Institutional investors hold a majority ownership of IMGN through the 91.58% 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 September 2014, these large investors purchased a net $1.6 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
FIRST TRUST ADVISORS LP Bought 1.7 Million shares of ImmunoGen Inc
CLEARBRIDGE INVESTMENTS LLC Bought 987.5 Thousand shares of ImmunoGen Inc
INVESCO POWERSHARES CAPITAL MANA... Bought 930.6 Thousand shares of ImmunoGen Inc