Summit Therapeutics Stock Price History
NASDAQ: SMMTHealth CareBiotechnology: Pharmaceutical PreparationsUSD
17.59+0.42 (+2.45%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
SMMT price history at a glance
The price history for Summit Therapeutics (SMMT) on this page begins on March 2, 2015, when the stock closed at $10.29; it most recently closed at $17.59 on October 5, 2026. The highest price in this record is $36.91, reached on April 21, 2025; the latest close is 52.3% below that peak. Across the 10 complete calendar years in the table, SMMT finished higher in 5 and lower in 5. Its best year was 2024 (+598.9%) and its worst was 2018 (-87.3%).
Over roughly 12 years the share price changed +70.9%, a 4.7% compound annual price return (excluding dividends). In the last 12 months alone, SMMT has lost 22.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2015
- $36.91
- Date of high
- Apr 21, 2025
- Low since 2015
- $0.66
- Date of low
- Nov 28, 2022
- 52-week high
- $29.23
- 52-week low
- $12.07
- IPO year
- 2015
- Last close
- $17.59
SMMT returns
1 week
+4.98%
1 month
+0.29%
3 months
+15.34%
6 months
-10.57%
Year to date
+0.57%
1 year
-22.34%
3 years
+947.02%
5 years
+241.55%
SMMT price return, excluding dividends.
SMMT annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 17.59 | +0.40% |
| 2025 | 17.52 | -3.95% |
| 2024 | 18.24 | +598.85% |
| 2023 | 2.61 | -38.59% |
| 2022 | 4.25 | +57.99% |
| 2021 | 2.69 | -42.77% |
| 2020 | 4.70 | +213.75% |
| 2019 | 1.50 | +6.24% |
| 2018 | 1.41 | -87.27% |
| 2017 | 11.08 | +29.44% |
| 2016 | 8.56 | -25.57% |
| 2015* | 11.50 | +11.76% |
* Partial year: the record begins after the start of 2015; return measured from the first available close.
2026 return is year to date.
SMMT daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 17.36 | 17.62 | 16.82 | 17.59 | +2.45% | |
| 17.61 | 17.64 | 16.80 | 17.17 | -4.35% | |
| 17.10 | 18.33 | 16.98 | 17.95 | +3.70% | |
| 17.49 | 17.53 | 16.53 | 17.31 | +0.23% | |
| 16.97 | 17.62 | 16.44 | 17.27 | +3.07% | |
| 16.96 | 17.32 | 16.66 | 16.76 | +0.39% | |
| 16.82 | 17.50 | 16.59 | 16.69 | -1.30% | |
| 16.59 | 17.72 | 16.17 | 16.91 | +3.17% | |
| 18.91 | 19.09 | 16.15 | 16.39 | +5.88% | |
| 15.50 | 15.82 | 15.18 | 15.48 | -0.83% | |
| 16.45 | 16.58 | 15.55 | 15.61 | -4.70% | |
| 16.37 | 16.78 | 16.09 | 16.38 | -0.43% | |
| 17.10 | 17.46 | 16.25 | 16.45 | -3.91% | |
| 16.97 | 17.50 | 16.79 | 17.12 | +1.30% | |
| 18.40 | 18.42 | 16.64 | 16.90 | -5.32% | |
| 17.74 | 17.87 | 17.31 | 17.85 | +0.73% | |
| 17.73 | 18.10 | 17.42 | 17.72 | +2.43% | |
| 17.50 | 17.75 | 17.11 | 17.30 | -0.57% | |
| 18.16 | 18.47 | 17.11 | 17.40 | -5.54% | |
| 18.07 | 18.83 | 17.97 | 18.42 | +4.96% | |
| 17.20 | 17.70 | 17.14 | 17.55 | +3.24% | |
| 17.30 | 17.62 | 16.80 | 17.00 | -3.08% | |
| 18.21 | 18.32 | 17.24 | 17.54 | +1.50% | |
| 17.43 | 17.69 | 16.97 | 17.28 | -1.85% | |
| 16.94 | 17.63 | 16.80 | 17.61 | +2.77% | |
| 15.52 | 17.35 | 15.52 | 17.13 | +17.33% | |
| 14.15 | 14.72 | 14.06 | 14.60 | +3.11% | |
| 13.38 | 14.48 | 13.37 | 14.16 | +3.96% | |
| 13.51 | 13.73 | 13.44 | 13.62 | -0.80% | |
| 14.11 | 14.24 | 13.43 | 13.73 | -4.19% | |
| 14.30 | 14.65 | 13.92 | 14.33 | +0.70% | |
| 14.75 | 15.10 | 14.11 | 14.23 | +6.51% | |
| 13.27 | 13.60 | 13.05 | 13.36 | +4.95% | |
| 13.08 | 13.21 | 12.22 | 12.73 | -3.27% | |
| 12.69 | 13.53 | 12.57 | 13.16 | +5.87% | |
| 13.01 | 13.02 | 12.29 | 12.43 | -5.19% | |
| 13.31 | 13.39 | 12.92 | 13.11 | +2.26% | |
| 12.60 | 13.00 | 12.53 | 12.82 | +0.31% | |
| 13.05 | 13.07 | 12.07 | 12.78 | -4.27% | |
| 13.61 | 13.71 | 12.99 | 13.35 | -4.64% | |
| 15.16 | 15.24 | 13.99 | 14.00 | -7.28% | |
| 15.41 | 15.75 | 15.00 | 15.10 | -0.10% | |
| 15.03 | 15.73 | 14.68 | 15.12 | +1.65% | |
| 14.14 | 14.90 | 14.10 | 14.87 | +6.52% | |
| 13.90 | 14.02 | 13.52 | 13.96 | +3.10% | |
| 13.63 | 13.93 | 13.44 | 13.54 | +0.07% | |
| 13.91 | 13.96 | 13.44 | 13.53 | -1.67% | |
| 13.20 | 13.98 | 13.11 | 13.76 | +5.48% | |
| 13.11 | 13.25 | 12.77 | 13.05 | +0.19% | |
| 13.44 | 13.59 | 13.01 | 13.02 | -3.12% | |
| 12.79 | 13.56 | 12.72 | 13.44 | +5.00% | |
| 12.61 | 13.24 | 12.30 | 12.80 | +1.99% | |
| 13.01 | 13.05 | 12.25 | 12.55 | -4.24% | |
| 13.85 | 14.23 | 13.10 | 13.11 | -4.06% | |
| 13.72 | 14.42 | 13.20 | 13.66 | -8.81% | |
| 14.73 | 15.23 | 14.58 | 14.98 | +1.63% | |
| 15.18 | 15.71 | 14.65 | 14.74 | +0.75% | |
| 13.67 | 14.72 | 13.63 | 14.63 | +8.37% | |
| 13.74 | 14.35 | 13.49 | 13.50 | -2.24% | |
| 13.46 | 14.08 | 13.36 | 13.81 | +0.36% | |
| 14.90 | 15.02 | 13.54 | 13.76 | -8.69% | |
| 15.62 | 15.62 | 14.94 | 15.07 | -2.59% | |
| 15.35 | 15.63 | 15.21 | 15.47 | +1.11% | |
| 15.11 | 15.48 | 14.79 | 15.30 | +0.33% | |
| 15.50 | 15.53 | 14.86 | 15.25 | -1.49% | |
| 15.60 | 15.88 | 15.45 | 15.48 | -1.34% | |
| 15.75 | 15.88 | 15.39 | 15.69 | -1.20% | |
| 15.97 | 16.05 | 15.46 | 15.88 | -0.31% | |
| 15.50 | 15.94 | 15.30 | 15.93 | +3.31% | |
| 14.55 | 15.70 | 14.55 | 15.42 | +7.23% | |
| 14.59 | 14.80 | 14.31 | 14.38 | -1.30% | |
| 14.32 | 14.89 | 14.31 | 14.57 | +1.75% | |
| 14.21 | 14.58 | 14.12 | 14.32 | +2.21% | |
| 14.00 | 14.25 | 13.88 | 14.01 | -1.20% | |
| 14.25 | 14.53 | 14.05 | 14.18 | -0.49% | |
| 14.25 | 14.76 | 14.17 | 14.25 | 0.00% | |
| 13.93 | 14.81 | 13.93 | 14.25 | -0.21% | |
| 13.78 | 14.40 | 13.70 | 14.28 | +3.85% | |
| 14.38 | 14.60 | 13.56 | 13.75 | -2.27% | |
| 13.99 | 14.50 | 13.83 | 14.07 | +1.37% | |
| 14.13 | 14.24 | 13.75 | 13.88 | -1.77% | |
| 14.44 | 14.58 | 13.70 | 14.13 | +0.86% | |
| 13.00 | 14.18 | 12.92 | 14.01 | +7.11% | |
| 13.65 | 13.69 | 13.05 | 13.08 | +0.23% | |
| 13.12 | 14.05 | 12.55 | 13.05 | -8.68% | |
| 14.47 | 14.68 | 14.02 | 14.29 | +1.28% | |
| 14.94 | 14.98 | 13.81 | 14.11 | -4.47% | |
| 15.24 | 15.35 | 14.66 | 14.77 | -0.47% | |
| 14.93 | 15.21 | 14.42 | 14.84 | -1.53% | |
| 14.75 | 15.11 | 14.27 | 15.07 | +1.41% | |
| 15.53 | 15.55 | 14.17 | 14.86 | -5.41% | |
| 16.70 | 16.84 | 15.17 | 15.71 | -10.43% | |
| 17.87 | 18.51 | 17.36 | 17.54 | +0.75% | |
| 17.24 | 17.88 | 16.32 | 17.41 | +0.29% | |
| 17.18 | 17.51 | 17.02 | 17.36 | +2.12% | |
| 16.58 | 17.13 | 15.89 | 17.00 | +2.29% | |
| 16.48 | 17.40 | 16.13 | 16.62 | -4.87% | |
| 17.86 | 17.96 | 17.19 | 17.47 | -2.35% | |
| 16.13 | 17.93 | 16.13 | 17.89 | +12.87% | |
| 15.80 | 16.01 | 15.55 | 15.85 | -1.06% | |
| 16.87 | 16.97 | 15.55 | 16.02 | -5.04% | |
| 17.78 | 17.95 | 16.84 | 16.87 | -7.00% | |
| 18.54 | 18.81 | 17.79 | 18.14 | -3.46% | |
| 18.81 | 19.08 | 18.43 | 18.79 | -0.84% | |
| 18.30 | 19.08 | 18.29 | 18.95 | +1.55% | |
| 18.21 | 19.42 | 18.15 | 18.66 | +3.21% | |
| 17.46 | 18.15 | 17.06 | 18.08 | +5.42% | |
| 17.92 | 18.15 | 16.83 | 17.15 | -3.92% | |
| 17.72 | 18.19 | 17.23 | 17.85 | +1.77% | |
| 16.98 | 17.77 | 16.55 | 17.54 | +3.30% | |
| 16.33 | 17.42 | 16.00 | 16.98 | +5.37% | |
| 16.02 | 16.81 | 15.14 | 16.12 | -24.91% | |
| 20.94 | 22.38 | 20.85 | 21.46 | +3.02% | |
| 21.61 | 21.61 | 20.55 | 20.83 | -2.02% | |
| 22.02 | 22.40 | 21.25 | 21.26 | -3.89% | |
| 22.08 | 22.55 | 21.81 | 22.12 | +0.18% | |
| 22.30 | 22.36 | 21.45 | 22.08 | -0.85% | |
| 23.83 | 24.72 | 22.14 | 22.27 | -9.40% | |
| 26.64 | 26.77 | 23.43 | 24.58 | -6.82% | |
| 25.22 | 29.23 | 24.92 | 26.38 | +5.02% | |
| 24.50 | 25.44 | 23.74 | 25.12 | -0.12% | |
| 24.55 | 25.48 | 24.06 | 25.15 | +2.99% | |
| 21.26 | 24.54 | 21.26 | 24.42 | +15.63% | |
| 21.50 | 22.18 | 21.03 | 21.12 | +1.29% | |
| 20.11 | 21.07 | 20.10 | 20.85 | +4.09% | |
| 19.60 | 20.51 | 19.53 | 20.03 | +1.83% | |
| 19.31 | 19.89 | 19.15 | 19.67 | +1.86% | |
| 18.97 | 19.55 | 18.86 | 19.31 | +2.66% | |
| 19.99 | 20.10 | 18.75 | 18.81 | -2.13% | |
| 18.56 | 19.30 | 18.38 | 19.22 | +2.84% | |
| 19.19 | 19.45 | 18.56 | 18.69 | -3.56% | |
| 18.40 | 19.85 | 18.40 | 19.38 | +2.43% | |
| 19.17 | 19.59 | 18.57 | 18.92 | -0.21% | |
| 17.30 | 19.01 | 17.20 | 18.96 | +11.66% | |
| 16.74 | 17.54 | 16.74 | 16.98 | +2.41% | |
| 17.40 | 17.51 | 16.38 | 16.58 | -3.94% | |
| 17.47 | 18.24 | 17.15 | 17.26 | -3.79% | |
| 15.93 | 17.99 | 15.84 | 17.94 | +15.44% | |
| 15.43 | 16.13 | 15.36 | 15.54 | -0.38% | |
| 15.73 | 16.21 | 15.47 | 15.60 | +0.58% | |
| 15.73 | 16.28 | 15.38 | 15.51 | -1.34% | |
| 15.39 | 15.83 | 15.25 | 15.72 | +0.77% | |
| 15.66 | 15.84 | 15.38 | 15.60 | -1.58% | |
| 16.18 | 16.34 | 15.81 | 15.85 | -2.01% | |
| 16.07 | 16.49 | 15.71 | 16.18 | +0.34% | |
| 15.70 | 16.72 | 15.66 | 16.12 | +4.27% | |
| 15.97 | 16.16 | 15.45 | 15.46 | -3.86% | |
| 16.18 | 16.54 | 16.00 | 16.08 | -1.53% | |
| 15.87 | 16.64 | 15.87 | 16.33 | +3.88% | |
| 15.00 | 15.88 | 14.97 | 15.72 | +4.04% | |
| 14.73 | 15.35 | 14.60 | 15.11 | +1.14% | |
| 15.07 | 15.15 | 14.67 | 14.94 | -2.86% | |
| 15.29 | 15.42 | 14.93 | 15.38 | +1.79% | |
| 15.54 | 15.79 | 15.08 | 15.11 | -6.67% | |
| 16.00 | 16.41 | 15.85 | 16.19 | -2.41% | |
| 15.61 | 16.61 | 15.56 | 16.59 | +5.00% | |
| 15.72 | 15.82 | 15.36 | 15.80 | +0.77% | |
| 16.17 | 16.51 | 15.64 | 15.68 | -2.73% | |
| 15.78 | 16.80 | 15.50 | 16.12 | +0.19% | |
| 15.75 | 16.27 | 15.72 | 16.09 | +0.94% | |
| 15.68 | 16.21 | 15.66 | 15.94 | +0.44% | |
| 15.67 | 15.89 | 15.39 | 15.87 | -0.06% | |
| 15.57 | 16.16 | 15.49 | 15.88 | +1.28% | |
| 14.85 | 15.99 | 14.85 | 15.68 | +4.81% | |
| 14.74 | 15.57 | 14.67 | 14.96 | +2.26% | |
| 15.31 | 15.39 | 14.58 | 14.63 | -4.07% | |
| 15.27 | 15.51 | 14.64 | 15.25 | 0.00% | |
| 15.22 | 15.77 | 15.03 | 15.25 | +1.87% | |
| 15.00 | 15.08 | 14.66 | 14.97 | -0.13% | |
| 14.12 | 15.11 | 14.04 | 14.99 | +8.23% | |
| 14.10 | 14.41 | 13.83 | 13.85 | -3.95% | |
| 14.58 | 14.77 | 14.11 | 14.42 | -1.17% | |
| 14.13 | 14.77 | 14.13 | 14.59 | +3.77% | |
| 14.21 | 14.57 | 14.03 | 14.06 | -2.90% | |
| 15.20 | 15.31 | 14.43 | 14.48 | -5.97% | |
| 15.77 | 16.39 | 15.17 | 15.40 | -1.53% | |
| 15.88 | 15.88 | 15.45 | 15.64 | -1.64% | |
| 16.54 | 16.65 | 15.89 | 15.90 | -3.99% | |
| 16.29 | 16.78 | 16.08 | 16.56 | +0.42% | |
| 17.14 | 17.58 | 16.47 | 16.49 | -5.07% | |
| 16.92 | 17.98 | 16.87 | 17.37 | +3.09% | |
| 16.19 | 17.02 | 15.66 | 16.85 | +4.92% | |
| 16.65 | 16.79 | 16.03 | 16.06 | -5.75% | |
| 17.26 | 17.48 | 17.03 | 17.04 | -1.33% | |
| 17.65 | 17.86 | 17.21 | 17.27 | -2.15% | |
| 16.81 | 17.73 | 16.77 | 17.65 | +5.00% | |
| 17.16 | 17.50 | 16.27 | 16.81 | -1.35% | |
| 19.86 | 19.90 | 16.47 | 17.04 | -13.41% | |
| 19.00 | 20.20 | 18.98 | 19.68 | +4.51% | |
| 18.79 | 19.24 | 18.55 | 18.83 | -0.95% | |
| 18.98 | 19.51 | 18.66 | 19.01 | +1.88% | |
| 17.50 | 19.00 | 17.46 | 18.66 | +7.00% | |
| 17.49 | 17.74 | 17.29 | 17.44 | -0.46% | |
| 17.75 | 17.75 | 17.30 | 17.52 | +0.17% | |
| 17.36 | 17.59 | 17.15 | 17.49 | 0.00% | |
| 17.75 | 17.84 | 17.41 | 17.49 | -1.63% | |
| 17.91 | 18.15 | 17.75 | 17.78 | -1.98% | |
| 18.32 | 18.36 | 18.05 | 18.14 | -1.31% | |
| 18.10 | 18.53 | 17.94 | 18.38 | +1.43% | |
| 17.98 | 18.26 | 17.70 | 18.12 | -0.17% | |
| 17.85 | 18.32 | 17.67 | 18.15 | +1.85% | |
| 17.16 | 17.90 | 17.15 | 17.82 | +4.58% | |
| 17.25 | 17.38 | 16.98 | 17.04 | +0.18% | |
| 17.65 | 17.85 | 16.99 | 17.01 | -1.28% | |
| 17.29 | 17.52 | 16.87 | 17.23 | -0.86% | |
| 17.70 | 17.76 | 17.24 | 17.38 | -1.08% | |
| 17.97 | 18.03 | 17.39 | 17.57 | -2.33% | |
| 17.85 | 18.22 | 17.76 | 17.99 | +0.28% | |
| 17.02 | 18.09 | 16.81 | 17.94 | +5.41% | |
| 18.33 | 18.53 | 17.01 | 17.02 | -8.62% | |
| 18.44 | 18.74 | 18.15 | 18.63 | +1.72% | |
| 18.88 | 19.10 | 18.08 | 18.31 | -2.66% | |
| 18.29 | 18.99 | 18.19 | 18.81 | +2.40% | |
| 17.39 | 19.05 | 17.32 | 18.37 | +6.49% | |
| 17.19 | 17.54 | 16.76 | 17.25 | -0.06% | |
| 17.55 | 17.83 | 17.25 | 17.26 | -3.52% | |
| 18.02 | 18.17 | 17.66 | 17.89 | +0.39% | |
| 17.70 | 18.00 | 17.46 | 17.82 | +1.02% | |
| 17.80 | 17.98 | 17.21 | 17.64 | -1.12% | |
| 16.23 | 17.95 | 16.23 | 17.84 | +10.19% | |
| 16.40 | 16.58 | 15.62 | 16.19 | -1.58% | |
| 16.86 | 17.25 | 15.88 | 16.45 | -0.66% | |
| 16.80 | 17.02 | 16.32 | 16.56 | -1.49% | |
| 16.71 | 17.18 | 16.45 | 16.81 | -0.83% | |
| 17.77 | 18.00 | 16.93 | 16.95 | -5.99% | |
| 17.74 | 18.57 | 17.74 | 18.03 | -1.26% | |
| 18.71 | 18.90 | 18.24 | 18.26 | -3.03% | |
| 19.27 | 19.40 | 18.65 | 18.83 | -1.72% | |
| 18.29 | 19.20 | 18.16 | 19.16 | +4.70% | |
| 18.30 | 18.53 | 17.84 | 18.30 | +0.66% | |
| 18.19 | 18.31 | 17.55 | 18.18 | -1.46% | |
| 18.04 | 18.99 | 17.90 | 18.45 | +2.10% | |
| 17.58 | 18.17 | 17.37 | 18.07 | +3.32% | |
| 17.78 | 18.13 | 17.37 | 17.49 | -4.01% | |
| 18.74 | 19.18 | 18.20 | 18.22 | -3.65% | |
| 18.70 | 19.00 | 18.49 | 18.91 | +1.45% | |
| 18.66 | 19.06 | 18.43 | 18.64 | -0.11% | |
| 19.34 | 19.34 | 18.38 | 18.66 | -2.96% | |
| 19.50 | 19.76 | 19.03 | 19.23 | -1.18% | |
| 19.86 | 20.24 | 19.29 | 19.46 | +0.93% | |
| 19.87 | 20.12 | 19.16 | 19.28 | +2.83% | |
| 19.06 | 19.20 | 18.46 | 18.75 | -2.14% | |
| 19.58 | 20.51 | 18.55 | 19.16 | +2.24% | |
| 19.99 | 20.11 | 18.71 | 18.74 | -6.46% | |
| 18.85 | 20.98 | 18.08 | 20.04 | -4.55% | |
| 21.44 | 22.34 | 20.17 | 20.99 | -4.46% | |
| 23.01 | 23.62 | 21.35 | 21.97 | -2.96% | |
| 22.21 | 23.17 | 22.11 | 22.64 | +4.09% | |
| 22.09 | 22.20 | 21.20 | 21.75 | -5.15% | |
| 21.75 | 25.49 | 21.55 | 22.93 | +7.40% | |
| 22.78 | 22.78 | 21.15 | 21.35 | -5.74% | |
| 23.14 | 23.20 | 22.51 | 22.65 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the SMMT chart for longer ranges.