ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 112 filers reported holding ENERGY RECOVERY INC in Q4 2020. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,362,000 | -42.0% | 63,364 | -48.6% | 0.00% | -33.3% |
| Q3 2021 | $2,347,000 | +131.0% | 123,333 | +176.6% | 0.00% | +200.0% |
| Q2 2021 | $1,016,000 | -81.8% | 44,583 | -85.4% | 0.00% | -85.7% |
| Q1 2021 | $5,595,000 | +33.4% | 305,059 | -0.8% | 0.01% | +16.7% |
| Q4 2020 | $4,195,000 | +129.4% | 307,547 | +37.9% | 0.01% | +100.0% |
| Q3 2020 | $1,829,000 | -21.4% | 223,066 | -27.2% | 0.00% | -25.0% |
| Q2 2020 | $2,327,000 | +154.6% | 306,378 | +149.3% | 0.00% | +33.3% |
| Q1 2020 | $914,000 | +178.7% | 122,900 | +246.9% | 0.00% | +200.0% |
| Q3 2019 | $328,000 | – | 35,424 | – | 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% |