Who owns Biogen Idec?

Key details on Biogen Idec (Ticker: BIIB)

Who owns Biogen Idec?

Is BIIB a good stock to own? Find out who bought Biogen Idec, who sold Biogen Idec (BIIB) stock, and who holds a large position in Biogen Idec.

Fund Name Number of Shares Share Valuation As Of
FMR 21.93M $6.71B March 31, 2014
PRIMECAP Management Company 17.50M $5.35B March 31, 2014
Icahn Capital 12.86M $943.81M March 31, 2011
T. Rowe Price Associates 12.18M $3.72B March 31, 2014
Vanguard 11.90M $3.64B March 31, 2014
Schroder Investment Management 11.19M $2.69B Sept. 30, 2013
STATE STREET CORPORATION 9.55M $2.92B March 31, 2014
Capital Research Global Investors^ 9.16M $2.56B Dec. 31, 2013
ClearBridge Advisors 7.70M $2.36B March 31, 2014
Jennison Associates 6.34M $1.94B March 31, 2014
JPMORGAN CHASE & CO 6.18M $1.89B March 31, 2014
BlackRock Institutional Trust Company, N.A. 6.15M $1.88B March 31, 2014
Ameriprise Financial 5.67M $818.02M June 30, 2012
Sands Capital Management 4.87M $1.49B March 31, 2014
Inves 4.05M $1.24B March 31, 2014
Marsico Capital Management 4.00M $860.32M June 30, 2013
BlackRock Fund Advisors 3.87M $1.18B March 31, 2014
WINSLOW CAPITAL MANAGEMENT INC /MN 3.80M $556.30M Dec. 31, 2012
Wellington Management Company 3.77M $906.90M Sept. 30, 2013

Who sold Biogen Idec?

Fund Name Date Sold Number of Shares Sold Share Valuation
GOLDMAN SACHS March 31, 2011 5.99M $440.41M
Franklin Resources March 31, 2011 4.06M $297.88M
Tudor Investment Corporation Dec. 31, 2005 3.97M $179.76M