reduce -90.5% | 243 | $2K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +1.1% | 93 | $657 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -64.5% | 55 | $402 |
| Group One Trading LLC | 0.00% | No change | 34 | $248 |
| Rockefeller Capital Management L.P. | 0.00% | No change | 30 | $219 |
| Signature Equity Partners, LLC | 0.00% | — | 20 | $146 |
| Activest Wealth Management | 0.00% | No change | 15 | $110 |
| Bank of America Corp. | 0.00% | Reduce -96.0% | 4 | $29 |
| Purpose Unlimited Inc. | 0.00% | — | 1 | $7 |
| Royal Bank of Canada | 0.00% | Reduce -90.6% | 55 | $0 |
"% of holder's portfolio" is QNTM's weight in each manager's 13F, not the share of Quantum Biopharma-B Sub Vot the manager owns.