As of January 2026 Builders FirstSource has a market cap of โฌ11.82 Billion. This makes Builders FirstSource the world's 1554th 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 Jan 9th, 2026 the market cap of Builders FirstSource was reported to be: