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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 week, 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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$15.49$16.55$14.37$16.03+3.62%20,762,482
Oct 19, 2026$14.90$16.35$14.83$15.47+5.74%25,135,004
Oct 12, 2026$17.48$17.59$14.56$14.63-16.83%25,233,839
Oct 5, 2026$16.97$18.33$16.44$17.59+4.98%31,263,487
Sep 28, 2026$15.50$19.09$15.18$16.76+7.34%59,648,702
Sep 21, 2026$18.40$18.42$15.55$15.61-12.55%23,142,386
Sep 14, 2026$18.07$18.83$17.11$17.85+1.71%38,147,200
Sep 8, 2026$17.43$18.32$16.80$17.55-0.31%20,658,678
Aug 31, 2026$13.51$17.63$13.37$17.61+28.22%35,776,066
Aug 24, 2026$13.08$15.10$12.22$13.73+4.33%31,104,116
Aug 17, 2026$13.05$13.53$12.07$13.16-1.42%33,556,702
Aug 10, 2026$14.14$15.75$12.99$13.35-4.37%28,439,902
Aug 3, 2026$13.11$14.02$12.77$13.96+7.22%15,276,141
Jul 27, 2026$13.85$14.23$12.25$13.02-4.69%20,843,951
Jul 20, 2026$13.74$15.71$13.20$13.66-1.09%22,325,101
Jul 13, 2026$15.11$15.63$13.36$13.81-9.44%15,326,354
Jul 6, 2026$15.50$16.05$14.86$15.25-1.10%14,587,339
Jun 29, 2026$14.21$15.70$14.12$15.42+10.06%22,313,583
Jun 22, 2026$13.78$14.81$13.70$14.01+1.89%29,127,774
Jun 15, 2026$14.44$14.60$13.56$13.75-1.86%28,719,515
Jun 8, 2026$14.94$14.98$12.55$14.01-5.15%38,324,101
Jun 1, 2026$16.70$16.84$14.17$14.77-15.79%45,934,306
May 26, 2026$16.58$18.51$15.89$17.54+5.54%19,048,420
May 18, 2026$16.87$17.96$15.55$16.62-1.48%21,960,559
May 11, 2026$18.21$19.42$16.84$16.87-6.69%13,324,602
May 4, 2026$16.33$18.19$16.00$18.08+12.19%21,428,291
Apr 27, 2026$22.08$22.55$15.14$16.12-27.02%33,196,062
Apr 20, 2026$24.50$29.23$21.45$22.08-12.21%32,040,340
Apr 13, 2026$19.60$25.48$19.52$25.15+27.86%19,585,149
Apr 6, 2026$19.19$20.10$18.38$19.67+1.50%9,929,705
Mar 30, 2026$16.74$19.85$16.74$19.38+16.89%12,076,363
Mar 23, 2026$15.73$18.24$15.36$16.58+6.90%15,959,964
Mar 16, 2026$16.07$16.49$15.25$15.51-3.78%11,348,762
Mar 9, 2026$15.00$16.72$14.97$16.12+6.68%11,878,465
Mar 2, 2026$16.00$16.41$14.60$15.11-8.92%11,043,304
Feb 23, 2026$15.75$16.80$15.36$16.59+4.08%9,935,193
Feb 17, 2026$14.85$16.21$14.85$15.94+6.55%7,091,596
Feb 9, 2026$15.00$15.77$14.58$14.96-0.20%11,001,416
Feb 2, 2026$14.21$15.11$13.83$14.99+3.52%16,492,684
Jan 26, 2026$16.29$16.78$14.43$14.48-12.19%14,995,938
Jan 20, 2026$16.65$17.98$15.66$16.49-3.23%13,694,210
Jan 12, 2026$19.86$19.90$16.27$17.04-13.41%20,434,281
Jan 5, 2026$17.49$20.20$17.29$19.68+12.33%13,523,951
Dec 29, 2025$17.91$18.15$17.15$17.52-3.42%6,402,667
Dec 22, 2025$17.85$18.53$17.67$18.14+1.80%7,291,732
Dec 15, 2025$17.70$17.90$16.87$17.82+1.42%12,243,154
Dec 8, 2025$18.44$18.74$16.81$17.57-4.04%13,403,505
Dec 1, 2025$17.55$19.10$16.76$18.31+2.35%14,124,050
Nov 24, 2025$16.23$18.17$16.23$17.89+10.50%7,898,889
Nov 17, 2025$17.77$18.00$15.62$16.19-10.21%13,102,452
Nov 10, 2025$18.30$19.40$17.74$18.03-0.83%9,681,739
Nov 3, 2025$18.74$19.18$17.37$18.18-3.86%15,647,801

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%