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Annexon
ANNX

Overview Fund Activity

146 hedge funds and large institutions have $192M invested in Annexon in 2025 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 55 increasing their positions, 40 reducing their positions, and 29 closing their positions.

Holders
146
Holders Change
-6
Holders Change %
-3.95%
% of All Funds
1.98%
Holding in Top 10
–
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-100%
% of All Funds
–
New
25
Increased
55
Reduced
40
Closed
29
Calls
$127K
Puts
$163K
Net Calls
-$36K
Net Calls Change
-$4K

Top Buyers

1
Ameriprise
1
Ameriprise
Minnesota
$7.69M
2
LGM
2
Logos Global Management
California
$7.72M
3
TAM
3
TFG Asset Management
Cayman Islands
$5.11M
4
SCM
4
Sio Capital Management
New York
$6.56M
5
Bank of America
5
Bank of America
North Carolina
$2M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$88.2K
2
EAM
2
Eventide Asset Management
Massachusetts
$0
3
State Street
3
State Street
Massachusetts
$3.94M
4
RAM
4
Readystate Asset Management
Illinois
$0
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$25.6M
Name Market Value Shares Shares
Change 		Shares
Change %
AGP
151
Artia Global Partners
Florida
– – -172,226 Closed
EAM
152
Exome Asset Management
New York
– – -144,830 Closed
Two Sigma Investments
153
Two Sigma Investments
New York
– – -137,183 Closed
Osaic Holdings
154
Osaic Holdings
Arizona
– – -80,475 Closed
PCM
155
Prelude Capital Management
New York
– – -43,363 Closed
PA
156
Profund Advisors
Maryland
– – -42,273 Closed
Marshall Wace
157
Marshall Wace
United Kingdom
– – -38,845 Closed
SPA
158
Sherbrooke Park Advisers
New York
– – -30,134 Closed
Simplex Trading
159
Simplex Trading
Illinois
– – -29,433 Closed
Two Sigma Advisers
160
Two Sigma Advisers
New York
– – -17,400 Closed
CBA
161
Coastal Bridge Advisors
Connecticut
– – -17,000 Closed
VEA
162
Virtus ETF Advisers
New York
– – -15,763 Closed
EFM
163
E Fund Management
China
– – -15,447 Closed
Creative Planning
164
Creative Planning
Kansas
– – -14,673 Closed
CC
165
Corton Capital
Ontario, Canada
– – -13,741 Closed
OAC
166
OMERS Administration Corp
Ontario, Canada
– – -12,900 Closed
SEI Investments
167
SEI Investments
Pennsylvania
– – -10,319 Closed
SIM
168
Sandia Investment Management
Massachusetts
– – -10,000 Closed
Federated Hermes
169
Federated Hermes
Pennsylvania
– – -6,679 Closed
Russell Investments Group
170
Russell Investments Group
United Kingdom
– – -988 Closed
WSFS
171
Wilmington Savings Fund Society
Delaware
– – -403 Closed
CIAM
172
Caitong International Asset Management
Hong Kong
– – -211 Closed
S
173
SignatureFD
Georgia
– – -151 Closed
PWA
174
Physician Wealth Advisors
Utah
– – -133 Closed
AAP
175
Arax Advisory Partners
Colorado
– – -133 Closed
4 5 6
7
8