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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $76,356 | -26.2% | 3,600 | -2.7% | 0.00% | – |
| Q2 2023 | $103,415 | +21.3% | 3,700 | 0.0% | 0.00% | – |
| Q1 2023 | $85,285 | -19.1% | 3,700 | -28.1% | 0.00% | – |
| Q4 2022 | $105,380 | -2.4% | 5,143 | +3.5% | 0.00% | – |
| Q3 2022 | $108,000 | +14.9% | 4,970 | +2.1% | 0.00% | – |
| Q2 2022 | $94,000 | -2.1% | 4,870 | +2.5% | 0.00% | – |
| Q1 2022 | $96,000 | 0.0% | 4,750 | +6.6% | 0.00% | – |
| Q4 2021 | $96,000 | +41.2% | 4,456 | +23.8% | 0.00% | – |
| Q3 2021 | $68,000 | -12.8% | 3,600 | +5.9% | 0.00% | – |
| Q2 2021 | $78,000 | +39.3% | 3,400 | +13.3% | 0.00% | – |
| Q1 2021 | $56,000 | +40.0% | 3,000 | 0.0% | 0.00% | – |
| Q4 2020 | $40,000 | +122.2% | 3,000 | +36.4% | 0.00% | – |
| Q3 2020 | $18,000 | +125.0% | 2,200 | +120.0% | 0.00% | – |
| Q2 2020 | $8,000 | – | 1,000 | – | 0.00% | – |
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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% |