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 60 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
433
Holders Change
-9
Holders Change %
-2.04%
% of All Funds
5.81%
Holding in Top 10
17
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-5.56%
% of All Funds
0.23%
New
54
Increased
177
Reduced
145
Closed
60
Calls
$270M
Puts
$120M
Net Calls
+$151M
Net Calls Change
+$5.36M
Name Holding Trade Value Shares
Change
Shares
Change %
UOC
201
UBS O'Connor
Illinois
$1.21M +$1.21M +2,191 New
WSFS
202
Wilmington Savings Fund Society
Delaware
$1.16M +$99.8K +181 +9%
PAS
203
Park Avenue Securities
New York
$1.07M +$72.8K +132 +7%
Sumitomo Mitsui Trust Group
204
Sumitomo Mitsui Trust Group
Japan
$1.07M +$227K +412 +27%
SCA
205
Snowden Capital Advisors
New York
$1.05M +$30.9K +56 +3%
Kovitz Investment Group Partners
206
Kovitz Investment Group Partners
Illinois
$1.03M +$288K +523 +39%
PAMP
207
Polar Asset Management Partners
Ontario, Canada
$1.02M -$1.97M -3,578 -66%
Alyeska Investment Group
208
Alyeska Investment Group
Illinois
$1.01M +$1.01M +1,836 New
SFA
209
Sequoia Financial Advisors
Ohio
$1.01M +$2.21K +4 +0.2%
PNC Financial Services Group
210
PNC Financial Services Group
Pennsylvania
$981K +$127K +230 +15%
ACM
211
ADAR1 Capital Management
Texas
$970K +$639K +1,159 +193%
ORI
212
Oak Ridge Investments
Illinois
$944K -$1.1K -2 -0.1%
S
213
SignatureFD
Georgia
$925K -$4.41K -8 -0.5%
Daiwa Securities Group
214
Daiwa Securities Group
Japan
$923K +$256K +465 +38%
KeyBank National Association
215
KeyBank National Association
Ohio
$911K -$10.5K -19 -1%
Royal London Asset Management
216
Royal London Asset Management
United Kingdom
$877K -$132K -240 -13%
MGWM
217
Marks Group Wealth Management
Minnesota
$840K +$165K +299 +24%
CG
218
Cynosure Group
Utah
$836K +$214K +388 +34%
Corient Private Wealth
219
Corient Private Wealth
Florida
$833K +$44.1K +80 +6%
WAS
220
WESPAC Advisors SoCal
California
$824K +$824K +1,495 New
SAM
221
Simplify Asset Management
Nevada
$809K -$83.8K -152 -9%
MMEA
222
Main Management ETF Advisors
California
$808K +$13.2K +24 +2%
CFO
223
Callan Family Office
Pennsylvania
$800K +$601K +1,090 +301%
KIA
224
Knollwood Investment Advisory
Maryland
$771K
P
225
&Partners
Tennessee
$765K -$85.4K -155 -10%