ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 70 filers reported holding ENERGY RECOVERY INC in Q1 2015. The put-call ratio across all filers is 0.31 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $786,000 | +230.3% | 111,174 | 0.0% | 0.02% | +200.0% |
| Q3 2015 | $238,000 | +30.1% | 111,174 | +66.7% | 0.01% | +25.0% |
| Q2 2015 | $183,000 | -56.8% | 66,700 | -59.3% | 0.00% | -55.6% |
| Q1 2015 | $424,000 | -50.9% | 163,700 | 0.0% | 0.01% | -55.0% |
| Q4 2014 | $863,000 | +49.1% | 163,700 | 0.0% | 0.02% | +33.3% |
| Q3 2014 | $579,000 | -28.1% | 163,700 | 0.0% | 0.02% | -28.6% |
| Q2 2014 | $805,000 | -7.6% | 163,700 | 0.0% | 0.02% | -16.0% |
| Q1 2014 | $871,000 | +135.4% | 163,700 | +145.4% | 0.02% | +127.3% |
| Q4 2013 | $370,000 | -23.4% | 66,700 | 0.0% | 0.01% | -31.2% |
| Q3 2013 | $483,000 | +75.6% | 66,700 | 0.0% | 0.02% | +45.5% |
| Q2 2013 | $275,000 | – | 66,700 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Tortoise Index Solutions, LLC | 17,231 | $43,490,773 | 7.60% |
| Trigran Investments, Inc. | 3,469,877 | $71,097,780 | 7.13% |
| Lagoda Investment Management, L.P. | 289,520 | $5,932,265 | 4.00% |
| Avenir Corp | 1,723,386 | $35,312,179 | 3.54% |
| Montanaro Asset Management Ltd | 879,000 | $18,010,710 | 2.93% |
| Miura Global Management | 280,000 | $5,737,200 | 2.89% |
| ACK Asset Management | 727,400 | $14,904 | 2.74% |
| SCHOLTZ & COMPANY, LLC | 129,545 | $2,654 | 1.88% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 458,560 | $9,396 | 1.46% |
| Mesirow Institutional Investment Management, Inc. | 502,150 | $10,289,054 | 1.35% |