As of January 2026 Summit Therapeutics has a market cap of NZ$22.56 Billion. This makes Summit Therapeutics the world's 1652th 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 13th, 2026 the market cap of Summit Therapeutics was reported to be: