How Institutional Investors Played MPLX in Q3 2018

How Institutional Investors Played MPLX in Q3 2018

According to a latest 13F filing, Tortoise Capital Advisors added net ~1.3 million shares of MPLX (MPLX) and held 9.5% of its total outstanding shares as of September 30. Marathon Petroleum (MPC) held ~40% in MPLX at the end of January. Marathon Petroleum formed MPLX in 2012 to own, operate, develop, and acquire midstream energy infrastructure assets.