Does MPC Own Mplx?

Does MPC Own Mplx? Does MPC own Mplx? MPLX is a diversified, growth-oriented master limited partnership formed in 2012 by Marathon Petroleum Corporation (MPC) to own, operate, develop and acquire midstream energy infrastructure assets. How much MPLX does MPC own? Marathon Petroleum owns 63.6% each of MPLX’s and ANDX’s common units. The ‘Midstream’ segment reported