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 %
SCM
51
Sarissa Capital Management
Connecticut
$125M 797,740 – –
WCMNY
52
Westchester Capital Management (New York)
New York
$124M 790,632 +790,632 New
Nuveen Asset Management
53
Nuveen Asset Management
Illinois
$123M 789,386 -224,620 -22%
Goldman Sachs
54
Goldman Sachs
New York
$120M 770,156 -716,030 -48%
First Trust Advisors
55
First Trust Advisors
Illinois
$120M 768,163 -1,373,462 -64%
Sumitomo Mitsui Trust Group
56
Sumitomo Mitsui Trust Group
Japan
$119M 763,058 -104,912 -12%
PPA
57
Parametric Portfolio Associates
Washington
$116M 742,162 +72,564 +11%
EIP
58
Epoch Investment Partners
New York
$109M 694,777 -71,243 -9%
Impax Asset Management Group
59
Impax Asset Management Group
United Kingdom
$105M 671,520 +20,230 +3%
TSW
60
Thompson Siegel & Walmsley
Virginia
$103M 659,432 +20,947 +3%
IAM
61
Iridian Asset Management
Connecticut
$103M 656,409 -779,855 -54%
MWNA
62
Marshall Wace North America
New York
$100M 642,648 +637,683 +12,844%
FMI
63
Factory Mutual Insurance
Massachusetts
$97.5M 623,800 -129,900 -17%
DKCM
64
Davidson Kempner Capital Management
New York
$96.7M 619,179 +619,179 New
CS
65
Candriam SCA
Luxembourg
$95.4M 610,282 +47,210 +8%
Axa
66
Axa
France
$94.4M 604,335 -150,243 -20%
DM
67
Deerfield Management
New York
– – -579,248 Closed
UOC
68
UBS O'Connor
Illinois
$85.9M 549,621 +549,621 New
SI
69
Scharf Investments
California
$84.2M 538,759 -10,965 -2%
California Public Employees Retirement System
70
California Public Employees Retirement System
California
$83.7M 535,703 +28,550 +6%
Skandinaviska Enskilda Banken (SEB)
71
Skandinaviska Enskilda Banken (SEB)
Sweden
$82.3M 526,513 +140,098 +36%
EVM
72
Eaton Vance Management
Massachusetts
$81.7M 522,918 -21,057 -4%
TD Asset Management
73
TD Asset Management
Ontario, Canada
$78.7M 503,707 -60,086 -11%
PAI
74
Palo Alto Investors
California
$78.7M 503,429 +45,900 +10%
TCM
75
Tekla Capital Management
Massachusetts
$78.4M 501,942 +235,151 +88%
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