MMM vs NRG vs ROK Stock Comparison

3M, Nrg Energy and Rockwell Automation Prices as of Oct 27, 2026 Peers: Industry group
MMM 3M Co
$171.62 +1.2% 1M +1.9% 1Y
Market cap
$88.68B
P/E
25.2x
Revenue (TTM)
$25.25B
Div. yield
1.79%
Industrial Machinery Industrials
5 wins
NRG Nrg Energy, Inc.
$95.27 -5.1% 1M -44.8% 1Y
Market cap
$20.04B
P/E
25.7x
Revenue (TTM)
$33.13B
Div. yield
1.95%
Independent Power Producers Utilities
5 wins
ROK Rockwell Automation, Inc
$439.20 +1.1% 1M +21.5% 1Y
Market cap
$48.77B
P/E
40.6x
Revenue (TTM)
$8.97B
Div. yield
1.26%
Industrial Machinery Industrials
2 wins

Head to Head

12 decided of 12

3M leads on 5 of the 12 questions below (3M 5, Nrg Energy 5, Rockwell Automation 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMMMNRGROKLeader
Larger companyMarket capitalisation $88.68B $20.04B $48.77B MMM
Cheaper on earningsLower P/E, profitable companies only 25.2x 25.7x 40.6x MMM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 19.3x 11.2x 35.1x NRG
Faster revenue growthRevenue growth, trailing twelve months +1.7% +12.8% +11.3% NRG
More profitableNet margin, trailing twelve months 14.0% 2.4% 13.4% MMM
Better return on capitalReturn on invested capital 22.0% 5.8% 21.0% MMM
Less leveragedLower net debt / EBITDA 1.6x 6.2x 1.3x ROK
Higher dividend yieldTrailing dividend yield 1.79% 1.95% 1.26% NRG
Better 1-year returnPrice return, last 12 months +1.9% -44.8% +21.5% ROK
Better 5-year returnAnnualised price return, 5 years +2.7%/yr +18.5%/yr +6.6%/yr NRG
Less volatileAnnualised volatility, 1 year 25.6% 49.9% 31.3% MMM
Higher overall scoreMean of the five percentile scores vs peers 49/100 66/100 53/100 NRG

Percentile Scorecard

MMMNRGROK

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

AxisMMMNRGROK
Valuation 37 #128 of 203 70 #8 of 24 16 #170 of 203
Growth 59 #77 of 188 77 #6 of 23 50 #94 of 188
Profitability 89 #21 of 183 73 #7 of 23 96 #9 of 183
Financial Health 19 #177 of 217 17 #20 of 24 32 #147 of 217
Shareholder Returns 42 #89 of 153 95 #2 of 20 72 #44 of 153
Overall 49 66 53
  • MMM ranked among 222 companies in Machinery
  • NRG ranked among 24 companies in Power Generation
  • ROK ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodMMMNRGROKSPY
1 month +1.2%-5.1%+1.1% -0.2%
3 months -5.9%-25.3%-6.8% +3.9%
6 months +17.5%-38.5%+9.4% +8.2%
Year to date +7.2%-40.2%+12.9% +12.9%
1 year +1.9%-44.8%+21.5% +12.3%
3 years +134.5%+128.7%+67.6% +87.4%
3 years, per year +32.9%+31.8%+18.8% +23.3%
5 years +14.1%+133.2%+37.8% +67.9%
5 years, per year +2.7%+18.5%+6.6% +10.9%
10 years +23.8%+809.9%+271.5% +261.1%
10 years, per year +2.2%+24.7%+14.0% +13.7%

Risk

MeasureMMMNRGROKSPY
Volatility, 1Y 25.6%49.9%31.3% 12.7%
Downside volatility, 1Y 24.6%55.6%31.8% 12.7%
Beta vs S&P 500, 1Y 0.691.401.40 1.00
Return / volatility, 1Y 0.07-0.900.69 0.97
Max drawdown, 5Y -53.4%-49.8%-45.6% -25.4%
From 52-week high -6.6%-48.2%-11.3% -1.2%
52-week high $183.81$184.03$495.08 $779.14
52-week low $141.20$92.32$348.51 $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.

MultipleMMMNRGROK
P/E now vs peer median 25.2xmedian 25.2x 25.7xmedian 25.0x 40.6xmedian 25.2x
P/S now vs peer median 3.5xmedian 1.9x 0.6xmedian 2.8x 5.4xmedian 1.9x
EV/EBITDA now vs peer median 16.0xmedian 14.0x 11.5xmedian 11.5x 24.6xmedian 14.0x
P/FCF now vs peer median 33.1xmedian 21.7x 57.6xmedian 13.6x 32.4xmedian 21.7x
P/B now vs peer median 21.3xmedian 2.3x 4.1xmedian 2.1x 14.0xmedian 2.3x
PEG now vs peer median 0.70median 1.32 0.75median 0.60 -9.25median 1.32

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 monthsMMMNRGROK
Revenue $25.25B $33.13B $8.97B
Gross profit $9.98B $6.23B $4.41B
Operating income $4.74B $2.02B $1.77B
Net income $3.58B $849.00M $1.20B
Free cash flow $2.68B $348.00M $1.50B
R&D $1.21B – $716.00M
EPS (diluted) $6.77 $3.69 $10.76
Cash & equivalents $4.84B $162.00M $479.00M
Total debt $15.00B $23.44B $13.81B
Shares (diluted) 522.60M 212.00M 111.60M
Enterprise value $71.10B $14.26B $46.96B

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
MetricMMMNRGROK
P/E 25.2x 25.7x 40.6x
P/FCF 33.1x 57.6x 32.4x
P/Operating cash flow 24.4x 12.9x 28.2x
P/S 3.5x 0.6x 5.4x
P/B 21.3x 4.1x 14.0x
P/Tangible book 41.9x 7.4x 17.5x
EV/EBITDA 16.0x 11.5x 24.6x
EV/EBIT 20.8x 21.5x 29.1x
EV/Revenue 3.9x 1.3x 5.7x
EV/FCF 36.8x 124.5x 34.3x
EV/Operating cash flow 27.2x 27.9x 29.8x
PEG (3Y EPS CAGR) 0.70 0.75 -9.25

Growth

14 metrics
MetricMMMNRGROK
Revenue growth (1Y) 1.7% 12.8% 11.3%
Revenue CAGR (3Y) 10.7% 2.9% 1.3%
Gross profit growth (1Y) -1.8% 22.9% 1.9%
Gross profit CAGR (3Y) 17.0% 348.5% 7.5%
Operating income growth (1Y) -3.7% 57.9% -7.1%
Operating income CAGR (3Y) 33.4% 43.0% 2.9%
Net income growth (1Y) 4.8% 62.6% 23.8%
Net income CAGR (3Y) 35.4% 34.1% -5.5%
EPS growth (1Y) 7.1% 58.9% 25.2%
EPS CAGR (3Y) 35.8% 34.1% -4.4%
Operating cash flow growth (1Y) 42.8% -32.1% 13.8%
Operating cash flow CAGR (3Y) -18.1% 33.9% 22.8%
Free cash flow growth (1Y) 68.6% -75.0% 13.9%
Free cash flow CAGR (3Y) -18.0% 27.6% 23.6%

Profitability

14 metrics
MetricMMMNRGROK
Gross margin 39.5% 18.8% 49.1%
EBITDA margin 24.4% 11.4% 23.3%
Operating margin 18.8% 6.1% 19.7%
Pretax margin 17.5% 3.2% 14.7%
Net margin 14.0% 2.4% 13.4%
FCF margin 10.6% 1.1% 16.8%
Operating cash flow margin 14.4% 4.7% 19.3%
Return on equity 101.3% 17.5% 30.9%
Return on assets 9.8% 2.1% 9.8%
Return on invested capital 22.0% 5.8% 21.0%
Return on capital employed 18.7% 6.7% 23.6%
Asset turnover 0.7x 0.8x 0.8x
Cash conversion (OCF / net income) 1.0x 1.8x 1.4x
Stock comp / revenue 0.8% 0.4% 1.0%

Financial Health

11 metrics
MetricMMMNRGROK
Debt / assets 37.9% 58.7% 29.4%
Debt / equity 3.6x 4.8x 0.9x
Net debt / EBITDA 1.6x 6.2x 1.3x
Debt / FCF 5.6x 67.3x 2.2x
Liabilities / assets 89.5% 87.8% 68.5%
Equity / assets 10.5% 12.2% 31.5%
Interest coverage – 2.0x 12.8x
Current ratio 1.4x 1.0x 1.1x
Quick ratio 0.8x 0.5x 0.7x
Cash ratio 0.4x 0.0x 0.1x
Altman Z-score 4.09 1.41 5.96

Shareholder Returns

7 metrics
MetricMMMNRGROK
Dividend yield 1.8% 1.9% 1.3%
Net buyback yield 3.1% 8.2% 1.4%
Shareholder yield 4.9% 10.1% 2.7%
Payout ratio (earnings) 44.8% 51.7% –
Payout ratio (FCF) 59.9% 126.1% –
Dividend growth (1Y) 3.2% 7.6% –
Dividend CAGR (3Y) -21.4% 9.1% –

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.

ConsensusMMMNRGROK
Forward P/E 19.3xFY2026 11.2xFY2026 35.1xFY2026
EPS, next fiscal year $8.88FY2026 $8.49FY2026 $12.50FY2026
EPS growth, next FY +10.2%FY2026 +5.2%FY2026 +18.7%FY2026
EPS growth, the year after +16.7% +28.7% +12.3%
Revenue, next fiscal year $23.87BFY2026 $36.07BFY2026 $8.50BFY2026
Revenue growth, next FY -1.8%FY2026 +17.5%FY2026 +1.9%FY2026
Revenue growth, the year after +17.6% -0.9% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMMMNRGROK
Held by institutions 74.5% 93.7% 89.2%
Institutions holding 2,209 1,023 1,540
Change in shares held, QoQ +0.8% +0.7% +3.5%
Institutions buying 915 508 805
Institutions selling 837 385 437
Buyers to sellers 1.09 1.32 1.84

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.

MMMNRGROK
MMM 1.00 0.12 0.27
NRG 0.12 1.00 0.42
ROK 0.27 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, MMM, NRG and ROK?

3M (MMM) is the largest by market capitalisation: 3M (MMM) $88.68B, Nrg Energy (NRG) $20.04B, Rockwell Automation (ROK) $48.77B.

Which stock is cheaper, MMM, NRG and ROK?

3M (MMM) trades on the lowest price-to-earnings ratio (3M (MMM) 25.2x, Nrg Energy (NRG) 25.7x, Rockwell Automation (ROK) 40.6x). On next year's consensus earnings, Nrg Energy (NRG) is cheapest (3M (MMM) 19.3x, Nrg Energy (NRG) 11.2x, Rockwell Automation (ROK) 35.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Nrg Energy (NRG) grew revenue fastest over the trailing twelve months: 3M (MMM) +1.7%, Nrg Energy (NRG) +12.8%, Rockwell Automation (ROK) +11.3%.

Which company is more profitable?

3M (MMM) has the highest net margin (3M (MMM) 14.0%, Nrg Energy (NRG) 2.4%, Rockwell Automation (ROK) 13.4%). On return on invested capital, 3M (MMM) leads (3M (MMM) 22.0%, Nrg Energy (NRG) 5.8%, Rockwell Automation (ROK) 21.0%).

Which stock has performed better?

Over the past year Rockwell Automation (ROK) returned the most: 3M (MMM) +1.9%, Nrg Energy (NRG) -44.8%, Rockwell Automation (ROK) +21.5%. Over five years, Nrg Energy (NRG) compounded fastest (3M (MMM) +2.7%/yr, Nrg Energy (NRG) +18.5%/yr, Rockwell Automation (ROK) +6.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Nrg Energy (NRG) has the highest dividend yield: 3M (MMM) 1.79%, Nrg Energy (NRG) 1.95%, Rockwell Automation (ROK) 1.26%.

Which stock is riskier?

By one-year price volatility, 3M (MMM) has been the steadiest (3M (MMM) 25.6%, Nrg Energy (NRG) 49.9%, Rockwell Automation (ROK) 31.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MMM, NRG and ROK?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, 3M (MMM) leads on 5. 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.