433 hedge funds and large institutions have $17.7B invested in argenx in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 177 increasing their positions, 145 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

2.3% less ownership

Funds ownership: 54.9%52.59% (-2.3%)

6% less funds holding in top 10

Funds holding in top 10: 1817 (-1)

10% less capital invested

Capital invested by funds: $19.7B → $17.7B (-$2.03B)

Holders
433
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$270M
Puts
$120M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Investment Management
126
T. Rowe Price Investment Management
Maryland
$5.24M
Bank of Montreal
127
Bank of Montreal
Ontario, Canada
$5.2M
AssetMark Inc
128
AssetMark Inc
California
$4.98M
TI
129
Trexquant Investment
Connecticut
$4.97M
DekaBank Deutsche Girozentrale
130
DekaBank Deutsche Girozentrale
Germany
$4.68M
NIP
131
Nicholas Investment Partners
California
$4.55M
IAA
132
Independent Advisor Alliance
North Carolina
$4.4M
Amundi
133
Amundi
France
$4.23M
PHS
134
PFM Health Sciences
California
$3.99M
Holocene Advisors
135
Holocene Advisors
New York
$3.78M
ACP
136
Acuta Capital Partners
California
$3.69M
NA
137
Navellier & Associates
Nevada
$3.6M
Bank of New York Mellon
138
Bank of New York Mellon
New York
$3.58M
CUAMC
139
China Universal Asset Management Company
China
$3.49M
Arrowstreet Capital
140
Arrowstreet Capital
Massachusetts
$3.47M
Nomura Asset Management
141
Nomura Asset Management
Japan
$3.4M
Creative Planning
142
Creative Planning
Kansas
$3.36M
FDCDDQ
143
Federation des caisses Desjardins du Quebec
Quebec, Canada
$3.32M
DP
144
Diadema Partners
New Jersey
$3.29M
EGA
145
Eagle Global Advisors
Texas
$3.25M
Skandinaviska Enskilda Banken (SEB)
146
Skandinaviska Enskilda Banken (SEB)
Sweden
$3.18M
MSRPS
147
Maryland State Retirement & Pension System
Maryland
$3.14M
Cetera Investment Advisers
148
Cetera Investment Advisers
Illinois
$3.12M
JPMorgan Chase & Co
149
JPMorgan Chase & Co
New York
$3.09M
HighTower Advisors
150
HighTower Advisors
Illinois
$3.07M