There is significant interest inMSTX by institutional investors. The 18.78% of outstanding shares they control represents a greater percentage of ownership than at any other company in the Biotechnology industry.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
FIRST MANHATTAN CO. Sold 300.00 shares of Mast Therapeutics Inc
SABBY CAPITAL LLC Sold 897.2 Thousand shares of Mast Therapeutics Inc