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
GC
176
Guggenheim Capital
Illinois
$1.73M
JG
177
Jain Global
New York
$1.72M
Russell Investments Group
178
Russell Investments Group
United Kingdom
$1.69M
Allianz Asset Management
179
Allianz Asset Management
Germany
$1.67M
VPIM
180
Vanguard Personalized Indexing Management
California
$1.66M
VMPIC
181
Varma Mutual Pension Insurance Co
Finland
$1.65M
Osaic Holdings
182
Osaic Holdings
Arizona
$1.64M
QCG
183
Quadrant Capital Group
Ohio
$1.55M
NFGH
184
Nan Fung Group Holdings
Hong Kong
$1.54M
OSAM
185
O'Shaughnessy Asset Management
Connecticut
$1.52M
NIM
186
NEOS Investment Management
Connecticut
$1.52M
TE
187
Tema ETFs
New York
$1.52M
AI
188
Atria Investments
North Carolina
$1.49M
Mackenzie Financial
189
Mackenzie Financial
Ontario, Canada
$1.46M
Calamos Advisors
190
Calamos Advisors
Illinois
$1.46M
Principal Financial Group
191
Principal Financial Group
Iowa
$1.38M
SGH
192
Sivik Global Healthcare
Connecticut
$1.38M
Barclays
193
Barclays
United Kingdom
$1.37M
PAM
194
Panagora Asset Management
Massachusetts
$1.34M
HS
195
HighVista Strategies
Massachusetts
$1.33M
Pathstone Holdings
196
Pathstone Holdings
New Jersey
$1.29M
William Blair & Company
197
William Blair & Company
Illinois
$1.27M
CCM
198
Cinctive Capital Management
New York
$1.27M
XC
199
XY Capital
Hong Kong
$1.25M
KCM
200
Kennedy Capital Management
Missouri
$1.24M