MPLX (MPLX) vs South Bow (SOBO)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
South Bow (SOBO) has outperformed MPLX (MPLX) over the past year, gaining 20.6% versus a gain of 16.6%. MPLX is the larger company by market cap ($57.08 billion vs $6.93 billion), about 8.2 times the size. On valuation, MPLX trades at a lower forward P/E (11.7x vs 17.1x for South Bow).
MPLX offers the higher dividend yield (7.65% vs 6.02%). MPLX converts more of its revenue into profit, with a net margin of 38.1% versus 21.8%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | MPLX | SOBO |
|---|---|---|
| Share price | $56.30 | $33.22 |
| Market cap | $57.08B | $6.93B |
| 1-day change | -1.78% | -1.83% |
| YTD return | +5.49% | +20.93% |
| 1-year return | +16.59% | +20.58% |
| 5-year return | +84.19% | — |
| P/E ratio (TTM) | 12.32 | 15.38 |
| Forward P/E | 11.68 | 17.11 |
| EPS (TTM) | $4.57 | $2.16 |
| Dividend yield | 7.65% | 6.02% |
| Annual dividend | $4.31 | $2.00 |
| Revenue (latest FY) | $13.00B | $1.99B |
| Revenue growth (YoY) | +8.92% | -6.32% |
| Net income (latest FY) | $4.95B | $433.00M |
| Gross margin | — | 84.24% |
| Operating margin | 45.72% | — |
| Net margin | 38.10% | 21.80% |
| 52-week high | $60.95 | $39.02 |
| 52-week low | $47.80 | $25.02 |
| Distance from 52-week high | -7.63% | -14.86% |
| Analyst consensus | buy | hold |
| Avg. price target upside | +11.63% | +6.68% |
| Average volume | 1.40M | 617.18K |
| Shares outstanding | 1.01B | 208.59M |
| Sector | Energy | Energy |
| Industry | Natural Gas Distribution | Natural Gas Distribution |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- MPLX is about 8.2 times larger than South Bow by market value ($57.08B vs $6.93B).
- MPLX offers a meaningfully higher dividend yield (7.65% vs 6.02%).
- MPLX is more profitable, keeping 38.1 cents of every revenue dollar as net income versus 21.8 cents for South Bow.
- MPLX grew revenue faster in its latest fiscal year (+8.92% vs -6.32%).
About MPLX
MPLX stock →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.
Energy · Natural Gas Distribution
About South Bow
SOBO stock →South Bow Corporation operates as an energy infrastructure company. It operates through three segments: Keystone Pipeline System, Marketing, and Intra-Alberta & Other.
Energy · Natural Gas Distribution
MPLX vs SOBO FAQ
Which is bigger, MPLX or South Bow?
MPLX (MPLX) is larger, with a market capitalization of $57.08B compared with $6.93B for South Bow (SOBO).
Which stock has performed better over the past year, MPLX or SOBO?
SOBO returned +20.58% over the past 12 months, compared with +16.59% for MPLX (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, MPLX or SOBO?
MPLX has the lower trailing P/E at 12.3, versus 15.4 for SOBO. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, MPLX or South Bow?
MPLX has the higher yield at 7.65%, compared with 6.02% for South Bow.
Are MPLX and South Bow in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Energy sector.