As of October 2026 Gossamer Bio has a market cap of C$84.85 Million. This makes Gossamer Bio the world's 10228th 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 Oct 13th, 2026 the market cap of Gossamer Bio was reported to be: