As of April 2025 American Water Works has a market cap of $28.93 Billion USD. This makes American Water Works the world's 673th 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 17th, 2025 the market cap of American Water Works was reported to be: