Who Owns ALECTOR INC (ALEC)? -- Institutional Holders (2026-06-30)
147 institutions reported holding $186.9M of ALECTOR INC (ALEC) in SEC 13F filings for 2026-06-30. Largest institutional holders: TCG Crossover Management, LLC ($20.1M), BlackRock, Inc. ($15.8M), VANGUARD GROUP INC ($15.1M), ACADIAN ASSET MANAGEMENT LLC ($8.9M), Nantahala Capital Management, LLC ($8.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | TCG Crossover Management, LLC | $20.1M | 10.0M | Hold |
| 2 | BlackRock, Inc. | $15.8M | 7.8M | Added |
| 3 | VANGUARD GROUP INC | $15.1M | 7.5M | Added |
| 4 | ACADIAN ASSET MANAGEMENT LLC | $8.9M | 4.4M | Added |
| 5 | Nantahala Capital Management, LLC | $8.7M | 4.3M | Added |
| 6 | Kynam Capital Management, LP | $7.7M | 3.8M | Added |
| 7 | Balyasny Asset Management L.P. | $7.5M | 3.8M | Added |
| 8 | Merck & Co., Inc. | $7.1M | 3.5M | Hold |
| 9 | 683 Capital Management, LLC | $6.4M | 3.2M | Hold |
| 10 | D. E. Shaw & Co., Inc. | $5.9M | 3.0M | Trimmed |
| 11 | ADAR1 Capital Management, LLC | $5.8M | 2.9M | Added |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $4.9M | 2.5M | Added |
| 13 | Spruce Street Capital LP | $4.2M | 2.1M | Hold |
| 14 | MILLENNIUM MANAGEMENT LLC | $4.0M | 2.0M | Added |
| 15 | Ikarian Capital, LLC | $4.0M | 2.0M | Trimmed |
| 16 | STATE STREET CORP | $3.8M | 1.9M | Added |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | $3.5M | 1.8M | Trimmed |
| 18 | MEDICI CAPITAL LLC | $3.3M | 1.7M | Hold |
| 19 | Affinity Asset Advisors, LLC | $3.0M | 1.5M | Added |
| 20 | Eversept Partners, LP | $2.9M | 1.4M | Added |
| 21 | FMR LLC | $2.8M | 1.4M | Trimmed |
| 22 | AQR CAPITAL MANAGEMENT LLC | $2.6M | 1.3M | Added |
| 23 | Euclidean Capital LLC | $2.6M | 1.3M | Hold |
| 24 | MACKENZIE FINANCIAL CORP | $2.2M | 1.1M | Added |
| 25 | DEUTSCHE BANK AG\ | $2.2M | 1.1M | Added |
Source: SEC Form 13F filings · as of 2026-06-30