ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

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747 hedge funds and large institutions have $31.2B invested in Alexion Pharmaceuticals Inc in 2021 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 242 increasing their positions, 311 reducing their positions, and 147 closing their positions.

Holders
747
Holders Change
-70
Holders Change %
-8.57%
% of All Funds
13.16%
Holding in Top 10
70
Holding in Top 10 Change
+24
Holding in Top 10 Change %
+52.17%
% of All Funds
1.23%
New
83
Increased
242
Reduced
311
Closed
147
Calls
$202M
Puts
$267M
Net Calls
-$64.3M
Net Calls Change
-$187M

Top Buyers

1
HI
1
HBK Investments
Texas
$875M
2
FCM
2
Farallon Capital Management
California
$883M
3
DKCM
3
Davidson Kempner Capital Management
New York
$621M
4
Barclays
4
Barclays
United Kingdom
$547M
5
Citigroup
5
Citigroup
New York
$502M

Top Sellers

1
ClearBridge Investments
1
ClearBridge Investments
New York
$0
2
BBA
2
Baker Bros. Advisors
New York
$611M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$539M
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$98.3M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$346M
Name Market Value Shares Shares
Change 		Shares
Change %
Hudson Bay Capital Management
51
Hudson Bay Capital Management
Connecticut
$153M 1,000,522 +636,422 +175%
DnB Asset Management
52
DnB Asset Management
Norway
$151M 988,883 +701,261 +244%
TCA
53
Taconic Capital Advisors
New York
$150M 980,000 +980,000 New
Bank of America
54
Bank of America
North Carolina
$144M 942,830 -866,928 -48%
Swiss National Bank
55
Swiss National Bank
Switzerland
$129M 841,931 +14,300 +2%
MAM
56
Melqart Asset Management
United Kingdom
$127M 830,784 +415,384 +100%
Neuberger Berman Group
57
Neuberger Berman Group
New York
$123M 804,040 -139,119 -15%
Balyasny Asset Management
58
Balyasny Asset Management
Illinois
$122M 800,344 +470,542 +143%
T. Rowe Price Associates
59
T. Rowe Price Associates
Maryland
$121M 792,319 -743,854 -48%
PPA
60
Parametric Portfolio Associates
Washington
$119M 777,992 +35,830 +5%
Impax Asset Management Group
61
Impax Asset Management Group
United Kingdom
$118M 772,649 +101,129 +15%
Nuveen Asset Management
62
Nuveen Asset Management
Illinois
$115M 752,623 -36,763 -5%
TAL
63
TIG Advisors LLC
New York
$114M 743,403 +665,320 +852%
First Trust Advisors
64
First Trust Advisors
Illinois
$110M 718,671 -49,492 -6%
Sumitomo Mitsui Trust Group
65
Sumitomo Mitsui Trust Group
Japan
$109M 713,967 -49,091 -6%
BGIM
66
Boussard & Gavaudan Investment Management
United Kingdom
$109M 708,375 +708,375 New
Grantham, Mayo, Van Otterloo & Co (GMO)
67
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$102M 669,323 +397,440 +146%
Goldman Sachs
68
Goldman Sachs
New York
$101M 661,779 -108,377 -14%
RL
69
Ruffer LLP
United Kingdom
$100M 656,688 +656,688 New
SCM
70
Sarissa Capital Management
Connecticut
$99.5M 650,440 -147,300 -18%
Janus Henderson Group
71
Janus Henderson Group
United Kingdom
$98.3M 642,821 -2,054,365 -76%
HSBC Holdings
72
HSBC Holdings
United Kingdom
$97.6M 635,911 +262,234 +70%
Canada Pension Plan Investment Board
73
Canada Pension Plan Investment Board
Ontario, Canada
$94.7M 619,340 +403,009 +186%
CC
74
Carlson Capital
Texas
$93.8M 613,391 +128,391 +26%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
75
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$93M 608,104 +608,104 New
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