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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 %
Walleye Capital
26
Walleye Capital
New York
$1.55M 802,913 +146,581 +22%
SCM
27
Sirios Capital Management
Massachusetts
$1.48M 768,686 +768,686 New
Qube Research & Technologies (QRT)
28
Qube Research & Technologies (QRT)
United Kingdom
$1.42M 737,268 +275,896 +60%
Charles Schwab
29
Charles Schwab
California
$1.4M 725,752 -18,043 -2%
Morgan Stanley
30
Morgan Stanley
New York
$1.35M 701,356 +56,679 +9%
DM
31
Deerfield Management
New York
$1.13M 583,913 – –
Deutsche Bank
32
Deutsche Bank
Germany
$1.04M 537,294 +791 +0.1%
T. Rowe Price Associates
33
T. Rowe Price Associates
Maryland
$1.01M 524,741 -579,644 -52%
BOTOTLSJU
34
Board of Trustees of The Leland Stanford Junior University
California
$931K 482,550 – –
HWAM
35
Hennion & Walsh Asset Management
New Jersey
$922K 477,567 +47,983 +11%
UOC
36
UBS O'Connor
Illinois
$901K 466,819 +147,935 +46%
RPAM
37
Rhenman & Partners Asset Management
Sweden
$888K 460,000 -82,500 -15%
Wellington Management Group
38
Wellington Management Group
Massachusetts
$688K 356,480 +88,314 +33%
PHP
39
Parkman Healthcare Partners
Connecticut
$678K 351,436 +20,587 +6%
Wells Fargo
40
Wells Fargo
California
$671K 347,892 +112,137 +48%
NL
41
Nuveen LLC
North Carolina
$670K 347,032 +347,032 New
Bank of New York Mellon
42
Bank of New York Mellon
New York
$557K 288,698 +58,152 +25%
UBS Group
43
UBS Group
Switzerland
$516K 267,348 -61,373 -19%
JSSH
44
J. Safra Sarasin Holding
$491K 254,538 +98,794 +63%
Acadian Asset Management
45
Acadian Asset Management
Massachusetts
$393K 203,990 +48,345 +31%
Susquehanna International Group
46
Susquehanna International Group
Pennsylvania
$385K 199,225 +136,384 +217%
American Century Companies
47
American Century Companies
Missouri
$383K 198,194 +19,683 +11%
ECM
48
ExodusPoint Capital Management
New York
$354K 183,287 +99,850 +120%
Millennium Management
49
Millennium Management
New York
$338K 175,303 +19,627 +13%
Barclays
50
Barclays
United Kingdom
$318K 165,132 -41,859 -20%
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