ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 180 filers reported holding ENERGY RECOVERY INC in Q3 2023. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,018,080 | +51.8% | 48,000 | +100.0% | 0.01% | +42.9% |
| Q2 2023 | $670,800 | -28.4% | 24,000 | -81.0% | 0.01% | -46.2% |
| Q1 2020 | $937,000 | -24.1% | 126,000 | 0.0% | 0.01% | +18.2% |
| Q4 2019 | $1,234,000 | +5.7% | 126,000 | 0.0% | 0.01% | 0.0% |
| Q3 2019 | $1,167,000 | +942.0% | 126,000 | +494.3% | 0.01% | – |
| Q4 2014 | $112,000 | -86.6% | 21,200 | -91.0% | 0.00% | -100.0% |
| Q3 2014 | $833,000 | +701.0% | 235,194 | +1009.4% | 0.00% | – |
| Q2 2014 | $104,000 | – | 21,200 | – | 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% |