As of December 2025 A. O. Smith has a market cap of โน860.49 Billion. This makes A. O. Smith the world's 2001th 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 16th, 2025 the market cap of A. O. Smith was reported to be: