Sheaff Brock Investment Advisors LLC increased its stake in MPLX, owning 19,701 shares valued at $876,000 after a recent purchase. Cherry Creek Investment Advisors and Sound Income Strategies also boosted their holdings, reflecting growing institutional interest in the pipeline company. Analysts have mixed ratings, with a consensus "Moderate Buy" and a price target of $48.44, while UBS Group raised its target to $55.00, indicating potential upside.