Institutional investors hold a majority ownership of BIIB through the 91.89% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Biotechnology industry.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
NORDEA INVESTMENT MANAGEMENT AB ... Bought 133.1 Thousand shares of Biogen
OLD MUTUAL GLOBAL INVESTORS (UK)... Bought 128.9 Thousand shares of Biogen
VERDE SERVIÇOS INTERNACIONAIS SA Bought 108.4 Thousand shares of Biogen