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110 hedge funds and large institutions have $1.93B invested in argenx in 2018 Q4 according to their latest regulatory filings, with 31 funds opening new positions, 30 increasing their positions, 43 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

400% more funds holding in top 10

Funds holding in top 10: 210 (+8)

23% more capital invested

Capital invested by funds: $1.57B → $1.93B (+$361M)

15% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 27

4% more funds holding

Funds holding: 106110 (+4)

0.63% less ownership

Funds ownership: 57.68%57.05% (-0.63%)

18% less call options, than puts

Call options by funds: $1.18M | Put options by funds: $1.44M

30% less repeat investments, than reductions

Existing positions increased: 30 | Existing positions reduced: 43

Holders
110
Holders Change
+4
Holders Change %
+3.77%
% of All Funds
2.45%
Holding in Top 10
10
Holding in Top 10 Change
+8
Holding in Top 10 Change %
+400%
% of All Funds
0.22%
New
31
Increased
30
Reduced
43
Closed
27
Calls
$1.18M
Puts
$1.44M
Net Calls
-$255K
Net Calls Change
-$6.02M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$335M +$1.07M +12,003 +0.3%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$201M +$14.3M +161,351 +8%
BBA
3
Baker Bros. Advisors
New York
$97.9M
RG
4
Redmile Group
California
$92.3M -$1.2M -13,545 -1%
Federated Hermes
5
Federated Hermes
Pennsylvania
$90.3M -$1.88M -21,206 -2%
BB
6
BB Biotech
Switzerland
$85M +$13.3M +150,000 +20%
ACA
7
Avoro Capital Advisors
New York
$82.6M +$9.29M +104,585 +14%
EC
8
EcoR1 Capital
California
$79.3M +$73.3M +825,087 New
O
9
OrbiMed
New York
$62.2M -$6.33M -71,200 -10%
PA
10
Perceptive Advisors
New York
$53.9M
Franklin Resources
11
Franklin Resources
California
$50.7M -$6.44M -72,505 -12%
Jennison Associates
12
Jennison Associates
New York
$48.7M -$378K -4,250 -0.8%
DM
13
Deerfield Management
New York
$45.3M -$16.4M -184,500 -28%
CAM
14
Cormorant Asset Management
Massachusetts
$43.2M +$23.1M +260,000 +137%
Janus Henderson Group
15
Janus Henderson Group
United Kingdom
$42.4M -$4.67M -52,585 -11%
DCM
16
Driehaus Capital Management
Illinois
$32.9M +$443K +4,983 +1%
Artisan Partners
17
Artisan Partners
Wisconsin
$30.4M +$7.42M +83,482 +36%
KCM
18
Kingdon Capital Management
New York
$27.9M +$1.85M +20,856 +8%
OAM
19
Oberweis Asset Management
Illinois
$27.7M +$25.6M +287,900 New
AG
20
Artal Group
Luxembourg
$25.9M +$7.55M +85,000 +46%
Loomis, Sayles & Company
21
Loomis, Sayles & Company
Massachusetts
$25.9M +$1.82M +20,509 +8%
EAM
22
Eventide Asset Management
Massachusetts
$24.4M -$7.2M -81,000 -24%
BlackRock
23
BlackRock
New York
$24M +$22.2M +249,809 New
BAMCO Inc
24
BAMCO Inc
New York
$19.9M +$935K +10,525 +5%
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$17.7M +$16.4M +184,270 New

ARGX Hedge Fund Activity: Q4 2018 in Review

110 of the 4,488 institutional investors tracked by Wall St. Rank reported a position in argenx (ARGX) for Q4 2018, worth a combined $1.93B — up 23% from $1.57B a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new ARGX positions and 27 closed out — a net gain of 4 holders — while 30 added to existing stakes and 43 trimmed.

The largest buyer was EcoR1 Capital, opening a new position worth an estimated $73.3M. The largest seller was Adage Capital Partners, exiting entirely with an estimated $77.1M sold.

  • 110 institutional investors held argenx (ARGX) as of Q4 2018, up from 106 in Q3 2018.
  • Funds reported $1.93B of argenx stock for Q4 2018, up 23% quarter-over-quarter.
  • 31 funds opened new argenx positions in Q4 2018 and 27 closed out, a net change of +4 holders.
  • The largest argenx buyer in Q4 2018 was EcoR1 Capital, an estimated $73.3M added.
  • The largest argenx seller in Q4 2018 was Adage Capital Partners, an estimated $77.1M sold.

Based on aggregated 13F filings for Q4 2018.