As of January 2026 Summit Therapeutics has a market cap of โน1.321 Trillion. This makes Summit Therapeutics the world's 1487th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 10th, 2026 the market cap of Summit Therapeutics was reported to be: