KMI vs MPLX: Kinder Morgan vs MPLX Stock Comparison: AI Score, Valuation, Performance and Upside
Kinder Morgan is a corporation-structured pipeline company with the largest US natural gas pipeline network, while MPLX is a Marathon Petroleum-sponsored MLP with Appalachian gas gathering and refined products pipelines. Kinder Morgan offers broader institutional access; MPLX offers higher distribution yield through MLP structure.
KMI vs MPLX is large corporation pipeline infrastructure for LNG and data center demand versus high-yield MLP gas gathering and refinery logistics — Kinder Morgan wins if LNG export volumes and data center gas demand grow; MPLX wins if Appalachian gas production and Marathon refining volumes sustain high distribution coverage.
MPLX holds the edge across 4 of 5 key metrics in this comparison. MPLX leads on both 1-year return (+25.19%) and forward P/E quality (11.91x vs 20.52x for KMI), a relatively favorable combination of momentum and valuation. On fundamentals, KMI is growing revenue faster (10.80%), while MPLX maintains the higher operating margin (38.25%) — a classic growth-versus-profitability split. Analyst consensus implies meaningfully more upside for KMI (+13.46%) than for MPLX (+9.76%).
Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.
- want natural gas pipeline exposure for LNG export and data center power demand growth
- prefer corporate structure (no K-1) for simpler tax reporting vs MLP
- value Kinder Morgan's large network scale and broad fee-based cash flow diversification
- believe natural gas infrastructure is essential for the energy transition as a backup to intermittent renewables
- want a higher distribution yield from MLP structure for income-focused portfolios
- value fee-based Appalachian gas gathering tied to Marcellus and Utica shale production
- are comfortable with MLP K-1 tax complexity in exchange for MLP distribution tax advantages
- prefer Marathon Petroleum's sponsorship as a parent that has financially supported MPLX consistently
| Metric | KMI | MPLX |
|---|---|---|
| AI scorei | 42.7 | 53.1 |
| AI ranki | #845 | #898 |
| Latest closei | $32.82 | $57.12 |
| 1M returni | +6.66% | -2.23% |
| 3M returni | +0.86% | +1.73% |
| 6M returni | +3.24% | +7.33% |
| 1Y returni | +18.87% | +25.19% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | KMI | MPLX |
|---|---|---|
| 1Y ago | $12.06K (+20.6%) started 2025-10-16 | $13.57K (+35.7%) started 2025-10-15 |
| 5Y ago | $28.31K (+183.1%) started 2021-10-18 | $48.86K (+388.6%) started 2021-10-15 |
| 10Y ago | $46.07K (+360.7%) started 2016-10-17 | $184.17K (+1741.7%) started 2016-10-17 |
Hypothetical — past performance does not guarantee future results.
| Metric | KMI | MPLX |
|---|---|---|
| Market capi | $70.28B | $57.91B |
| Trailing P/Ei | 20.36 | 12.28 |
| Forward P/Ei | 20.52 | 11.91 |
| Price/Salesi | N/A | 4.81 |
| EV/Revenuei | 5.78 | 6.92 |
| Analyst targeti | $35.81 | $62.69 |
| Target upsidei | +13.46% | +9.76% |
| Metric | KMI | MPLX |
|---|---|---|
| Revenue growthi | 10.80% | 10.60% |
| Earnings growthi | 21.20% | 3.20% |
| EPS growthi | +21.20% | +3.20% |
| FCF margini | +5.99% | +11.35% |
| Operating margini | 30.06% | 38.25% |
| Profit margini | 19.30% | 39.28% |
| ROIC proxyi | 10.99% | 33.69% |
| Return on equityi | 10.99% | 33.69% |
| Dividend yieldi | 3.74% | 7.54% |
| Payout ratioi | 75.81% | 90.02% |
| Dividend growth streaki | No increase yet | 3 yrs |
| Betai | 0.55 | 0.48 |
| Debt/equityi | 98.62 | 183.36 |
| Current ratioi | 0.46 | 0.89 |
| Quick ratioi | 0.29 | 0.81 |
Over the past year, KMI and MPLX have moved moderately in the same direction (correlation of 0.45), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | KMI | MPLX |
|---|---|---|---|
| 1Y | Growthi | +20.62% | +25.19% |
| CAGRi | +20.66% | +25.21% | |
| Volatilityi | 21.04% | 16.63% | |
| Sharpe ratioi | 0.79 | 1.17 | |
| Sortino ratioi | 1.13 | 1.71 | |
| Max drawdowni | 12.12% | 7.71% | |
| Current drawdowni | 4.34% | 5.16% | |
| Avg drawdowni | 4.46% | 2.45% | |
| Ulcer Indexi | 5.48% | 3.23% | |
| Max daily dropi | 4.75% | 2.64% | |
| Max wkly dropi | 8.70% | 5.19% | |
| 5Y | Growthi | +121.54% | +184.22% |
| CAGRi | +17.26% | +23.24% | |
| Volatilityi | 22.41% | 18.77% | |
| Sharpe ratioi | 0.63 | 0.97 | |
| Sortino ratioi | 0.87 | 1.40 | |
| Max drawdowni | 20.31% | 18.46% | |
| Current drawdowni | 4.34% | 5.16% | |
| Avg drawdowni | 6.94% | 2.93% | |
| Ulcer Indexi | 8.34% | 4.28% | |
| Max daily dropi | 9.28% | 7.07% | |
| Max wkly dropi | 15.66% | 15.94% | |
| 10Y | Growthi | +157.63% | +345.27% |
| CAGRi | +9.93% | +16.12% | |
| Volatilityi | 27.38% | 30.30% | |
| Sharpe ratioi | 0.32 | 0.49 | |
| Sortino ratioi | 0.44 | 0.75 | |
| Max drawdowni | 55.13% | 75.21% | |
| Current drawdowni | 4.34% | 5.16% | |
| Avg drawdowni | 12.23% | 9.80% | |
| Ulcer Indexi | 15.85% | 16.12% | |
| Max daily dropi | 21.04% | 17.61% | |
| Max wkly dropi | 35.61% | 45.62% |
| Category | KMI | MPLX |
|---|---|---|
| Company | Kinder Morgan, Inc. | MPLX LP |
| Sector | Energy | Energy |
| Industry | Oil & Gas Midstream | Oil & Gas Midstream |
| Core business | One of the largest US energy infrastructure companies with 82,000+ miles of pipeline transporting natural gas, refined products, crude, and CO2. Kinder Morgan is structured as a corporation (not an MLP), having converted in 2014. | Midstream MLP owned ~65% by Marathon Petroleum. MPLX operates natural gas gathering and processing and refined products pipelines and storage primarily in the Midwest and Appalachia. MPLX has a high distribution yield supported by fee-based cash flows. |
| Investor focus | Natural gas pipeline volume growth from LNG export and data center demand, project backlog expansion, dividend growth, and balance sheet deleveraging. | Distributable cash flow per unit, distribution growth, Appalachian gas gathering and processing volume, and the MLP structure's tax treatment for income investors. |
- Kinder Morgan's natural gas pipeline network is essential infrastructure for US LNG export terminal feed gas supply
- Data center electricity demand is creating new natural gas pipeline volume as utilities add gas-fired generation
- Corporation structure (vs MLP) makes KMI eligible for more mainstream institutional and index fund ownership
- MPLX's fee-based cash flows from long-term contracts with Marathon Petroleum provide high distribution coverage
- Appalachian natural gas gathering provides exposure to the Marcellus and Utica shale basin production growth
- High distribution yield makes MPLX attractive for income investors seeking midstream cash flows
- Natural gas pipeline volume depends on LNG export terminal construction and US natural gas production levels
- Kinder Morgan reduced its dividend in 2015 — investors still monitor dividend coverage carefully relative to that history
- CO2 pipeline segment for enhanced oil recovery is in secular decline as US tertiary oil recovery matures
- MLP tax structure (K-1 forms) creates administrative complexity for some investors, particularly tax-exempt entities
- Marathon Petroleum's parent ownership concentration means MPLX's strategy is tied to Marathon's refining business needs
- MLP units are less liquid and widely owned than corporations like KMI
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