Energy Recovery Inc (ERII)
Who owns Energy Recovery Inc (ERII)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.2% of the shares are freely tradable; institutional investors hold 97.5%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 11.71 | 6,090,926 | -3.9 | 03/31/2026 |
| Ameriprise Financial Inc | 10.11 | 5,259,816 | +15.3 | 03/31/2026 |
| Vanguard Group Inc | 7.41 | 3,852,438 | +2.4 | 12/31/2025 |
| Amundi | 7.19 | 3,740,309 | +31.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.29 | 2,230,270 | +0.0 | 03/31/2026 |
| Fidelity International Ltd | 3.82 | 1,987,919 | -0.3 | 03/31/2026 |
| Legal & General Group PLC | 3.66 | 1,902,525 | +41.6 | 03/31/2026 |
| State Street Corp | 3.41 | 1,772,948 | +0.5 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| CT (Lux) American Smaller Com 9U USD | 4.10 | 2,129,591 | -22.9 | 04/30/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.06 | 1,592,328 | +0.0 | 04/30/2026 |
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 |
|---|---|---|---|---|---|---|
| 28. Jul 2026 | Clemente Rodney | SVP, Water | Sell | 5,387 | 8.56 | 46,113 |
| 28. Jul 2026 | Yeung William | Chief Legal Officer | Sell | 2,048 | 8.56 | 17,531 |
| 27. Jul 2026 | Clemente Rodney | SVP, Water | Other | 2,320 | 8.42 | 19,534 |
| 27. Jul 2026 | Yeung William | Chief Legal Officer | Other | 2,828 | 8.42 | 23,812 |
| 9. Jul 2026 | Mitchell John Joseph | Director | Other | 16,797 | 0.00 | – |
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.