As of February 2026 ATI Inc. has a market cap of NZ$37.66 Billion. This makes ATI Inc. the world's 1085th 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 Feb 26th, 2026 the market cap of ATI Inc. was reported to be: