As of November 2026 Gossamer Bio has a market cap of ยฃ42.61 Million. This makes Gossamer Bio the world's 10245th 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 Nov 1st, 2026 the market cap of Gossamer Bio was reported to be: