ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 142 filers reported holding ENERGY RECOVERY INC in Q1 2021. The put-call ratio across all filers is 0.63 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2023 | $829,224 | -11.2% | 44,014 | 0.0% | 0.00% | -33.3% |
| Q3 2023 | $933,537 | -30.8% | 44,014 | -8.8% | 0.01% | -25.0% |
| Q2 2023 | $1,349,174 | +1.4% | 48,271 | -16.4% | 0.01% | 0.0% |
| Q1 2023 | $1,330,976 | +12.5% | 57,743 | 0.0% | 0.01% | 0.0% |
| Q4 2022 | $1,183,154 | -99.9% | 57,743 | -4.3% | 0.01% | -20.0% |
| Q3 2022 | $1,311,792,000 | -4.8% | 60,340 | -15.0% | 0.01% | 0.0% |
| Q2 2022 | $1,378,140,000 | -58.3% | 70,965 | -56.8% | 0.01% | -50.0% |
| Q1 2022 | $3,307,814,000 | -57.0% | 164,241 | -54.1% | 0.02% | -55.6% |
| Q4 2021 | $7,692,689,000 | -8.6% | 357,966 | -19.1% | 0.04% | -18.2% |
| Q3 2021 | $8,418,339,000 | -21.9% | 442,372 | -6.5% | 0.06% | -22.5% |
| Q2 2021 | $10,782,405,000 | +72.0% | 473,120 | +38.4% | 0.07% | +54.3% |
| Q1 2021 | $6,269,988,000 | +73.6% | 341,875 | +29.1% | 0.05% | +43.8% |
| Q4 2020 | $3,611,763,000 | – | 264,792 | – | 0.03% | – |
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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% |