Stocktoria
Alector, Inc. ALEC
Alector, Inc. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 9,101,437 | $41.3M | 8.25% |
| D. E. Shaw & Co., Inc. | 3,332,835 | $7.2M | 3.02% |
| MILLENNIUM MANAGEMENT LLC | 1,979,226 | $4.3M | 1.79% |
| RENAISSANCE TECHNOLOGIES LLC | 1,287,691 | $2.8M | 1.17% |
| TWO SIGMA INVESTMENTS, LP | 1,279,306 | $2.8M | 1.16% |
| AQR CAPITAL MANAGEMENT LLC | 711,334 | $1.5M | 0.64% |
| CITADEL ADVISORS LLC | 109,245 | $234,877 | 0.1% |
| Point72 Asset Management, L.P. | 80,091 | $172,196 | 0.07% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.