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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $54,000 | -39.3% | 8,171 | -26.1% | 0.00% | -25.0% |
| Q3 2021 | $89,000 | -57.4% | 11,052 | -79.7% | 0.00% | -63.6% |
| Q2 2021 | $209,000 | -23.4% | 54,324 | -3.5% | 0.01% | -15.4% |
| Q1 2021 | $273,000 | +4450.0% | 56,301 | +4976.7% | 0.01% | – |
| Q4 2019 | $6,000 | -14.3% | 1,109 | -78.7% | 0.00% | -100.0% |
| Q3 2019 | $7,000 | -79.4% | 5,209 | -56.5% | 0.00% | -75.0% |
| Q2 2019 | $34,000 | +240.0% | 11,971 | -27.2% | 0.00% | +300.0% |
| Q1 2019 | $10,000 | +900.0% | 16,447 | +1156.5% | 0.00% | – |
| Q4 2018 | $1,000 | -80.0% | 1,309 | -89.7% | 0.00% | – |
| Q3 2018 | $5,000 | -90.9% | 12,700 | -49.3% | 0.00% | -100.0% |
| Q2 2018 | $55,000 | +120.0% | 25,056 | +46.4% | 0.00% | +100.0% |
| Q1 2018 | $25,000 | -88.9% | 17,109 | -61.6% | 0.00% | -77.8% |
| Q4 2017 | $226,000 | +5.6% | 44,506 | +47.7% | 0.01% | +12.5% |
| Q3 2017 | $214,000 | +1026.3% | 30,139 | +88.3% | 0.01% | +700.0% |
| Q2 2017 | $19,000 | -47.2% | 16,006 | -47.4% | 0.00% | 0.0% |
| Q1 2017 | $36,000 | -50.0% | 30,440 | -24.2% | 0.00% | -66.7% |
| Q4 2016 | $72,000 | -80.2% | 40,165 | -25.0% | 0.00% | -81.2% |
| Q3 2016 | $363,000 | +1916.7% | 53,567 | +179.2% | 0.02% | – |
| Q2 2016 | $18,000 | -87.1% | 19,188 | -39.7% | 0.00% | -100.0% |
| Q1 2016 | $140,000 | +600.0% | 31,811 | +310.1% | 0.01% | +900.0% |
| Q4 2015 | $20,000 | – | 7,756 | – | 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% |