QNTM
Quantum Biopharma Ltd. Class B Subordinate Voting Shares
stockNASDAQ
At CloseNov 6, 2026 3:59:44 PM EST
2.09USD-0.476%(-0.01)43,607
Pre-marketNov 6, 2026 9:06:30 AM EST
2.0923USD-0.367%(-0.0077)
As of 2026-10-15, there were 519,981 shares short with a short interest of 9.13%.
QNTM Short Interest - Official
QNTM Short Position Change - Official
QNTM Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 9.13 | 519,981 | 3.02 | +158,884 | +44.00 | 8,087,521 | 5,693,376 |
| 2026-09-30 | 6.34 | 361,097 | 1.59 | +118,599 | +48.91 | 8,087,521 | 5,693,376 |
| 2026-09-15 | 4.26 | 242,498 | 1.48 | -18,524 | -7.10 | 42 | 5,693,376 |
| 2026-08-31 | 4.58 | 261,022 | 1.07 | -30,143 | -10.35 | 42 | 5,693,376 |
| 2026-08-14 | 5.11 | 291,165 | 1.00 | -12,624 | -4.16 | 6,429,595 | 5,693,376 |
| 2026-07-31 | 5.34 | 303,789 | 3.47 | -35,264 | -10.40 | 6,398,647 | 5,693,376 |
| 2026-07-15 | 8.21 | 339,053 | 3.77 | -19,174 | -5.35 | 6,398,647 | 4,129,985 |
| 2026-06-30 | 8.67 | 358,227 | 2.16 | +10,926 | +3.15 | 6,398,647 | 4,129,985 |
| 2026-06-15 | 8.41 | 347,301 | 1.00 | +125,636 | +56.68 | 6,398,647 | 4,129,985 |
| 2026-05-15 | 5.37 | 221,665 | 1.00 | -60,861 | -21.54 | 6,398,647 | 4,129,985 |
| 2026-04-30 | 10.27 | 282,526 | 1.00 | +101,667 | +56.21 | 5,829,265 | 2,749,814 |
| 2026-04-15 | 6.58 | 180,859 | 1.00 | -67,394 | -27.15 | 5,829,265 | 2,749,814 |
| 2026-03-31 | 9.03 | 248,253 | 1.00 | +19,045 | +8.31 | 4,213,434 | 2,749,814 |
| 2026-03-13 | 8.34 | 229,208 | 1.00 | +145,658 | +174.34 | 3,842,977 | 2,749,814 |
| 2026-02-27 | 3.04 | 83,550 | 2.50 | -24,889 | -22.95 | 3,842,977 | 2,749,814 |
| 2026-02-13 | 3.94 | 108,439 | 1.46 | +31,774 | +41.45 | 3,842,977 | 2,749,814 |
| 2026-01-30 | 2.79 | 76,665 | 1.17 | +29,679 | +63.17 | 3,842,977 | 2,749,814 |
| 2026-01-15 | 1.71 | 46,986 | 1.00 | -16,619 | -26.13 | 3,842,977 | 2,749,814 |
| 2025-12-31 | 2.31 | 63,605 | 1.00 | -4,162 | -6.14 | 3,842,977 | 2,749,814 |
| 2025-12-15 | 2.46 | 67,767 | 1.00 | -54,435 | -44.55 | 3,834,644 | 2,749,814 |
| 2025-11-28 | 4.51 | 122,202 | 1.00 | +89,290 | +271.30 | 3,816,988 | 2,709,587 |
| 2025-11-14 | 1.15 | 32,912 | 1.00 | +7,839 | +31.26 | 3,816,988 | 2,855,522 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.