Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

Alexion Pharmaceuticals Inc (NASDAQ:ALXN)

108.55
BATS BZX Real-Time Price
As of 2:28pm ET
 -2.32 / -2.09%
Today’s Change
96.18
Today|||52-Week Range
149.34
-11.28%
Year-to-Date
Institutional investors hold a majority ownership of ALXN through the 96.96% 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 September 2017, these large investors purchased a net $52.5 thousand shares.
Mutual fund holders54.40%
Individual stakeholders5.02%
Other institutional42.56%

Largest Quarterly Institutional
Transactions

Latest Institutional Activity

9/30/2017JENNISON ASSOCIATES LLC  Bought 4.7 Million shares of Alexion Pharmaceuticals I...
9/30/2017ASSENAGON ASSET MANAGEMENT SA (G...  Bought 865.0 Thousand shares of Alexion Pharmaceuticals I...
9/30/2017JPMORGAN SECURITIES LLC (INVESTM...  Bought 644.3 Thousand shares of Alexion Pharmaceuticals I...

Top 10 Owners of Alexion Pharmaceuticals Inc

StockholderStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
T. Rowe Price Associates, Inc.9.97%22,281,6482,666,222,000-537,207-2.35%
Fidelity Management & Research Co...8.02%17,914,6102,143,662,233-2,395,240-11.79%
The Vanguard Group, Inc.6.57%14,672,1371,755,667,913+259,045+1.80%
BlackRock Fund Advisors5.52%12,324,2811,474,723,464-246,371-1.96%
SSgA Funds Management, Inc.5.04%11,254,5591,346,720,530-606,088-5.11%
Baker Bros. Advisors LP3.83%8,553,8641,023,555,36600.00%
Columbia Management Investment Ad...2.51%5,602,475670,392,159-69,657-1.23%
Jennison Associates LLC2.39%5,332,636638,103,224+4,682,336+720.03%
Sands Capital Management LLC2.14%4,775,947571,489,818-1,570,127-24.74%
OrbiMed Advisors LLC1.63%3,645,486436,218,855-226,300-5.84%

Top 10 Mutual Funds Holding Alexion Pharmaceuticals Inc

Mutual fundStakeShares
owned
Total value ($)Shares
bought / sold
Total
change
Vanguard Total Stock Market Index...2.26%5,037,055602,734,001-509-0.01%
T Rowe Price Growth Stock Fund2.09%4,671,111558,945,142-941,350-16.77%
T Rowe Price Blue Chip Growth Fun...1.97%4,397,750526,234,765+990,000+29.05%
Vanguard 500 Index Fund1.66%3,702,870443,085,424+96,206+2.67%
Fidelity Select Biotechnology Por...1.42%3,176,855380,142,469-49,400-1.53%
iShares Nasdaq Biotechnology ETF1.29%2,870,932343,535,723-9,460-0.33%
SPDR S&P 500 ETF1.15%2,565,930307,039,184+8,580+0.34%
Vanguard Institutional Index Fund1.04%2,329,815278,785,663-44,522-1.88%
T Rowe Price Health Sciences Fund1.03%2,294,049274,505,903-279,100-10.85%
Government Pension Fund - Global ...0.86%1,924,765230,317,380+1,924,765--