Institutional investors purchased a net $4.9 million shares of TSRO during the quarter ended March 2015, and now own 76.40% 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
TEACHER RETIREMENT SYSTEM OF TEX... Bought 60.8 Thousand shares of TESARO Inc
ADVENT CAPITAL MANAGEMENT LLC Bought 4.1 Thousand shares of TESARO Inc
CANDRIAM BELGIUM SA Bought 4.0 Thousand shares of TESARO Inc