Institutional investors hold a majority ownership of MPC through the 81.64% 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 September 2016, these large investors purchased a net $3.6 million shares.
Mutual fund holders
Largest Quarterly Institutional Transactions
Latest Institutional Activity
LYXOR INTERNATIONAL ASSET MANAGE... Bought 623.4 Thousand shares of Marathon Petroleum
STATE STREET GLOBAL ADVISORS LTD... Bought 274.1 Thousand shares of Marathon Petroleum
3 BANKEN-GENERALI INVESTMENT-GES... Bought 168.8 Thousand shares of Marathon Petroleum