Institutional investors purchased a net $4.9 million shares of TSRO during the quarter ended March 2015 and now own 76.27% 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 12.0 Thousand shares of TESARO Inc
CREDIT SUISSE AG Bought 354.00 shares of TESARO Inc
STATE STREET GLOBAL ADVISORS LTD... Bought 24.00 shares of TESARO Inc