Stocktoria

MPLX LP MPLX

NYSE · stock · Pipe Lines (No Natural Gas) · website · IPO 2012-10-26 · LEI

MPLX LP statistics & valuation

Market cap$57.4B
P / S4.4×
P / FCF14.0×
FCF margin31.6%
Return on capital14.9%

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports.

Profitability & efficiency

Gross margin (%)
2016201720182019202020212022202320242025
Operating margin (%)
2.80% 39.80% 42.30% 43.40% 44.30% 45.70% 2016201720182019202020212022202320242025
Return on equity (%)
2016201720182019202020212022202320242025
Shares outstanding
2016201720182019202020212022202320242025
Net debt ($)
2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
1.30% 4.10% 4.60% 2.60% -2.00% 8.70% 11.10% 10.80% 2016201720182019202020212022202320242025
Free cash flow margin (%)
5.90% 12.80% 13.70% 18.50% 44.10% 43.70% 36.30% 39.50% 41.00% 31.60% 2016201720182019202020212022202320242025
Debt / equity (×)
2016201720182019202020212022202320242025
EPS ($)
2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Operating margin45.7%44.3%43.4%42.3%39.8%2.8%————
Net margin——34.8%34.0%30.7%-9.5%11.4%26.0%20.5%7.7%
FCF margin31.6%41.0%39.5%36.3%43.7%44.1%18.5%13.7%12.8%5.9%
Return on assets——10.8%11.1%8.7%-2.0%2.6%4.6%4.1%1.3%
Current ratio1.231.011.070.790.450.730.700.630.431.14

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.