ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 173 filers reported holding ENERGY RECOVERY INC in Q4 2022. The put-call ratio across all filers is 0.31 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,690,919 | +72.1% | 174,017 | +126.8% | 0.01% | +75.0% |
| Q2 2023 | $2,144,322 | +43.5% | 76,720 | +18.4% | 0.00% | +33.3% |
| Q1 2023 | $1,494,099 | +45.9% | 64,820 | +29.7% | 0.00% | +50.0% |
| Q4 2022 | $1,023,884 | +1362.7% | 49,970 | +1203.7% | 0.00% | – |
| Q1 2021 | $70,000 | +6.1% | 3,833 | -23.8% | 0.00% | – |
| Q4 2020 | $66,000 | -92.9% | 5,031 | -95.5% | 0.00% | -100.0% |
| Q3 2020 | $925,000 | -14.3% | 112,980 | -19.8% | 0.00% | 0.0% |
| Q2 2020 | $1,079,000 | +1861.8% | 140,812 | +1777.5% | 0.00% | – |
| Q1 2020 | $55,000 | -67.8% | 7,500 | -60.8% | 0.00% | – |
| Q4 2017 | $171,000 | +34.6% | 19,149 | +56.2% | 0.00% | – |
| Q4 2016 | $127,000 | – | 12,257 | – | 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% |