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 $185.95M Dec. 31, 2013
FMR 12.18M $178.62M Dec. 31, 2013
ClearBridge Advisors 8.78M $128.76M Dec. 31, 2013
Vanguard 5.04M $73.96M Dec. 31, 2013
Sectoral Asset Management 3.51M $51.54M Dec. 31, 2013
Wellington Management Company 3.36M $57.14M Sept. 30, 2013
BB Biotech AG 3.23M $47.32M Dec. 31, 2013
BlackRock Fund Advisors 3.10M $45.43M Dec. 31, 2013
First Trust Advisors 2.59M $38.07M Dec. 31, 2013
STATE STREET CORPORATION 2.52M $36.94M Dec. 31, 2013
Norges Bank Investment Management 2.37M $34.81M Dec. 31, 2013
BlackRock Institutional Trust Company, N.A. 2.35M $34.45M Dec. 31, 2013
Artal Group S.A. 1.95M $33.19M Sept. 30, 2013
OrbiMed Advisors 1.93M $28.14M Sept. 30, 2012
NORTHERN TRUST 1.23M $18.00M Dec. 31, 2013
Gail Mannix 921157 $13.51M Dec. 31, 2013
TCW 675199 $9.86M Sept. 30, 2012
Wells Fargo & Company 653517 $9.59M Dec. 31, 2013
Hambrecht & Quist Capital Management 570700 $8.33M Sept. 30, 2012
Inves 550227 $8.07M Dec. 31, 2013
Ulys 550000 $7.91M March 31, 2012
GRANAHAN INVESTMENT MANAGEMENT INC/MA 540641 $8.07M March 31, 2014
Deutsche Bank Aktiengesellschaft 533806 $9.09M Sept. 30, 2013
SUSQUEHANNA INTERNATIONAL 518596 $7.61M Dec. 31, 2013
Heather K. Mellem, Esq. 497592 $7.16M March 31, 2012

Who sold ImmunoGen?

Fund Name Date Sold Number of Shares Sold Share Valuation
Renaissance Technologies June 30, 2011 680340 $8.29M
Jefferies March 31, 2011 566400 $5.14M
Maverick Capital Dec. 31, 2000 1.57M $33.57M