NASDAQ
Amphastar Pharmaceuticals, Inc. (AMPH) has a market cap of $816.82M as of Friday, May 22, 2026. The AMPH market cap is down 15.23% over the past 30 days and has declined 29.15% 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.
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