Institutional investors hold a majority ownership of BIIB through the 91.62% 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 December 2017, these large investors purchased a net $3.0 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
JACKSON SQUARE PARTNERS LLC Bought 2.1 Million shares of Biogen Inc
FIDELITY MANAGEMENT & RESEARCH C... Bought 1.8 Million shares of Biogen Inc
ALLIANCEBERNSTEIN LP Bought 727.0 Thousand shares of Biogen Inc