ALXN

Alexion Pharmaceuticals Inc
ALXN

Overview Fund Activity
Delisted

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

Back to rankings

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 %
PMAM
176
Picton Mahoney Asset Management
Ontario, Canada
$18.7M 120,000 +120,000 New
AAF
177
Andra AP-fonden
Sweden
$18.4M 118,000 +48,800 +71%
Calamos Advisors
178
Calamos Advisors
Illinois
$18.4M 117,628 +8,468 +8%
UBS Group
179
UBS Group
Switzerland
$18.1M 115,546 -759,985 -87%
GF
180
Gabelli Funds
New York
$17.6M 112,701 +71,701 +175%
SCM
181
Segantii Capital Management
Hong Kong
$17.1M 109,337 +73,187 +202%
Asset Management One
182
Asset Management One
Japan
$16.9M 109,050 -1,070 -1%
Ohio Public Employees Retirement System (OPERS)
183
Ohio Public Employees Retirement System (OPERS)
Ohio
$16.9M 108,395 +22,825 +27%
FDCDDQ
184
Federation des caisses Desjardins du Quebec
Quebec, Canada
$16.8M 107,663 +16,311 +18%
American Century Companies
185
American Century Companies
Missouri
$16.4M 104,782 -136,593 -57%
ACI
186
AMP Capital Investors
Australia
$15.9M 102,039 -20,072 -16%
MS
187
Maven Securities
Jersey
$15.8M 101,410 +101,410 New
Alyeska Investment Group
188
Alyeska Investment Group
Illinois
$15.5M 99,306 +99,306 New
IBT
189
International Biotechnology Trust
United Kingdom
$15.5M 99,241 +24,000 +32%
Schroder Investment Management Group
190
Schroder Investment Management Group
United Kingdom
$15.3M 97,955 -46,448 -32%
QOP
191
Quinn Opportunity Partners
Virginia
$15.2M 97,000 +97,000 New
VCM
192
Vigilant Capital Management
Maine
$14.4M 91,903 +446 +0.5%
Aberdeen Group
193
Aberdeen Group
United Kingdom
$14.4M 91,879 -2,488 -3%
ADEF
194
Adams Diversified Equity Fund
Maryland
$14.2M 91,200 – –
Mirae Asset Global Investments
195
Mirae Asset Global Investments
South Korea
$13.9M 89,026 +6,278 +8%
SAM
196
Sectoral Asset Management
Quebec, Canada
$13.7M 87,976 +36,700 +72%
JG
197
Jefferies Group
New York
$13.4M 85,788 +79,594 +1,285%
CM
198
Caption Management
Oklahoma
$13.4M 85,500 +15,500 +22%
Zurich Cantonal Bank
199
Zurich Cantonal Bank
Switzerland
$13.2M 84,479 -2,707 -3%
SSA
200
Schonfeld Strategic Advisors
New York
$13.1M 83,915 +69,548 +484%
6 7
8
9 10