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 | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $5,831 | +26.5% | 253 | +12.4% | 0.00% | – |
| Q4 2022 | $4,610 | +53.7% | 225 | +50.0% | 0.00% | – |
| Q2 2021 | $3,000 | +50.0% | 150 | 0.0% | 0.00% | – |
| Q4 2020 | $2,000 | +100.0% | 150 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | -75.0% | 150 | -85.0% | 0.00% | -100.0% |
| Q4 2014 | $4,000 | – | 1,000 | – | 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% |