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H2O America
HTO
Market cap$2.37 B
Rank#1989
SEC filings1,595
Market capitalization of H2O America
As of 2026-06-12, H2O America (HTO) has a market capitalization of $2.37 B, making it the #1989 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-12 | $2.37 B |
| 2026-06-11 | $2.38 B |
| 2026-06-10 | $2.42 B |
| 2026-05-29 | $2.40 B |
| 2026-05-28 | $2.43 B |
| 2026-05-26 | $2.42 B |
| 2026-05-25 | $2.43 B |
| 2026-05-24 | $2.43 B |
| 2026-05-22 | $2.43 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is H2O America's market cap?
As of 2026-06-12, H2O America (HTO) has a market capitalization of $2.37 B, making it the #1989 most valuable US-listed company.
Where does H2O America rank by market cap?
H2O America is the #1989 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.