As of December 2025 GATX has a market cap of โน528.71 Billion. This makes GATX the world's 2767th 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 Dec 9th, 2025 the market cap of GATX was reported to be: