ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 122 filers reported holding ENERGY RECOVERY INC in Q4 2017. The put-call ratio across all filers is 0.55 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $560 | -99.9% | 27,344 | +12.3% | 0.00% | 0.0% |
| Q3 2022 | $529,000 | +171.3% | 24,344 | +142.6% | 0.00% | +200.0% |
| Q2 2022 | $195,000 | -17.0% | 10,034 | -13.9% | 0.00% | 0.0% |
| Q1 2022 | $235,000 | -67.0% | 11,648 | -64.8% | 0.00% | -66.7% |
| Q4 2021 | $712,000 | +0.4% | 33,112 | -11.2% | 0.00% | -25.0% |
| Q3 2021 | $709,000 | +38.2% | 37,268 | +65.4% | 0.00% | +100.0% |
| Q2 2021 | $513,000 | +263.8% | 22,533 | +18.6% | 0.00% | +100.0% |
| Q1 2020 | $141,000 | -50.7% | 19,000 | -30.7% | 0.00% | -66.7% |
| Q2 2019 | $286,000 | +63.4% | 27,417 | +36.7% | 0.00% | +50.0% |
| Q1 2019 | $175,000 | +24.1% | 20,057 | -4.0% | 0.00% | 0.0% |
| Q4 2018 | $141,000 | -28.4% | 20,895 | -4.8% | 0.00% | 0.0% |
| Q3 2018 | $197,000 | +6.5% | 21,959 | -4.0% | 0.00% | 0.0% |
| Q2 2018 | $185,000 | -2.6% | 22,865 | -0.9% | 0.00% | 0.0% |
| Q1 2018 | $190,000 | +5.6% | 23,078 | +12.3% | 0.00% | 0.0% |
| Q4 2017 | $180,000 | +93.5% | 20,550 | +73.7% | 0.00% | +100.0% |
| Q3 2017 | $93,000 | -45.3% | 11,830 | -42.4% | 0.00% | -50.0% |
| Q2 2017 | $170,000 | – | 20,550 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trigran Investments, Inc. | 3,149,018 | $32,813,000 | 5.47% |
| 683 Capital Management, LLC | 1,100,000 | $11,462,000 | 1.04% |
| Avenir Corp | 805,900 | $8,397,000 | 0.88% |
| Alambic Investment Management, L.P. | 101,111 | $1,054,000 | 0.65% |
| ELKHORN PARTNERS LIMITED PARTNERSHIP | 81,581 | $850,000 | 0.51% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 293,598 | $3,059,000 | 0.42% |
| CADENCE CAPITAL MANAGEMENT LLC | 357,196 | $3,722,000 | 0.37% |
| Cortina Asset Management, LLC | 538,561 | $5,612,000 | 0.35% |
| Community Capital Management, LLC | 23,036 | $240,000 | 0.28% |
| Yaupon Capital Management LP | 61,542 | $641,000 | 0.18% |