ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

ALXN was delisted on the 20th of July, 2021.

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595 hedge funds and large institutions have $30B invested in Alexion Pharmaceuticals Inc in 2017 Q3 according to their latest regulatory filings, with 88 funds opening new positions, 218 increasing their positions, 214 reducing their positions, and 45 closing their positions.

Holders
595
Holders Change
+36
Holders Change %
+6.44%
% of All Funds
14.86%
Holding in Top 10
19
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.47%
New
88
Increased
218
Reduced
214
Closed
45
Calls
$551M
Puts
$435M
Net Calls
+$117M
Net Calls Change
-$98.3M

Top Buyers

1
Jennison Associates
1
Jennison Associates
New York
$748M
2
Assenagon Asset Management
2
Assenagon Asset Management
Luxembourg
$124M
3
AQR Capital Management
3
AQR Capital Management
Connecticut
$132M
4
UBS AM
4
UBS AM
Illinois
$238M
5
Alkeon Capital Management
5
Alkeon Capital Management
New York
$70.1M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.66B
2
Sands Capital Management
2
Sands Capital Management
Virginia
$670M
3
Goldman Sachs
3
Goldman Sachs
New York
$485M
4
State Street
4
State Street
Massachusetts
$1.58B
5
BlackRock
5
BlackRock
New York
$2.72B
Name Market Value Shares Shares
Change 		Shares
Change %
SFM
601
Sphera Funds Management
Israel
– – -100,000 Closed
SC
602
Samlyn Capital
New York
– – -84,100 Closed
FHAM
603
Folger Hill Asset Management
New York
– – -75,019 Closed
Fidelity International
604
Fidelity International
Bermuda
– – -71,693 Closed
SGA
605
Sector Gamma AS
Norway
– – -40,300 Closed
Walleye Trading
606
Walleye Trading
New York
– – -22,031 Closed
PCM
607
Proxima Capital Management
New York
– – -15,000 Closed
PCM
608
Prelude Capital Management
New York
– – -12,470 Closed
ACM
609
Asymmetry Capital Management
California
– – -12,210 Closed
JGGDR
610
JGP Global Gestao de Recursos
Brazil
– – -10,743 Closed
QAM
611
Quantres Asset Management
Cayman Islands
– – -9,500 Closed
SDIC
612
South Dakota Investment Council
South Dakota
– – -9,200 Closed
JCM
613
Jafra Capital Management
New York
– – -8,826 Closed
Simplex Trading
614
Simplex Trading
Illinois
– – -6,937 Closed
SI
615
Stephens Inc
Arkansas
– – -6,683 Closed
RCAMU
616
Rothschild & Co Asset Management US
Connecticut
– – -5,319 Closed
EMG
617
Ellington Management Group
Connecticut
– – -5,000 Closed
HP
618
Hikari Power
Japan
– – -5,000 Closed
RGI
619
River Global Investors
United Kingdom
– – -3,810 Closed
AF
620
Aldebaran Financial
– – -3,500 Closed
CCIA
621
Campbell & Co Investment Adviser
Maryland
– – -3,348 Closed
TSS
622
Two Sigma Securities
New York
– – -3,334 Closed
LP
623
LMR Partners
United Kingdom
– – -3,119 Closed
WC
624
Wexford Capital
Florida
– – -2,900 Closed
TRCT
625
Tower Research Capital (TRC)
New York
– – -1,793 Closed
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