Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
5.37
+0.92 (20.67%)
At close: Apr 28, 2026, 4:00 PM EDT
5.49
+0.12 (2.23%)
Pre-market: Apr 29, 2026, 7:53 AM EDT
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 4.36 | 5.60 | 4.36 | 5.37 | 5.37 | 20.67% | 928,156 |
| Apr 27, 2026 | 3.65 | 4.98 | 3.61 | 4.45 | 4.45 | 23.27% | 1,965,720 |
| Apr 24, 2026 | 3.26 | 3.65 | 3.18 | 3.61 | 3.61 | 12.46% | 248,698 |
| Apr 23, 2026 | 3.34 | 3.37 | 3.11 | 3.21 | 3.21 | -4.18% | 138,402 |
| Apr 22, 2026 | 3.53 | 3.90 | 3.20 | 3.35 | 3.35 | -2.62% | 442,186 |
| Apr 21, 2026 | 3.20 | 3.94 | 3.15 | 3.44 | 3.44 | 10.26% | 1,191,211 |
| Apr 20, 2026 | 3.15 | 3.20 | 3.05 | 3.12 | 3.12 | - | 77,523 |
| Apr 17, 2026 | 3.24 | 3.32 | 3.05 | 3.12 | 3.12 | -1.58% | 155,938 |
| Apr 16, 2026 | 3.12 | 3.33 | 3.07 | 3.17 | 3.17 | 3.26% | 197,783 |
| Apr 15, 2026 | 2.97 | 3.26 | 2.97 | 3.07 | 3.07 | 1.66% | 208,278 |
| Apr 14, 2026 | 3.36 | 3.44 | 2.80 | 3.02 | 3.02 | -9.99% | 431,205 |
| Apr 13, 2026 | 3.51 | 3.68 | 3.26 | 3.36 | 3.36 | -4.82% | 143,796 |
| Apr 10, 2026 | 3.26 | 3.68 | 3.25 | 3.53 | 3.53 | 7.80% | 111,308 |
| Apr 9, 2026 | 3.67 | 3.76 | 3.18 | 3.27 | 3.27 | -11.14% | 203,172 |
| Apr 8, 2026 | 4.01 | 4.12 | 3.60 | 3.68 | 3.68 | -5.15% | 254,248 |
| Apr 7, 2026 | 3.61 | 3.99 | 3.53 | 3.88 | 3.88 | 8.38% | 174,180 |
| Apr 6, 2026 | 3.92 | 3.95 | 3.54 | 3.58 | 3.58 | -10.05% | 264,405 |
| Apr 2, 2026 | 4.45 | 4.60 | 3.87 | 3.98 | 3.98 | -9.75% | 443,750 |
| Apr 1, 2026 | 5.08 | 6.21 | 4.40 | 4.41 | 4.41 | -8.70% | 1,158,071 |
| Mar 31, 2026 | 4.22 | 4.86 | 3.81 | 4.83 | 4.83 | 12.85% | 415,000 |
| Mar 30, 2026 | 5.05 | 6.47 | 3.95 | 4.28 | 4.28 | -10.27% | 2,255,970 |
| Mar 27, 2026 | 3.71 | 4.98 | 3.51 | 4.77 | 4.77 | 24.54% | 463,453 |
| Mar 26, 2026 | 4.20 | 4.41 | 3.60 | 3.83 | 3.83 | -11.95% | 281,117 |
| Mar 25, 2026 | 4.77 | 5.65 | 4.21 | 4.35 | 4.35 | -8.03% | 1,172,585 |
| Mar 24, 2026 | 3.04 | 4.83 | 3.01 | 4.73 | 4.73 | 52.58% | 2,942,956 |
| Mar 23, 2026 | 2.21 | 3.35 | 2.18 | 3.10 | 3.10 | 38.39% | 1,408,567 |
| Mar 20, 2026 | 2.32 | 2.38 | 2.20 | 2.24 | 2.24 | -5.08% | 73,081 |
| Mar 19, 2026 | 2.31 | 2.40 | 2.31 | 2.36 | 2.36 | -1.67% | 42,960 |
| Mar 18, 2026 | 2.37 | 2.46 | 2.33 | 2.40 | 2.40 | 0.21% | 72,389 |
| Mar 17, 2026 | 2.41 | 2.42 | 2.28 | 2.40 | 2.40 | 1.48% | 78,042 |
| Mar 16, 2026 | 2.47 | 2.48 | 2.32 | 2.36 | 2.36 | -4.84% | 178,771 |
| Mar 13, 2026 | 2.47 | 2.61 | 2.35 | 2.48 | 2.48 | -3.13% | 278,819 |
| Mar 12, 2026 | 2.23 | 3.20 | 2.11 | 2.56 | 2.56 | 21.90% | 3,184,891 |
| Mar 11, 2026 | 2.94 | 3.05 | 2.07 | 2.10 | 2.10 | -25.00% | 830,983 |
| Mar 10, 2026 | 3.36 | 3.51 | 2.80 | 2.80 | 2.80 | -16.67% | 340,561 |
| Mar 9, 2026 | 3.40 | 3.48 | 3.32 | 3.36 | 3.36 | -4.00% | 37,441 |
| Mar 6, 2026 | 3.53 | 3.75 | 3.45 | 3.50 | 3.50 | -2.51% | 53,664 |
| Mar 5, 2026 | 3.80 | 3.80 | 3.53 | 3.59 | 3.59 | -5.53% | 28,569 |
| Mar 4, 2026 | 3.76 | 3.90 | 3.65 | 3.80 | 3.80 | 1.33% | 42,171 |
| Mar 3, 2026 | 3.60 | 3.80 | 3.57 | 3.75 | 3.75 | 4.17% | 30,617 |
| Mar 2, 2026 | 3.50 | 3.65 | 3.41 | 3.60 | 3.60 | 1.41% | 45,568 |
| Feb 27, 2026 | 3.55 | 3.76 | 3.51 | 3.55 | 3.55 | -0.84% | 31,749 |
| Feb 26, 2026 | 3.77 | 3.83 | 3.55 | 3.58 | 3.58 | -5.54% | 30,049 |
| Feb 25, 2026 | 3.81 | 3.86 | 3.73 | 3.79 | 3.79 | -0.52% | 24,921 |
| Feb 24, 2026 | 3.53 | 3.84 | 3.53 | 3.81 | 3.81 | 7.63% | 23,147 |
| Feb 23, 2026 | 3.65 | 3.73 | 3.52 | 3.54 | 3.54 | -4.07% | 50,754 |
| Feb 20, 2026 | 3.72 | 4.00 | 3.63 | 3.69 | 3.69 | -0.81% | 34,711 |
| Feb 19, 2026 | 3.72 | 3.78 | 3.65 | 3.72 | 3.72 | 2.20% | 22,726 |
| Feb 18, 2026 | 3.65 | 3.80 | 3.51 | 3.64 | 3.64 | -1.89% | 53,957 |
| Feb 17, 2026 | 3.70 | 4.00 | 3.63 | 3.71 | 3.71 | 1.92% | 51,600 |
| Feb 13, 2026 | 3.66 | 3.85 | 3.62 | 3.64 | 3.64 | -0.27% | 21,147 |
| Feb 12, 2026 | 3.85 | 3.98 | 3.65 | 3.65 | 3.65 | -5.19% | 44,124 |
| Feb 11, 2026 | 4.00 | 4.04 | 3.80 | 3.85 | 3.85 | -2.53% | 41,068 |
| Feb 10, 2026 | 3.93 | 4.04 | 3.91 | 3.95 | 3.95 | 0.25% | 28,983 |
| Feb 9, 2026 | 4.01 | 4.05 | 3.80 | 3.94 | 3.94 | -6.19% | 50,357 |
| Feb 6, 2026 | 3.96 | 4.29 | 3.90 | 4.20 | 4.20 | 7.14% | 105,458 |
| Feb 5, 2026 | 3.88 | 4.15 | 3.75 | 3.92 | 3.92 | -2.00% | 80,678 |
| Feb 4, 2026 | 4.05 | 4.29 | 3.86 | 4.00 | 4.00 | -0.74% | 191,411 |
| Feb 3, 2026 | 4.24 | 4.30 | 4.00 | 4.03 | 4.03 | -4.95% | 65,019 |
| Feb 2, 2026 | 4.60 | 4.60 | 4.07 | 4.24 | 4.24 | -7.42% | 124,030 |
| Jan 30, 2026 | 4.90 | 4.98 | 4.50 | 4.58 | 4.58 | -5.95% | 48,562 |
| Jan 29, 2026 | 4.85 | 5.05 | 4.63 | 4.87 | 4.87 | -0.81% | 51,659 |
| Jan 28, 2026 | 5.20 | 5.29 | 4.80 | 4.91 | 4.91 | -4.66% | 82,585 |
| Jan 27, 2026 | 5.37 | 5.47 | 5.08 | 5.15 | 5.15 | -4.45% | 71,211 |
| Jan 26, 2026 | 6.18 | 6.18 | 5.25 | 5.39 | 5.39 | -12.78% | 116,136 |
| Jan 23, 2026 | 6.30 | 6.47 | 6.01 | 6.18 | 6.18 | -1.90% | 46,101 |
| Jan 22, 2026 | 6.60 | 6.77 | 6.05 | 6.30 | 6.30 | -1.87% | 69,753 |
| Jan 21, 2026 | 7.00 | 7.21 | 6.25 | 6.42 | 6.42 | -11.08% | 67,807 |
| Jan 20, 2026 | 7.00 | 7.29 | 6.93 | 7.22 | 7.22 | 2.41% | 82,548 |
| Jan 16, 2026 | 6.96 | 7.18 | 6.87 | 7.05 | 7.05 | 1.29% | 28,085 |
| Jan 15, 2026 | 6.90 | 7.05 | 6.85 | 6.96 | 6.96 | -0.71% | 39,805 |
| Jan 14, 2026 | 7.10 | 7.34 | 6.94 | 7.01 | 7.01 | -5.65% | 47,799 |
| Jan 13, 2026 | 7.10 | 7.50 | 6.86 | 7.43 | 7.43 | 6.75% | 55,941 |
| Jan 12, 2026 | 6.94 | 7.22 | 6.93 | 6.96 | 6.96 | 0.43% | 40,593 |
| Jan 9, 2026 | 7.45 | 7.46 | 6.91 | 6.93 | 6.93 | -4.55% | 39,905 |
| Jan 8, 2026 | 7.34 | 7.60 | 7.22 | 7.26 | 7.26 | -4.47% | 63,183 |
| Jan 7, 2026 | 7.00 | 7.65 | 6.91 | 7.60 | 7.60 | 8.42% | 71,974 |
| Jan 6, 2026 | 7.10 | 7.30 | 6.86 | 7.01 | 7.01 | -3.04% | 51,657 |
| Jan 5, 2026 | 7.00 | 7.50 | 6.86 | 7.23 | 7.23 | 3.14% | 92,238 |
| Jan 2, 2026 | 7.00 | 7.14 | 6.50 | 7.01 | 7.01 | -3.97% | 68,815 |
| Dec 31, 2025 | 7.00 | 7.88 | 6.90 | 7.30 | 7.30 | -0.41% | 119,128 |
| Dec 30, 2025 | 8.00 | 8.09 | 7.05 | 7.33 | 7.33 | -8.83% | 103,076 |
| Dec 29, 2025 | 8.30 | 8.40 | 8.00 | 8.04 | 8.04 | -3.13% | 55,186 |
| Dec 26, 2025 | 8.62 | 9.00 | 8.03 | 8.30 | 8.30 | -4.49% | 64,359 |
| Dec 24, 2025 | 9.29 | 9.29 | 8.63 | 8.69 | 8.69 | -8.14% | 48,760 |
| Dec 23, 2025 | 10.75 | 10.81 | 9.34 | 9.46 | 9.46 | -11.51% | 133,568 |
| Dec 22, 2025 | 10.38 | 11.49 | 10.05 | 10.69 | 10.69 | 20.25% | 399,937 |
| Dec 19, 2025 | 8.80 | 9.00 | 8.45 | 8.89 | 8.89 | 0.79% | 46,546 |
| Dec 18, 2025 | 8.89 | 8.90 | 8.35 | 8.82 | 8.82 | 6.52% | 59,689 |
| Dec 17, 2025 | 8.79 | 9.17 | 8.11 | 8.28 | 8.28 | -4.28% | 76,514 |
| Dec 16, 2025 | 7.70 | 8.70 | 7.70 | 8.65 | 8.65 | 11.61% | 37,829 |
| Dec 15, 2025 | 9.41 | 9.68 | 7.52 | 7.75 | 7.75 | -17.38% | 58,456 |
| Dec 12, 2025 | 9.94 | 9.98 | 9.20 | 9.38 | 9.38 | -4.67% | 19,393 |
| Dec 11, 2025 | 10.33 | 10.94 | 9.47 | 9.84 | 9.84 | -7.26% | 78,997 |
| Dec 10, 2025 | 10.98 | 11.00 | 10.51 | 10.61 | 10.61 | -0.19% | 74,495 |
| Dec 9, 2025 | 10.01 | 10.70 | 9.86 | 10.63 | 10.63 | 4.94% | 52,048 |
| Dec 8, 2025 | 10.10 | 10.19 | 9.51 | 10.13 | 10.13 | 0.90% | 34,737 |
| Dec 5, 2025 | 9.65 | 10.17 | 9.56 | 10.04 | 10.04 | 0.40% | 70,528 |
| Dec 4, 2025 | 10.00 | 10.08 | 9.43 | 10.00 | 10.00 | 0.10% | 64,811 |
| Dec 3, 2025 | 10.00 | 10.50 | 9.22 | 9.99 | 9.99 | 2.99% | 96,825 |