ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

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521 hedge funds and large institutions have $31.8B invested in Alexion Pharmaceuticals Inc in 2014 Q3 according to their latest regulatory filings, with 55 funds opening new positions, 183 increasing their positions, 209 reducing their positions, and 48 closing their positions.

Holders
521
Holders Change
–
Holders Change %
0%
% of All Funds
15.13%
Holding in Top 10
13
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-13.33%
% of All Funds
0.38%
New
55
Increased
183
Reduced
209
Closed
48
Calls
$126M
Puts
$160M
Net Calls
-$34.5M
Net Calls Change
+$21.5M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$3.27B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.33B
3
Winslow Capital Management
3
Winslow Capital Management
Minnesota
$558M
4
American Century Companies
4
American Century Companies
Missouri
$540M
5
Jennison Associates
5
Jennison Associates
New York
$1.39B

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$222M
2
BFA
2
BlackRock Fund Advisors
California
$559M
3
Wells Fargo
3
Wells Fargo
California
$747M
4
Millennium Management
4
Millennium Management
New York
$33.5M
5
AL
5
AJO LP
Pennsylvania
$15.6M
Name Market Value Shares Shares
Change 		Shares
Change %
LA
526
Leonetti & Associates
Illinois
– – -40,475 Closed
Hudson Bay Capital Management
527
Hudson Bay Capital Management
Connecticut
– – -40,000 Closed
N
528
Natixis
France
– – -39,168 Closed
DS
529
DRW Securities
Illinois
– – -32,503 Closed
ARTA
530
A.R.T. Advisors
New York
– – -28,457 Closed
Balyasny Asset Management
531
Balyasny Asset Management
Illinois
– – -26,400 Closed
BA
532
Bridgewater Associates
Connecticut
– – -26,332 Closed
IHM
533
Iguana Healthcare Management
New York
– – -25,000 Closed
GL
534
GLG LLC
New York
– – -23,062 Closed
LP
535
LMR Partners
United Kingdom
– – -21,179 Closed
HCMT
536
Highland Capital Management (Texas)
Texas
– – -19,768 Closed
BACM
537
Blue Arrow Capital Management
New York
– – -19,500 Closed
ACH
538
ArrowMark Colorado Holdings
Colorado
– – -19,055 Closed
WG
539
Winton Group
United Kingdom
– – -16,703 Closed
CCIA
540
Campbell & Co Investment Adviser
Maryland
– – -15,681 Closed
FQ
541
First Quadrant
California
– – -13,676 Closed
ACM
542
Atika Capital Management
New York
– – -12,000 Closed
Point72 Asset Management
543
Point72 Asset Management
Connecticut
– – -11,700 Closed
GCA
544
Gideon Capital Advisors
New York
– – -10,098 Closed
PA
545
Para Advisors
New York
– – -10,000 Closed
CG
546
Clinton Group
New York
– – -8,977 Closed
HMS
547
Hanseatic Management Services
New Mexico
– – -7,350 Closed
QAM
548
Quantres Asset Management
Cayman Islands
– – -6,500 Closed
PAM
549
Princeton Alpha Management
New Jersey
– – -6,106 Closed
MCM
550
Mazama Capital Management
Oregon
– – -5,336 Closed
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