As of December 2025 Generation Bio has a market cap of A$54.71 Million. This makes Generation Bio the world's 9948th 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 Dec 18th, 2025 the market cap of Generation Bio was reported to be: