ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 114 filers reported holding ENERGY RECOVERY INC in Q3 2018. The put-call ratio across all filers is 0.77 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $848 | +37.9% | 40 | +81.8% | 0.00% | – |
| Q2 2023 | $615 | -38.5% | 22 | -54.2% | 0.00% | – |
| Q3 2022 | $1,000 | -94.1% | 48 | -94.5% | 0.00% | – |
| Q1 2022 | $17,000 | -29.2% | 865 | -29.4% | 0.00% | – |
| Q4 2021 | $24,000 | +4.3% | 1,225 | 0.0% | 0.00% | – |
| Q3 2021 | $23,000 | -17.9% | 1,225 | 0.0% | 0.00% | – |
| Q2 2021 | $28,000 | +27.3% | 1,225 | 0.0% | 0.00% | – |
| Q1 2021 | $22,000 | +29.4% | 1,225 | 0.0% | 0.00% | – |
| Q4 2020 | $17,000 | +112.5% | 1,225 | +25.6% | 0.00% | – |
| Q3 2020 | $8,000 | +14.3% | 975 | 0.0% | 0.00% | – |
| Q2 2020 | $7,000 | -75.9% | 975 | -74.8% | 0.00% | – |
| Q1 2020 | $29,000 | -23.7% | 3,865 | 0.0% | 0.00% | – |
| Q4 2019 | $38,000 | 0.0% | 3,865 | -4.9% | 0.00% | – |
| Q3 2019 | $38,000 | +5.6% | 4,065 | +18.3% | 0.00% | – |
| Q2 2019 | $36,000 | +20.0% | 3,435 | 0.0% | 0.00% | – |
| Q1 2019 | $30,000 | +30.4% | 3,435 | 0.0% | 0.00% | – |
| Q4 2018 | $23,000 | -60.3% | 3,435 | -46.6% | 0.00% | -100.0% |
| Q3 2018 | $58,000 | +114.8% | 6,435 | +90.7% | 0.00% | – |
| Q2 2018 | $27,000 | -3.6% | 3,375 | 0.0% | 0.00% | – |
| Q1 2018 | $28,000 | – | 3,375 | – | 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% |