Institutional investors hold a majority ownership of MPC through the 82.52% 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 June 2016, these large investors purchased a net $5.6 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
DANSKE BANK A/S (INVT MGMT) Bought 27.5 Thousand shares of Marathon Petroleum