502 hedge funds and large institutions have $25B invested in argenx in 2025 Q4 according to their latest regulatory filings, with 98 funds opening new positions, 173 increasing their positions, 166 reducing their positions, and 52 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 capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

4% more repeat investments, than reductions

Existing positions increased: 173 | Existing positions reduced: 166

0% more funds holding in top 10

Funds holding in top 10: 1414 (0)

1.15% less ownership

Funds ownership: 49.87%48.71% (-1.2%)

Holders
502
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$364M
Puts
$165M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
FTM
101
First Turn Management
California
$19.6M
Natixis Advisors
102
Natixis Advisors
Massachusetts
$18.9M
Qube Research & Technologies (QRT)
103
Qube Research & Technologies (QRT)
United Kingdom
$18.9M
Hudson Bay Capital Management
104
Hudson Bay Capital Management
Connecticut
$18.4M
UBS AM
105
UBS AM
Illinois
$18.1M
HF
106
HRT Financial
New York
$16.6M
SAG
107
Susquehanna Advisors Group
Pennsylvania
$16M
DCM
108
Driehaus Capital Management
Illinois
$14.2M
Bank of New York Mellon
109
Bank of New York Mellon
New York
$13.9M
Bank of Montreal
110
Bank of Montreal
Ontario, Canada
$13.8M
TRCT
111
Tower Research Capital (TRC)
New York
$12.8M
EAM
112
Erste Asset Management
Austria
$12M
Voloridge Investment Management
113
Voloridge Investment Management
Florida
$11.9M
JP Morgan Chase
114
JP Morgan Chase
New York
$11.8M
DA
115
DCF Advisers
Connecticut
$11.5M
Marshall Wace
116
Marshall Wace
United Kingdom
$11.4M
Canada Life
117
Canada Life
Manitoba, Canada
$10.6M
UIM
118
USS Investment Management
United Kingdom
$10.1M
MML Investors Services
119
MML Investors Services
Massachusetts
$10M
Schroder Investment Management Group
120
Schroder Investment Management Group
United Kingdom
$9.68M
CCIA
121
Campbell & Co Investment Adviser
Maryland
$9.4M
Citigroup
122
Citigroup
New York
$9.22M
Mirae Asset Global Investments
123
Mirae Asset Global Investments
South Korea
$9.12M
Thrivent Financial for Lutherans
124
Thrivent Financial for Lutherans
Minnesota
$9.1M
Barclays
125
Barclays
United Kingdom
$8.85M