As of September 2026 Western Digital has a market cap of โฌ138.50 Billion. This makes Western Digital the world's 135th 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 Sep 18th, 2026 the market cap of Western Digital was reported to be: