H2O America Common Stock (HTO)
WATER SUPPLY
H2O America Common Stock (HTO) is listed on Nasdaq, where it has traded since June 1, 1972.
- Listed On
- Nasdaq
- Listed Since
- June 1, 1972
- Employees
- 837
- Market Cap
- $3.0B
About H2O America Common Stock
H2O America is a national investor-owned network of local water and wastewater utilities united by one purpose: delivering clean, high-quality water to the communities it calls home. Across approximately 407,000 water and wastewater service connections, the company invests in critical infrastructure to strengthen the water supply for generations to come. Its single reportable segment provides water utility and utility-related services to its customers.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 305 institutions reported holding HTO, with 42.9 million shares worth $2.6 billion in aggregate. The largest reported holder was BlackRock, with 7.1 million shares worth $431.9 million. Of the 5 largest holders listed below, 4 added shares and 1 reduced its position during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 7,106,413 | $432M | Added 10.73% |
| Atlas Infrastructure Partners (UK) Ltd | 4,612,035 | $280M | Added 1.76% |
| Vanguard | 3,172,488 | $193M | Added 0.15% |
| Wellington Management | 1,995,839 | $121M | Added 23.69% |
| Antipodes Partners | 1,759,602 | $107M | Reduced 21.76% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is HTO?
H2O America Common Stock (HTO) is listed on Nasdaq, where it has traded since June 1, 1972.
Who are the largest institutional holders of HTO?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of HTO were BlackRock, Atlas Infrastructure Partners (UK) Ltd and Vanguard.
How many institutions own HTO?
305 institutions reported a position in HTO for the quarter ended June 30, 2026, worth $2.6 billion in total.
Did institutions buy or sell HTO last quarter?
Of the 5 largest reported holders, 4 added shares and 1 reduced its position during the quarter. Every reported holder and its change is on the SentiSense ownership page for HTO.
Every reported institutional holder, plus insider and congressional trades in HTO, on SentiSense.