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 24.04M $6.73B Dec. 31, 2013
PRIMECAP Management Company 17.78M $4.97B Dec. 31, 2013
Icahn Capital 12.86M $943.81M March 31, 2011
T. Rowe Price Associates 11.65M $3.26B Dec. 31, 2013
Vanguard 11.62M $3.25B Dec. 31, 2013
Schroder Investment Management 11.19M $2.69B Sept. 30, 2013
STATE STREET CORPORATION 10.15M $2.84B Dec. 31, 2013
Capital Research Global Investors^ 9.16M $2.56B Dec. 31, 2013
ClearBridge Advisors 8.20M $2.29B Dec. 31, 2013
JPMORGAN CHASE & CO 6.87M $1.92B Dec. 31, 2013
Jennison Associates 6.51M $1.82B Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 6.09M $1.70B Dec. 31, 2013
Ameriprise Financial 5.67M $818.02M June 30, 2012
Sands Capital Management 4.75M $1.33B Dec. 31, 2013
Marsico Capital Management 4.00M $860.32M June 30, 2013
WINSLOW CAPITAL MANAGEMENT INC /MN 3.80M $556.30M Dec. 31, 2012
Wellington Management Company 3.77M $906.90M Sept. 30, 2013
Inves 3.68M $1.03B Dec. 31, 2013
TIAA-CREF Investment Management 3.59M $692.71M March 31, 2013
BlackRock Fund Advisors 3.52M $984.81M Dec. 31, 2013
NORTHERN TRUST 3.22M $774.19M 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
CARL C. ICAHN, INDIVIDUAL March 31, 2011 3.22M $235.95M
Tudor Investment Corporation Dec. 31, 2005 3.97M $179.76M
Paulson & Co Dec. 31, 2003 3.43M $126.25M