Alector shares owned by Tower Research Capital
Quarter-by-quarter ownership of Alector (ALEC) shares owned by Tower Research Capital
from 13F filings
Historical chart of Tower Research Capital investment in Alector
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Quarterly reported holdings in Alector by Tower Research Capital
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $7.4k | 2.5k | 2.96 |
| 2025-06-30 | $19k | 13k | 1.40 |
| 2025-03-31 | $28k | 23k | 1.23 |
| 2024-12-31 | $28k | 15k | 1.89 |
| 2024-09-30 | $40k | 8.6k | 4.66 |
| 2024-06-30 | $84k | 18k | 4.54 |
| 2024-03-31 | $5.3k | 878 | 6.02 |
| 2023-09-30 | $7.3k | 1.1k | 6.46 |
| 2023-06-30 | $25k | 4.2k | 6.01 |
| 2023-03-31 | $28k | 4.6k | 6.13 |
| 2022-12-31 | $0 | 1.0k | 0.00 |
| 2022-09-30 | $225k | 24k | 9.42 |
| 2022-06-30 | $106k | 11k | 10.13 |
| 2022-03-31 | $240k | 17k | 14.26 |
| 2021-12-31 | $159k | 7.9k | 20.00 |
| 2021-09-30 | $241k | 11k | 22.59 |
| 2021-06-30 | $176k | 8.4k | 20.91 |
| 2021-03-31 | $39k | 2.1k | 18.35 |
| 2020-12-31 | $167k | 11k | 16.00 |
| 2020-09-30 | $54k | 5.1k | 10.52 |
| 2020-06-30 | $197k | 8.1k | 24.39 |
| 2019-12-31 | $5.0k | 300 | 16.67 |
| 2019-06-30 | $2.0k | 100 | 20.00 |
| 2019-03-31 | $52k | 2.8k | 18.70 |