As of March 2026 O'Reilly Automotive has a market cap of โน7.343 Trillion. This makes O'Reilly Automotive the world's 301th 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 Mar 1st, 2026 the market cap of O'Reilly Automotive was reported to be: