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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
JF
101
Jump Financial
Illinois
$10.7M +$11.4M +18,000 New
TLP
102
Tri Locum Partners
New York
$10.6M -$25.5M -40,414 -69%
EGM
103
Engineers Gate Manager
New York
$10.3M +$8.69M +13,776 +387%
Canada Life
104
Canada Life
Manitoba, Canada
$9.01M +$348K +551 +4%
OMC
105
Old Mission Capital
Illinois
$8.86M +$9.45M +14,977 New
VOYA Investment Management
106
VOYA Investment Management
Georgia
$8.82M +$464K +735 +5%
DA
107
DCF Advisers
Connecticut
$8.49M -$3.57M -5,650 -28%
Bank of New York Mellon
108
Bank of New York Mellon
New York
$8.45M +$5M +7,921 +125%
SVCM
109
Saturn V Capital Management
Texas
$8.2M -$3.72M -5,892 -30%
ZP
110
Zimmer Partners
New York
$8.17M +$8.71M +13,800 New
EAM
111
Erste Asset Management
Austria
$8.13M -$1.89M -3,000 -18%
PM
112
Prosight Management
Texas
$8.11M +$8.65M +13,700 New
LP
113
LMR Partners
United Kingdom
$7.77M -$3.58M -5,680 -30%
QF
114
QVT Financial
New York
$7.71M -$2.19M -3,468 -21%
MML Investors Services
115
MML Investors Services
Massachusetts
$7.4M +$2.31M +3,662 +41%
UIM
116
USS Investment Management
United Kingdom
$7.38M
DP
117
Diadema Partners
New Jersey
$7.18M +$7.32M +11,600 +1,708%
AGP
118
Artia Global Partners
Florida
$6.69M
HCM
119
Harvey Capital Management
Florida
$6.55M -$307K -486 -4%
EAM
120
EFG Asset Management
Oregon
$6.37M -$2.38M -3,769 -26%
Stifel Financial
121
Stifel Financial
Missouri
$6.09M +$539K +854 +9%
HF
122
HRT Financial
New York
$6.08M -$538K -853 -8%
CGH
123
Crossmark Global Holdings
Texas
$5.79M +$48K +76 +0.8%
Balyasny Asset Management
124
Balyasny Asset Management
Illinois
$5.7M +$6.08M +9,637 New
Bank of Montreal
125
Bank of Montreal
Ontario, Canada
$5.51M +$42.3K +67 +0.7%