Institutional investors hold a majority ownership of BIIB through the 93.14% 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 2015, these large investors purchased a net $10.8 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
STEADFAST CAPITAL MANAGEMENT LP Bought 993.0 Thousand shares of Biogen
COLUMBIA MANAGEMENT INVESTMENT A... Bought 852.9 Thousand shares of Biogen
WELLINGTON MANAGEMENT CO. LLP Bought 828.7 Thousand shares of Biogen