As of December 2025 Western Digital has a market cap of โน4.963 Trillion. This makes Western Digital the world's 426th 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 4th, 2025 the market cap of Western Digital was reported to be: