Summit Therapeutics Inc. (SMMT)
NASDAQ: SMMT · Real-Time Price · USD
15.46
-0.62 (-3.86%)
At close: Mar 12, 2026, 4:00 PM EDT
15.43
-0.03 (-0.19%)
After-hours: Mar 12, 2026, 7:58 PM EDT
Summit Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 12, 2026 | 15.88 | 16.16 | 15.47 | 15.47 | - | -3.82% | 1,699,817 |
| Mar 11, 2026 | 16.18 | 16.54 | 16.00 | 16.08 | 16.08 | -1.53% | 1,823,035 |
| Mar 10, 2026 | 15.87 | 16.64 | 15.87 | 16.33 | 16.33 | 3.88% | 2,973,178 |
| Mar 9, 2026 | 15.00 | 15.88 | 14.97 | 15.72 | 15.72 | 4.04% | 2,712,923 |
| Mar 6, 2026 | 14.73 | 15.35 | 14.60 | 15.11 | 15.11 | 1.14% | 2,307,446 |
| Mar 5, 2026 | 15.07 | 15.15 | 14.67 | 14.94 | 14.94 | -2.86% | 2,431,342 |
| Mar 4, 2026 | 15.29 | 15.42 | 14.93 | 15.38 | 15.38 | 1.79% | 2,156,155 |
| Mar 3, 2026 | 15.54 | 15.79 | 15.08 | 15.11 | 15.11 | -6.67% | 2,278,389 |
| Mar 2, 2026 | 16.00 | 16.41 | 15.85 | 16.19 | 16.19 | -2.41% | 1,865,990 |
| Feb 27, 2026 | 15.61 | 16.61 | 15.56 | 16.59 | 16.59 | 5.00% | 2,399,023 |
| Feb 26, 2026 | 15.72 | 15.82 | 15.36 | 15.80 | 15.80 | 0.77% | 1,290,461 |
| Feb 25, 2026 | 16.17 | 16.51 | 15.64 | 15.68 | 15.68 | -2.73% | 1,517,400 |
| Feb 24, 2026 | 15.78 | 16.80 | 15.50 | 16.12 | 16.12 | 0.19% | 2,618,211 |
| Feb 23, 2026 | 15.75 | 16.27 | 15.72 | 16.09 | 16.09 | 0.94% | 2,088,434 |
| Feb 20, 2026 | 15.68 | 16.21 | 15.66 | 15.94 | 15.94 | 0.44% | 2,446,499 |
| Feb 19, 2026 | 15.67 | 15.89 | 15.39 | 15.87 | 15.87 | -0.06% | 1,234,602 |
| Feb 18, 2026 | 15.57 | 16.16 | 15.49 | 15.88 | 15.88 | 1.28% | 1,488,736 |
| Feb 17, 2026 | 14.85 | 15.99 | 14.85 | 15.68 | 15.68 | 4.81% | 1,918,277 |
| Feb 13, 2026 | 14.74 | 15.57 | 14.67 | 14.96 | 14.96 | 2.26% | 2,157,849 |
| Feb 12, 2026 | 15.31 | 15.39 | 14.58 | 14.63 | 14.63 | -4.07% | 2,292,664 |
| Feb 11, 2026 | 15.27 | 15.51 | 14.64 | 15.25 | 15.25 | - | 2,682,764 |
| Feb 10, 2026 | 15.22 | 15.77 | 15.03 | 15.25 | 15.25 | 1.87% | 1,930,860 |
| Feb 9, 2026 | 15.00 | 15.08 | 14.66 | 14.97 | 14.97 | -0.13% | 1,935,300 |
| Feb 6, 2026 | 14.12 | 15.11 | 14.04 | 14.99 | 14.99 | 8.23% | 2,691,964 |
| Feb 5, 2026 | 14.10 | 14.41 | 13.83 | 13.85 | 13.85 | -3.95% | 3,830,560 |
| Feb 4, 2026 | 14.58 | 14.77 | 14.11 | 14.42 | 14.42 | -1.17% | 3,708,527 |
| Feb 3, 2026 | 14.13 | 14.77 | 14.13 | 14.59 | 14.59 | 3.77% | 3,508,469 |
| Feb 2, 2026 | 14.21 | 14.57 | 14.03 | 14.06 | 14.06 | -2.90% | 2,725,529 |
| Jan 30, 2026 | 15.20 | 15.31 | 14.43 | 14.48 | 14.48 | -5.97% | 4,142,211 |
| Jan 29, 2026 | 15.77 | 16.39 | 15.17 | 15.40 | 15.40 | -1.53% | 3,446,588 |
| Jan 28, 2026 | 15.88 | 15.88 | 15.45 | 15.64 | 15.64 | -1.64% | 2,539,060 |
| Jan 27, 2026 | 16.54 | 16.65 | 15.89 | 15.90 | 15.90 | -3.99% | 2,614,845 |
| Jan 26, 2026 | 16.29 | 16.78 | 16.08 | 16.56 | 16.56 | 0.42% | 2,253,234 |
| Jan 23, 2026 | 17.14 | 17.58 | 16.47 | 16.49 | 16.49 | -5.07% | 3,083,594 |
| Jan 22, 2026 | 16.92 | 17.98 | 16.87 | 17.37 | 17.37 | 3.09% | 3,545,980 |
| Jan 21, 2026 | 16.19 | 17.02 | 15.66 | 16.85 | 16.85 | 4.92% | 3,853,679 |
| Jan 20, 2026 | 16.65 | 16.79 | 16.03 | 16.06 | 16.06 | -5.75% | 3,210,957 |
| Jan 16, 2026 | 17.26 | 17.48 | 17.03 | 17.04 | 17.04 | -1.33% | 2,027,565 |
| Jan 15, 2026 | 17.65 | 17.86 | 17.21 | 17.27 | 17.27 | -2.15% | 2,673,418 |
| Jan 14, 2026 | 16.81 | 17.73 | 16.77 | 17.65 | 17.65 | 5.00% | 2,850,057 |
| Jan 13, 2026 | 17.16 | 17.50 | 16.27 | 16.81 | 16.81 | -1.35% | 4,088,340 |
| Jan 12, 2026 | 19.86 | 19.90 | 16.47 | 17.04 | 17.04 | -13.41% | 8,794,901 |
| Jan 9, 2026 | 19.00 | 20.20 | 18.98 | 19.68 | 19.68 | 4.51% | 2,826,204 |
| Jan 8, 2026 | 18.79 | 19.24 | 18.55 | 18.83 | 18.83 | -0.95% | 1,892,053 |
| Jan 7, 2026 | 18.98 | 19.51 | 18.66 | 19.01 | 19.01 | 1.88% | 2,656,675 |
| Jan 6, 2026 | 17.50 | 19.00 | 17.46 | 18.66 | 18.66 | 7.00% | 4,116,065 |
| Jan 5, 2026 | 17.49 | 17.74 | 17.29 | 17.44 | 17.44 | -0.46% | 2,032,954 |
| Jan 2, 2026 | 17.75 | 17.75 | 17.30 | 17.52 | 17.52 | 0.17% | 1,417,486 |
| Dec 31, 2025 | 17.36 | 17.59 | 17.15 | 17.49 | 17.49 | - | 1,645,504 |
| Dec 30, 2025 | 17.75 | 17.84 | 17.41 | 17.49 | 17.49 | -1.63% | 1,458,936 |