Institutional investors purchased a net $1.6 million shares of TSRO during the quarter ended June 2014 and now own 61.06% 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
FIDELITY MANAGEMENT & RESEARCH C... Bought 1.2 Million shares of TESARO Inc
T. ROWE PRICE ASSOCIATES, INC. Bought 702.2 Thousand shares of TESARO Inc