Who owns Alexion Pharmaceuticals?

Key details on Alexion Pharmaceuticals (Ticker: ALXN)

Who owns Alexion Pharmaceuticals?

Is ALXN a good stock to own? Find out who bought Alexion Pharmaceuticals, who sold Alexion Pharmaceuticals (ALXN) stock, and who holds a large position in Alexion Pharmaceuticals.

Fund Name Number of Shares Share Valuation As Of
Capital Research Global Investors^ 23.70M $3.15B Dec. 31, 2013
FMR 19.57M $2.60B Dec. 31, 2013
T. Rowe Price Associates 14.89M $1.98B Dec. 31, 2013
Vanguard 9.50M $1.26B Dec. 31, 2013
Jennison Associates 8.40M $1.12B Dec. 31, 2013
STATE STREET CORPORATION 8.02M $1.07B Dec. 31, 2013
Wells Fargo & Company 7.70M $1.02B Dec. 31, 2013
Sands Capital Management 7.37M $979.41M Dec. 31, 2013
JPMORGAN CHASE & CO 6.16M $818.30M Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 5.03M $668.21M Dec. 31, 2013
BlackRock Fund Advisors 3.85M $511.94M Dec. 31, 2013
Columbia Wanger Asset Management 3.71M $344.78M March 31, 2012
Inves 3.54M $470.59M Dec. 31, 2013
WINSLOW CAPITAL MANAGEMENT INC /MN 3.40M $451.52M Dec. 31, 2013
VIKING GLOBAL INVESTORS 2.88M $382.30M Dec. 31, 2013
Ameriprise Financial 2.64M $351.63M Dec. 31, 2013
NORTHERN TRUST 2.64M $351.16M Dec. 31, 2013
Artisan Partners Limited Partnership 2.30M $306.26M Dec. 31, 2013
American Century Companies 2.02M $268.55M Dec. 31, 2013
Janus Capital Management 1.87M $172.62M June 30, 2013
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.79M $237.22M Dec. 31, 2013
Artisan Partners Holdings 1.65M $77.78M June 30, 2011
Bank of America Corporation 1.60M $114.19M Dec. 31, 2011
UBS GLOBAL ASSET MANAGEMENT AMERICAS 1.55M $179.68M Sept. 30, 2013
Columbus Circle Investors 1.54M $176.20M Sept. 30, 2012
CITADEL ADVISORS 1.51M $175.22M Sept. 30, 2013
BlackRock 1.49M $197.45M Dec. 31, 2013
GOLDMAN SACHS 1.47M $135.36M June 30, 2013

Who sold Alexion Pharmaceuticals?

Fund Name Date Sold Number of Shares Sold Share Valuation
Norges Bank Investment Management March 31, 2013 1.50M $138.01M
TIAA-CREF Investment Management Sept. 30, 2011 2.18M $139.64M
Maverick Capital Sept. 30, 2005 1.54M $42.46M