Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
108,695,652
Number of holders
145
Total 13F shares, excl. options
74,738,323
Shares change
+4,248,032
Total reported value, excl. options
$221,226,506
Value change
+$17,843,388
Put/Call ratio
36.29%
Number of buys
69
Number of sells
-50
Price
$2.96

Significant Holders of Alector, Inc. - Common Stock, par value $0.0001 per share (ALEC) as of Q3 2025

164 filings reported holding ALEC - Alector, Inc. - Common Stock, par value $0.0001 per share as of Q3 2025.
Alector, Inc. - Common Stock, par value $0.0001 per share (ALEC) has 145 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 74,738,323 shares of 108,695,652 outstanding shares and own 68.76% of the company stock.
Largest 10 shareholders include FMR LLC (15,181,849 shares), BlackRock, Inc. (7,197,973 shares), RTW INVESTMENTS, LP (6,990,806 shares), VANGUARD GROUP INC (6,034,659 shares), Merck & Co., Inc. (3,545,719 shares), ACADIAN ASSET MANAGEMENT LLC (2,372,985 shares), PRICE T ROWE ASSOCIATES INC /MD/ (2,185,032 shares), GEODE CAPITAL MANAGEMENT, LLC (1,861,258 shares), STATE STREET CORP (1,734,679 shares), and Eversept Partners, LP (1,488,725 shares).
This table shows the top 145 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.