Institutional investors purchased a net $548.1 thousand shares of TSRO during the quarter ended March 2017 and now own 86.21% of the total shares outstanding. This majority interest is a greater percentage than is typical for companies in the Biotechnology industry and highlights that the smart money sees this stock as an important holding.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
CANDRIAM BELGIUM SA Bought 31.5 Thousand shares of TESARO Inc
CREATIVE PLANNING, INC. Bought 29.2 Thousand shares of TESARO Inc
VANGUARD INVESTMENTS AUSTRALIA L... Bought 17.6 Thousand shares of TESARO Inc