Health score, competitive moat, risk signals, and key metrics at a glance.
MPLX LP owns and operates midstream energy infrastructure and logistics assets primarily in the United States. It operates in two segments, Crude Oil and Products Logistics; and Natural Gas and NGL Services. The company is involved in the gathering, processing, and transportation of natural gas; gathering, transportation, fractionation, storage, and marketing of natural gas liquids; gathering, storage, transportation, and distribution of crude oil and refined products, as well as other hydrocarbon-based products and renewables; and sale of residue gas and condensate. It also engages in inland marine businesses, comprising fleet of boats and barges transport light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks in the Mid-Continent and Gulf Coast regions, as well as a marine repair facility located on the Ohio River; and distribution of fuel, as well as operates refining logistics, terminals, rail facilities, and storage caverns. In addition, it operates terminal facilities for the receipt, storage, blending, additization, handling, and redelivery of refined petroleum products through the pipeline, rail, marine, and truck transportation. MPLX GP LLC acts as the general partner of MPLX LP. The company was incorporated in 2012 and is headquartered in Findlay, Ohio. MPLX LP operates as a subsidiary of Marathon Petroleum Corporation.
Competitive analysis based on 52 quarters of fundamental data
Operating margins are stable at ~44.4%, suggesting durable pricing power and cost discipline.
Consistently high ROE averaging 32.8% suggests a durable competitive advantage and efficient capital allocation.
8 of the last 8 quarters generated positive FCF. The company generally funds itself but has occasional cash consumption quarters.
Revenue shows resilience with 5 of 7 quarters posting growth — demand is generally stable but has seen some soft patches.
Data-driven red flags and warnings across 52 quarters
Margins are stable or improving at ~44.6% — no sign of cost or pricing stress.
FCF covers net income by 1.0x on average — earnings are well-supported by cash generation.
Debt-to-equity has risen 21.6% recently — increasing financial risk even if the current ratio is manageable.
Revenue is stable or growing over recent quarters — demand appears durable.
Free cash flow is consistently positive — the business self-funds without external capital reliance.
Share count is stable — no significant dilution or buyback activity.
as of March 2026
Revenue, EBITDA, operating income, net income, EPS, and shares
Gross, EBITDA, operating, and net margin trends
P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield
Total assets, cash, debt, book value, and leverage
Operating cash flow, free cash flow, FCF margin, and earnings quality