ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 112 filers reported holding ENERGY RECOVERY INC in Q4 2020. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $545,372 | -47.9% | 25,713 | -31.4% | 0.00% | – |
| Q2 2023 | $1,047,202 | +250.1% | 37,467 | +188.8% | 0.00% | – |
| Q1 2023 | $299,073 | -72.0% | 12,975 | -75.5% | 0.00% | – |
| Q1 2022 | $1,068,000 | +81.9% | 52,990 | +94.1% | 0.00% | – |
| Q4 2021 | $587,000 | +9.7% | 27,300 | -2.8% | 0.00% | – |
| Q3 2021 | $535,000 | -37.0% | 28,100 | -24.6% | 0.00% | – |
| Q2 2021 | $849,000 | +510.8% | 37,269 | +120.0% | 0.00% | – |
| Q3 2020 | $139,000 | +41.8% | 16,943 | +27.9% | 0.00% | – |
| Q1 2020 | $98,000 | -48.1% | 13,249 | +12.3% | 0.00% | -100.0% |
| Q3 2016 | $189,000 | +51.2% | 11,797 | -16.1% | 0.00% | 0.0% |
| Q2 2016 | $125,000 | +1.6% | 14,059 | +17.8% | 0.00% | 0.0% |
| Q1 2016 | $123,000 | +66.2% | 11,932 | +13.6% | 0.00% | – |
| Q4 2015 | $74,000 | +25.4% | 10,500 | -62.1% | 0.00% | – |
| Q3 2015 | $59,000 | -73.4% | 27,721 | -33.5% | 0.00% | -100.0% |
| Q1 2014 | $222,000 | – | 41,670 | – | 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% |