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Annexon

128 hedge funds and large institutions have $239M invested in Annexon in 2025 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 50 increasing their positions, 34 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

less funds holding

Funds holding:

49% less first-time investments, than exits

New positions opened: 19 | Existing positions closed: 37

67% less call options, than puts

Call options by funds: $50K | Put options by funds: $153K

Holders
128
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$50K
Puts
$153K
Net Calls
Net Calls Change

Top Buyers

1 +$5.84M
2 +$5.61M
3 +$1.89M
4
SCM
Sio Capital Management
New York
+$1.68M
5
Bank of America
Bank of America
North Carolina
+$994K

Top Sellers

1 -$4.37M
2 -$3.82M
3 -$3.31M
4
WP
Woodline Partners
California
-$2.55M
5
BlackRock
BlackRock
New York
-$1.35M
Name Holding Trade Value Shares
Change
Change in
Stake
Citigroup
76
Citigroup
New York
$90.7K
Lido Advisors
77
Lido Advisors
California
$84K
CFG
78
Citizens Financial Group
Rhode Island
$84K
VIA
79
Virtus Investment Advisers
Connecticut
$83.3K
New York State Common Retirement Fund
80
New York State Common Retirement Fund
New York
$82.8K
VF
81
Virtu Financial
New York
$73K
HSBC Holdings
82
HSBC Holdings
United Kingdom
$72.3K
Marshall Wace
83
Marshall Wace
United Kingdom
$72K
FA
84
Forefront Analytics
Pennsylvania
$66.2K
VOYA Investment Management
85
VOYA Investment Management
Georgia
$65.9K
Comerica Bank
86
Comerica Bank
Texas
$61.5K
ProShare Advisors
87
ProShare Advisors
Maryland
$57K
CUAMC
88
China Universal Asset Management Company
China
$52.9K
PFSRSONJ
89
Police & Firemen's Retirement System of New Jersey
New Jersey
$49.4K
QC
90
Quadrature Capital
United Kingdom
$49.1K
DCM
91
Driehaus Capital Management
Illinois
$48.6K
Los Angeles Capital Management
92
Los Angeles Capital Management
California
$48.5K
Carson Wealth (CWM LLC)
93
Carson Wealth (CWM LLC)
Nebraska
$43K
CBA
94
Coastal Bridge Advisors
Connecticut
$40.8K
State Board of Administration of Florida Retirement System
95
State Board of Administration of Florida Retirement System
Florida
$37.5K
TRCT
96
Tower Research Capital (TRC)
New York
$37.3K
EGM
97
Engineers Gate Manager
New York
$32.2K
Citadel Advisors
98
Citadel Advisors
Florida
$31.8K
VPIM
99
Vanguard Personalized Indexing Management
California
$29.5K
4WM
100
49 Wealth Management
Texas
$29K