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 9.30M $138.82M March 31, 2014
Vanguard 5.24M $78.29M March 31, 2014
Sectoral Asset Management 3.62M $54.10M March 31, 2014
First Trust Advisors 3.61M $53.88M March 31, 2014
BlackRock Fund Advisors 3.19M $47.56M March 31, 2014
BB Biotech AG 3.17M $47.27M March 31, 2014
Wellington Management Company 3.13M $46.68M March 31, 2014
STATE STREET CORPORATION 2.61M $39.00M March 31, 2014
BlackRock Institutional Trust Company, N.A. 2.47M $36.89M March 31, 2014
Artal Group S.A. 1.95M $33.19M Sept. 30, 2013
OrbiMed Advisors 1.93M $28.14M Sept. 30, 2012
NORTHERN TRUST 1.16M $17.30M March 31, 2014
GRANAHAN INVESTMENT MANAGEMENT INC/MA 1.14M $16.66M Dec. 31, 2013
Gail Mannix 883647 $13.19M March 31, 2014

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