As of April 2026 GATX has a market cap of โน639.82 Billion. This makes GATX the world's 2577th 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 Apr 11th, 2026 the market cap of GATX was reported to be: