NASDAQ
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Annexon, Inc. (ANNX) has a market cap of $1.04B as of Friday, May 22, 2026. The ANNX market cap is up 6.80% over the past 30 days and has grown 239.41% over the past year. Market capitalization represents the total market value of a company's outstanding shares, calculated by multiplying the stock price by the total number of shares outstanding.