Who owns ImmunoGen?

Key details on ImmunoGen (Ticker: IMGN)

Who owns ImmunoGen?

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

Fund Name Number of Shares Share Valuation As Of
PRIMECAP Management Company 12.68M $189.24M March 31, 2014
FMR 12.19M $181.97M March 31, 2014
ClearBridge Advisors 9.98M $118.27M June 30, 2014
Vanguard 5.20M $61.64M June 30, 2014
First Trust Advisors 4.12M $48.84M June 30, 2014
Sectoral Asset Management 3.22M $38.14M June 30, 2014
BB Biotech AG 3.17M $37.51M June 30, 2014
BlackRock Fund Advisors 2.92M $30.94M Sept. 30, 2014
STATE STREET CORPORATION 2.54M $30.05M June 30, 2014
BlackRock Institutional Trust Company, N.A. 2.40M $25.45M Sept. 30, 2014
Artal Group S.A. 2.05M $24.29M June 30, 2014
OrbiMed Advisors 1.93M $28.14M Sept. 30, 2012
Wellington Management Company 1.31M $15.49M June 30, 2014
NORTHERN TRUST 1.16M $17.30M March 31, 2014
GRANAHAN INVESTMENT MANAGEMENT INC/MA 1.14M $16.66M Dec. 31, 2013
Gail Mannix 1.02M $11.83M Dec. 31, 2011

Who sold ImmunoGen?

Fund Name Date Sold Number of Shares Sold Share Valuation
Norges Bank Investment Management Dec. 31, 2013 2.37M $34.81M
Maverick Capital Dec. 31, 2000 1.57M $33.57M