As of December 2025 W. W. Grainger has a market cap of โฌ42.04 Billion. This makes W. W. Grainger 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 Dec 11th, 2025 the market cap of W. W. Grainger was reported to be: