ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

Back to rankings

586 hedge funds and large institutions have $25.3B invested in Alexion Pharmaceuticals Inc in 2017 Q4 according to their latest regulatory filings, with 91 funds opening new positions, 225 increasing their positions, 209 reducing their positions, and 95 closing their positions.

Holders
586
Holders Change
-9
Holders Change %
-1.51%
% of All Funds
13.31%
Holding in Top 10
17
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-10.53%
% of All Funds
0.39%
New
91
Increased
225
Reduced
209
Closed
95
Calls
$420M
Puts
$468M
Net Calls
-$48.2M
Net Calls Change
-$165M

Top Buyers

1
AAMU
1
Amundi Asset Management US
Massachusetts
$174M
2
Citadel Advisors
2
Citadel Advisors
Florida
$238M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$147M
4
Ameriprise
4
Ameriprise
Minnesota
$850M
5
Ninety One (UK)
5
Ninety One (UK)
United Kingdom
$84.1M

Top Sellers

1
BlackRock
1
BlackRock
New York
$2.15B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.11B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$2.51B
4
TP
4
Third Point
New York
$0
5
TCP
5
Tourbillon Capital Partners
New York
$71.6M
Name Market Value Shares Shares
Change 		Shares
Change %
WG
601
Winton Group
United Kingdom
– – -56,599 Closed
JG
602
Jefferies Group
New York
– – -50,521 Closed
IHM
603
Iguana Healthcare Management
New York
– – -40,000 Closed
AC
604
Ascend Capital
California
– – -39,210 Closed
OAM
605
Oxford Asset Management
United Kingdom
– – -36,710 Closed
QIM
606
Quantitative Investment Management
Virginia
– – -34,300 Closed
GAM
607
Gotham Asset Management
New York
– – -32,126 Closed
FAT
608
First American Trust
California
– – -28,323 Closed
UFF
609
USA Financial Formulas
Michigan
– – -25,886 Closed
AP
610
Archon Partners
New Jersey
– – -23,100 Closed
LCM
611
Laurion Capital Management
New York
– – -22,698 Closed
SCA
612
Secor Capital Advisors
New York
– – -20,995 Closed
CIC
613
Chase Investment Counsel
Virginia
– – -17,385 Closed
GLA
614
Great Lakes Advisors
Illinois
– – -16,557 Closed
DF
615
Donoghue Forlines
Massachusetts
– – -16,332 Closed
VF
616
Virtu Financial
New York
– – -15,923 Closed
ACP
617
Acuta Capital Partners
California
– – -15,000 Closed
NIT
618
NumerixS Investment Technologies
British Columbia, Canada
– – -13,200 Closed
SQA
619
Simon Quick Advisors
New Jersey
– – -10,007 Closed
RIM
620
Rainier Investment Management
Washington
– – -9,610 Closed
GLAM
621
Gardner Lewis Asset Management
Pennsylvania
– – -9,425 Closed
BCM
622
Bayesian Capital Management
New York
– – -9,300 Closed
FP
623
FDO Partners
Massachusetts
– – -8,701 Closed
NLI
624
Nippon Life Insurance
Japan
– – -8,306 Closed
FRM
625
Fox Run Management
Connecticut
– – -8,300 Closed
23 24
25
26 27