Quarterly Put Option Transactions in Energy Recovery, Inc. (ERII)
This table provides information about the institutional ownership of Energy Recovery, Inc. (ERII). The information is specifically focused on institutions that hold put options of Energy Recovery, Inc..
Puts Purchased
Puts Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q3 2021 | 15,200 | 68,800 | 84,000 | 15,900 | 18,100 | 34,000 | 50,000 | |
| Q4 2021 | — | 10,400 | 0 | 10,400 | -10,400 | |||
| Q1 2022 | — | 0 | 3,800 | 3,800 | -3,800 | |||
| Q2 2022 | — | — | 0 | |||||
| Q3 2022 | — | — | 0 | |||||
| Q4 2022 | 0 | 38,100 | 38,100 | — | 38,100 | |||
| Q1 2023 | 500 | 0 | 500 | — | 500 | |||
| Q2 2023 | — | — | 0 | |||||
| Q3 2023 | 4,000 | 19,100 | 23,100 | — | 23,100 | |||
| Q4 2023 | 1,700 | 0 | 1,700 | — | 1,700 | |||
| Q1 2024 | — | 1,300 | 0 | 1,300 | -1,300 | |||
| Q2 2024 | — | 1,900 | 0 | 1,900 | -1,900 | |||
| Q3 2024 | — | 1,200 | 0 | 1,200 | -1,200 | |||