Institutional investors hold a majority ownership of BIIB through the 90.55% 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 2016, these large investors purchased a net $1.1 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
NORDEA INVESTMENT MANAGEMENT AB ... Bought 267.6 Thousand shares of Biogen
BNP PARIBAS ARBITRAGE SNC Bought 175.0 Thousand shares of Biogen
GLOBAL THEMATIC PARTNERS LLC Bought 101.7 Thousand shares of Biogen