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argenx
ARGX

Overview Fund Activity

428 hedge funds and large institutions have $17.7B invested in argenx in 2025 Q2 according to their latest regulatory filings, with 52 funds opening new positions, 176 increasing their positions, 144 reducing their positions, and 60 closing their positions.

Holders
428
Holders Change
-14
Holders Change %
-3.17%
% of All Funds
5.75%
Holding in Top 10
17
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-5.56%
% of All Funds
0.23%
New
52
Increased
176
Reduced
144
Closed
60
Calls
$236M
Puts
$100M
Net Calls
+$136M
Net Calls Change
-$9.58M

Top Buyers

1
Janus Henderson Group
1
Janus Henderson Group
United Kingdom
$1.41B
2
Citadel Advisors
2
Citadel Advisors
Florida
$477M
3
Millennium Management
3
Millennium Management
New York
$237M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$164M
5
Franklin Resources
5
Franklin Resources
California
$154M

Top Sellers

1
BlackRock
1
BlackRock
New York
$303M
2
Morgan Stanley
2
Morgan Stanley
New York
$237M
3
Artisan Partners
3
Artisan Partners
Wisconsin
$1.3B
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$2.75B
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$2.99B
Name Market Value Shares Shares
Change 		Shares
Change %
Royal Bank of Canada
76
Royal Bank of Canada
Ontario, Canada
$22.8M 41,314 +3,008 +8%
WP
77
Woodline Partners
California
$22.2M 40,271 -49,525 -55%
Handelsbanken Fonder
78
Handelsbanken Fonder
Sweden
$21.9M 39,753 +1,703 +4%
RPI
79
Railway Pension Investments
United Kingdom
$21.8M 39,500 – –
Voloridge Investment Management
80
Voloridge Investment Management
Florida
$21.7M 39,300 -36,345 -48%
BBA
81
Baker Bros. Advisors
New York
$20.8M 37,760 -40,000 -51%
Verition Fund Management
82
Verition Fund Management
Connecticut
$20.8M 37,688 -2,241 -6%
Dimensional Fund Advisors
83
Dimensional Fund Advisors
Texas
$19.8M 35,993 +3,752 +12%
Squarepoint
84
Squarepoint
New York
$17.3M 31,296 +875 +3%
Axa
85
Axa
France
$17.2M 31,133 +1,650 +6%
PSC
86
Patient Square Capital
California
$16M 29,000 +29,000 New
Geode Capital Management
87
Geode Capital Management
Massachusetts
$14.5M 26,257 -326 -1%
UBS AM
88
UBS AM
Illinois
$13.5M 24,419 +23,849 +4,184%
HSBC Holdings
89
HSBC Holdings
United Kingdom
$12.4M 22,580 +45 +0.2%
CPC
90
Cookson Peirce & Co
Pennsylvania
$12.3M 22,239 -1,538 -6%
LPL Financial
91
LPL Financial
California
$12.2M 22,054 +1,174 +6%
PM
92
Prosight Management
Texas
$12.1M 22,000 +8,300 +61%
EGM
93
Engineers Gate Manager
New York
$11.6M 21,104 +3,765 +22%
LP
94
LMR Partners
United Kingdom
$11.5M 20,800 +7,670 +58%
DCM
95
Driehaus Capital Management
Illinois
$11.4M 20,744 -28,327 -58%
QC
96
Quadrature Capital
United Kingdom
$11.3M 20,501 +20,501 New
Deutsche Bank
97
Deutsche Bank
Germany
$11M 19,930 -76,984 -79%
TRCT
98
Tower Research Capital (TRC)
New York
$10.7M 19,339 +13,935 +258%
Natixis Advisors
99
Natixis Advisors
Massachusetts
$10.5M 19,070 -2,166 -10%
JF
100
Jump Financial
Illinois
$9.85M 17,869 -131 -0.7%
2 3
4
5 6