Institutional investors hold a majority ownership of THOR through the 96.02% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Medical Specialties industry. Last, during the quarter ended September 2014, these large investors purchased a net $2.1 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
MASSACHUSETTS FINANCIAL SERVICES... Bought 1.0 Million shares of Thoratec Corp
BALYASNY ASSET MANAGEMENT LP Bought 1.0 Million shares of Thoratec Corp