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Summit Therapeutics Inc. (SMMT) stock

SMMTNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Jul 23, 2026Score 6/30
$16.03−0.17 (-1.05%)

Close on Oct 30, 2026Market cap $12.79BP/E –Yield –

Price history

Summit Therapeutics share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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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
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$16.03$16.43$15.57$16.03-1.05%3,508,017
Oct 29, 2026$15.80$16.55$15.75$16.20+2.73%4,415,071
Oct 28, 2026$15.19$15.80$15.07$15.77+2.87%3,316,818
Oct 27, 2026$14.54$15.38$14.40$15.33+5.72%4,739,590
Oct 26, 2026$15.49$15.62$14.37$14.50-6.27%4,782,986
Oct 23, 2026$15.46$15.55$15.08$15.47-0.51%3,210,684
Oct 22, 2026$15.29$15.70$15.13$15.55-1.77%4,150,760
Oct 21, 2026$16.35$16.35$15.72$15.83-1.62%5,366,558
Oct 20, 2026$15.50$16.18$15.06$16.09+3.34%6,252,801
Oct 19, 2026$14.90$15.77$14.83$15.57+6.43%6,154,201
Oct 16, 2026$15.39$15.41$14.56$14.63-4.81%4,331,009
Oct 15, 2026$15.09$15.55$15.08$15.37+1.59%4,733,233
Oct 14, 2026$15.29$15.57$15.04$15.13-2.51%4,661,710
Oct 13, 2026$16.79$16.79$15.47$15.52-9.40%7,131,981
Oct 12, 2026$17.48$17.59$17.05$17.13-2.62%4,375,906
Oct 9, 2026$17.36$17.62$16.82$17.59+2.45%5,755,325
Oct 8, 2026$17.61$17.64$16.80$17.17-4.35%6,179,332
Oct 7, 2026$17.10$18.33$16.98$17.95+3.70%8,175,297
Oct 6, 2026$17.49$17.53$16.53$17.31+0.23%5,875,829
Oct 5, 2026$16.97$17.62$16.44$17.27+3.07%5,277,704
Oct 2, 2026$16.96$17.32$16.66$16.76+0.39%5,196,190
Oct 1, 2026$16.82$17.50$16.59$16.69-1.30%7,900,981
Sep 30, 2026$16.59$17.72$16.17$16.91+3.17%13,060,430
Sep 29, 2026$18.91$19.09$16.15$16.39+5.88%27,339,970
Sep 28, 2026$15.50$15.82$15.18$15.48-0.83%6,151,131
Sep 25, 2026$16.45$16.58$15.55$15.61-4.70%3,807,975
Sep 24, 2026$16.37$16.78$16.09$16.38-0.43%5,045,332
Sep 23, 2026$17.10$17.46$16.25$16.45-3.91%3,891,072
Sep 22, 2026$16.97$17.50$16.79$17.12+1.30%4,617,160
Sep 21, 2026$18.40$18.42$16.64$16.90-5.32%5,780,847

Seasonality

SMMT return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average12.4%6.4%4.2%2.1%10.6%-10.8%7.7%1.0%8.3%-8.5%-1.1%44.5%
Months up6 of 105 of 104 of 105 of 106 of 103 of 106 of 106 of 104 of 102 of 103 of 94 of 9
2026-17.2%14.6%14.3%13.2%-18.3%-16.9%-10.6%4.6%24.2%-5.2%
202520.5%-3.8%-6.8%25.0%-24.5%16.8%23.9%-10.1%-12.8%-8.5%-5.4%-2.2%
202450.2%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%
202148.1%-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%
201915.6%73.0%-20.4%-3.6%-13.9%-16.8%4.3%1.3%33.9%-7.8%-9.1%6.7%
201823.9%-14.7%10.2%1.0%2.5%-81.6%-6.1%2.2%-5.5%-23.4%-23.5%-11.5%
201722.3%16.6%8.7%-17.1%1.1%2.4%22.7%-7.9%-2.5%-18.1%14.5%-5.9%