Quantum BioPharma Ltd. (QNTM)
NASDAQ: QNTM · Real-Time Price · USD
3.800
-0.130 (-3.31%)
At close: Jun 26, 2026, 4:00 PM EDT
3.809
+0.009 (0.23%)
After-hours: Jun 26, 2026, 7:38 PM EDT
Quantum BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 3.93 | 4.01 | 3.64 | 3.80 | 3.80 | -3.31% | 104,072 |
| Jun 25, 2026 | 4.00 | 4.14 | 3.85 | 3.93 | 3.93 | 0.51% | 114,653 |
| Jun 24, 2026 | 3.83 | 4.40 | 3.81 | 3.91 | 3.91 | 1.56% | 480,706 |
| Jun 23, 2026 | 3.50 | 4.06 | 3.50 | 3.85 | 3.85 | 5.19% | 191,786 |
| Jun 22, 2026 | 3.70 | 3.84 | 3.54 | 3.66 | 3.66 | -3.68% | 107,116 |
| Jun 18, 2026 | 4.15 | 4.15 | 3.70 | 3.80 | 3.80 | -4.28% | 166,356 |
| Jun 17, 2026 | 3.67 | 4.22 | 3.62 | 3.97 | 3.97 | 9.07% | 245,521 |
| Jun 16, 2026 | 3.70 | 3.72 | 3.52 | 3.64 | 3.64 | -1.62% | 95,674 |
| Jun 15, 2026 | 3.81 | 3.94 | 3.66 | 3.70 | 3.70 | -3.39% | 171,677 |
| Jun 12, 2026 | 4.04 | 4.10 | 3.78 | 3.83 | 3.83 | -4.25% | 118,316 |
| Jun 11, 2026 | 3.86 | 4.13 | 3.71 | 4.00 | 4.00 | 1.78% | 194,885 |
| Jun 10, 2026 | 3.84 | 4.25 | 3.84 | 3.93 | 3.93 | 1.03% | 187,842 |
| Jun 9, 2026 | 4.08 | 4.10 | 3.59 | 3.89 | 3.89 | -3.95% | 322,028 |
| Jun 8, 2026 | 4.30 | 4.58 | 3.90 | 4.05 | 4.05 | -4.93% | 265,277 |
| Jun 5, 2026 | 4.49 | 4.49 | 4.02 | 4.26 | 4.26 | -4.91% | 382,749 |
| Jun 4, 2026 | 4.76 | 5.08 | 4.18 | 4.48 | 4.48 | -8.20% | 586,518 |
| Jun 3, 2026 | 5.42 | 5.45 | 4.70 | 4.88 | 4.88 | -4.50% | 356,336 |
| Jun 2, 2026 | 5.05 | 5.24 | 4.70 | 5.11 | 5.11 | -2.67% | 608,964 |
| Jun 1, 2026 | 6.70 | 6.71 | 5.25 | 5.25 | 5.25 | -23.47% | 698,340 |
| May 29, 2026 | 7.11 | 7.24 | 6.65 | 6.86 | 6.86 | -2.28% | 196,794 |
| May 28, 2026 | 7.56 | 7.62 | 6.43 | 7.02 | 7.02 | -8.12% | 542,722 |
| May 27, 2026 | 7.10 | 7.83 | 6.62 | 7.64 | 7.64 | 8.37% | 551,567 |
| May 26, 2026 | 10.51 | 10.81 | 6.56 | 7.05 | 7.05 | -23.70% | 1,788,037 |
| May 22, 2026 | 7.80 | 9.30 | 7.21 | 9.24 | 9.24 | 18.31% | 833,836 |
| May 21, 2026 | 8.10 | 8.25 | 7.45 | 7.81 | 7.81 | - | 478,891 |
| May 20, 2026 | 7.23 | 8.24 | 6.70 | 7.81 | 7.81 | 11.57% | 476,252 |
| May 19, 2026 | 6.58 | 7.18 | 6.35 | 7.00 | 7.00 | 11.64% | 336,043 |
| May 18, 2026 | 7.45 | 7.69 | 6.07 | 6.27 | 6.27 | -7.93% | 499,932 |
| May 15, 2026 | 6.78 | 7.40 | 6.60 | 6.81 | 6.81 | -0.87% | 380,072 |
| May 14, 2026 | 5.55 | 7.25 | 5.46 | 6.87 | 6.87 | 25.59% | 827,817 |
| May 13, 2026 | 5.19 | 5.70 | 5.08 | 5.47 | 5.47 | 5.19% | 157,563 |
| May 12, 2026 | 5.09 | 5.34 | 4.89 | 5.20 | 5.20 | 2.77% | 121,442 |
| May 11, 2026 | 4.79 | 5.34 | 4.60 | 5.06 | 5.06 | 3.69% | 173,011 |
| May 8, 2026 | 4.93 | 5.01 | 4.70 | 4.88 | 4.88 | -2.59% | 118,020 |
| May 7, 2026 | 5.25 | 5.41 | 4.85 | 5.01 | 5.01 | -5.11% | 184,599 |
| May 6, 2026 | 5.17 | 5.54 | 5.17 | 5.28 | 5.28 | -1.49% | 207,637 |
| May 5, 2026 | 5.23 | 5.59 | 5.15 | 5.36 | 5.36 | 3.08% | 244,081 |
| May 4, 2026 | 5.52 | 5.73 | 5.02 | 5.20 | 5.20 | -6.31% | 128,707 |
| May 1, 2026 | 5.73 | 6.16 | 5.39 | 5.55 | 5.55 | -3.14% | 360,008 |
| Apr 30, 2026 | 5.65 | 5.90 | 5.00 | 5.73 | 5.73 | 1.42% | 487,550 |
| Apr 29, 2026 | 5.43 | 5.70 | 4.62 | 5.65 | 5.65 | 5.21% | 671,652 |
| Apr 28, 2026 | 4.36 | 5.60 | 4.36 | 5.37 | 5.37 | 20.67% | 932,159 |
| 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 |