ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 122 filers reported holding ENERGY RECOVERY INC in Q4 2016. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $117,000 | -84.0% | 5,376 | -86.5% | 0.00% | -100.0% |
| Q1 2021 | $732,000 | +2514.3% | 39,918 | +977.7% | 0.00% | – |
| Q2 2020 | $28,000 | -67.8% | 3,704 | -68.2% | 0.00% | -100.0% |
| Q1 2020 | $87,000 | +4250.0% | 11,634 | +5688.1% | 0.00% | – |
| Q3 2019 | $2,000 | -60.0% | 201 | -59.9% | 0.00% | – |
| Q2 2019 | $5,000 | -54.5% | 501 | -68.3% | 0.00% | – |
| Q4 2018 | $11,000 | +120.0% | 1,582 | +144.1% | 0.00% | – |
| Q2 2018 | $5,000 | -99.1% | 648 | -99.0% | 0.00% | -100.0% |
| Q1 2018 | $555,000 | -50.1% | 67,569 | -46.9% | 0.01% | -25.0% |
| Q4 2017 | $1,112,000 | +381.4% | 127,137 | +335.1% | 0.01% | +300.0% |
| Q3 2017 | $231,000 | +203.9% | 29,222 | +217.7% | 0.00% | +100.0% |
| Q2 2017 | $76,000 | -79.2% | 9,198 | -59.7% | 0.00% | -75.0% |
| Q3 2016 | $365,000 | +70.6% | 22,827 | -5.2% | 0.00% | +33.3% |
| Q2 2016 | $214,000 | +1158.8% | 24,091 | +279.6% | 0.00% | – |
| Q2 2015 | $17,000 | -60.5% | 6,346 | -61.7% | 0.00% | -100.0% |
| Q1 2015 | $43,000 | +1333.3% | 16,574 | +1892.1% | 0.00% | – |
| Q3 2014 | $3,000 | -91.9% | 832 | -88.8% | 0.00% | -100.0% |
| Q2 2014 | $37,000 | +208.3% | 7,432 | +240.8% | 0.00% | – |
| Q4 2013 | $12,000 | +71.4% | 2,181 | +28.6% | 0.00% | – |
| Q2 2013 | $7,000 | – | 1,696 | – | 0.00% | – |
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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% |