Institutional investors hold a majority ownership of MPC through the 83.70% 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 December 2015, these large investors purchased a net $2.2 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
WELLINGTON MANAGEMENT CO. LLP Bought 5.1 Million shares of Marathon Petroleum
CITADEL ADVISORS LLC Bought 2.3 Million shares of Marathon Petroleum
THREADNEEDLE ASSET MANAGEMENT LT... Bought 1.9 Million shares of Marathon Petroleum