As of November 2026 Kaiser Aluminum has a market cap of โน173.23 Billion. This makes Kaiser Aluminum the world's 5076th 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 Nov 10th, 2026 the market cap of Kaiser Aluminum was reported to be: