ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 164 filers reported holding ENERGY RECOVERY INC in Q4 2021. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $208,000 | -6.3% | 10,334 | 0.0% | 0.01% | 0.0% |
| Q4 2021 | $222,000 | +4.2% | 10,334 | -33.7% | 0.01% | -7.7% |
| Q4 2020 | $213,000 | +66.4% | 15,584 | 0.0% | 0.01% | +44.4% |
| Q3 2020 | $128,000 | +8.5% | 15,584 | 0.0% | 0.01% | +12.5% |
| Q2 2020 | $118,000 | -9.9% | 15,584 | -11.4% | 0.01% | 0.0% |
| Q1 2020 | $131,000 | -23.8% | 17,590 | 0.0% | 0.01% | 0.0% |
| Q4 2019 | $172,000 | – | 17,590 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trigran Investments, Inc. | 5,520,408 | $41,928,000 | 8.21% |
| Avenir Corp | 1,576,727 | $11,975,000 | 1.36% |
| ELKHORN PARTNERS LIMITED PARTNERSHIP | 69,000 | $524,000 | 0.41% |
| 683 Capital Management, LLC | 520,000 | $3,950,000 | 0.32% |
| FNY Investment Advisers, LLC | 50,007 | $379,000 | 0.22% |
| Monarch Partners Asset Management LLC | 107,324 | $815,000 | 0.20% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 141,552 | $1,075,000 | 0.18% |
| HEARTLAND ADVISORS INC | 168,943 | $1,283,000 | 0.11% |
| Redmond Asset Management, LLC | 31,041 | $236,000 | 0.10% |
| NJ State Employees Deferred Compensation Plan | 59,000 | $448,000 | 0.08% |