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argenx
ARGX

Overview Fund Activity

441 hedge funds and large institutions have $19.7B invested in argenx in 2025 Q1 according to their latest regulatory filings, with 82 funds opening new positions, 156 increasing their positions, 148 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
441
Holders Change
+48
Holders Change %
+12.21%
% of All Funds
5.99%
Holding in Top 10
18
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.24%
New
82
Increased
156
Reduced
148
Closed
27
Calls
$319M
Puts
$174M
Net Calls
+$145M
Net Calls Change
-$48.4M

Top Buyers

1
Millennium Management
Millennium Management
New York
+$121M
2
Capital World Investors
Capital World Investors
California
+$89.4M
3
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$72.9M
4
UBS Group
UBS Group
Switzerland
+$48.7M
5
Bank of America
Bank of America
North Carolina
+$48.3M

Top Sellers

1
PBA
Paradigm Biocapital Advisors
New York
-$250M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$241M
3
Artisan Partners
Artisan Partners
Wisconsin
-$168M
4
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$99.7M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
-$91M
Name Holding Trade Value Shares
Change 		Shares
Change %
Cetera Investment Advisers
151
Cetera Investment Advisers
Illinois
$3.25M +$807K +1,364 +33%
PAMP
152
Polar Asset Management Partners
Ontario, Canada
$3.21M -$72.2K -122 -2%
TRCT
153
Tower Research Capital (TRC)
New York
$3.2M +$2.87M +4,849 +874%
Citigroup
154
Citigroup
New York
$3.14M -$518K -876 -14%
OAC
155
OMERS Administration Corp
Ontario, Canada
$2.9M +$2.9M +4,900 New
US Bancorp
156
US Bancorp
Minnesota
$2.86M -$26.6K -45 -0.9%
Charles Schwab
157
Charles Schwab
California
$2.8M +$307K +518 +12%
Cerity Partners
158
Cerity Partners
New York
$2.76M +$860K +1,452 +45%
Mackenzie Financial
159
Mackenzie Financial
Ontario, Canada
$2.72M +$89.4K +151 +3%
MFS
160
Mirabella Financial Services
United Kingdom
$2.71M +$258K +435 +11%
QCM
161
Quantinno Capital Management
New York
$2.65M +$647K +1,093 +32%
IAA
162
Independent Advisor Alliance
North Carolina
$2.65M +$2.65M +4,477 New
Truist Financial
163
Truist Financial
North Carolina
$2.55M +$17.8K +30 +0.7%
M&T Bank
164
M&T Bank
New York
$2.54M +$16K +27 +0.6%
TC
165
TownSquare Capital
Utah
$2.49M -$27.2K -46 -1%
State Street
166
State Street
Massachusetts
$2.42M +$1.28M +2,160 +112%
JG
167
Jain Global
New York
$2.42M +$2.42M +4,090 New
CCM
168
Cinctive Capital Management
New York
$2.39M -$1.17M -1,980 -33%
SAM
169
Silvercrest Asset Management
New York
$2.39M -$910K -1,537 -28%
PC
170
Panoramic Capital
California
$2.37M +$2.37M +4,000 New
ETCM
171
Evolutionary Tree Capital Management
Virginia
$2.29M -$41.4K -70 -2%
GGHC
172
Gilder Gagnon Howe & Co
New York
$2.27M -$32.6K -55 -1%
Optiver Holding
173
Optiver Holding
Netherlands
$2.25M +$2.25M +3,795 New
Mariner
174
Mariner
Kansas
$2.14M -$55.6K -94 -3%
GC
175
Guggenheim Capital
Illinois
$2.02M +$45.6K +77 +2%
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