Institutional investors hold a majority ownership of MPC through the 85.36% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Oil Refining/Marketing industry. Last, during the quarter ended March 2015, these large investors purchased a net $4.9 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
BARROW, HANLEY, MEWHINNEY & STRA... Bought 2.5 Million shares of Marathon Petroleum
JPMORGAN INVESTMENT MANAGEMENT, ... Bought 1.7 Million shares of Marathon Petroleum
FIDELITY MANAGEMENT & RESEARCH C... Bought 1.4 Million shares of Marathon Petroleum