ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 180 filers reported holding ENERGY RECOVERY INC in Q3 2023. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $34,000 | -17.1% | 1,806 | 0.0% | 0.01% | -25.0% |
| Q2 2021 | $41,000 | +64.0% | 1,806 | 0.0% | 0.02% | +33.3% |
| Q1 2021 | $25,000 | 0.0% | 1,806 | 0.0% | 0.01% | 0.0% |
| Q4 2020 | $25,000 | +66.7% | 1,806 | 0.0% | 0.01% | +33.3% |
| Q3 2020 | $15,000 | +7.1% | 1,806 | 0.0% | 0.01% | -10.0% |
| Q2 2020 | $14,000 | +7.7% | 1,806 | 0.0% | 0.01% | -9.1% |
| Q1 2020 | $13,000 | -23.5% | 1,806 | 0.0% | 0.01% | -15.4% |
| Q4 2019 | $17,000 | 0.0% | 1,806 | 0.0% | 0.01% | -18.8% |
| Q3 2019 | $17,000 | -10.5% | 1,806 | 0.0% | 0.02% | -5.9% |
| Q2 2019 | $19,000 | +26.7% | 1,806 | 0.0% | 0.02% | +54.5% |
| Q1 2019 | $15,000 | +25.0% | 1,806 | 0.0% | 0.01% | +22.2% |
| Q4 2018 | $12,000 | – | 1,806 | – | 0.01% | – |
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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% |