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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
EHI
51
Eagle Health Investments
Connecticut
$55.7M +$10.6M +13,606 +22%
Public Sector Pension Investment Board (PSP Investments)
52
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$53.5M +$28.7M +36,700 +100%
Millennium Management
53
Millennium Management
New York
$52.8M +$9.32M +11,907 +20%
Ensign Peak Advisors
54
Ensign Peak Advisors
Utah
$52.3M -$14.8M -18,854 -21%
PI
55
PGGM Investments
Netherlands
$52.2M +$13.1M +16,684 +30%
N
56
Nuveen
North Carolina
$48.4M
Bessemer Group
57
Bessemer Group
New Jersey
$46.9M +$1.34M +1,714 +3%
Amundi
58
Amundi
France
$44.9M +$14.8M +18,948 +45%
Envestnet Asset Management
59
Envestnet Asset Management
Illinois
$44.9M -$14.5M -18,571 -23%
LCIP
60
Life Cycle Investment Partners
$43M +$10.2M +13,041 +28%
Northern Trust
61
Northern Trust
Illinois
$42.9M -$4.33M -5,538 -9%
NAMI
62
Nomura Asset Management International
Pennsylvania
$42.6M +$10.2M +13,059 +29%
Handelsbanken Fonder
63
Handelsbanken Fonder
Sweden
$40.1M +$1.76M +2,248 +4%
CS
64
Candriam SCA
Luxembourg
$39.5M +$4.23M +5,407 +11%
D.E. Shaw & Co
65
D.E. Shaw & Co
New York
$38.1M +$5.16M +6,589 +14%
Manulife (Manufacturers Life Insurance)
66
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$36M -$6.32M -8,078 -14%
Nomura Asset Management
67
Nomura Asset Management
Japan
$36M -$40.7K -52 -0.1%
VanEck Associates
68
VanEck Associates
New York
$29.5M +$4.59M +5,862 +17%
New York State Common Retirement Fund
69
New York State Common Retirement Fund
New York
$28.8M -$3.59M -4,590 -10%
Dimensional Fund Advisors
70
Dimensional Fund Advisors
Texas
$28.3M +$1.55M +1,977 +5%
Jane Street
71
Jane Street
New York
$28.1M +$7.79M +9,953 +35%
Wells Fargo
72
Wells Fargo
California
$27.8M -$12.7M -16,286 -30%
Raymond James Financial
73
Raymond James Financial
Florida
$26.9M -$16.2M -20,687 -36%
PSC
74
Patient Square Capital
California
$26.8M +$8.39M +10,718 +41%
DCP
75
Davern Capital Partners
New York
$25.6M -$501K -640 -2%