As of February 2026 Gossamer Bio has a market cap of โน8.34 Billion. This makes Gossamer Bio the world's 9310th 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 Feb 25th, 2026 the market cap of Gossamer Bio was reported to be: