As of March 2026 ATI Inc. has a market cap of โน1.820 Trillion. This makes ATI Inc. the world's 1141th 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 Mar 19th, 2026 the market cap of ATI Inc. was reported to be: