As of February 2026 W. W. Grainger has a market cap of HK$428.32 Billion. This makes W. W. Grainger the world's 451th 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 Feb 27th, 2026 the market cap of W. W. Grainger was reported to be: