As of October 2026 H2O America has a market cap of โน242.37 Billion. This makes H2O America the world's 4474th 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 Oct 2nd, 2026 the market cap of H2O America was reported to be: