Skip to main content
logo
Summit Therapeutics Inc. (SMMT)
NASDAQ: SMMT · Real-Time Price · USD
22.27
-2.31 (-9.40%)
At close: Apr 23, 2026, 4:00 PM EDT
22.43
+0.16 (0.72%)
After-hours: Apr 23, 2026, 7:55 PM EDT

Summit Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 23, 202623.8324.7222.1422.2722.27-9.40%4,966,073
Apr 22, 202626.6426.7723.4324.5824.58-6.82%8,236,795
Apr 21, 202625.2229.2324.9226.3826.385.02%10,182,254
Apr 20, 202624.5025.4423.7425.1225.12-0.12%3,368,947
Apr 17, 202624.5525.4824.0625.1525.152.99%4,895,388
Apr 16, 202621.2624.5421.2624.4224.4215.63%6,779,972
Apr 15, 202621.5022.1821.0321.1221.121.29%3,536,333
Apr 14, 202620.1121.0720.1020.8520.854.09%2,321,724
Apr 13, 202619.6020.5119.5320.0320.031.83%2,024,895
Apr 10, 202619.3119.8919.1519.6719.671.86%2,516,928
Apr 9, 202618.9719.5518.8619.3119.312.66%1,852,778
Apr 8, 202619.9920.1018.7518.8118.81-2.13%2,087,051
Apr 7, 202618.5619.3018.3819.2219.222.84%1,487,370
Apr 6, 202619.1919.4518.5618.6918.69-3.56%1,942,931
Apr 2, 202618.4019.8518.4019.3819.382.43%3,077,073
Apr 1, 202619.1719.5918.5718.9218.92-0.21%2,369,929
Mar 31, 202617.3019.0117.2018.9618.9611.66%3,928,459
Mar 30, 202616.7417.5416.7416.9816.982.41%2,683,678
Mar 27, 202617.4017.5116.3816.5816.58-3.94%2,080,250
Mar 26, 202617.4718.2417.1517.2617.26-3.79%4,341,851
Mar 25, 202615.9317.9915.8417.9417.9415.44%5,244,109
Mar 24, 202615.4316.1315.3615.5415.54-0.38%2,108,017
Mar 23, 202615.7316.2115.4715.6015.600.58%2,155,296
Mar 20, 202615.7316.2815.3815.5115.51-1.34%3,870,685
Mar 19, 202615.3915.8315.2515.7215.720.77%1,610,304
Mar 18, 202615.6615.8415.3815.6015.60-1.58%1,743,811
Mar 17, 202616.1816.3415.8115.8515.85-2.01%2,013,047
Mar 16, 202616.0716.4915.7116.1816.180.34%2,108,820
Mar 13, 202615.7016.7215.6616.1216.124.27%2,655,825
Mar 12, 202615.9716.1615.4515.4615.46-3.86%1,703,871
Mar 11, 202616.1816.5416.0016.0816.08-1.53%1,824,311
Mar 10, 202615.8716.6415.8716.3316.333.88%2,974,210
Mar 9, 202615.0015.8814.9715.7215.724.04%2,720,248
Mar 6, 202614.7315.3514.6015.1115.111.14%2,307,452
Mar 5, 202615.0715.1514.6714.9414.94-2.86%2,431,492
Mar 4, 202615.2915.4214.9315.3815.381.79%2,156,762
Mar 3, 202615.5415.7915.0815.1115.11-6.67%2,280,349
Mar 2, 202616.0016.4115.8516.1916.19-2.41%1,867,249
Feb 27, 202615.6116.6115.5616.5916.595.00%2,401,166
Feb 26, 202615.7215.8215.3615.8015.800.77%1,292,166
Feb 25, 202616.1716.5115.6415.6815.68-2.73%1,529,096
Feb 24, 202615.7816.8015.5016.1216.120.19%2,619,402
Feb 23, 202615.7516.2715.7216.0916.090.94%2,093,363
Feb 20, 202615.6816.2115.6615.9415.940.44%2,446,820
Feb 19, 202615.6715.8915.3915.8715.87-0.06%1,234,660
Feb 18, 202615.5716.1615.4915.8815.881.28%1,489,010
Feb 17, 202614.8515.9914.8515.6815.684.81%1,921,106
Feb 13, 202614.7415.5714.6714.9614.962.26%2,165,795
Feb 12, 202615.3115.3914.5814.6314.63-4.07%2,294,106
Feb 11, 202615.2715.5114.6415.2515.25-2,673,148