ARGX icon

argenx
ARGX

Overview Fund Activity

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

Top Buyers

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

Top Sellers

1
BlackRock
BlackRock
New York
$303M
2
Morgan Stanley
Morgan Stanley
New York
$237M
3
Artisan Partners
Artisan Partners
Wisconsin
$1.3B
4
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$2.75B
5
Fidelity Investments
Fidelity Investments
Massachusetts
$2.99B
Name Holding Trade Value Shares
Change 		Shares
Change %
CCIA
151
Campbell & Co Investment Adviser
Maryland
$3.05M +$1.77M +3,207 +138%
IGAM
152
iA Global Asset Management
Quebec, Canada
$3M -$77.2K -140 -3%
Charles Schwab
153
Charles Schwab
California
$2.96M +$348K +631 +13%
US Bancorp
154
US Bancorp
Minnesota
$2.84M +$176K +319 +7%
State Street
155
State Street
Massachusetts
$2.75M +$488K +886 +22%
QCM
156
Quantinno Capital Management
New York
$2.73M +$260K +472 +11%
YIH
157
Y-Intercept (HK)
Hong Kong
$2.72M +$2.72M +4,933 New
Cerity Partners
158
Cerity Partners
New York
$2.63M +$60.1K +109 +2%
Citigroup
159
Citigroup
New York
$2.6M -$320K -581 -11%
Nomura Holdings
160
Nomura Holdings
Japan
$2.55M +$2.55M +4,629 New
Mirae Asset Global Investments
161
Mirae Asset Global Investments
South Korea
$2.54M +$732K +1,328 +40%
Truist Financial
162
Truist Financial
North Carolina
$2.49M +$112K +203 +5%
M&T Bank
163
M&T Bank
New York
$2.37M +$6.06K +11 +0.3%
SAM
164
Sectoral Asset Management
Quebec, Canada
$2.25M +$541K +982 +32%
SAM
165
Silvercrest Asset Management
New York
$2.22M -$2.76K -5 -0.1%
GGHC
166
Gilder Gagnon Howe & Co
New York
$2.1M -$12.7K -23 -0.6%
HT
167
Headlands Technologies
Illinois
$1.96M -$2.49M -4,518 -56%
PCIG
168
Partners Capital Investment Group
Massachusetts
$1.93M -$2.55M -4,620 -57%
ETCM
169
Evolutionary Tree Capital Management
Virginia
$1.93M -$203K -369 -10%
OAM
170
Oppenheimer Asset Management
New York
$1.91M +$247K +449 +15%
Mariner
171
Mariner
Kansas
$1.82M -$178K -323 -9%
AIM
172
Aigen Investment Management
New York
$1.81M +$199K +361 +12%
SP
173
SWS Partners
Ohio
$1.8M +$1.8M +3,270 New
Cambridge Investment Research Advisors
174
Cambridge Investment Research Advisors
Iowa
$1.77M +$1.23M +2,229 +226%
HF
175
HRT Financial
New York
$1.73M -$3.92M -7,120 -69%
5 6
7
8 9