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133 hedge funds and large institutions have $2.73B invested in argenx in 2019 Q1 according to their latest regulatory filings, with 41 funds opening new positions, 45 increasing their positions, 35 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

141% more first-time investments, than exits

New positions opened: 41 | Existing positions closed: 17

41% more capital invested

Capital invested by funds: $1.93B → $2.73B (+$799M)

29% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 35

21% more funds holding

Funds holding: 110133 (+23)

1.06% more ownership

Funds ownership: 57.05%58.11% (+1.1%)

20% less funds holding in top 10

Funds holding in top 10: 108 (-2)

68% less call options, than puts

Call options by funds: $1.16M | Put options by funds: $3.67M

Holders
133
Holders Change
+23
Holders Change %
+20.91%
% of All Funds
2.88%
Holding in Top 10
8
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-20%
% of All Funds
0.17%
New
41
Increased
45
Reduced
35
Closed
17
Calls
$1.16M
Puts
$3.67M
Net Calls
-$2.51M
Net Calls Change
-$2.26M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$462M +$25M +212,904 +6%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$449M +$176M +1,500,452 +72%
BBA
3
Baker Bros. Advisors
New York
$127M
RG
4
Redmile Group
California
$127M +$6.83M +58,100 +6%
BB
5
BB Biotech
Switzerland
$113M +$2.35M +20,000 +2%
ACA
6
Avoro Capital Advisors
New York
$105M -$2.35M -20,000 -2%
EC
7
EcoR1 Capital
California
$103M
Artisan Partners
8
Artisan Partners
Wisconsin
$96.2M +$53.4M +454,046 +144%
Lord, Abbett & Co
9
Lord, Abbett & Co
New Jersey
$80.8M +$54.4M +462,607 +251%
Jennison Associates
10
Jennison Associates
New York
$63.7M +$341K +2,897 +0.6%
Franklin Resources
11
Franklin Resources
California
$61.2M -$4.46M -37,913 -7%
DM
12
Deerfield Management
New York
$49.2M -$9.2M -78,250 -17%
Federated Hermes
13
Federated Hermes
Pennsylvania
$47.2M -$66.1M -562,168 -60%
Janus Henderson Group
14
Janus Henderson Group
United Kingdom
$45.3M -$9.19M -78,146 -18%
O
15
OrbiMed
New York
$45.1M -$33.7M -286,300 -44%
DCM
16
Driehaus Capital Management
Illinois
$40.7M -$1.97M -16,765 -5%
OAM
17
Oberweis Asset Management
Illinois
$38.3M +$2.25M +19,100 +7%
CAM
18
Cormorant Asset Management
Massachusetts
$34.3M -$20.6M -175,000 -39%
Loomis, Sayles & Company
19
Loomis, Sayles & Company
Massachusetts
$33.9M +$289K +2,456 +0.9%
KCM
20
Kingdon Capital Management
New York
$33.8M -$2.31M -19,633 -7%
PAMU
21
Pictet Asset Management (UK)
United Kingdom
$33.4M -$12M -102,455 -27%
MWNA
22
Marshall Wace North America
New York
$27.7M +$26.1M +221,927 New
BlackRock
23
BlackRock
New York
$27.2M -$3.73M -31,697 -13%
Capital World Investors
24
Capital World Investors
California
$26.5M +$25M +212,300 New
BAMCO Inc
25
BAMCO Inc
New York
$25.3M -$585K -4,972 -2%