As of September 2026 Annexon has a market cap of C$1.28 Billion. This makes Annexon the world's 6502th 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 Sep 1st, 2026 the market cap of Annexon was reported to be: