As of January 2026 Allegheny Technologies has a market cap of โน1.469 Trillion. This makes Allegheny Technologies the world's 1355th 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 Jan 8th, 2026 the market cap of Allegheny Technologies was reported to be: