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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

BATS BZX Real-Time Price
As of 12:36pm ET
 +1.25 / +0.88%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 100.86% 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 March 2016, these large investors purchased a net $126.8 thousand shares.
Mutual fund holders64.87%
Individual stakeholders4.20%
Other institutional35.99%

Largest Quarterly Institutional

Latest Institutional Activity

3/31/2016CANDRIAM LUXEMBOURG SA  Bought 137.4 Thousand shares of Alexion Pharmaceuticals I...
3/31/2016BNP PARIBAS ARBITRAGE SNC  Bought 44.4 Thousand shares of Alexion Pharmaceuticals I...
3/15/2016BAKER BROS. ADVISORS LP  Bought 27.8 Thousand shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
T. Rowe Price Associates, Inc.12.56%28,295,4273,939,289,347+353,706+1.27%
Capital Research & Management Co....12.25%27,602,2073,842,779,259+194,323+0.71%
Fidelity Management & Research Co...6.42%14,458,4262,012,902,068+356,950+2.53%
The Vanguard Group, Inc.5.76%12,973,9581,806,234,433+252,272+1.98%
BlackRock Fund Advisors4.47%10,082,2241,403,647,225-248,150-2.40%
SSgA Funds Management, Inc.3.91%8,817,6841,227,597,966+23,394+0.27%
Jennison Associates LLC3.26%7,346,0241,022,713,461+481,031+7.01%
Baker Bros. Advisors LP2.92%6,570,412914,732,759+27,813+0.43%
Sands Capital Management LLC2.69%6,056,762843,222,406-323,095-5.06%
Columbia Management Investment Ad...2.31%5,205,530724,713,887-281,475-5.13%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
American Funds Growth Fund of Ame...4.72%10,623,0611,478,942,55200.00%
American Funds AMCAP Fund2.62%5,906,898822,358,34000.00%
T Rowe Price Growth Stock Fund2.26%5,091,318708,813,292-50,988-0.99%
T Rowe Price Blue Chip Growth Fun...1.93%4,353,300606,066,426+175,600+4.20%
Vanguard Total Stock Market Index...1.83%4,117,041573,174,448+34,558+0.85%
Fidelity Select Biotechnology Por...1.72%3,865,503538,155,328-323,501-7.72%
T Rowe Price Health Sciences Fund1.51%3,398,236473,102,416-15,800-0.46%
American Funds Capital World Grow...1.43%3,231,350449,868,54700.00%
American Funds Investment Company...1.42%3,207,000446,478,54000.00%
Vanguard 500 Index Fund1.26%2,841,366395,574,975+35,059+1.25%