Annexon, Inc. - Common Stock, par value $0.001 (ANNX)

Q3 2025 13F Holders as of 9/30/2025

Type / Class
Equity / Common Stock, par value $0.001
Shares outstanding
145M
Number of holders
142
Total 13F shares, excl. options
101M
Shares change
+1.94M
Total reported value, excl. options
$309M
Value change
+$11.2M
Put/Call ratio
0.37
Number of buys
80
Number of sells
-52
Price
$3.05

Significant Holders of Annexon, Inc. - Common Stock, par value $0.001 (ANNX) as of Q3 2025

163 filings reported holding ANNX - Annexon, Inc. - Common Stock, par value $0.001 as of Q3 2025.
Annexon, Inc. - Common Stock, par value $0.001 (ANNX) has 142 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 101M shares of 145M outstanding shares and own 69.9% of the company stock.
Largest 10 shareholders include FMR LLC (11.1M shares), BlackRock, Inc. (7.9M shares), BVF INC/IL (7M shares), Redmile Group, LLC (6.3M shares), VANGUARD GROUP INC (5.84M shares), Bain Capital Life Sciences Investors, LLC (5.25M shares), Bellevue Group AG (5.16M shares), MORGAN STANLEY (3.03M shares), MILLENNIUM MANAGEMENT LLC (2.82M shares), and Woodline Partners LP (2.64M shares).
This table shows the top 142 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.