MPLX vs SO vs KMI Stock Comparison

Mplx, Southern and Kinder Morgan Prices as of Oct 26, 2026 Peers: Industry group
MPLX Mplx Lp
$58.65 +3.3% 1M +16.3% 1Y
Market cap
$58.97B
P/E
12.5x
Revenue (TTM)
$13.22B
Div. yield
0.07%
Oil and Gas Pipelines Energy
8 wins
SO Southern Co
$92.56 +11.7% 1M -3.5% 1Y
Market cap
$105.29B
P/E
22.6x
Revenue (TTM)
$30.18B
Div. yield
0.03%
Regulated Electric Utilities Utilities
1 win
KMI Kinder Morgan, Inc.
$33.94 +10.4% 1M +31.2% 1Y
Market cap
$75.50B
P/E
21.0x
Revenue (TTM)
$18.34B
Div. yield
0.03%
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, Southern 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMPLXSOKMILeader
Larger companyMarket capitalisation $58.97B $105.29B $75.50B SO
Cheaper on earningsLower P/E, profitable companies only 12.5x 22.6x 21.0x MPLX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 14.3x 19.1x 20.8x MPLX
Faster revenue growthRevenue growth, trailing twelve months +8.7% +6.4% +11.7% KMI
More profitableNet margin, trailing twelve months 35.8% 15.4% 19.6% MPLX
Better return on capitalReturn on invested capital 14.6% 5.1% 6.3% MPLX
Less leveragedLower net debt / EBITDA 3.4x 5.3x 4.1x MPLX
Higher dividend yieldTrailing dividend yield 0.07% 0.03% 0.03% MPLX
Better 1-year returnPrice return, last 12 months +16.3% -3.5% +31.2% KMI
Better 5-year returnAnnualised price return, 5 years +13.7%/yr +8.1%/yr +14.4%/yr KMI
Less volatileAnnualised volatility, 1 year 17.1% 17.9% 21.2% MPLX
Higher overall scoreMean of the five percentile scores vs peers 58/100 43/100 44/100 MPLX

Percentile Scorecard

MPLXSOKMI

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

AxisMPLXSOKMI
Valuation 38 #22 of 35 36 #43 of 67 32 #24 of 35
Growth 27 #25 of 34 53 #31 of 65 67 #12 of 34
Profitability 94 #3 of 34 78 #15 of 64 52 #17 of 34
Financial Health 62 #14 of 35 35 #42 of 64 47 #19 of 35
Shareholder Returns 67 #11 of 31 15 #57 of 67 23 #24 of 31
Overall 58 43 44
  • MPLX ranked among 35 companies in Oil and Gas Midstream
  • SO ranked among 67 companies in Regulated Utilities
  • 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

PeriodMPLXSOKMISPY
1 month +3.3%+11.7%+10.4% -0.8%
3 months +0.5%-4.1%+6.9% +3.5%
6 months +7.4%-1.3%+9.7% +7.0%
Year to date +9.9%+6.1%+23.5% +12.2%
1 year +16.3%-3.5%+31.2% +13.0%
3 years +64.3%+39.1%+107.3% +86.3%
3 years, per year +18.0%+11.6%+27.5% +23.1%
5 years +89.9%+47.8%+96.2% +68.6%
5 years, per year +13.7%+8.1%+14.4% +11.0%
10 years +83.7%+81.6%+57.9% +258.0%
10 years, per year +6.3%+6.1%+4.7% +13.6%

Risk

MeasureMPLXSOKMISPY
Volatility, 1Y 17.1%17.9%21.2% 12.7%
Downside volatility, 1Y 17.9%17.5%20.6% 12.7%
Beta vs S&P 500, 1Y -0.04-0.23-0.22 1.00
Return / volatility, 1Y 0.95-0.191.47 1.02
Max drawdown, 5Y -20.1%-23.3%-20.4% -25.4%
From 52-week high -2.9%-6.6%-1.5% -1.8%
52-week high $60.43$99.11$34.44 $779.14
52-week low $50.29$82.35$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.

MultipleMPLXSOKMI
P/E now vs peer median 12.6xmedian 21.0x 22.6xmedian 20.8x 21.0xmedian 21.0x
P/S now vs peer median 4.5xmedian 2.7x 3.5xmedian 2.9x 4.1xmedian 2.7x
EV/EBITDA now vs peer median 11.5xmedian 11.0x 13.1xmedian 13.1x 13.8xmedian 11.0x
P/FCF now vs peer median 17.8xmedian 16.6x -32.6xmedian 36.7x 24.5xmedian 16.6x
P/B now vs peer median 4.2xmedian 2.6x 2.5xmedian 1.7x 2.3xmedian 2.6x
PEG now vs peer median 2.42median 1.92 0.71median 2.23 1.55median 1.92

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 monthsMPLXSOKMI
Revenue $13.22B $30.18B $18.34B
Gross profit $11.61B $25.14B $12.18B
Operating income $5.88B $7.31B $5.31B
Net income $4.77B $4.66B $3.71B
Free cash flow $3.34B -$3.27B $3.08B
EPS (diluted) $4.66 $4.08 $1.62
Cash & equivalents $1.03B $2.98B $918.00M
Total debt $26.01B $295.00B $33.07B
Shares (diluted) 1.02B 1.14B 2.23B
Enterprise value $52.53B $96.35B $74.35B

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
MetricMPLXSOKMI
P/E 12.6x 22.6x 21.0x
P/FCF 17.8x -32.6x 24.5x
P/Operating cash flow 10.0x 10.0x 11.2x
P/S 4.5x 3.5x 4.1x
P/B 4.2x 2.5x 2.3x
P/Tangible book 4.6x 2.5x 2.4x
EV/EBITDA 11.5x 13.1x 13.8x
EV/EBIT 14.4x 24.5x 20.3x
EV/Revenue 6.4x 5.9x 5.9x
EV/FCF 25.3x -54.8x 35.0x
EV/Operating cash flow 14.1x 16.8x 16.0x
PEG (3Y EPS CAGR) 2.42 0.71 1.55

Growth

14 metrics
MetricMPLXSOKMI
Revenue growth (1Y) 8.7% 6.4% 11.7%
Revenue CAGR (3Y) 4.9% 3.0% 4.9%
Gross profit growth (1Y) 9.5% 5.3% 9.8%
Gross profit CAGR (3Y) 2.5% 1.6% 5.7%
Operating income growth (1Y) 11.4% 1.5% 18.9%
Operating income CAGR (3Y) 4.8% 14.7% 7.6%
Net income growth (1Y) 9.6% 8.7% 30.8%
Net income CAGR (3Y) 4.7% 16.2% 13.1%
EPS growth (1Y) 10.6% 5.6% 31.9%
EPS CAGR (3Y) 5.2% 31.9% 13.5%
Operating cash flow growth (1Y) -1.6% 15.5% 17.4%
Operating cash flow CAGR (3Y) 5.6% 23.7% 6.5%
Free cash flow growth (1Y) -32.1% -152.2% 11.8%
Free cash flow CAGR (3Y) -6.8% -3.1% -3.3%

Profitability

14 metrics
MetricMPLXSOKMI
Gross margin 87.8% 83.3% 66.4%
EBITDA margin 55.4% 45.2% 42.6%
Operating margin 44.4% 24.2% 29.0%
Pretax margin 36.1% 17.4% 25.8%
Net margin 35.8% 15.4% 19.6%
FCF margin 25.2% -10.8% 16.8%
Operating cash flow margin 45.2% 35.3% 36.7%
Return on equity 33.4% 9.2% 11.3%
Return on assets 11.1% 2.9% 5.0%
Return on invested capital 14.6% 5.1% 6.3%
Return on capital employed 14.8% 5.1% 7.6%
Asset turnover 0.3x 0.2x 0.2x
Cash conversion (OCF / net income) 1.3x 2.3x 1.8x
Stock comp / revenue – – –

Financial Health

11 metrics
MetricMPLXSOKMI
Debt / assets 60.5% 46.6% 43.9%
Debt / equity 1.8x 1.8x 1.0x
Net debt / EBITDA 3.4x 5.3x 4.1x
Debt / FCF 7.8x -23.1x 10.7x
Liabilities / assets 66.8% 73.9% 56.5%
Equity / assets 33.2% 26.1% 43.5%
Interest coverage 5.3x 2.3x –
Current ratio 0.9x 0.8x 0.7x
Quick ratio 0.8x 0.4x 0.2x
Cash ratio 0.3x 0.2x 0.2x
Altman Z-score – – 1.34

Shareholder Returns

7 metrics
MetricMPLXSOKMI
Dividend yield 7.4% 3.2% 3.5%
Net buyback yield 0.5% – –
Shareholder yield 7.9% 3.2% 3.5%
Payout ratio (earnings) 89.3% 66.6% 71.2%
Payout ratio (FCF) 127.5% -94.8% 85.6%
Dividend growth (1Y) 12.3% 4.7% 1.8%
Dividend CAGR (3Y) 11.8% 1.2% 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.

ConsensusMPLXSOKMI
Forward P/E 14.3xFY2026 19.1xFY2026 20.8xFY2026
EPS, next fiscal year $4.10FY2026 $4.84FY2026 $1.63FY2026
EPS growth, next FY -14.9%FY2026 +12.6%FY2026 +25.4%FY2026
EPS growth, the year after +13.7% -3.1% -11.0%
Revenue, next fiscal year $13.68BFY2026 $31.54BFY2026 $17.89BFY2026
Revenue growth, next FY +5.2%FY2026 +6.7%FY2026 +5.6%FY2026
Revenue growth, the year after -4.0% +8.8% +0.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMPLXSOKMI
Held by institutions 18.8% 72.5% 69.3%
Institutions holding 625 2,363 1,811
Change in shares held, QoQ -3.3% +5.7% +3.3%
Institutions buying 301 1,248 898
Institutions selling 144 724 647
Buyers to sellers 2.09 1.72 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.

MPLXSOKMI
MPLX 1.00 0.20 0.45
SO 0.20 1.00 0.37
KMI 0.45 0.37 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MPLX, SO and KMI?

Southern (SO) is the largest by market capitalisation: Mplx (MPLX) $58.97B, Southern (SO) $105.29B, Kinder Morgan (KMI) $75.50B.

Which stock is cheaper, MPLX, SO and KMI?

Mplx (MPLX) trades on the lowest price-to-earnings ratio (Mplx (MPLX) 12.5x, Southern (SO) 22.6x, Kinder Morgan (KMI) 21.0x). On next year's consensus earnings, Mplx (MPLX) is cheapest (Mplx (MPLX) 14.3x, Southern (SO) 19.1x, 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%, Southern (SO) +6.4%, Kinder Morgan (KMI) +11.7%.

Which company is more profitable?

Mplx (MPLX) has the highest net margin (Mplx (MPLX) 35.8%, Southern (SO) 15.4%, Kinder Morgan (KMI) 19.6%). On return on invested capital, Mplx (MPLX) leads (Mplx (MPLX) 14.6%, Southern (SO) 5.1%, Kinder Morgan (KMI) 6.3%).

Which stock has performed better?

Over the past year Kinder Morgan (KMI) returned the most: Mplx (MPLX) +16.3%, Southern (SO) -3.5%, Kinder Morgan (KMI) +31.2%. Over five years, Kinder Morgan (KMI) compounded fastest (Mplx (MPLX) +13.7%/yr, Southern (SO) +8.1%/yr, Kinder Morgan (KMI) +14.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Mplx (MPLX) has the highest dividend yield: Mplx (MPLX) 0.07%, Southern (SO) 0.03%, Kinder Morgan (KMI) 0.03%.

Which stock is riskier?

By one-year price volatility, Mplx (MPLX) has been the steadiest (Mplx (MPLX) 17.1%, Southern (SO) 17.9%, Kinder Morgan (KMI) 21.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MPLX, SO 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.