Institutional investors purchased a net $1.6 million shares of TSRO during the quarter ended June 2014, and now own 61.20% of the total float, a percentage that is typical for companies in the Biotechnology industry.
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