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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

BATS BZX Real-Time Price
As of 10:52am ET
 -0.62 / -0.38%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 99.39% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry. Last, during the quarter ended June 2015, these large investors purchased a net $3.5 million shares.
Mutual fund holders64.09%
Individual stakeholders4.19%
Other institutional35.30%

Largest Quarterly Institutional

Latest Institutional Activity

7/22/2015BAKER BROS. ADVISORS LP  Bought 162.4 Thousand shares of Alexion Pharmaceuticals I...
8/31/2015ASSENAGON ASSET MANAGEMENT SA (G...  Bought 15.7 Thousand shares of Alexion Pharmaceuticals I...
8/31/2015FIDEURAM ASSET MANAGEMENT (IRELA...  Bought 11.0 Thousand shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Capital Research & Management Co....11.64%26,333,7414,534,406,863-1,408,905-5.08%
T. Rowe Price Associates, Inc.11.59%26,202,5354,511,814,502+3,444,344+15.13%
Fidelity Management & Research Co...6.57%14,861,8532,559,062,468-13,857,586-48.25%
The Vanguard Group, Inc.5.77%13,054,6962,247,888,104+759,847+6.18%
BlackRock Fund Advisors4.59%10,379,3381,787,218,210-106,758-1.02%
SSgA Funds Management, Inc.3.89%8,789,6751,513,494,138-65,577-0.74%
Baker Bros. Advisors LP2.97%6,704,9981,154,533,606+162,399+2.48%
Sands Capital Management LLC2.88%6,519,5461,122,600,626+1,315,250+25.27%
Jennison Associates LLC2.63%5,951,9631,024,868,509+711,725+13.58%
Columbia Management Investment Ad...2.19%4,959,211853,926,542+1,711,451+52.70%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...4.68%10,595,5721,824,451,543+648,838+6.52%
American Funds AMCAP Fund2.14%4,843,747834,044,796-582,580-10.74%
T Rowe Price Growth Stock Fund2.12%4,793,906825,462,674+874,000+22.30%
Vanguard Total Stock Market Index...1.86%4,197,617722,787,671-21,516-0.51%
Fidelity Select Biotechnology Por...1.82%4,117,554709,001,623+247,431+6.39%
T Rowe Price Blue Chip Growth Fun...1.64%3,709,700638,773,243+437,200+13.36%
T Rowe Price Health Sciences Fund1.50%3,393,843584,385,826+274,977+8.82%
American Funds Investment Company...1.42%3,207,000552,213,33000.00%
American Funds Capital World Grow...1.38%3,109,600535,442,024+135,200+4.55%
Vanguard 500 Index Fund1.16%2,618,783450,928,245+31,703+1.23%