H2O America (HTO)
Who owns H2O America (HTO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 87.2% of the shares are freely tradable; institutional investors hold 120.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 15.34 | 6,417,733 | -3.6 | 03/31/2026 |
| ATLAS Infrastructure Partners (UK) Ltd | 10.83 | 4,532,084 | +675.9 | 03/31/2026 |
| Vanguard Group Inc | 6.53 | 2,731,868 | +2.9 | 12/31/2025 |
| Antipodes Partners Limited | 5.38 | 2,249,029 | +485.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.03 | 1,687,253 | +0.0 | 03/31/2026 |
| Wellington Management Company LLP | 3.86 | 1,613,571 | +0.0 | 03/31/2026 |
| Cohen & Steers Inc | 3.84 | 1,607,964 | +195.3 | 03/31/2026 |
| State Street Corp | 3.42 | 1,431,151 | +5.2 | 03/31/2026 |
| HPM Partners LLC | 3.13 | 1,309,679 | -9.4 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.42 | 2,266,374 | +0.0 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 7. Jul 2026 | ATLAS Infrastructure Partners (UK) Ltd. | 10% Owner | Buy | 2,784 | 62.03 | 172,692 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.