As of December 2025 Summit Therapeutics has a market cap of C$18.84 Billion. This makes Summit Therapeutics the world's 1529th 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 Dec 7th, 2025 the market cap of Summit Therapeutics was reported to be: