Summit Therapeutics Inc. (SMMT) stock
SMMTNasdaqPharmaceutical PreparationsFiscal year ends December 31
$16.03−0.17 (-1.05%)
Close on Oct 30, 2026Market cap $12.79BP/E –Yield –
Price history
Summit Therapeutics share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$16.03
-1.05% on the day
52-week range
$12.07 – $29.23
-45.2% from the high
Change over 52 weeks
-14.0%
From $18.64 on Oct 30, 2025
Average volume
5.47M
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $16.82 | $18.33 | $14.37 | $16.03 | -5.20% | 115,491,983 |
| Sep 2026 | $13.38 | $19.09 | $13.37 | $16.91 | +24.16% | 158,850,653 |
| Aug 2026 | $13.11 | $15.75 | $12.07 | $13.62 | +4.61% | 113,802,069 |
| Jul 2026 | $14.59 | $16.05 | $12.25 | $13.02 | -10.64% | 84,096,532 |
| Jun 2026 | $16.70 | $16.84 | $12.55 | $14.57 | -16.93% | 153,405,492 |
| May 2026 | $16.02 | $19.42 | $15.14 | $17.54 | -18.27% | 93,880,642 |
| Apr 2026 | $19.17 | $29.23 | $18.38 | $21.46 | +13.19% | 82,084,918 |
| Mar 2026 | $16.00 | $19.01 | $14.60 | $18.96 | +14.29% | 56,854,426 |
| Feb 2026 | $14.21 | $16.80 | $13.83 | $16.59 | +14.57% | 44,520,889 |
| Jan 2026 | $17.75 | $20.20 | $14.43 | $14.48 | -17.21% | 64,065,866 |
| Dec 2025 | $17.55 | $19.10 | $16.76 | $17.49 | -2.24% | 52,047,622 |
| Nov 2025 | $18.74 | $19.40 | $15.62 | $17.89 | -5.39% | 46,330,881 |
| Oct 2025 | $20.77 | $25.49 | $18.08 | $18.91 | -8.47% | 82,505,116 |
| Sep 2025 | $23.13 | $26.45 | $16.31 | $20.66 | -12.83% | 115,674,997 |
| Aug 2025 | $25.86 | $30.98 | $23.63 | $23.70 | -10.13% | 66,320,976 |
| Jul 2025 | $21.28 | $29.07 | $20.49 | $26.37 | +23.92% | 72,260,620 |
| Jun 2025 | $18.81 | $23.03 | $16.03 | $21.28 | +16.83% | 96,790,293 |
| May 2025 | $24.38 | $29.99 | $18.01 | $18.22 | -24.48% | 80,629,050 |
| Apr 2025 | $19.19 | $36.91 | $15.55 | $24.12 | +25.04% | 136,105,734 |
| Mar 2025 | $20.80 | $21.70 | $16.55 | $19.29 | -6.77% | 49,136,656 |
| Feb 2025 | $20.54 | $24.18 | $17.70 | $20.69 | -3.77% | 47,810,091 |
| Jan 2025 | $17.97 | $25.00 | $16.46 | $21.50 | +20.48% | 49,912,067 |
| Dec 2024 | $18.50 | $19.55 | $16.52 | $17.85 | -3.33% | 46,265,062 |
| Nov 2024 | $18.98 | $22.53 | $18.03 | $18.46 | -0.70% | 36,291,348 |
| Oct 2024 | $21.63 | $24.56 | $18.10 | $18.59 | -15.11% | 68,748,496 |
| Sep 2024 | $12.98 | $33.89 | $11.76 | $21.90 | +68.72% | 221,677,845 |
| Aug 2024 | $10.84 | $14.25 | $8.88 | $12.98 | +20.19% | 37,525,101 |
| Jul 2024 | $7.84 | $11.90 | $6.78 | $10.80 | +38.46% | 46,374,265 |
| Jun 2024 | $9.84 | $9.94 | $7.21 | $7.80 | -10.19% | 86,596,408 |
| May 2024 | $3.92 | $11.25 | $2.10 | $8.69 | +120.99% | 133,795,734 |
| Apr 2024 | $4.21 | $4.24 | $3.34 | $3.93 | -5.07% | 35,823,302 |
| Mar 2024 | $4.56 | $5.22 | $3.25 | $4.14 | -8.81% | 55,518,239 |
| Feb 2024 | $3.94 | $5.14 | $3.42 | $4.54 | +15.82% | 40,540,700 |
| Jan 2024 | $2.58 | $4.72 | $2.53 | $3.92 | +50.19% | 47,492,550 |
| Dec 2023 | $1.99 | $2.87 | $1.93 | $2.61 | +28.57% | 29,410,274 |
| Nov 2023 | $1.98 | $2.32 | $1.64 | $2.03 | +4.64% | 19,861,996 |
| Oct 2023 | $1.87 | $2.16 | $1.64 | $1.94 | +3.74% | 21,004,299 |
| Sep 2023 | $1.62 | $1.98 | $1.52 | $1.87 | +15.43% | 17,883,306 |
| Aug 2023 | $2.11 | $2.17 | $1.59 | $1.62 | -22.86% | 26,667,616 |
| Jul 2023 | $2.51 | $2.62 | $1.85 | $2.10 | -16.33% | 22,289,109 |
| Jun 2023 | $1.62 | $2.93 | $1.58 | $2.51 | +53.99% | 62,564,197 |
| May 2023 | $1.35 | $2.25 | $1.33 | $1.63 | +23.48% | 40,727,647 |
| Apr 2023 | $1.77 | $1.89 | $1.30 | $1.32 | -24.57% | 26,116,740 |
| Mar 2023 | $1.81 | $2.15 | $1.25 | $1.75 | -2.78% | 73,221,530 |
| Feb 2023 | $3.48 | $4.30 | $1.73 | $1.80 | -49.30% | 38,332,611 |
| Jan 2023 | $4.34 | $5.78 | $2.95 | $3.55 | -16.47% | 69,505,616 |
| Dec 2022 | $0.78 | $5.61 | $0.66 | $4.25 | +431.25% | 527,208,987 |
| Nov 2022 | $1.07 | $1.11 | $0.75 | $0.80 | -26.61% | 3,410,855 |
| Oct 2022 | $1.20 | $1.30 | $1.00 | $1.09 | -8.40% | 6,672,843 |
| Sep 2022 | $1.21 | $1.44 | $1.07 | $1.19 | -0.83% | 13,917,893 |
| Aug 2022 | $1.02 | $1.74 | $0.888 | $1.20 | +18.81% | 113,887,267 |
| Jul 2022 | $1.00 | $1.18 | $0.9021 | $1.01 | +1.00% | 1,120,030 |
| Jun 2022 | $1.38 | $1.42 | $0.91 | $1.00 | -24.81% | 6,798,754 |
| May 2022 | $1.58 | $1.62 | $0.8801 | $1.33 | -16.35% | 2,698,691 |
| Apr 2022 | $2.46 | $2.80 | $1.58 | $1.59 | -35.10% | 1,834,563 |
| Mar 2022 | $2.88 | $3.47 | $2.40 | $2.45 | -10.58% | 2,138,927 |
| Feb 2022 | $2.16 | $2.79 | $2.00 | $2.74 | +24.55% | 2,918,798 |
| Jan 2022 | $2.59 | $2.95 | $1.88 | $2.20 | -18.22% | 3,121,025 |
| Dec 2021 | $5.19 | $5.30 | $2.23 | $2.69 | -47.05% | 6,916,473 |
| Nov 2021 | $5.17 | $5.79 | $4.90 | $5.08 | -1.55% | 2,331,226 |
| Oct 2021 | $4.96 | $5.56 | $4.75 | $5.16 | +2.99% | 2,011,498 |
| Sep 2021 | $8.02 | $8.05 | $4.71 | $5.01 | -37.14% | 5,371,160 |
| Aug 2021 | $7.38 | $8.39 | $7.03 | $7.97 | +8.73% | 2,724,369 |
| Jul 2021 | $7.38 | $8.17 | $6.79 | $7.33 | -1.74% | 3,018,691 |
| Jun 2021 | $7.81 | $8.50 | $6.25 | $7.46 | -4.60% | 8,193,154 |
| May 2021 | $6.36 | $8.70 | $5.26 | $7.82 | +22.76% | 6,947,059 |
| Apr 2021 | $5.94 | $6.66 | $5.04 | $6.37 | +8.52% | 2,458,093 |
| Mar 2021 | $6.78 | $7.00 | $5.04 | $5.87 | -13.29% | 3,436,964 |
| Feb 2021 | $7.00 | $12.30 | $6.31 | $6.77 | -2.73% | 6,094,251 |
| Jan 2021 | $4.75 | $7.66 | $4.70 | $6.96 | +48.09% | 3,937,409 |
| Dec 2020 | $4.57 | $6.14 | $4.53 | $4.70 | +4.44% | 5,570,096 |
| Nov 2020 | $3.30 | $5.50 | $3.22 | $4.50 | +37.61% | 4,837,752 |
| Oct 2020 | $3.50 | $3.76 | $3.15 | $3.27 | -4.94% | 1,331,116 |
| Sep 2020 | $3.42 | $3.57 | $3.14 | $3.44 | -0.29% | 644,618 |
| Aug 2020 | $3.60 | $3.84 | $3.30 | $3.45 | -4.70% | 1,342,168 |
| Jul 2020 | $2.95 | $3.92 | $2.91 | $3.62 | +21.89% | 1,813,459 |
| Jun 2020 | $4.06 | $4.09 | $2.93 | $2.97 | -26.49% | 2,379,188 |
| May 2020 | $3.69 | $4.40 | $2.90 | $4.04 | +7.73% | 2,967,084 |
| Apr 2020 | $2.37 | $5.49 | $2.10 | $3.75 | +58.23% | 8,327,301 |
| Mar 2020 | $1.42 | $3.10 | $1.40 | $2.37 | +71.74% | 2,465,247 |
| Feb 2020 | $1.53 | $1.79 | $1.28 | $1.38 | -9.77% | 1,392,810 |
| Jan 2020 | $1.60 | $1.64 | $1.18 | $1.53 | -4.41% | 987,386 |
| Dec 2019 | $1.55 | $1.70 | $1.35 | $1.60 | +6.67% | 874,825 |
| Nov 2019 | $1.64 | $1.75 | $1.47 | $1.50 | -9.09% | 376,916 |
| Oct 2019 | $1.77 | $1.88 | $1.50 | $1.65 | -7.83% | 1,629,839 |
| Sep 2019 | $1.34 | $1.82 | $1.29 | $1.79 | +33.91% | 399,428 |
| Aug 2019 | $1.33 | $1.44 | $1.19 | $1.34 | +1.27% | 507,791 |
| Jul 2019 | $1.30 | $1.50 | $1.25 | $1.32 | +4.31% | 661,481 |
| Jun 2019 | $1.50 | $1.71 | $1.13 | $1.27 | -16.75% | 1,018,138 |
| May 2019 | $1.76 | $1.83 | $1.50 | $1.52 | -13.86% | 767,944 |
| Apr 2019 | $1.87 | $2.08 | $1.75 | $1.76 | -3.57% | 564,598 |
| Mar 2019 | $2.30 | $2.38 | $1.67 | $1.83 | -20.43% | 730,512 |
| Feb 2019 | $1.33 | $2.46 | $1.21 | $2.30 | +73.00% | 2,550,995 |
| Jan 2019 | $1.10 | $1.67 | $1.10 | $1.33 | +15.61% | 936,600 |
| Dec 2018 | $1.35 | $1.48 | $1.12 | $1.15 | -11.54% | 790,987 |
| Nov 2018 | $1.70 | $1.78 | $1.21 | $1.30 | -23.53% | 405,446 |
| Oct 2018 | $2.20 | $2.21 | $1.70 | $1.70 | -23.42% | 822,491 |
| Sep 2018 | $2.38 | $2.43 | $2.10 | $2.22 | -5.53% | 1,245,201 |
| Aug 2018 | $2.30 | $2.59 | $1.94 | $2.35 | +2.17% | 4,783,540 |
| Jul 2018 | $2.43 | $3.14 | $2.16 | $2.30 | -6.12% | 4,740,147 |
| Jun 2018 | $13.27 | $13.74 | $2.17 | $2.45 | -81.65% | 3,967,379 |
| May 2018 | $13.05 | $14.25 | $12.86 | $13.35 | +2.46% | 665,848 |
| Apr 2018 | $12.81 | $14.29 | $11.64 | $13.03 | +1.01% | 947,390 |
| Mar 2018 | $11.62 | $14.00 | $11.31 | $12.90 | +10.16% | 682,766 |
| Feb 2018 | $13.93 | $14.10 | $10.11 | $11.71 | -14.71% | 1,452,860 |
| Jan 2018 | $10.98 | $15.90 | $10.75 | $13.73 | +23.92% | 2,955,936 |
| Dec 2017 | $11.74 | $12.47 | $9.86 | $11.08 | -5.86% | 372,696 |
| Nov 2017 | $10.30 | $12.17 | $8.80 | $11.77 | +14.49% | 1,132,936 |
| Oct 2017 | $12.60 | $13.00 | $9.25 | $10.28 | -18.09% | 637,383 |
| Sep 2017 | $13.10 | $16.86 | $12.00 | $12.55 | -2.49% | 1,098,627 |
| Aug 2017 | $14.19 | $14.84 | $12.03 | $12.87 | -7.94% | 270,223 |
| Jul 2017 | $11.50 | $14.30 | $10.86 | $13.98 | +22.74% | 301,828 |
| Jun 2017 | $11.43 | $11.91 | $10.50 | $11.39 | +2.43% | 137,848 |
| May 2017 | $10.95 | $12.47 | $10.34 | $11.12 | +1.09% | 96,916 |
| Apr 2017 | $13.25 | $13.30 | $10.25 | $11.00 | -17.14% | 214,128 |
| Mar 2017 | $12.37 | $13.61 | $11.85 | $13.28 | +8.72% | 438,343 |
| Feb 2017 | $11.27 | $12.91 | $10.48 | $12.21 | +16.62% | 260,157 |
| Jan 2017 | $8.42 | $12.29 | $8.24 | $10.47 | +22.31% | 567,426 |
| Dec 2016 | $10.39 | $10.98 | $7.95 | $8.56 | -18.40% | 608,014 |
| Nov 2016 | $11.71 | $12.32 | $9.66 | $10.49 | -10.88% | 1,108,495 |
| Oct 2016 | $8.93 | $19.75 | $8.58 | $11.77 | +29.85% | 7,464,528 |
| Sep 2016 | $6.60 | $11.25 | $5.31 | $9.06 | +36.51% | 1,180,800 |
| Aug 2016 | $6.65 | $7.26 | $6.60 | $6.64 | -5.14% | 59,504 |
| Jul 2016 | $7.73 | $7.88 | $6.80 | $7.00 | -13.47% | 87,200 |
| Jun 2016 | $9.00 | $9.60 | $7.28 | $8.09 | -5.93% | 113,902 |
| May 2016 | $9.75 | $9.85 | $8.11 | $8.60 | -13.83% | 125,500 |
| Apr 2016 | $7.00 | $12.78 | $6.65 | $9.98 | +46.33% | 357,300 |
| Mar 2016 | $6.60 | $7.96 | $4.26 | $6.82 | +1.04% | 129,309 |
| Feb 2016 | $9.51 | $9.51 | $6.53 | $6.75 | -25.00% | 93,927 |
| Jan 2016 | $11.00 | $11.16 | $8.10 | $9.00 | -21.74% | 28,700 |
| Dec 2015 | $10.45 | $11.89 | $10.02 | $11.50 | +9.94% | 223,521 |
| Nov 2015 | $10.13 | $11.60 | $8.84 | $10.46 | +3.56% | 71,914 |
| Oct 2015 | $10.50 | $11.53 | $10.10 | $10.10 | -2.98% | 49,537 |
| Sep 2015 | $11.80 | $12.40 | $10.10 | $10.41 | -12.52% | 133,400 |
| Aug 2015 | $12.56 | $13.30 | $11.80 | $11.90 | -8.11% | 193,900 |
| Jul 2015 | $11.00 | $13.01 | $10.59 | $12.95 | +22.61% | 262,900 |
| Jun 2015 | $10.29 | $12.45 | $10.20 | $10.56 | +1.75% | 551,200 |
| May 2015 | $10.95 | $11.89 | $10.02 | $10.38 | -0.57% | 325,600 |
| Apr 2015 | $12.14 | $14.78 | $10.05 | $10.44 | -15.74% | 576,200 |
| Mar 2015 | $10.02 | $12.39 | $9.75 | $12.39 | – | 2,467,400 |
Seasonality
SMMT return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 12.4% | 6.4% | 4.2% | 2.1% | 10.6% | -10.8% | 7.7% | 1.0% | 8.3% | -8.5% | -1.1% | 44.5% |
| Months up | 6 of 10 | 5 of 10 | 4 of 10 | 5 of 10 | 6 of 10 | 3 of 10 | 6 of 10 | 6 of 10 | 4 of 10 | 2 of 10 | 3 of 9 | 4 of 9 |
| 2026 | -17.2% | 14.6% | 14.3% | 13.2% | -18.3% | -16.9% | -10.6% | 4.6% | 24.2% | -5.2% | ||
| 2025 | 20.5% | -3.8% | -6.8% | 25.0% | -24.5% | 16.8% | 23.9% | -10.1% | -12.8% | -8.5% | -5.4% | -2.2% |
| 2024 | 50.2% | 15.8% | -8.8% | -5.1% | 121.0% | -10.2% | 38.5% | 20.2% | 68.7% | -15.1% | -0.7% | -3.3% |
| 2023 | -16.5% | -49.3% | -2.8% | -24.6% | 23.5% | 54.0% | -16.3% | -22.9% | 15.4% | 3.7% | 4.6% | 28.6% |
| 2022 | -18.2% | 24.5% | -10.6% | -35.1% | -16.4% | -24.8% | 1.0% | 18.8% | -0.8% | -8.4% | -26.6% | 431.3% |
| 2021 | 48.1% | -2.7% | -13.3% | 8.5% | 22.8% | -4.6% | -1.7% | 8.7% | -37.1% | 3.0% | -1.6% | -47.0% |
| 2020 | -4.4% | -9.8% | 71.7% | 58.2% | 7.7% | -26.5% | 21.9% | -4.7% | -0.3% | -4.9% | 37.6% | 4.4% |
| 2019 | 15.6% | 73.0% | -20.4% | -3.6% | -13.9% | -16.8% | 4.3% | 1.3% | 33.9% | -7.8% | -9.1% | 6.7% |
| 2018 | 23.9% | -14.7% | 10.2% | 1.0% | 2.5% | -81.6% | -6.1% | 2.2% | -5.5% | -23.4% | -23.5% | -11.5% |
| 2017 | 22.3% | 16.6% | 8.7% | -17.1% | 1.1% | 2.4% | 22.7% | -7.9% | -2.5% | -18.1% | 14.5% | -5.9% |