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475 hedge funds and large institutions have $21.1B invested in argenx in 2026 Q1 according to their latest regulatory filings, with 63 funds opening new positions, 176 increasing their positions, 172 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

84% more call options, than puts

Call options by funds: $251M | Put options by funds: $136M

2% more repeat investments, than reductions

Existing positions increased: 176 | Existing positions reduced: 172

2.15% less ownership

Funds ownership: 48.72%46.56% (-2.2%)

6% less funds holding

Funds holding: 507475 (-32)

16% less capital invested

Capital invested by funds: $25B → $21.1B (-$3.92B)

21% less funds holding in top 10

Funds holding in top 10: 1411 (-3)

26% less first-time investments, than exits

New positions opened: 63 | Existing positions closed: 85

Holders
475
Holders Change
-32
Holders Change %
-6.31%
% of All Funds
5.85%
Holding in Top 10
11
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-21.43%
% of All Funds
0.14%
New
63
Increased
176
Reduced
172
Closed
85
Calls
$251M
Puts
$136M
Net Calls
+$115M
Net Calls Change
-$84.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Jones Financial Companies
101
Jones Financial Companies
Missouri
$11.6M +$12.7M +16,253 +2,923%
Assenagon Asset Management
102
Assenagon Asset Management
Luxembourg
$10.8M -$7.48M -9,561 -39%
DA
103
DCF Advisers
Connecticut
$10.7M +$783K +1,000 +7%
Allianz Asset Management
104
Allianz Asset Management
Germany
$10.5M +$8.92M +11,400 +380%
Susquehanna International Group
105
Susquehanna International Group
Pennsylvania
$10.5M -$7.49M -9,567 -40%
CP
106
CenterBook Partners
Connecticut
$10.2M +$10.9M +13,934 New
IMPI
107
Ilmarinen Mutual Pension Insurance
Finland
$10.1M +$7.98M +10,200 +283%
EAM
108
Erste Asset Management
Austria
$10M -$75.1K -96 -0.7%
Balyasny Asset Management
109
Balyasny Asset Management
Illinois
$9.57M -$22.5M -28,812 -69%
Thrivent Financial for Lutherans
110
Thrivent Financial for Lutherans
Minnesota
$9.26M +$1.46M +1,861 +17%
JP Morgan Chase
111
JP Morgan Chase
New York
$9.16M -$778K -994 -7%
UIM
112
USS Investment Management
United Kingdom
$8.87M +$115K +147 +1%
TRCT
113
Tower Research Capital (TRC)
New York
$8.84M -$2.47M -3,161 -21%
Canada Life
114
Canada Life
Manitoba, Canada
$8.48M -$789K -1,008 -8%
QCM
115
Quantinno Capital Management
New York
$8.14M +$869K +1,111 +11%
Optiver Holding
116
Optiver Holding
Netherlands
$7.38M +$7.13M +9,106 +907%
Charles Schwab
117
Charles Schwab
California
$6.87M +$909K +1,161 +14%
SPIA
118
Steward Partners Investment Advisory
New York
$6.84M +$7.05M +9,012 +2,510%
AssetMark Inc
119
AssetMark Inc
California
$6.77M -$442K -565 -6%
Citigroup
120
Citigroup
New York
$6.63M -$1.47M -1,878 -17%
CCIA
121
Campbell & Co Investment Adviser
Maryland
$6.6M -$1.68M -2,143 -19%
CGH
122
Crossmark Global Holdings
Texas
$6.33M +$391K +500 +6%
CL
123
CVFG LLC
Indiana
$6.22M +$6.66M +8,517 New
Creative Planning
124
Creative Planning
Kansas
$6.02M -$368K -470 -5%
Stifel Financial
125
Stifel Financial
Missouri
$5.89M -$1.17M -1,498 -16%