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argenx

446 hedge funds and large institutions have $19.7B invested in argenx in 2025 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 158 increasing their positions, 149 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

207% more first-time investments, than exits

New positions opened: 83 | Existing positions closed: 27

84% more call options, than puts

Call options by funds: $319M | Put options by funds: $174M

13% more funds holding

Funds holding: 396446 (+50)

6% more repeat investments, than reductions

Existing positions increased: 158 | Existing positions reduced: 149

0% more funds holding in top 10

Funds holding in top 10: 1818 (0)

1.63% less ownership

Funds ownership: 56.53%54.9% (-1.6%)

6% less capital invested

Capital invested by funds: $21B → $19.7B (-$1.26B)

Holders
446
Holders Change
+50
Holders Change %
+12.63%
% of All Funds
5.98%
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.24%
New
83
Increased
158
Reduced
149
Closed
27
Calls
$319M
Puts
$174M
Net Calls
+$145M
Net Calls Change
-$48.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Mirae Asset Global Investments
176
Mirae Asset Global Investments
South Korea
$1.93M -$1.26K -2 -0.1%
OSAM
177
O'Shaughnessy Asset Management
Connecticut
$1.91M +$54.3K +86 +3%
HS
178
HighVista Strategies
Massachusetts
$1.9M -$1.6M -2,542 -44%
SAM
179
Sectoral Asset Management
Quebec, Canada
$1.84M -$206K -327 -10%
OAM
180
Oppenheimer Asset Management
New York
$1.78M -$123K -195 -6%
AIM
181
Aigen Investment Management
New York
$1.73M +$1.85M +2,924 New
NIM
182
NEOS Investment Management
Connecticut
$1.73M -$1.06M -1,676 -36%
TE
183
Tema ETFs
New York
$1.73M -$1.06M -1,676 -36%
FDCDDQ
184
Federation des caisses Desjardins du Quebec
Quebec, Canada
$1.73M +$947K +1,500 +106%
VPIM
185
Vanguard Personalized Indexing Management
California
$1.67M +$25.9K +41 +1%
NFGH
186
Nan Fung Group Holdings
Hong Kong
$1.66M +$1.5M +2,370 +551%
PAP
187
Persistent Asset Partners
Hong Kong
$1.64M +$1.75M +2,766 New
SA
188
Sanctuary Advisors
Indiana
$1.61M +$179K +284 +12%
Calamos Advisors
189
Calamos Advisors
Illinois
$1.56M +$1.67M +2,640 New
AI
190
Atria Investments
North Carolina
$1.55M +$7.57K +12 +0.5%
Barclays
191
Barclays
United Kingdom
$1.51M +$309K +490 +24%
Allianz Asset Management
192
Allianz Asset Management
Germany
$1.51M -$665K -1,054 -29%
Principal Financial Group
193
Principal Financial Group
Iowa
$1.48M
QCG
194
Quadrant Capital Group
Ohio
$1.42M +$805K +1,275 +114%
CCIA
195
Campbell & Co Investment Adviser
Maryland
$1.38M +$1.47M +2,328 New
Pathstone Holdings
196
Pathstone Holdings
New Jersey
$1.38M -$51.8K -82 -3%
CIS
197
Custom Index Systems
New York
$1.27M +$1.36M +2,148 New
William Blair & Company
198
William Blair & Company
Illinois
$1.23M +$735K +1,165 +127%
Osaic Holdings
199
Osaic Holdings
Arizona
$1.22M +$123K +195 +10%
SP
200
SIH Partners
Delaware
$1.19M +$1.27M +2,006 New