As of October 2026 Fastenal has a market cap of โน5.629 Trillion. This makes Fastenal the world's 413th 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 Oct 27th, 2026 the market cap of Fastenal was reported to be: