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 %
TRCT
101
Tower Research Capital (TRC)
New York
$10.7M +$7.68M +13,935 +258%
Natixis Advisors
102
Natixis Advisors
Massachusetts
$10.5M -$1.19M -2,166 -10%
JF
103
Jump Financial
Illinois
$9.85M -$72.2K -131 -0.7%
Optiver Holding
104
Optiver Holding
Netherlands
$9.59M +$7.5M +13,599 +358%
CP
105
CenterBook Partners
Connecticut
$9.57M -$1.64M -2,968 -15%
SPPAM
106
Summit Partners Public Asset Management
Massachusetts
$9.44M -$34.7M -62,877 -79%
Jane Street
107
Jane Street
New York
$9.11M -$6.47M -11,738 -42%
VOYA Investment Management
108
VOYA Investment Management
Georgia
$8.74M +$524K +950 +6%
ITP
109
Iron Triangle Partners
Connecticut
$8.58M -$6.78M -12,307 -44%
MML Investors Services
110
MML Investors Services
Massachusetts
$8.48M +$1.58M +2,874 +23%
AIC
111
AWM Investment Company
New York
$8.27M -$4.41M -8,000 -35%
Capital Fund Management (CFM)
112
Capital Fund Management (CFM)
France
$8.26M +$8.26M +14,993 New
EAM
113
Erste Asset Management
Austria
$8.12M +$390K +696 +5%
Two Sigma Advisers
114
Two Sigma Advisers
New York
$7.72M -$8.93M -16,200 -54%
DA
115
DCF Advisers
Connecticut
$7.52M -$386K -700 -5%
Canada Life
116
Canada Life
Manitoba, Canada
$7.28M -$1.1M -2,001 -13%
QF
117
QVT Financial
New York
$7.18M
TAM
118
Thematics Asset Management
France
$6.38M +$6.38M +11,576 New
SP
119
SIH Partners
Delaware
$6.33M +$5.22M +9,475 +472%
UIM
120
USS Investment Management
United Kingdom
$6.31M -$558K -1,013 -8%
BCI
121
Brinker Capital Investments
Pennsylvania
$5.67M +$859K +1,558 +18%
SVCM
122
Saturn V Capital Management
Texas
$5.67M -$1.97M -3,577 -26%
CGH
123
Crossmark Global Holdings
Texas
$5.62M +$223K +405 +4%
EAM
124
EFG Asset Management
Oregon
$5.57M -$356K -646 -6%
Stifel Financial
125
Stifel Financial
Missouri
$5.57M -$100K -182 -2%