Institutional investors control 11.50% of the outstanding shares in MSTX. This represents a greater percentage of ownership than at almost any other company in the Biotechnology industry. Additionally, during the quarter ended June 2016, these large investors purchased a net $2.9 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
THE VANGUARD GROUP, INC. Bought 923.5 Thousand shares of Mast Therapeutics Inc