NASDAQ
Builders FirstSource, Inc. (BLDR) has a market cap of $8.11B as of Thursday, May 21, 2026. The BLDR market cap is down 18.26% over the past 30 days and has declined 32.50% 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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