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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $954,000 | -35.8% | 41,890 | -48.3% | 0.06% | -17.6% |
| Q1 2021 | $1,486,000 | +196.0% | 81,011 | +120.2% | 0.07% | +236.4% |
| Q4 2020 | $502,000 | +439.8% | 36,783 | +194.2% | 0.02% | +214.3% |
| Q1 2020 | $93,000 | -58.3% | 12,504 | -45.2% | 0.01% | -30.0% |
| Q4 2019 | $223,000 | -15.5% | 22,828 | -19.8% | 0.01% | -23.1% |
| Q3 2019 | $264,000 | +125.6% | 28,474 | +153.3% | 0.01% | +116.7% |
| Q2 2019 | $117,000 | -56.3% | 11,239 | -63.3% | 0.01% | -62.5% |
| Q1 2019 | $268,000 | +7.6% | 30,658 | -17.2% | 0.02% | -20.0% |
| Q4 2018 | $249,000 | – | 37,033 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Miura Global Management | 260,000 | $5,514,600 | 3.77% |
| Avenir Corp | 1,780,540 | $37,765,245 | 3.54% |
| Lagoda Investment Management, L.P. | 228,595 | $4,848,500 | 3.18% |
| Montanaro Asset Management Ltd | 848,250 | $17,991,383 | 3.16% |
| Trigran Investments, Inc. | 1,333,585 | $28,285,338 | 3.01% |
| ACK Asset Management | 877,400 | $18,610 | 2.70% |
| Sargent Investment Group, LLC | 353,095 | $7,489,145 | 1.80% |
| Pembroke Management, LTD | 548,031 | $11,623,738 | 1.59% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 378,234 | $8,022,343 | 1.31% |
| Mesirow Institutional Investment Management, Inc. | 592,076 | $12,557,932 | 1.27% |