NASDAQ
Castle Biosciences, Inc. (CSTL) has a market cap of $607.94M as of Friday, May 22, 2026. The CSTL market cap is down 17.43% over the past 30 days and has grown 33.73% 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.
No price data available for this timeframe.