Alector, Inc. - Common Stock, $0.0001 par value (ALEC)

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, $0.0001 par value
Shares outstanding
110,998,986
Total 13F shares
84,297,388
Share change
+7,927,108
Total reported value
$131,464,280
Put/Call ratio
65%
Price per share
$1.56
Number of holders
127
Value change
-$407,441
Number of buys
60
Number of sells
78

Institutional Holders of Alector, Inc. - Common Stock, $0.0001 par value (ALEC) as of Q4 2025

As of 31 Dec 2025, Alector, Inc. - Common Stock, $0.0001 par value (ALEC) was held by 127 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 84,297,388 shares. The largest 10 holders included TCG Crossover Management, LLC, BlackRock, Inc., VANGUARD GROUP INC, Foresite Capital Management IV, LLC, Merck & Co., Inc., ACADIAN ASSET MANAGEMENT LLC, 683 Capital Management, LLC, Balyasny Asset Management L.P., D. E. Shaw & Co., Inc., and FMR LLC. This page lists 127 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
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.