ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 82 filers reported holding ENERGY RECOVERY INC in Q4 2013. The put-call ratio across all filers is 1.08 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2014 | $293,000 | -36.2% | 82,793 | -11.3% | 0.00% | -40.0% |
| Q2 2014 | $459,000 | -7.6% | 93,293 | 0.0% | 0.01% | 0.0% |
| Q1 2014 | $497,000 | -4.2% | 93,293 | 0.0% | 0.01% | -16.7% |
| Q4 2013 | $519,000 | -55.3% | 93,293 | -55.8% | 0.01% | -14.3% |
| Q3 2013 | $1,162,000 | +139.1% | 211,064 | +79.2% | 0.01% | +16.7% |
| Q2 2013 | $486,000 | – | 117,771 | – | 0.01% | – |
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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% |