Institutional investors purchased a net $3.6 million shares of TSRO during the quarter ended December 2016 and now own 85.58% 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 LUXEMBOURG SA Bought 70.0 Thousand shares of TESARO Inc
SIMPLEX TRADING LLC Bought 25.0 Thousand shares of TESARO Inc
ARCTIC FUND MANAGEMENT AS (SWEDE... Bought 14.8 Thousand shares of TESARO Inc