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475 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, 176 increasing their positions, 172 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

84% more call options, than puts

Call options by funds: $251M | Put options by funds: $136M

2% more repeat investments, than reductions

Existing positions increased: 176 | Existing positions reduced: 172

2.15% less ownership

Funds ownership: 48.72%46.56% (-2.2%)

6% less funds holding

Funds holding: 507475 (-32)

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)

26% less first-time investments, than exits

New positions opened: 63 | Existing positions closed: 85

Holders
475
Holders Change
-32
Holders Change %
-6.31%
% of All Funds
5.85%
Holding in Top 10
11
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-21.43%
% of All Funds
0.14%
New
63
Increased
176
Reduced
172
Closed
85
Calls
$251M
Puts
$136M
Net Calls
+$115M
Net Calls Change
-$84.4M
Name Holding Trade Value Shares
Change
Change in
Stake
JG
151
Jain Global
New York
$3.39M -$42M -53,609 -92%
KCM
152
Kennedy Capital Management
Missouri
$3.34M +$808K +1,032 +29%
PHS
153
PFM Health Sciences
California
$3.31M +$261K +333 +8%
HCM
154
Harvey Capital Management
Florida
$3.29M +$3.52M +4,501 New
NP
155
Nilsine Partners
Colorado
$3.23M +$370K +473 +13%
GC
156
Guggenheim Capital
Illinois
$2.94M +$967K +1,236 +44%
EI
157
Ethic Inc
New York
$2.94M -$43.8K -56 -1%
Truist Financial
158
Truist Financial
North Carolina
$2.83M -$503K -643 -14%
PNC Financial Services Group
159
PNC Financial Services Group
Pennsylvania
$2.77M +$446K +570 +18%
BCAM
160
Boston Common Asset Management
Massachusetts
$2.74M +$2.94M +3,753 New
RhumbLine Advisers
161
RhumbLine Advisers
Massachusetts
$2.74M +$1.5M +1,923 +105%
AIC
162
AWM Investment Company
New York
$2.74M
SAM
163
Sectoral Asset Management
Quebec, Canada
$2.74M +$524K +670 +23%
BCI
164
Brinker Capital Investments
Pennsylvania
$2.72M -$2.77M -3,543 -49%
Mariner
165
Mariner
Kansas
$2.64M -$106K -136 -4%
DZ Bank
166
DZ Bank
Germany
$2.63M +$2.81M +3,597 New
SCM
167
Soleus Capital Management
Connecticut
$2.56M -$22.1M -28,226 -89%
HP
168
Havemeyer Place
Connecticut
$2.51M +$2.31M +2,956 +622%
FDP
169
Financiere des Professionnels
Quebec, Canada
$2.43M +$2.6M +3,327 New
VPIM
170
Vanguard Personalized Indexing Management
California
$2.29M -$263K -336 -10%
NIP
171
Nicholas Investment Partners
California
$2.12M -$4.19M -5,356 -65%
US Bancorp
172
US Bancorp
Minnesota
$2.06M -$2.79M -3,562 -56%
NFGH
173
Nan Fung Group Holdings
Hong Kong
$2.04M
Cerity Partners
174
Cerity Partners
New York
$2.04M -$689K -880 -24%
QCG
175
Quadrant Capital Group
Ohio
$2.03M -$21.9K -28 -1%