MPLX vs SOBO vs KMI Stock Comparison

Mplx, South Bow and Kinder Morgan Prices as of Oct 27, 2026 Peers: Industry group
MPLX Mplx Lp
$58.09 +2.3% 1M +14.3% 1Y
Market cap
$59.70B
P/E
12.6x
Revenue (TTM)
$13.22B
Div. yield
0.07%
Oil and Gas Pipelines Energy
8 wins
SOBO South Bow Corp
$35.47 +4.4% 1M +36.1% 1Y
Market cap
$7.41B
P/E
16.1x
Revenue (TTM)
$2.00B
Div. yield
–
Oil and Gas Pipelines Energy
1 win
KMI Kinder Morgan, Inc.
$33.87 +10.2% 1M +29.5% 1Y
Market cap
$74.66B
P/E
20.7x
Revenue (TTM)
$18.34B
Div. yield
0.04%
Oil and Gas Pipelines Energy
3 wins

Head to Head

12 decided of 12

Mplx leads on 8 of the 12 questions below (Mplx 8, Kinder Morgan 3, South Bow 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMPLXSOBOKMILeader
Larger companyMarket capitalisation $59.70B $7.41B $74.66B KMI
Cheaper on earningsLower P/E, profitable companies only 12.6x 16.1x 20.7x MPLX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.2x 18.9x 20.8x MPLX
Faster revenue growthRevenue growth, trailing twelve months +8.7% -2.1% +11.7% KMI
More profitableNet margin, trailing twelve months 35.8% 23.0% 19.6% MPLX
Better return on capitalReturn on invested capital 14.6% 9.2% 6.3% MPLX
Less leveragedLower net debt / EBITDA 3.4x 4.4x 4.1x MPLX
Higher dividend yieldTrailing dividend yield 0.07% 0.00% 0.04% MPLX
Better 1-year returnPrice return, last 12 months +14.3% +36.1% +29.5% SOBO
Better 5-year returnAnnualised price return, 5 years +13.8%/yr — +14.3%/yr KMI
Less volatileAnnualised volatility, 1 year 17.1% 22.7% 21.2% MPLX
Higher overall scoreMean of the five percentile scores vs peers 59/100 58/100 45/100 MPLX

Percentile Scorecard

MPLXSOBOKMI

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisMPLXSOBOKMI
Valuation 41 #21 of 35 68 #12 of 35 35 #23 of 35
Growth 27 #25 of 34 55 #16 of 34 67 #12 of 34
Profitability 94 #3 of 34 67 #12 of 34 52 #17 of 34
Financial Health 62 #14 of 35 50 #18 of 35 47 #19 of 35
Shareholder Returns 70 #10 of 31 53 #15 of 31 23 #24 of 31
Overall 59 58 45
  • MPLX ranked among 35 companies in Oil and Gas Midstream
  • SOBO ranked among 35 companies in Oil and Gas Midstream
  • KMI ranked among 35 companies in Oil and Gas Midstream

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodMPLXSOBOKMISPY
1 month +2.3%+4.4%+10.2% -0.2%
3 months -1.9%-4.6%+7.1% +3.9%
6 months +5.5%+8.4%+6.5% +8.2%
Year to date +8.8%+29.1%+23.2% +12.9%
1 year +14.3%+36.1%+29.5% +12.3%
3 years +62.8%—+106.9% +87.4%
3 years, per year +17.6%—+27.4% +23.3%
5 years +90.5%—+95.2% +67.9%
5 years, per year +13.8%—+14.3% +10.9%
10 years +72.4%—+61.5% +261.1%
10 years, per year +5.6%—+4.9% +13.7%

Risk

MeasureMPLXSOBOKMISPY
Volatility, 1Y 17.1%22.7%21.2% 12.7%
Downside volatility, 1Y 17.9%22.1%20.5% 12.7%
Beta vs S&P 500, 1Y -0.05-0.20-0.22 1.00
Return / volatility, 1Y 0.841.591.39 0.97
Max drawdown, 5Y -20.1%-20.2%-20.4% -25.4%
From 52-week high -3.9%-8.3%-1.7% -1.2%
52-week high $60.43$38.69$34.44 $779.14
52-week low $50.29$25.26$25.84 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleMPLXSOBOKMI
P/E now vs peer median 12.5xmedian 20.9x 16.1xmedian 20.9x 20.9xmedian 20.9x
P/S now vs peer median 4.5xmedian 2.7x 3.7xmedian 2.7x 4.1xmedian 2.7x
EV/EBITDA now vs peer median 11.4xmedian 11.0x 10.9xmedian 11.0x 13.8xmedian 11.0x
P/FCF now vs peer median 17.7xmedian 16.5x 11.5xmedian 16.5x 24.5xmedian 16.5x
P/B now vs peer median 4.1xmedian 2.6x 2.8xmedian 2.6x 2.3xmedian 2.6x
PEG now vs peer median 2.39median 1.95 —median 1.95 1.55median 1.95

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsMPLXSOBOKMI
Revenue $13.22B $2.00B $18.34B
Gross profit $11.61B $1.72B $12.18B
Operating income $5.88B – $5.31B
Net income $4.77B $460.00M $3.71B
Free cash flow $3.34B $640.00M $3.08B
EPS (diluted) $4.66 $2.20 $1.62
Cash & equivalents $1.03B $726.00M $918.00M
Total debt $26.01B $5.73B $33.07B
Shares (diluted) 1.02B 208.80M 2.23B
Enterprise value $53.26B $5.03B $73.52B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricMPLXSOBOKMI
P/E 12.5x 16.1x 20.9x
P/FCF 17.7x 11.5x 24.5x
P/Operating cash flow 9.9x 8.8x 11.2x
P/S 4.5x 3.7x 4.1x
P/B 4.1x 2.8x 2.3x
P/Tangible book 4.6x 2.8x 2.4x
EV/EBITDA 11.4x 10.9x 13.8x
EV/EBIT 14.3x 13.9x 20.2x
EV/Revenue 6.3x 6.2x 5.9x
EV/FCF 25.1x 19.4x 34.9x
EV/Operating cash flow 14.0x 14.8x 16.0x
PEG (3Y EPS CAGR) 2.39 – 1.55

Growth

14 metrics
MetricMPLXSOBOKMI
Revenue growth (1Y) 8.7% -2.1% 11.7%
Revenue CAGR (3Y) 4.9% – 4.9%
Gross profit growth (1Y) 9.5% 1.5% 9.8%
Gross profit CAGR (3Y) 2.5% – 5.7%
Operating income growth (1Y) 11.4% – 18.9%
Operating income CAGR (3Y) 4.8% – 7.6%
Net income growth (1Y) 9.6% 53.3% 30.8%
Net income CAGR (3Y) 4.7% – 13.1%
EPS growth (1Y) 10.6% 134.7% 31.9%
EPS CAGR (3Y) 5.2% – 13.5%
Operating cash flow growth (1Y) -1.6% 30.1% 17.4%
Operating cash flow CAGR (3Y) 5.6% – 6.5%
Free cash flow growth (1Y) -32.1% 14.9% 11.8%
Free cash flow CAGR (3Y) -6.8% – -3.3%

Profitability

14 metrics
MetricMPLXSOBOKMI
Gross margin 87.8% 85.8% 66.4%
EBITDA margin 55.4% 56.9% 42.6%
Operating margin 44.4% – 29.0%
Pretax margin 36.1% 27.8% 25.8%
Net margin 35.8% 23.0% 19.6%
FCF margin 25.2% 32.0% 16.8%
Operating cash flow margin 45.2% 41.9% 36.7%
Return on equity 33.4% 17.3% 11.3%
Return on assets 11.1% 4.1% 5.0%
Return on invested capital 14.6% 9.2% 6.3%
Return on capital employed 14.8% 9.1% 7.6%
Asset turnover 0.3x 0.2x 0.2x
Cash conversion (OCF / net income) 1.3x 1.8x 1.8x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricMPLXSOBOKMI
Debt / assets 60.5% 50.4% 43.9%
Debt / equity 1.8x 2.2x 1.0x
Net debt / EBITDA 3.4x 4.4x 4.1x
Debt / FCF 7.8x 9.0x 10.7x
Liabilities / assets 66.8% 76.6% 56.5%
Equity / assets 33.2% 23.4% 43.5%
Interest coverage 5.3x 2.7x –
Current ratio 0.9x 1.5x 0.7x
Quick ratio 0.8x 1.2x 0.2x
Cash ratio 0.3x 0.5x 0.2x
Altman Z-score – 1.03 1.33

Shareholder Returns

7 metrics
MetricMPLXSOBOKMI
Dividend yield 7.4% 5.6% 3.5%
Net buyback yield 0.5% -0.1% –
Shareholder yield 7.9% 5.5% 3.5%
Payout ratio (earnings) 89.3% – 71.2%
Payout ratio (FCF) 127.5% – 85.6%
Dividend growth (1Y) 12.3% – 1.8%
Dividend CAGR (3Y) 11.8% – 1.5%

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusMPLXSOBOKMI
Forward P/E 14.2xFY2026 18.9xFY2026 20.8xFY2026
EPS, next fiscal year $4.10FY2026 $1.88FY2026 $1.63FY2026
EPS growth, next FY -14.9%FY2026 -4.6%FY2026 +25.4%FY2026
EPS growth, the year after +13.7% +3.7% -11.0%
Revenue, next fiscal year $13.68BFY2026 $2.07BFY2026 $17.89BFY2026
Revenue growth, next FY +5.2%FY2026 +4.1%FY2026 +5.6%FY2026
Revenue growth, the year after -4.0% +3.7% +0.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMPLXSOBOKMI
Held by institutions 18.8% 62.0% 69.3%
Institutions holding 625 305 1,811
Change in shares held, QoQ -3.3% -2.3% +3.3%
Institutions buying 301 126 898
Institutions selling 144 92 647
Buyers to sellers 2.09 1.37 1.39

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

MPLXSOBOKMI
MPLX 1.00 0.36 0.44
SOBO 0.36 1.00 0.55
KMI 0.44 0.55 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MPLX, SOBO and KMI?

Kinder Morgan (KMI) is the largest by market capitalisation: Mplx (MPLX) $59.70B, South Bow (SOBO) $7.41B, Kinder Morgan (KMI) $74.66B.

Which stock is cheaper, MPLX, SOBO and KMI?

Mplx (MPLX) trades on the lowest price-to-earnings ratio (Mplx (MPLX) 12.6x, South Bow (SOBO) 16.1x, Kinder Morgan (KMI) 20.7x). On next year's consensus earnings, Mplx (MPLX) is cheapest (Mplx (MPLX) 14.2x, South Bow (SOBO) 18.9x, Kinder Morgan (KMI) 20.8x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Kinder Morgan (KMI) grew revenue fastest over the trailing twelve months: Mplx (MPLX) +8.7%, South Bow (SOBO) -2.1%, Kinder Morgan (KMI) +11.7%.

Which company is more profitable?

Mplx (MPLX) has the highest net margin (Mplx (MPLX) 35.8%, South Bow (SOBO) 23.0%, Kinder Morgan (KMI) 19.6%). On return on invested capital, Mplx (MPLX) leads (Mplx (MPLX) 14.6%, South Bow (SOBO) 9.2%, Kinder Morgan (KMI) 6.3%).

Which stock has performed better?

Over the past year South Bow (SOBO) returned the most: Mplx (MPLX) +14.3%, South Bow (SOBO) +36.1%, Kinder Morgan (KMI) +29.5%. Over five years, Kinder Morgan (KMI) compounded fastest (Mplx (MPLX) +13.8%/yr, Kinder Morgan (KMI) +14.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Mplx (MPLX) has the highest dividend yield: Mplx (MPLX) 0.07%, South Bow (SOBO) 0.00%, Kinder Morgan (KMI) 0.04%. South Bow (SOBO) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Mplx (MPLX) has been the steadiest (Mplx (MPLX) 17.1%, South Bow (SOBO) 22.7%, Kinder Morgan (KMI) 21.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MPLX, SOBO and KMI?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Mplx (MPLX) leads on 8. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.