ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 107 filers reported holding ENERGY RECOVERY INC in Q1 2019. The put-call ratio across all filers is 0.87 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $672,000 | +29.7% | 76,935 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $518,000 | -62.4% | 76,935 | -50.0% | 0.00% | 0.0% |
| Q3 2018 | $1,378,000 | +148.3% | 153,870 | +124.2% | 0.00% | 0.0% |
| Q2 2018 | $555,000 | -1.6% | 68,641 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $564,000 | -6.2% | 68,641 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $601,000 | +10.9% | 68,641 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $542,000 | -4.7% | 68,641 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $569,000 | +4.0% | 68,641 | +4.4% | 0.00% | 0.0% |
| Q1 2017 | $547,000 | -16.2% | 65,754 | +4.3% | 0.00% | 0.0% |
| Q4 2016 | $653,000 | -24.2% | 63,071 | +17.1% | 0.00% | 0.0% |
| Q3 2016 | $861,000 | +79.7% | 53,862 | 0.0% | 0.00% | 0.0% |
| Q2 2016 | $479,000 | +213.1% | 53,862 | -8.6% | 0.00% | – |
| Q1 2015 | $153,000 | -50.8% | 58,932 | 0.0% | 0.00% | -100.0% |
| Q4 2014 | $311,000 | +51.7% | 58,932 | +1.6% | 0.00% | – |
| Q3 2014 | $205,000 | -28.1% | 58,020 | 0.0% | 0.00% | -100.0% |
| Q2 2014 | $285,000 | -33.6% | 58,020 | -28.0% | 0.00% | 0.0% |
| Q1 2014 | $429,000 | +10.0% | 80,572 | +14.8% | 0.00% | 0.0% |
| Q4 2013 | $390,000 | -5.3% | 70,172 | +23.4% | 0.00% | 0.0% |
| Q3 2013 | $412,000 | +95.3% | 56,872 | +11.2% | 0.00% | 0.0% |
| Q2 2013 | $211,000 | – | 51,129 | – | 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% |