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Annexon

217 hedge funds and large institutions have $864M invested in Annexon in 2026 Q1 according to their latest regulatory filings, with 66 funds opening new positions, 86 increasing their positions, 50 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

26% more capital invested

Capital invested by funds: $687M → $864M (+$176M)

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

15.9% more ownership

Funds ownership: 114.45%130.36% (+16%)

Holders
217
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$6.69M
Puts
$875K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Los Angeles Capital Management
101
Los Angeles Capital Management
California
$344K
Janus Henderson Group
102
Janus Henderson Group
United Kingdom
$328K
BHCM
103
Brevan Howard Capital Management
Jersey
$324K
AC
104
AXQ Capital
New Jersey
$322K
CUAMC
105
China Universal Asset Management Company
China
$320K
SO
106
STRS Ohio
Ohio
$307K
ACM
107
ADAR1 Capital Management
Texas
$305K
VIA
108
Virtus Investment Advisers
Connecticut
$304K
DS
109
DRW Securities
Illinois
$302K
VGA
110
Vanguard Global Advisers
Pennsylvania
$299K
Zurich Cantonal Bank
111
Zurich Cantonal Bank
Switzerland
$298K
VA
112
Verdad Advisers
Massachusetts
$295K
Mariner
113
Mariner
Kansas
$295K
EC
114
EntryPoint Capital
New York
$285K
BC
115
BIT Capital
Germany
$277K
State of Wisconsin Investment Board
116
State of Wisconsin Investment Board
Wisconsin
$276K
Jane Street
117
Jane Street
New York
$261K
Creative Planning
118
Creative Planning
Kansas
$254K
AFG
119
Allegheny Financial Group
Pennsylvania
$238K
Canada Pension Plan Investment Board
120
Canada Pension Plan Investment Board
Ontario, Canada
$226K
State of New Jersey Common Pension Fund D
121
State of New Jersey Common Pension Fund D
New Jersey
$226K
Carson Wealth (CWM LLC)
122
Carson Wealth (CWM LLC)
Nebraska
$220K
PFSRSONJ
123
Police & Firemen's Retirement System of New Jersey
New Jersey
$200K
Fifth Third Bancorp
124
Fifth Third Bancorp
Ohio
$196K
VIA
125
Vanguard Investments Australia
Australia
$194K