Institutional investors hold a majority ownership of BIIB through the 90.09% 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 June 2016, these large investors purchased a net $91.7 thousand shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
VIKING GLOBAL INVESTORS LP Bought 3.0 Million shares of Biogen
CITADEL ADVISORS LLC Bought 1.0 Million shares of Biogen
INVESCO ADVISERS, INC. Bought 721.0 Thousand shares of Biogen