ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 170 filers reported holding ENERGY RECOVERY INC in Q1 2023. The put-call ratio across all filers is 1.11 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $160,457 | -55.9% | 7,831 | -53.3% | 0.01% | -55.6% |
| Q3 2022 | $364,000 | +191.2% | 16,754 | +158.8% | 0.03% | +145.5% |
| Q2 2022 | $125,000 | +197.6% | 6,474 | +187.0% | 0.01% | +266.7% |
| Q3 2021 | $42,000 | -82.1% | 2,256 | -78.1% | 0.00% | -83.3% |
| Q2 2021 | $234,000 | +40.1% | 10,295 | +12.5% | 0.02% | +12.5% |
| Q1 2021 | $167,000 | +943.8% | 9,153 | +381.7% | 0.02% | +1500.0% |
| Q4 2017 | $16,000 | +128.6% | 1,900 | +90.0% | 0.00% | 0.0% |
| Q3 2017 | $7,000 | -77.4% | 1,000 | -73.7% | 0.00% | -66.7% |
| Q1 2017 | $31,000 | -54.4% | 3,800 | -42.2% | 0.00% | -62.5% |
| Q4 2016 | $68,000 | -58.3% | 6,579 | -35.9% | 0.01% | -55.6% |
| Q3 2016 | $163,000 | +2228.6% | 10,256 | +1201.5% | 0.02% | +1700.0% |
| Q2 2016 | $7,000 | – | 788 | – | 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% |