Institutional investors hold a majority ownership of BIIB through the 93.16% 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 June 2015, these large investors purchased a net $589.5 thousand shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
JACKSON SQUARE PARTNERS LLC Bought 780.8 Thousand shares of Biogen
TEACHER RETIREMENT SYSTEM OF TEX... Bought 159.9 Thousand shares of Biogen
NEUBERGER BERMAN LLC Bought 148.4 Thousand shares of Biogen