433 hedge funds and large institutions have $17.7B invested in argenx in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 177 increasing their positions, 145 reducing their positions, and 59 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 first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

2.3% less ownership

Funds ownership: 54.9%52.59% (-2.3%)

6% less funds holding in top 10

Funds holding in top 10: 1817 (-1)

10% less capital invested

Capital invested by funds: $19.7B → $17.7B (-$2.03B)

Holders
433
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$270M
Puts
$120M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
UOC
201
UBS O'Connor
Illinois
$1.21M
WSFS
202
Wilmington Savings Fund Society
Delaware
$1.16M
PAS
203
Park Avenue Securities
New York
$1.07M
Sumitomo Mitsui Trust Group
204
Sumitomo Mitsui Trust Group
Japan
$1.07M
SCA
205
Snowden Capital Advisors
New York
$1.05M
Kovitz Investment Group Partners
206
Kovitz Investment Group Partners
Illinois
$1.03M
PAMP
207
Polar Asset Management Partners
Ontario, Canada
$1.02M
Alyeska Investment Group
208
Alyeska Investment Group
Illinois
$1.01M
SFA
209
Sequoia Financial Advisors
Ohio
$1.01M
PNC Financial Services Group
210
PNC Financial Services Group
Pennsylvania
$981K
ACM
211
ADAR1 Capital Management
Texas
$970K
ORI
212
Oak Ridge Investments
Illinois
$944K
S
213
SignatureFD
Georgia
$925K
Daiwa Securities Group
214
Daiwa Securities Group
Japan
$923K
KeyBank National Association
215
KeyBank National Association
Ohio
$911K
Royal London Asset Management
216
Royal London Asset Management
United Kingdom
$877K
MGWM
217
Marks Group Wealth Management
Minnesota
$840K
CG
218
Cynosure Group
Utah
$836K
Corient Private Wealth
219
Corient Private Wealth
Florida
$833K
WAS
220
WESPAC Advisors SoCal
California
$824K
SAM
221
Simplify Asset Management
Nevada
$809K
MMEA
222
Main Management ETF Advisors
California
$808K
CFO
223
Callan Family Office
Pennsylvania
$800K
KIA
224
Knollwood Investment Advisory
Maryland
$771K
P
225
&Partners
Tennessee
$765K