Institutional investors hold a majority ownership of MRK through the 76.07% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Pharmaceuticals: Major industry. Last, during the quarter ended March 2015, these large investors purchased a net $6.8 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
ROBECO INVESTMENT MANAGEMENT, IN... Bought 14.2 Million shares of Merck
WELLINGTON MANAGEMENT CO. LLP Bought 9.2 Million shares of Merck
THE VANGUARD GROUP, INC. Bought 6.9 Million shares of Merck