ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 142 filers reported holding ENERGY RECOVERY INC in Q1 2021. The put-call ratio across all filers is 0.63 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $2,810,579 | +604.1% | 121,934 | +525.9% | 0.01% | +500.0% |
| Q4 2022 | $399,186 | -60.7% | 19,482 | -58.4% | 0.00% | -50.0% |
| Q3 2022 | $1,017,000 | -15.1% | 46,800 | -24.1% | 0.00% | 0.0% |
| Q2 2022 | $1,198,000 | +182.5% | 61,643 | +192.8% | 0.00% | +100.0% |
| Q1 2022 | $424,000 | -85.7% | 21,055 | -86.5% | 0.00% | -91.7% |
| Q3 2021 | $2,973,000 | +25.9% | 156,218 | +50.7% | 0.01% | +9.1% |
| Q2 2021 | $2,362,000 | +204.8% | 103,679 | +145.4% | 0.01% | +175.0% |
| Q1 2021 | $775,000 | +25.8% | 42,249 | -40.0% | 0.00% | +33.3% |
| Q1 2019 | $616,000 | – | 70,454 | – | 0.00% | – |
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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% |