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 | $16,000 | +33.3% | 1,800 | 0.0% | 0.01% | +20.0% |
| Q4 2018 | $12,000 | -20.0% | 1,800 | 0.0% | 0.01% | -16.7% |
| Q3 2018 | $15,000 | 0.0% | 1,800 | 0.0% | 0.01% | 0.0% |
| Q2 2018 | $15,000 | 0.0% | 1,800 | 0.0% | 0.01% | 0.0% |
| Q1 2018 | $15,000 | -6.2% | 1,800 | 0.0% | 0.01% | 0.0% |
| Q4 2017 | $16,000 | -96.7% | 1,800 | -97.1% | 0.01% | -96.8% |
| Q3 2017 | $488,000 | -4.7% | 61,800 | 0.0% | 0.19% | -11.7% |
| Q2 2017 | $512,000 | -0.4% | 61,800 | 0.0% | 0.21% | -3.6% |
| Q1 2017 | $514,000 | -19.7% | 61,800 | 0.0% | 0.22% | -24.7% |
| Q4 2016 | $640,000 | -33.3% | 61,800 | +3.0% | 0.30% | -33.9% |
| Q3 2016 | $959,000 | +17.5% | 60,000 | -34.6% | 0.45% | +12.9% |
| Q2 2016 | $816,000 | -12.3% | 91,700 | +1.9% | 0.40% | -11.6% |
| Q1 2016 | $930,000 | +9.7% | 90,000 | -25.0% | 0.45% | +18.3% |
| Q4 2015 | $848,000 | – | 120,000 | – | 0.38% | – |
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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% |