ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

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561 hedge funds and large institutions have $26B invested in Alexion Pharmaceuticals Inc in 2017 Q1 according to their latest regulatory filings, with 84 funds opening new positions, 220 increasing their positions, 204 reducing their positions, and 61 closing their positions.

Holders
561
Holders Change
+13
Holders Change %
+2.37%
% of All Funds
13.99%
Holding in Top 10
17
Holding in Top 10 Change
-7
Holding in Top 10 Change %
-29.17%
% of All Funds
0.42%
New
84
Increased
220
Reduced
204
Closed
61
Calls
$261M
Puts
$257M
Net Calls
+$4.33M
Net Calls Change
+$22.1M

Top Buyers

1
BlackRock
1
BlackRock
New York
$2.26B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$372M
3
Jennison Associates
3
Jennison Associates
New York
$1.17B
4
Norges Bank
4
Norges Bank
Norway
$374M
5
PI
5
Putnam Investments
Massachusetts
$115M

Top Sellers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$17.1M
2
Winslow Capital Management
2
Winslow Capital Management
Minnesota
$7K
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$2.34B
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$3.27B
5
WRF
5
Waddell & Reed Financial
Kansas
$248M
Name Market Value Shares Shares
Change 		Shares
Change %
AC
551
Alexandria Capital
Virginia
$2K 16 -13 -45%
LWM
552
LBA Wealth Management
Florida
$2K 13 – –
TFO
553
Tarbox Family Office
California
$2K 20 +6 +43%
DAM
554
Delta Asset Management
Tennessee
$2K 15 +15 New
Lazard Asset Management
555
Lazard Asset Management
New York
$1K 12 – –
BWM
556
Baystate Wealth Management
Massachusetts
$1K 10 +10 New
PFO
557
Pathstone Family Office
New Jersey
$1K 12 +12 New
Walleye Trading
558
Walleye Trading
New York
$961 7,928 +1,583 +25%
SLF
559
Sun Life Financial
Ontario, Canada
$121 15 – –
Alkeon Capital Management
560
Alkeon Capital Management
New York
– – -404,202 Closed
YCMGA
561
York Capital Management Global Advisors
New York
– – -321,409 Closed
EPCM
562
Eton Park Capital Management
New York
– – -202,000 Closed
ACA
563
Avoro Capital Advisors
New York
– – -170,000 Closed
EC
564
EcoR1 Capital
California
– – -162,200 Closed
PHS
565
PFM Health Sciences
California
– – -133,605 Closed
GTC
566
Ghost Tree Capital
New York
– – -115,000 Closed
SFM
567
Sphera Funds Management
Israel
– – -113,000 Closed
BJCM
568
Blue Jay Capital Management
California
– – -90,134 Closed
CHP
569
Castle Hook Partners
New York
– – -73,447 Closed
TAM
570
Tocqueville Asset Management
New York
– – -66,460 Closed
SGA
571
Sector Gamma AS
Norway
– – -48,500 Closed
KCM
572
Kingdon Capital Management
New York
– – -45,000 Closed
Mackenzie Financial
573
Mackenzie Financial
Ontario, Canada
– – -39,900 Closed
WSC
574
White Square Capital
United Kingdom
– – -38,135 Closed
FMI
575
Factory Mutual Insurance
Massachusetts
– – -23,000 Closed
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