As of April 2026 Fastenal has a market cap of โน4.896 Trillion. This makes Fastenal the world's 471th 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 Apr 20th, 2026 the market cap of Fastenal was reported to be: