ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 109 filers reported holding ENERGY RECOVERY INC in Q1 2018. The put-call ratio across all filers is 0.97 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $2,469,000 | +1546.0% | 282,202 | +1390.6% | 0.01% | +1100.0% |
| Q3 2017 | $150,000 | +80.7% | 18,932 | +89.2% | 0.00% | – |
| Q1 2017 | $83,000 | -60.5% | 10,007 | -50.8% | 0.00% | -100.0% |
| Q4 2016 | $210,000 | -80.0% | 20,327 | -69.1% | 0.00% | -75.0% |
| Q3 2016 | $1,052,000 | +19.7% | 65,800 | -22.6% | 0.01% | +14.3% |
| Q1 2016 | $879,000 | +210.6% | 85,000 | +112.5% | 0.01% | +600.0% |
| Q4 2015 | $283,000 | +97.9% | 40,000 | +54.4% | 0.00% | 0.0% |
| Q4 2013 | $143,000 | -86.6% | 25,900 | -82.4% | 0.00% | -66.7% |
| Q3 2013 | $1,066,000 | +1444.9% | 147,200 | +776.2% | 0.00% | – |
| Q2 2013 | $69,000 | – | 16,800 | – | 0.00% | – |
Download | ||||||
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% |