ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

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596 hedge funds and large institutions have $23.4B invested in Alexion Pharmaceuticals Inc in 2018 Q1 according to their latest regulatory filings, with 81 funds opening new positions, 219 increasing their positions, 225 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
596
Holders Change
+10
Holders Change %
+1.71%
% of All Funds
13.68%
Holding in Top 10
16
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-5.88%
% of All Funds
0.37%
New
81
Increased
219
Reduced
225
Closed
63
Calls
$468M
Puts
$434M
Net Calls
+$34.2M
Net Calls Change
+$82.4M

Top Buyers

1
Jennison Associates
Jennison Associates
New York
$835M
2
Fidelity Investments
Fidelity Investments
Massachusetts
$2.15B
3
EVM
Eaton Vance Management
Massachusetts
$257M
4
MWNA
Marshall Wace North America
New York
$121M
5
Millennium Management
Millennium Management
New York
$104M

Top Sellers

1
State Street
State Street
Massachusetts
$1.01B
2
Goldman Sachs
Goldman Sachs
New York
$275M
3
Citadel Advisors
Citadel Advisors
Florida
$77.3M
4
Sands Capital Management
Sands Capital Management
Virginia
$384M
5
Bank of Montreal
Bank of Montreal
Ontario, Canada
$62.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
BB
26
BB Biotech
Switzerland
$155M +$4.46M +40,000 +3%
Wells Fargo
27
Wells Fargo
California
$146M +$7.36M +65,994 +5%
Janus Henderson Group
28
Janus Henderson Group
United Kingdom
$134M -$11.6M -104,263 -8%
PAI
29
Palo Alto Investors
California
$127M +$2.03M +18,203 +2%
MWNA
30
Marshall Wace North America
New York
$121M +$110M +982,419 +959%
Artisan Partners
31
Artisan Partners
Wisconsin
$117M +$50.5M +453,196 +76%
Morgan Stanley
32
Morgan Stanley
New York
$113M +$30.6M +274,605 +37%
Legal & General Group
33
Legal & General Group
United Kingdom
$111M -$4M -35,874 -3%
AAMU
34
Amundi Asset Management US
Massachusetts
$109M -$53.2M -477,197 -33%
Axa
35
Axa
France
$107M +$16.6M +149,002 +18%
Millennium Management
36
Millennium Management
New York
$104M +$99.7M +894,437 +2,438%
Thrivent Financial for Lutherans
37
Thrivent Financial for Lutherans
Minnesota
$104M -$6.24M -56,004 -6%
Charles Schwab
38
Charles Schwab
California
$103M +$1.55M +13,920 +2%
WRF
39
Waddell & Reed Financial
Kansas
$98.5M -$94.6M -849,020 -49%
PA
40
Perceptive Advisors
New York
$97.4M +$97.4M +873,450 New
TA
41
Teachers Advisors
New York
$95.2M +$12.2M +109,793 +15%
CLM
42
ClearBridge LLC (Maryland)
Maryland
$94.5M +$24.2M +217,043 +34%
JPMorgan Chase & Co
43
JPMorgan Chase & Co
New York
$91M -$10.9M -98,088 -11%
AQR Capital Management
44
AQR Capital Management
Connecticut
$84.8M -$71.1M -637,857 -46%
Bessemer Group
45
Bessemer Group
New Jersey
$82.2M +$1.37M +12,289 +2%
PI
46
Putnam Investments
Massachusetts
$81.7M +$81.3M +729,505 +21,966%
Swiss National Bank
47
Swiss National Bank
Switzerland
$79.9M -$11.8M -106,000 -13%
Citadel Advisors
48
Citadel Advisors
Florida
$77.3M -$144M -1,292,263 -65%
American Century Companies
49
American Century Companies
Missouri
$73.1M -$21.3M -191,155 -23%
D.E. Shaw & Co
50
D.E. Shaw & Co
New York
$72.5M +$33.4M +299,529 +85%
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