Institutional investors hold a majority ownership of MPC through the 86.28% 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 2015, these large investors purchased a net $4.1 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
CAPITAL FUND MANAGEMENT SA Bought 1.5 Million shares of Marathon Petroleum
NUMERIC INVESTORS LLC Bought 924.0 Thousand shares of Marathon Petroleum
NORDEA INVESTMENT MANAGEMENT AB ... Bought 808.3 Thousand shares of Marathon Petroleum