As of October 2026 MP Materials has a market cap of โน705.86 Billion. This makes MP Materials the world's 2440th 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 Oct 29th, 2026 the market cap of MP Materials was reported to be: