Institutional investors hold a majority ownership of THOR through the 89.88% 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 June 2014, these large investors purchased a net $11.8 thousand shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
PERKINS INVESTMENT MANAGEMENT LL... Bought 1.2 Million shares of Thoratec Corp
BLACKROCK ADVISORS LLC Bought 494.6 Thousand shares of Thoratec Corp