Alector, Inc. Common Stock (ALEC) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ALEC. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 136 institutions reported holding ALEC, with 91.2 million shares worth $183.4 million in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Tcg Crossover Management | 10,000,000 | $20M | UNCHANGED |
| BlackRock | 7,847,879 | $16M | INCREASED |
| Vanguard | 7,574,172 | $15M | INCREASED |
| Acadian Asset Management | 4,414,345 | $9M | INCREASED |
| Nantahala Capital Management | 4,318,109 | $9M | INCREASED |
Full institutional holdings, insider history, and congressional trades for Alector, Inc. Common Stock on SentiSense.