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Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

Delayed Data
As of Sep 21
 0.00 / 0.00%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of ALXN through the 97.04% 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 2017, these large investors purchased a net $1.0 million shares.
Mutual fund holders55.30%
Individual stakeholders5.02%
Other institutional41.74%

Largest Quarterly Institutional

Latest Institutional Activity

6/30/2017T. ROWE PRICE ASSOCIATES, INC.  Bought 3.5 Million shares of Alexion Pharmaceuticals I...
6/30/2017GOLDMAN SACHS & CO. LLC (PRIVATE...  Bought 2.9 Million shares of Alexion Pharmaceuticals I...
6/30/2017BAKER BROS. ADVISORS LP  Bought 2.0 Million shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

Total value ($)Shares
bought / sold
T. Rowe Price Associates, Inc.10.22%22,818,8553,249,633,141+3,533,117+18.32%
Fidelity Management & Research Co...9.10%20,309,8502,892,325,739-5,465,945-21.21%
The Vanguard Group, Inc.6.63%14,785,8312,105,650,193+318,375+2.20%
BlackRock Fund Advisors5.63%12,570,6521,790,186,551+803,666+6.83%
SSgA Funds Management, Inc.5.31%11,860,6471,689,074,739+561,962+4.97%
Baker Bros. Advisors LP3.83%8,553,8641,218,155,772+2,009,734+30.71%
Sands Capital Management LLC2.84%6,346,074903,744,398+1,110,444+21.21%
Columbia Management Investment Ad...2.54%5,672,132807,768,318+30,324+0.54%
OrbiMed Advisors LLC1.74%3,871,786551,381,044+160,800+4.33%
Goldman Sachs & Co. LLC (Private ...1.63%3,636,458517,867,984+2,895,127+390.53%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
T Rowe Price Growth Stock Fund2.52%5,612,461799,270,571+974,881+21.02%
Vanguard Total Stock Market Index...2.23%4,971,996708,061,950+61,718+1.26%
Vanguard 500 Index Fund1.60%3,574,973509,111,905+31,525+0.89%
T Rowe Price Blue Chip Growth Fun...1.53%3,407,750485,297,678+674,800+24.69%
Fidelity Select Biotechnology Por...1.49%3,333,055474,660,363-19,200-0.57%
iShares Nasdaq Biotechnology ETF1.38%3,089,383439,959,03300.00%
Fidelity OTC Portfolio1.17%2,600,672370,361,700-1,634,517-38.59%
SPDR S&P 500 ETF1.16%2,578,091367,145,939+6,681+0.26%
T Rowe Price Health Sciences Fund1.15%2,573,149366,442,149+137,000+5.62%
Vanguard Institutional Index Fund1.09%2,429,628346,003,323-36,225-1.47%