As of May 2026 W. W. Grainger has a market cap of โฌ51.65 Billion. This makes W. W. Grainger the world's 398th 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 May 15th, 2026 the market cap of W. W. Grainger was reported to be: