Quarterly Call Option Transactions in Energy Recovery, Inc. (ERII)
This table provides information about the institutional ownership of Energy Recovery, Inc. (ERII) during . The information is specifically focused on institutions that hold call options of Energy Recovery, Inc..
Calls Purchased
Calls Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q3 2021 | 285,400 | 166,013 | 451,413 | 26,400 | 0 | 26,400 | 425,013 | |
| Q4 2021 | — | 74,800 | 0 | 74,800 | -74,800 | |||
| Q1 2022 | — | 106,300 | 109,700 | 216,000 | -216,000 | |||
| Q2 2022 | 0 | 66,600 | 66,600 | 0 | 22,100 | 22,100 | 44,500 | |
| Q3 2022 | 33,400 | 211,200 | 244,600 | — | 244,600 | |||
| Q4 2022 | 0 | 56,600 | 56,600 | 76,100 | 0 | 76,100 | -19,500 | |
| Q1 2023 | — | 32,900 | 0 | 32,900 | -32,900 | |||
| Q2 2023 | 10,200 | 0 | 10,200 | 13,600 | 0 | 13,600 | -3,400 | |
| Q3 2023 | 18,000 | 11,000 | 29,000 | 4,100 | 0 | 4,100 | 24,900 | |
| Q4 2023 | 26,700 | 0 | 26,700 | — | 26,700 | |||
| Q1 2024 | — | 16,400 | 0 | 16,400 | -16,400 | |||
| Q2 2024 | 2,400 | 0 | 2,400 | — | 2,400 | |||
| Q3 2024 | 8,000 | 12,400 | 20,400 | — | 20,400 | |||