ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 159 filers reported holding ENERGY RECOVERY INC in Q2 2021. The put-call ratio across all filers is 0.78 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $401,000 | +15.9% | 18,675 | +2.8% | 0.07% | +1.5% |
| Q3 2021 | $346,000 | -38.1% | 18,172 | -25.9% | 0.07% | -38.7% |
| Q2 2021 | $559,000 | +23.4% | 24,539 | -0.6% | 0.11% | +14.4% |
| Q1 2021 | $453,000 | +34.8% | 24,675 | +0.2% | 0.10% | +22.8% |
| Q4 2020 | $336,000 | +68.8% | 24,635 | +1.4% | 0.08% | +43.6% |
| Q3 2020 | $199,000 | – | 24,285 | – | 0.06% | – |
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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% |