Quarterly Call Option Transactions in Alector, Inc. (ALEC)
This table provides information about the institutional ownership of Alector, Inc. (ALEC) during . The information is specifically focused on institutions that hold call options of Alector, Inc..
Calls Purchased
Calls Sold
| Quarter | Buy | Sell | Net Activity | |||||
|---|---|---|---|---|---|---|---|---|
| New Holding | Increment | Total Shares Bought | Closed Position | Reduction | Total Shares Sold | |||
| Q3 2021 | 56,900 | 0 | 56,900 | 12,600 | 22,300 | 34,900 | 22,000 | |
| Q4 2021 | 500 | 0 | 500 | 109,700 | 24,500 | 134,200 | -133,700 | |
| Q1 2022 | — | 14,000 | 0 | 14,000 | -14,000 | |||
| Q2 2022 | 0 | 100 | 100 | 900 | 0 | 900 | -800 | |
| Q3 2022 | 130,400 | 0 | 130,400 | 8,900 | 0 | 8,900 | 121,500 | |
| Q4 2022 | — | 19,100 | 0 | 19,100 | -19,100 | |||
| Q1 2023 | — | 320,800 | 0 | 320,800 | -320,800 | |||
| Q2 2023 | — | 7,600 | 0 | 7,600 | -7,600 | |||
| Q3 2023 | 22,200 | 0 | 22,200 | 6,800 | 0 | 6,800 | 15,400 | |
| Q4 2023 | 7,900 | 0 | 7,900 | 9,500 | 0 | 9,500 | -1,600 | |
| Q1 2024 | 0 | 44,400 | 44,400 | 30,300 | 0 | 30,300 | 14,100 | |
| Q2 2024 | 0 | 4,200 | 4,200 | 2,500 | 0 | 2,500 | 1,700 | |
| Q3 2024 | 8,300 | 80,800 | 89,100 | — | 89,100 | |||