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Annexon
ANNX

Overview Fund Activity

127 hedge funds and large institutions have $238M invested in Annexon in 2025 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 49 increasing their positions, 34 reducing their positions, and 36 closing their positions.

Holders
127
Holders Change
-19
Holders Change %
-13.01%
% of All Funds
1.7%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
19
Increased
49
Reduced
34
Closed
36
Calls
$50K
Puts
$88K
Net Calls
-$38K
Net Calls Change
-$2K

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$37.7M
2
Millennium Management
2
Millennium Management
New York
$6.03M
3
Goldman Sachs
3
Goldman Sachs
New York
$3.91M
4
SCM
4
Sio Capital Management
New York
$9.83M
5
Bank of America
5
Bank of America
North Carolina
$3.49M

Top Sellers

1
Ameriprise
1
Ameriprise
Minnesota
$5.2M
2
LGM
2
Logos Global Management
California
$5.78M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$127K
4
WP
4
Woodline Partners
California
$2.53M
5
BlackRock
5
BlackRock
New York
$19.1M
Name Market Value Shares Shares
Change 		Shares
Change %
AF
126
Allworth Financial
California
$108 45 +45 New
SS
127
SBI Securities
Japan
$72 30 +5 +20%
FFA
128
Farther Finance Advisors
California
$2 1 – –
Wellington Management Group
129
Wellington Management Group
Massachusetts
– – -356,480 Closed
SC
130
Syon Capital
California
– – -144,485 Closed
Swiss National Bank
131
Swiss National Bank
Switzerland
– – -135,000 Closed
Squarepoint
132
Squarepoint
New York
– – -132,997 Closed
Balyasny Asset Management
133
Balyasny Asset Management
Illinois
– – -96,752 Closed
State of Wisconsin Investment Board
134
State of Wisconsin Investment Board
Wisconsin
– – -81,636 Closed
HF
135
HRT Financial
New York
– – -78,100 Closed
California State Teachers Retirement System (CalSTRS)
136
California State Teachers Retirement System (CalSTRS)
California
– – -66,375 Closed
YIH
137
Y-Intercept (HK)
Hong Kong
– – -65,918 Closed
SG Americas Securities
138
SG Americas Securities
New York
– – -63,161 Closed
JG
139
Jain Global
New York
– – -61,276 Closed
XT
140
XTX Topco
Cayman Islands
– – -58,130 Closed
EC
141
EntryPoint Capital
New York
– – -53,271 Closed
Franklin Resources
142
Franklin Resources
California
– – -49,123 Closed
CF
143
Corebridge Financial
Texas
– – -47,838 Closed
Point72 Asset Management
144
Point72 Asset Management
Connecticut
– – -45,714 Closed
SFI
145
Susquehanna Fundamental Investments
Pennsylvania
– – -41,011 Closed
SC
146
Shay Capital
New York
– – -35,162 Closed
Janus Henderson Group
147
Janus Henderson Group
United Kingdom
– – -34,500 Closed
Zurich Cantonal Bank
148
Zurich Cantonal Bank
Switzerland
– – -34,026 Closed
AGM
149
Alpine Global Management
New York
– – -25,145 Closed
VRS
150
Virginia Retirement Systems
Virginia
– – -20,600 Closed
3 4 5
6
7