Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
15.19
+0.68 (4.69%)
At close: Oct 13, 2025, 4:00 PM EDT
15.30
+0.11 (0.72%)
After-hours: Oct 13, 2025, 6:01 PM EDT
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 13, 2025 | 14.43 | 15.52 | 14.43 | 15.19 | 15.19 | 4.69% | 73,561 |
| Oct 10, 2025 | 15.30 | 15.94 | 14.50 | 14.51 | 14.51 | -5.23% | 93,439 |
| Oct 9, 2025 | 16.00 | 16.00 | 15.11 | 15.31 | 15.31 | -2.92% | 72,672 |
| Oct 8, 2025 | 17.47 | 17.50 | 15.64 | 15.77 | 15.77 | -8.21% | 163,602 |
| Oct 7, 2025 | 17.90 | 18.13 | 16.50 | 17.18 | 17.18 | -3.89% | 142,511 |
| Oct 6, 2025 | 18.67 | 18.87 | 17.66 | 17.88 | 17.88 | -3.12% | 123,449 |
| Oct 3, 2025 | 18.50 | 19.00 | 17.37 | 18.45 | 18.45 | 1.93% | 182,715 |
| Oct 2, 2025 | 17.06 | 19.30 | 16.52 | 18.10 | 18.10 | 9.50% | 225,403 |
| Oct 1, 2025 | 16.48 | 17.11 | 16.00 | 16.53 | 16.53 | 0.79% | 53,733 |
| Sep 30, 2025 | 16.02 | 16.46 | 15.44 | 16.40 | 16.40 | 1.30% | 67,799 |
| Sep 29, 2025 | 16.04 | 16.98 | 15.90 | 16.19 | 16.19 | -0.80% | 100,460 |
| Sep 26, 2025 | 17.23 | 17.69 | 15.55 | 16.32 | 16.32 | -4.39% | 126,968 |
| Sep 25, 2025 | 17.00 | 17.75 | 16.51 | 17.07 | 17.07 | -0.35% | 67,040 |
| Sep 24, 2025 | 18.35 | 18.35 | 16.65 | 17.13 | 17.13 | -6.70% | 91,324 |
| Sep 23, 2025 | 18.49 | 19.42 | 18.00 | 18.36 | 18.36 | -0.70% | 81,918 |
| Sep 22, 2025 | 19.17 | 19.17 | 18.00 | 18.49 | 18.49 | -2.01% | 89,000 |
| Sep 19, 2025 | 20.42 | 21.00 | 18.51 | 18.87 | 18.87 | -5.60% | 192,268 |
| Sep 18, 2025 | 18.22 | 20.20 | 18.22 | 19.99 | 19.99 | 12.49% | 171,505 |
| Sep 17, 2025 | 16.76 | 18.00 | 16.45 | 17.77 | 17.77 | 6.73% | 126,656 |
| Sep 16, 2025 | 17.91 | 18.75 | 16.48 | 16.65 | 16.65 | -4.31% | 152,717 |
| Sep 15, 2025 | 16.66 | 17.74 | 15.60 | 17.40 | 17.40 | 0.99% | 99,043 |
| Sep 12, 2025 | 14.85 | 17.50 | 14.85 | 17.23 | 17.23 | 7.55% | 149,229 |
| Sep 11, 2025 | 15.52 | 16.40 | 15.00 | 16.02 | 16.02 | -0.93% | 207,415 |
| Sep 10, 2025 | 13.16 | 17.79 | 12.91 | 16.17 | 16.17 | 27.42% | 482,589 |
| Sep 9, 2025 | 12.74 | 13.45 | 12.52 | 12.69 | 12.69 | -2.38% | 122,469 |
| Sep 8, 2025 | 13.85 | 13.90 | 12.14 | 13.00 | 13.00 | -7.51% | 221,509 |
| Sep 5, 2025 | 14.58 | 14.64 | 13.70 | 14.06 | 14.06 | -1.64% | 117,656 |
| Sep 4, 2025 | 15.38 | 15.69 | 14.07 | 14.29 | 14.29 | -8.98% | 120,351 |
| Sep 3, 2025 | 16.75 | 16.86 | 15.51 | 15.70 | 15.70 | -3.71% | 162,100 |
| Sep 2, 2025 | 17.00 | 17.65 | 16.21 | 16.31 | 16.31 | -3.23% | 98,635 |
| Aug 29, 2025 | 17.40 | 17.50 | 16.48 | 16.85 | 16.85 | -2.32% | 55,340 |
| Aug 28, 2025 | 16.96 | 18.08 | 16.56 | 17.25 | 17.25 | 2.99% | 90,287 |
| Aug 27, 2025 | 16.00 | 18.13 | 16.00 | 16.75 | 16.75 | 2.45% | 98,183 |
| Aug 26, 2025 | 17.78 | 17.92 | 16.25 | 16.35 | 16.35 | -7.65% | 105,430 |
| Aug 25, 2025 | 18.20 | 18.45 | 17.48 | 17.71 | 17.71 | -2.10% | 70,398 |
| Aug 22, 2025 | 18.07 | 18.84 | 17.50 | 18.09 | 18.09 | 0.19% | 78,057 |
| Aug 21, 2025 | 18.22 | 19.48 | 17.85 | 18.05 | 18.05 | -0.50% | 87,182 |
| Aug 20, 2025 | 17.83 | 18.86 | 17.50 | 18.14 | 18.14 | 0.61% | 100,405 |
| Aug 19, 2025 | 20.43 | 20.94 | 17.80 | 18.03 | 18.03 | -12.54% | 229,189 |
| Aug 18, 2025 | 22.35 | 22.47 | 20.43 | 20.62 | 20.62 | -8.17% | 97,210 |
| Aug 15, 2025 | 22.14 | 22.57 | 21.01 | 22.45 | 22.45 | 0.45% | 121,612 |
| Aug 14, 2025 | 23.00 | 23.66 | 21.73 | 22.35 | 22.35 | -3.87% | 123,491 |
| Aug 13, 2025 | 24.60 | 25.30 | 22.75 | 23.25 | 23.25 | -4.44% | 238,385 |
| Aug 12, 2025 | 26.50 | 27.00 | 21.75 | 24.33 | 24.33 | -7.35% | 452,333 |
| Aug 11, 2025 | 30.76 | 31.91 | 25.30 | 26.26 | 26.26 | -10.10% | 371,567 |
| Aug 8, 2025 | 27.81 | 29.25 | 26.94 | 29.21 | 29.21 | 12.30% | 217,276 |
| Aug 7, 2025 | 28.00 | 30.75 | 25.24 | 26.01 | 26.01 | -0.50% | 342,836 |
| Aug 6, 2025 | 25.32 | 26.50 | 24.37 | 26.14 | 26.14 | 6.39% | 122,714 |
| Aug 5, 2025 | 26.87 | 27.44 | 24.20 | 24.57 | 24.57 | -11.62% | 244,622 |
| Aug 4, 2025 | 24.01 | 28.15 | 23.72 | 27.80 | 27.80 | 17.30% | 231,280 |