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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $72,849 | -41.1% | 3,435 | -22.3% | 0.00% | – |
| Q2 2023 | $123,588 | +25.1% | 4,422 | +3.1% | 0.00% | – |
| Q1 2023 | $98,810 | +1.9% | 4,287 | -10.1% | 0.00% | – |
| Q4 2022 | $97,000 | -51.3% | 4,770 | -48.1% | 0.00% | – |
| Q3 2022 | $199,000 | -3.4% | 9,193 | -13.5% | 0.00% | – |
| Q2 2022 | $206,000 | +17.0% | 10,623 | +21.7% | 0.00% | – |
| Q1 2022 | $176,000 | 0.0% | 8,731 | +6.9% | 0.00% | – |
| Q4 2021 | $176,000 | -3.8% | 8,170 | -14.5% | 0.00% | – |
| Q3 2021 | $183,000 | +22.0% | 9,555 | +44.6% | 0.00% | – |
| Q2 2021 | $150,000 | +28.2% | 6,609 | +4.1% | 0.00% | – |
| Q1 2021 | $117,000 | +42.7% | 6,347 | +6.4% | 0.00% | – |
| Q4 2020 | $82,000 | +70.8% | 5,967 | +4.6% | 0.00% | – |
| Q3 2020 | $48,000 | -44.8% | 5,704 | -49.9% | 0.00% | – |
| Q2 2020 | $87,000 | +278.3% | 11,393 | -84.7% | 0.00% | – |
| Q1 2020 | $23,000 | – | 74,447 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trigran Investments, Inc. | 3,292,407 | $71,577,000 | 8.21% |
| Lagoda Investment Management, L.P. | 275,960 | $5,999,000 | 4.27% |
| ACK Asset Management | 717,400 | $15,596,000 | 4.13% |
| Avenir Corp | 1,721,164 | $37,418,000 | 3.97% |
| Montanaro Asset Management Ltd | 869,000 | $18,892,000 | 2.89% |
| Miura Global Management | 200,000 | $4,348,000 | 2.61% |
| EVR Research LP | 315,555 | $6,860,000 | 2.04% |
| SCHOLTZ & COMPANY, LLC | 129,895 | $2,686,000 | 1.92% |
| Mesirow Institutional Investment Management, Inc. | 516,095 | $11,220,000 | 1.63% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 458,532 | $9,968,000 | 1.59% |