Alector, Inc. · NASDAQ:ALEC
Alector, Inc. shareholders
As of Jun 30, 2026, 137 institutions reported holding Alector, Inc., 85.8% of its shares. Largest: TCG Crossover Management, LLC, Nantahala Capital Management, LLC and BlackRock. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Alector, Inc. | Change | Filed |
|---|---|---|---|---|
| TCG Crossover Management, LLC | 10M | 9.0% | no change | Aug 14, 2026 |
| Nantahala Capital Management, LLC | 8.64M | 7.7% | +5.82M | Aug 19, 2026 |
| BlackRock | 7.85M | 7.0% | +107K | Aug 7, 2026 |
| Vanguard | 7.57M | 6.8% | +652K | Aug 13, 2026 |
| Acadian Asset Management LLC | 4.41M | 4.0% | +376K | Aug 13, 2026 |
| Kynam Capital Management, LP | 3.81M | 3.4% | +1.81M | Aug 14, 2026 |
| Merck & Co., Inc. | 3.55M | 3.2% | no change | Aug 7, 2026 |
| Balyasny Asset Management L.P. | 3.25M | 2.9% | +312K | Aug 14, 2026 |
| 683 Capital Management, LLC | 3.2M | 2.9% | no change | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | 2.96M | 2.7% | −373K | Aug 14, 2026 |