As of January 2026 GATX has a market cap of โฌ5.42 Billion. This makes GATX the world's 2728th 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 13th, 2026 the market cap of GATX was reported to be: