Institutional investors hold a majority ownership of BIIB through the 91.74% 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 March 2018, these large investors purchased a net $1.8 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
ARROWSTREET CAPITAL LP Bought 1.1 Million shares of Biogen Inc
DEUTSCHE ASSET MANAGEMENT INVEST... Bought 1.1 Million shares of Biogen Inc
RENAISSANCE TECHNOLOGIES LLC Bought 627.7 Thousand shares of Biogen Inc