As of January 2026 Generation Bio has a market cap of โน3.42 Billion. This makes Generation Bio the world's 9927th 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 12th, 2026 the market cap of Generation Bio was reported to be: