Summit Therapeutics Inc. (SMMT)
NASDAQ: SMMT · Real-Time Price · USD
21.26
-0.86 (-3.89%)
At close: Apr 28, 2026, 4:00 PM EDT
21.94
+0.68 (3.20%)
Pre-market: Apr 29, 2026, 5:49 AM EDT
Summit Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 22.02 | 22.40 | 21.25 | 21.26 | 21.26 | -3.89% | 2,949,391 |
| Apr 27, 2026 | 22.08 | 22.55 | 21.81 | 22.12 | 22.12 | 0.18% | 3,708,577 |
| Apr 24, 2026 | 22.30 | 22.36 | 21.45 | 22.08 | 22.08 | -0.85% | 5,253,990 |
| Apr 23, 2026 | 23.83 | 24.72 | 22.14 | 22.27 | 22.27 | -9.40% | 4,971,431 |
| Apr 22, 2026 | 26.64 | 26.77 | 23.43 | 24.58 | 24.58 | -6.82% | 8,248,916 |
| Apr 21, 2026 | 25.22 | 29.23 | 24.92 | 26.38 | 26.38 | 5.02% | 10,194,535 |
| Apr 20, 2026 | 24.50 | 25.44 | 23.74 | 25.12 | 25.12 | -0.12% | 3,371,463 |
| Apr 17, 2026 | 24.55 | 25.48 | 24.06 | 25.15 | 25.15 | 2.99% | 4,899,835 |
| Apr 16, 2026 | 21.26 | 24.54 | 21.26 | 24.42 | 24.42 | 15.63% | 6,793,285 |
| Apr 15, 2026 | 21.50 | 22.18 | 21.03 | 21.12 | 21.12 | 1.29% | 3,537,877 |
| Apr 14, 2026 | 20.11 | 21.07 | 20.10 | 20.85 | 20.85 | 4.09% | 2,324,963 |
| Apr 13, 2026 | 19.60 | 20.51 | 19.53 | 20.03 | 20.03 | 1.83% | 2,029,189 |
| Apr 10, 2026 | 19.31 | 19.89 | 19.15 | 19.67 | 19.67 | 1.86% | 2,521,285 |
| Apr 9, 2026 | 18.97 | 19.55 | 18.86 | 19.31 | 19.31 | 2.66% | 1,868,282 |
| Apr 8, 2026 | 19.99 | 20.10 | 18.75 | 18.81 | 18.81 | -2.13% | 2,088,786 |
| Apr 7, 2026 | 18.56 | 19.30 | 18.38 | 19.22 | 19.22 | 2.84% | 1,503,554 |
| Apr 6, 2026 | 19.19 | 19.45 | 18.56 | 18.69 | 18.69 | -3.56% | 1,947,798 |
| Apr 2, 2026 | 18.40 | 19.85 | 18.40 | 19.38 | 19.38 | 2.43% | 3,077,322 |
| Apr 1, 2026 | 19.17 | 19.59 | 18.57 | 18.92 | 18.92 | -0.21% | 2,375,110 |
| Mar 31, 2026 | 17.30 | 19.01 | 17.20 | 18.96 | 18.96 | 11.66% | 3,935,376 |
| Mar 30, 2026 | 16.74 | 17.54 | 16.74 | 16.98 | 16.98 | 2.41% | 2,688,555 |
| Mar 27, 2026 | 17.40 | 17.51 | 16.38 | 16.58 | 16.58 | -3.94% | 2,080,368 |
| Mar 26, 2026 | 17.47 | 18.24 | 17.15 | 17.26 | 17.26 | -3.79% | 4,344,310 |
| Mar 25, 2026 | 15.93 | 17.99 | 15.84 | 17.94 | 17.94 | 15.44% | 5,269,298 |
| Mar 24, 2026 | 15.43 | 16.13 | 15.36 | 15.54 | 15.54 | -0.38% | 2,108,017 |
| Mar 23, 2026 | 15.73 | 16.21 | 15.47 | 15.60 | 15.60 | 0.58% | 2,157,971 |
| Mar 20, 2026 | 15.73 | 16.28 | 15.38 | 15.51 | 15.51 | -1.34% | 3,872,780 |
| Mar 19, 2026 | 15.39 | 15.83 | 15.25 | 15.72 | 15.72 | 0.77% | 1,610,304 |
| Mar 18, 2026 | 15.66 | 15.84 | 15.38 | 15.60 | 15.60 | -1.58% | 1,743,811 |
| Mar 17, 2026 | 16.18 | 16.34 | 15.81 | 15.85 | 15.85 | -2.01% | 2,013,047 |
| Mar 16, 2026 | 16.07 | 16.49 | 15.71 | 16.18 | 16.18 | 0.34% | 2,108,820 |
| Mar 13, 2026 | 15.70 | 16.72 | 15.66 | 16.12 | 16.12 | 4.27% | 2,655,825 |
| Mar 12, 2026 | 15.97 | 16.16 | 15.45 | 15.46 | 15.46 | -3.86% | 1,703,871 |
| Mar 11, 2026 | 16.18 | 16.54 | 16.00 | 16.08 | 16.08 | -1.53% | 1,824,311 |
| Mar 10, 2026 | 15.87 | 16.64 | 15.87 | 16.33 | 16.33 | 3.88% | 2,974,210 |
| Mar 9, 2026 | 15.00 | 15.88 | 14.97 | 15.72 | 15.72 | 4.04% | 2,720,248 |
| Mar 6, 2026 | 14.73 | 15.35 | 14.60 | 15.11 | 15.11 | 1.14% | 2,307,452 |
| Mar 5, 2026 | 15.07 | 15.15 | 14.67 | 14.94 | 14.94 | -2.86% | 2,431,492 |
| Mar 4, 2026 | 15.29 | 15.42 | 14.93 | 15.38 | 15.38 | 1.79% | 2,156,762 |
| Mar 3, 2026 | 15.54 | 15.79 | 15.08 | 15.11 | 15.11 | -6.67% | 2,280,349 |
| Mar 2, 2026 | 16.00 | 16.41 | 15.85 | 16.19 | 16.19 | -2.41% | 1,867,249 |
| Feb 27, 2026 | 15.61 | 16.61 | 15.56 | 16.59 | 16.59 | 5.00% | 2,401,166 |
| Feb 26, 2026 | 15.72 | 15.82 | 15.36 | 15.80 | 15.80 | 0.77% | 1,292,166 |
| Feb 25, 2026 | 16.17 | 16.51 | 15.64 | 15.68 | 15.68 | -2.73% | 1,529,096 |
| Feb 24, 2026 | 15.78 | 16.80 | 15.50 | 16.12 | 16.12 | 0.19% | 2,619,402 |
| Feb 23, 2026 | 15.75 | 16.27 | 15.72 | 16.09 | 16.09 | 0.94% | 2,093,363 |
| Feb 20, 2026 | 15.68 | 16.21 | 15.66 | 15.94 | 15.94 | 0.44% | 2,446,820 |
| Feb 19, 2026 | 15.67 | 15.89 | 15.39 | 15.87 | 15.87 | -0.06% | 1,234,660 |
| Feb 18, 2026 | 15.57 | 16.16 | 15.49 | 15.88 | 15.88 | 1.28% | 1,489,010 |
| Feb 17, 2026 | 14.85 | 15.99 | 14.85 | 15.68 | 15.68 | 4.81% | 1,921,106 |
| Feb 13, 2026 | 14.74 | 15.57 | 14.67 | 14.96 | 14.96 | 2.26% | 2,165,795 |
| Feb 12, 2026 | 15.31 | 15.39 | 14.58 | 14.63 | 14.63 | -4.07% | 2,294,106 |
| Feb 11, 2026 | 15.27 | 15.51 | 14.64 | 15.25 | 15.25 | - | 2,673,148 |
| Feb 10, 2026 | 15.22 | 15.77 | 15.03 | 15.25 | 15.25 | 1.87% | 1,932,258 |
| Feb 9, 2026 | 15.00 | 15.08 | 14.66 | 14.97 | 14.97 | -0.13% | 1,936,109 |
| Feb 6, 2026 | 14.12 | 15.11 | 14.04 | 14.99 | 14.99 | 8.23% | 2,708,912 |
| Feb 5, 2026 | 14.10 | 14.41 | 13.83 | 13.85 | 13.85 | -3.95% | 3,839,937 |
| Feb 4, 2026 | 14.58 | 14.77 | 14.11 | 14.42 | 14.42 | -1.17% | 3,709,837 |
| 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 |
| Dec 29, 2025 | 17.91 | 18.15 | 17.75 | 17.78 | 17.78 | -1.98% | 1,880,741 |
| Dec 26, 2025 | 18.32 | 18.36 | 18.05 | 18.14 | 18.14 | -1.31% | 1,197,395 |
| Dec 24, 2025 | 18.10 | 18.53 | 17.94 | 18.38 | 18.38 | 1.43% | 1,265,501 |
| Dec 23, 2025 | 17.98 | 18.26 | 17.70 | 18.12 | 18.12 | -0.17% | 1,605,678 |
| Dec 22, 2025 | 17.85 | 18.32 | 17.67 | 18.15 | 18.15 | 1.85% | 3,223,158 |
| Dec 19, 2025 | 17.16 | 17.90 | 17.15 | 17.82 | 17.82 | 4.58% | 3,595,740 |
| Dec 18, 2025 | 17.25 | 17.38 | 16.98 | 17.04 | 17.04 | 0.18% | 1,558,451 |
| Dec 17, 2025 | 17.65 | 17.85 | 16.99 | 17.01 | 17.01 | -1.28% | 2,683,396 |
| Dec 16, 2025 | 17.29 | 17.52 | 16.87 | 17.23 | 17.23 | -0.86% | 2,017,967 |
| Dec 15, 2025 | 17.70 | 17.76 | 17.24 | 17.38 | 17.38 | -1.08% | 2,387,600 |
| Dec 12, 2025 | 17.97 | 18.03 | 17.39 | 17.57 | 17.57 | -2.33% | 1,591,109 |
| Dec 11, 2025 | 17.85 | 18.22 | 17.76 | 17.99 | 17.99 | 0.28% | 1,648,659 |
| Dec 10, 2025 | 17.02 | 18.09 | 16.81 | 17.94 | 17.94 | 5.41% | 2,974,064 |
| Dec 9, 2025 | 18.33 | 18.53 | 17.01 | 17.02 | 17.02 | -8.62% | 4,013,071 |
| Dec 8, 2025 | 18.44 | 18.74 | 18.15 | 18.63 | 18.63 | 1.72% | 3,176,602 |
| Dec 5, 2025 | 18.88 | 19.10 | 18.08 | 18.31 | 18.31 | -2.66% | 2,435,774 |
| Dec 4, 2025 | 18.29 | 18.99 | 18.19 | 18.81 | 18.81 | 2.40% | 2,782,408 |
| Dec 3, 2025 | 17.39 | 19.05 | 17.32 | 18.37 | 18.37 | 6.49% | 4,313,579 |