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507 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, 167 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:

4% more repeat investments, than reductions

Existing positions increased: 174 | Existing positions reduced: 167

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
507
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
PS
226
Principal Securities
Iowa
$1.31M
Sumitomo Mitsui Trust Group
227
Sumitomo Mitsui Trust Group
Japan
$1.3M
SGH
228
Sivik Global Healthcare
Connecticut
$1.26M
DWA
229
Dorsey Wright & Associates
California
$1.24M
RFC
230
Regions Financial Corp
Alabama
$1.22M
HT
231
Headlands Technologies
Illinois
$1.22M
SSA
232
Shepherd Street Advisors
California
$1.21M
AA
233
AlphaCentric Advisors
Puerto Rico
$1.2M
NIM
234
NEOS Investment Management
Connecticut
$1.19M
KIA
235
Knollwood Investment Advisory
Maryland
$1.16M
VFA
236
Valeo Financial Advisors
Indiana
$1.15M
Macquarie Group
237
Macquarie Group
Australia
$1.12M
A
238
AustralianSuper
Australia
$1.11M
Neuberger Berman Group
239
Neuberger Berman Group
New York
$1.11M
Russell Investments Group
240
Russell Investments Group
United Kingdom
$1.11M
GC
241
Gilbert & Cook
Iowa
$1.1M
AFG
242
Atomi Financial Group
New York
$1.09M
ProShare Advisors
243
ProShare Advisors
Maryland
$1.08M
CG
244
Caprock Group
Idaho
$1.06M
DC
245
Davenport & Co
Virginia
$1.05M
DS
246
DRW Securities
Illinois
$1.05M
QIM
247
Quantitative Investment Management
Virginia
$1.05M
LWAM
248
Legacy Wealth Asset Management
Minnesota
$1.03M
MGWM
249
Marks Group Wealth Management
Minnesota
$1.03M
Janney Montgomery Scott
250
Janney Montgomery Scott
Pennsylvania
$1.01M