504 hedge funds and large institutions have $25B invested in argenx in 2025 Q4 according to their latest regulatory filings, with 99 funds opening new positions, 174 increasing their positions, 166 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

5% more repeat investments, than reductions

Existing positions increased: 174 | Existing positions reduced: 166

0% more funds holding in top 10

Funds holding in top 10: 1414 (0)

1.15% less ownership

Funds ownership: 49.87%48.72% (-1.2%)

Holders
504
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$364M
Puts
$165M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
NSIM
501
North Star Investment Management
Illinois
$841
JFA
502
JNBA Financial Advisors
Minnesota
$841
CA
503
Crewe Advisors
Utah
$841
MI
504
Motiv8 Investments
Florida
$11
Alkeon Capital Management
505
Alkeon Capital Management
New York
Caisse de Depot et Placement du Quebec (CDPQ)
506
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
HSBC Holdings
507
HSBC Holdings
United Kingdom
MIF
508
Mediolanum International Funds
Ireland
SC
509
Stempoint Capital
New York
ITP
510
Iron Triangle Partners
Connecticut
IC
511
Ikarian Capital
Texas
PM
512
Prosight Management
Texas
MFS
513
Mirabella Financial Services
United Kingdom
BCM
514
Bayesian Capital Management
New York
CP
515
CenterBook Partners
Connecticut
ETCM
516
Evolutionary Tree Capital Management
Virginia
BFM
517
Boothbay Fund Management
New York
TE
518
Tema ETFs
New York
SP
519
SIH Partners
Delaware
CIS
520
Capital International Sarl
California
SMH
521
Sanders Morris Harris
Texas
OAC
522
OMERS Administration Corp
Ontario, Canada
ECM
523
ExodusPoint Capital Management
New York
Loomis, Sayles & Company
524
Loomis, Sayles & Company
Massachusetts
CI
525
Capital International
California