Summit Therapeutics Inc. (SMMT)
NASDAQ: SMMT · Real-Time Price · USD
17.59
+0.42 (2.45%)
At close: Oct 9, 2026, 4:00 PM EDT
17.55
-0.04 (-0.23%)
After-hours: Oct 9, 2026, 7:58 PM EDT
Summit Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | 17.36 | 17.62 | 16.82 | 17.59 | 17.59 | 2.45% | 5,755,325 |
| Oct 8, 2026 | 17.61 | 17.64 | 16.80 | 17.17 | 17.17 | -4.35% | 6,172,442 |
| Oct 7, 2026 | 17.10 | 18.33 | 16.98 | 17.95 | 17.95 | 3.70% | 8,166,246 |
| Oct 6, 2026 | 17.49 | 17.53 | 16.53 | 17.31 | 17.31 | 0.23% | 5,845,498 |
| Oct 5, 2026 | 16.97 | 17.62 | 16.44 | 17.27 | 17.27 | 3.07% | 5,266,393 |
| Oct 2, 2026 | 16.96 | 17.32 | 16.66 | 16.76 | 16.76 | 0.39% | 5,196,190 |
| Oct 1, 2026 | 16.82 | 17.50 | 16.59 | 16.69 | 16.69 | -1.30% | 7,900,981 |
| Sep 30, 2026 | 16.59 | 17.72 | 16.17 | 16.91 | 16.91 | 3.17% | 13,060,430 |
| Sep 29, 2026 | 18.91 | 19.09 | 16.15 | 16.39 | 16.39 | 5.88% | 27,339,973 |
| Sep 28, 2026 | 15.50 | 15.82 | 15.18 | 15.48 | 15.48 | -0.83% | 6,151,131 |
| Sep 25, 2026 | 16.45 | 16.58 | 15.55 | 15.61 | 15.61 | -4.70% | 3,807,975 |
| Sep 24, 2026 | 16.37 | 16.78 | 16.09 | 16.38 | 16.38 | -0.43% | 5,045,332 |
| Sep 23, 2026 | 17.10 | 17.46 | 16.25 | 16.45 | 16.45 | -3.91% | 3,891,072 |
| Sep 22, 2026 | 16.97 | 17.50 | 16.79 | 17.12 | 17.12 | 1.30% | 4,617,160 |
| Sep 21, 2026 | 18.40 | 18.42 | 16.64 | 16.90 | 16.90 | -5.32% | 5,780,847 |
| Sep 18, 2026 | 17.74 | 17.87 | 17.31 | 17.85 | 17.85 | 0.73% | 13,060,581 |
| Sep 17, 2026 | 17.73 | 18.10 | 17.42 | 17.72 | 17.72 | 2.43% | 6,134,988 |
| Sep 16, 2026 | 17.50 | 17.75 | 17.11 | 17.30 | 17.30 | -0.57% | 6,087,888 |
| Sep 15, 2026 | 18.16 | 18.47 | 17.11 | 17.40 | 17.40 | -5.54% | 5,796,861 |
| Sep 14, 2026 | 18.07 | 18.83 | 17.97 | 18.42 | 18.42 | 4.96% | 7,066,883 |
| Sep 11, 2026 | 17.20 | 17.70 | 17.14 | 17.55 | 17.55 | 3.24% | 4,278,137 |
| Sep 10, 2026 | 17.30 | 17.62 | 16.80 | 17.00 | 17.00 | -3.08% | 4,221,476 |
| Sep 9, 2026 | 18.21 | 18.32 | 17.24 | 17.54 | 17.54 | 1.50% | 4,803,972 |
| Sep 8, 2026 | 17.43 | 17.69 | 16.97 | 17.28 | 17.28 | -1.85% | 7,355,093 |
| Sep 4, 2026 | 16.94 | 17.63 | 16.80 | 17.61 | 17.61 | 2.77% | 6,946,115 |
| Sep 3, 2026 | 15.52 | 17.35 | 15.52 | 17.13 | 17.13 | 17.33% | 14,922,226 |
| Sep 2, 2026 | 14.15 | 14.72 | 14.06 | 14.60 | 14.60 | 3.11% | 3,779,231 |
| Sep 1, 2026 | 13.38 | 14.48 | 13.37 | 14.16 | 14.16 | 3.96% | 4,703,282 |
| Aug 31, 2026 | 13.51 | 13.73 | 13.44 | 13.62 | 13.62 | -0.80% | 5,425,208 |
| Aug 28, 2026 | 14.11 | 14.24 | 13.43 | 13.73 | 13.73 | -4.19% | 3,906,883 |
| Aug 27, 2026 | 14.30 | 14.65 | 13.92 | 14.33 | 14.33 | 0.70% | 4,838,165 |
| Aug 26, 2026 | 14.75 | 15.10 | 14.11 | 14.23 | 14.23 | 6.51% | 11,634,709 |
| Aug 25, 2026 | 13.27 | 13.60 | 13.05 | 13.36 | 13.36 | 4.95% | 6,333,662 |
| Aug 24, 2026 | 13.08 | 13.21 | 12.22 | 12.73 | 12.73 | -3.27% | 4,390,696 |
| Aug 21, 2026 | 12.69 | 13.53 | 12.57 | 13.16 | 13.16 | 5.87% | 7,074,307 |
| Aug 20, 2026 | 13.01 | 13.02 | 12.29 | 12.43 | 12.43 | -5.19% | 6,568,692 |
| Aug 19, 2026 | 13.31 | 13.39 | 12.92 | 13.11 | 13.11 | 2.26% | 5,431,233 |
| Aug 18, 2026 | 12.60 | 13.00 | 12.53 | 12.82 | 12.82 | 0.31% | 4,603,920 |
| Aug 17, 2026 | 13.05 | 13.07 | 12.07 | 12.78 | 12.78 | -4.27% | 9,878,550 |
| Aug 14, 2026 | 13.61 | 13.71 | 12.99 | 13.35 | 13.35 | -4.64% | 9,748,872 |
| Aug 13, 2026 | 15.16 | 15.24 | 13.99 | 14.00 | 14.00 | -7.28% | 6,562,458 |
| Aug 12, 2026 | 15.41 | 15.75 | 15.00 | 15.10 | 15.10 | -0.10% | 3,676,478 |
| Aug 11, 2026 | 15.03 | 15.73 | 14.68 | 15.12 | 15.12 | 1.65% | 4,960,447 |
| Aug 10, 2026 | 14.14 | 14.90 | 14.10 | 14.87 | 14.87 | 6.52% | 3,491,647 |
| Aug 7, 2026 | 13.90 | 14.02 | 13.52 | 13.96 | 13.96 | 3.10% | 2,182,583 |
| Aug 6, 2026 | 13.63 | 13.93 | 13.44 | 13.54 | 13.54 | 0.07% | 2,487,267 |
| Aug 5, 2026 | 13.91 | 13.96 | 13.44 | 13.53 | 13.53 | -1.67% | 3,154,634 |
| Aug 4, 2026 | 13.20 | 13.98 | 13.11 | 13.76 | 13.76 | 5.48% | 4,000,016 |
| Aug 3, 2026 | 13.11 | 13.25 | 12.77 | 13.05 | 13.05 | 0.19% | 3,451,641 |
| Jul 31, 2026 | 13.44 | 13.59 | 13.01 | 13.02 | 13.02 | -3.12% | 3,995,138 |