471 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, 174 increasing their positions, 172 reducing their positions, and 86 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

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)

27% less first-time investments, than exits

New positions opened: 63 | Existing positions closed: 86

Holders
471
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$251M
Puts
$136M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
JG
151
Jain Global
New York
$3.39M
KCM
152
Kennedy Capital Management
Missouri
$3.34M
PHS
153
PFM Health Sciences
California
$3.31M
HCM
154
Harvey Capital Management
Florida
$3.29M
NP
155
Nilsine Partners
Colorado
$3.23M
GC
156
Guggenheim Capital
Illinois
$2.94M
EI
157
Ethic Inc
New York
$2.94M
Truist Financial
158
Truist Financial
North Carolina
$2.83M
PNC Financial Services Group
159
PNC Financial Services Group
Pennsylvania
$2.77M
BCAM
160
Boston Common Asset Management
Massachusetts
$2.74M
RhumbLine Advisers
161
RhumbLine Advisers
Massachusetts
$2.74M
AIC
162
AWM Investment Company
New York
$2.74M
SAM
163
Sectoral Asset Management
Quebec, Canada
$2.74M
BCI
164
Brinker Capital Investments
Pennsylvania
$2.72M
Mariner
165
Mariner
Kansas
$2.64M
DZ Bank
166
DZ Bank
Germany
$2.63M
SCM
167
Soleus Capital Management
Connecticut
$2.56M
HP
168
Havemeyer Place
Connecticut
$2.51M
FDP
169
Financiere des Professionnels
Quebec, Canada
$2.43M
VPIM
170
Vanguard Personalized Indexing Management
California
$2.29M
NIP
171
Nicholas Investment Partners
California
$2.12M
US Bancorp
172
US Bancorp
Minnesota
$2.06M
NFGH
173
Nan Fung Group Holdings
Hong Kong
$2.04M
Cerity Partners
174
Cerity Partners
New York
$2.04M
QCG
175
Quadrant Capital Group
Ohio
$2.03M