As of November 2026 X-Energy, Inc. has a market cap of $4.44 Billion USD. This makes X-Energy, Inc. the world's 3357th 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 31st, 2026 the market cap of X-Energy, Inc. was reported to be: