ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

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817 hedge funds and large institutions have $31.3B invested in Alexion Pharmaceuticals Inc in 2020 Q4 according to their latest regulatory filings, with 202 funds opening new positions, 238 increasing their positions, 283 reducing their positions, and 80 closing their positions.

Holders
817
Holders Change
+115
Holders Change %
+16.38%
% of All Funds
14.5%
Holding in Top 10
46
Holding in Top 10 Change
+28
Holding in Top 10 Change %
+155.56%
% of All Funds
0.82%
New
202
Increased
238
Reduced
283
Closed
80
Calls
$559M
Puts
$436M
Net Calls
+$123M
Net Calls Change
+$163M

Top Buyers

1
PCM
1
Pentwater Capital Management
Florida
$463M
2
FCM
2
Farallon Capital Management
California
$351M
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$456M
4
HI
4
HBK Investments
Texas
$269M
5
Millennium Management
5
Millennium Management
New York
$294M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$982M
2
Ameriprise
2
Ameriprise
Minnesota
$367M
3
O
3
OrbiMed
New York
$26.4M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$240M
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$58.6M
Name Market Value Shares Shares
Change 		Shares
Change %
BNP Paribas Financial Markets
76
BNP Paribas Financial Markets
France
$78.2M 500,310 +195,156 +64%
PCH
77
Polar Capital Holdings
United Kingdom
$78.1M 500,000 +500,000 New
AAM
78
Alpine Associates Management
Florida
$76.3M 488,600 +488,600 New
CC
79
Carlson Capital
Texas
$75.8M 485,000 +485,000 New
WIC
80
Water Island Capital
New York
$75.2M 481,238 +481,238 New
RhumbLine Advisers
81
RhumbLine Advisers
Massachusetts
$70.3M 449,884 -37,144 -8%
N
82
Natixis
France
$68.2M 436,493 +436,493 New
California State Teachers Retirement System (CalSTRS)
83
California State Teachers Retirement System (CalSTRS)
California
$67.6M 432,880 -8,306 -2%
BM
84
Bridger Management
New York
$66M 422,254 +43,800 +12%
Thrivent Financial for Lutherans
85
Thrivent Financial for Lutherans
Minnesota
$65.8M 421,001 -168,087 -29%
MAM
86
Melqart Asset Management
United Kingdom
$64.9M 415,400 +415,400 New
BGIM
87
Brandywine Global Investment Management
Pennsylvania
$59.6M 381,585 +10,445 +3%
EP
88
Eversept Partners
New York
$58.8M 376,200 +376,200 New
AQR Capital Management
89
AQR Capital Management
Connecticut
$58.6M 378,239 -1,506,184 -80%
Prudential Financial
90
Prudential Financial
New Jersey
$58.3M 373,420 +29,204 +8%
HSBC Holdings
91
HSBC Holdings
United Kingdom
$58.3M 373,677 +89,581 +32%
New York State Common Retirement Fund
92
New York State Common Retirement Fund
New York
$57.7M 369,142 -129,381 -26%
Barclays
93
Barclays
United Kingdom
$57.2M 366,134 -42,407 -10%
KAM
94
Krensavage Asset Management
New York
$56.9M 364,274 -32,301 -8%
Hudson Bay Capital Management
95
Hudson Bay Capital Management
Connecticut
$56.9M 364,100 +128,500 +55%
Assenagon Asset Management
96
Assenagon Asset Management
Luxembourg
$56.8M 363,434 -351,606 -49%
National Pension Service
97
National Pension Service
South Korea
$55.1M 352,575 +17,167 +5%
PCM
98
Polaris Capital Management
Massachusetts
$53.6M 342,900 +1,500 +0.4%
SC
99
Sculptor Capital
New York
$52.2M 334,205 +334,205 New
Tudor Investment Corp
100
Tudor Investment Corp
Connecticut
$52.1M 333,377 +261,377 +363%
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