Institutional investors hold a majority ownership of IMGN through the 88.55% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry. Last, during the quarter ended December 2013, these large investors purchased a net $1.7 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
CLEARBRIDGE INVESTMENTS LLC Bought 1.6 Million shares of ImmunoGen Inc
INVESCO POWERSHARES CAPITAL MANA... Bought 547.6 Thousand shares of ImmunoGen Inc
FIRST TRUST ADVISORS LP Bought 465.0 Thousand shares of ImmunoGen Inc