MMM vs AME vs ROK Stock Comparison

3M, Ametek and Rockwell Automation Prices as of Oct 29, 2026 Peers: Industry group
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MMM 3M Co
$177.38 +5.3% 1M +7.7% 1Y
Market cap
$91.66B
P/E
26.0x
Revenue (TTM)
$25.25B
Div. yield
1.73%
Industrial Machinery Industrials
5 wins
AME Ametek Inc/
$251.75 +0.4% 1M +36.7% 1Y
Market cap
$57.72B
P/E
36.6x
Revenue (TTM)
$7.86B
Div. yield
0.53%
Industrial Machinery Industrials
7 wins
ROK Rockwell Automation, Inc
$451.43 +4.7% 1M +22.6% 1Y
Market cap
$50.13B
P/E
41.8x
Revenue (TTM)
$8.97B
Div. yield
1.22%
Industrial Machinery Industrials

Head to Head

12 decided of 12

Ametek leads on 7 of the 12 questions below (Ametek 7, 3M 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionMMMAMEROKLeader
Larger companyMarket capitalisation $91.66B $57.72B $50.13B MMM
Cheaper on earningsLower P/E, profitable companies only 26.0x 36.6x 41.8x MMM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 20.0x 30.7x 36.1x MMM
Faster revenue growthRevenue growth, trailing twelve months +1.7% +12.7% +11.3% AME
More profitableNet margin, trailing twelve months 14.0% 20.0% 13.4% AME
Better return on capitalReturn on invested capital 22.0% 12.8% 21.0% MMM
Less leveragedLower net debt / EBITDA 1.6x 0.6x 1.3x AME
Higher dividend yieldTrailing dividend yield 1.73% 0.53% 1.22% MMM
Better 1-year returnPrice return, last 12 months +7.7% +36.7% +22.6% AME
Better 5-year returnAnnualised price return, 5 years +3.5%/yr +13.7%/yr +7.2%/yr AME
Less volatileAnnualised volatility, 1 year 25.6% 23.9% 31.3% AME
Higher overall scoreMean of the five percentile scores vs peers 50/100 63/100 54/100 AME

Percentile Scorecard

MMMAMEROK

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

AxisMMMAMEROK
Valuation 36 #130 of 203 18 #166 of 203 15 #172 of 203
Growth 60 #75 of 188 64 #68 of 188 51 #93 of 188
Profitability 89 #22 of 183 94 #12 of 183 96 #9 of 183
Financial Health 19 #176 of 216 69 #67 of 216 34 #143 of 216
Shareholder Returns 46 #82 of 152 68 #49 of 152 76 #38 of 152
Overall 50 63 54
  • MMM ranked among 222 companies in Machinery
  • AME ranked among 222 companies in Machinery
  • ROK ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodMMMAMEROKSPY
1 month +5.3%+0.4%+4.7% +0.7%
3 months +0.7%+4.9%-4.1% +3.7%
6 months +21.1%+6.9%+10.4% +7.1%
Year to date +10.8%+22.6%+16.0% +12.8%
1 year +7.7%+36.7%+22.6% +11.9%
3 years +137.0%+79.7%+71.3% +85.2%
3 years, per year +33.3%+21.6%+19.7% +22.8%
5 years +18.7%+90.1%+41.3% +67.6%
5 years, per year +3.5%+13.7%+7.2% +10.9%
10 years +28.0%+470.5%+280.0% +262.0%
10 years, per year +2.5%+19.0%+14.3% +13.7%

Risk

MeasureMMMAMEROKSPY
Volatility, 1Y 25.6%23.9%31.3% 12.7%
Downside volatility, 1Y 24.7%22.9%31.8% 12.6%
Beta vs S&P 500, 1Y 0.680.981.40 1.00
Return / volatility, 1Y 0.301.540.72 0.94
Max drawdown, 5Y -53.4%-27.3%-45.6% -25.4%
From 52-week high -3.5%-2.6%-8.8% -1.2%
52-week high $183.81$258.54$495.08 $779.14
52-week low $141.20$184.19$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.

MultipleMMMAMEROK
P/E now vs peer median 26.0xmedian 25.8x 36.6xmedian 25.8x 41.8xmedian 25.8x
P/S now vs peer median 3.6xmedian 1.9x 7.3xmedian 1.9x 5.6xmedian 1.9x
EV/EBITDA now vs peer median 16.5xmedian 14.6x 24.1xmedian 14.6x 25.3xmedian 14.6x
P/FCF now vs peer median 34.2xmedian 22.2x 31.6xmedian 22.2x 33.3xmedian 22.2x
P/B now vs peer median 22.0xmedian 2.2x 5.1xmedian 2.2x 14.3xmedian 2.2x
PEG now vs peer median 0.73median 1.45 4.20median 1.45 -9.51median 1.45

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 monthsMMMAMEROK
Revenue $25.25B $7.86B $8.97B
Gross profit $9.98B $2.86B $4.41B
Operating income $4.74B $2.04B $1.77B
Net income $3.58B $1.58B $1.20B
Free cash flow $2.68B $1.82B $1.50B
R&D $1.21B – $716.00M
EPS (diluted) $6.77 $6.86 $10.76
Cash & equivalents $4.84B $495.45M $479.00M
Total debt $15.00B $2.04B $13.81B
Shares (diluted) 522.60M 229.86M 111.60M
Enterprise value $74.07B $55.84B $48.32B

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
MetricMMMAMEROK
P/E 26.0x 36.6x 41.8x
P/FCF 34.2x 31.6x 33.3x
P/Operating cash flow 25.3x 29.4x 28.9x
P/S 3.6x 7.3x 5.6x
P/B 22.0x 5.1x 14.3x
P/Tangible book 43.3x 8.2x 18.0x
EV/EBITDA 16.5x 24.1x 25.3x
EV/EBIT 21.4x 29.1x 29.9x
EV/Revenue 4.0x 7.5x 5.9x
EV/FCF 37.9x 32.5x 35.2x
EV/Operating cash flow 28.0x 30.2x 30.5x
PEG (3Y EPS CAGR) 0.73 4.20 -9.51

Growth

14 metrics
MetricMMMAMEROK
Revenue growth (1Y) 1.7% 12.7% 11.3%
Revenue CAGR (3Y) 10.7% 7.0% 1.3%
Gross profit growth (1Y) -1.8% 13.4% 1.9%
Gross profit CAGR (3Y) 17.0% 7.9% 7.5%
Operating income growth (1Y) -3.7% 11.2% -7.1%
Operating income CAGR (3Y) 33.4% 8.2% 2.9%
Net income growth (1Y) 4.8% 9.6% 23.8%
Net income CAGR (3Y) 35.4% 8.5% -5.5%
EPS growth (1Y) 7.1% 10.4% 25.2%
EPS CAGR (3Y) 35.8% 8.7% -4.4%
Operating cash flow growth (1Y) 42.8% 8.1% 13.8%
Operating cash flow CAGR (3Y) -18.1% 11.0% 22.8%
Free cash flow growth (1Y) 68.6% 8.4% 13.9%
Free cash flow CAGR (3Y) -18.0% 12.0% 23.6%

Profitability

14 metrics
MetricMMMAMEROK
Gross margin 39.5% 36.4% 49.1%
EBITDA margin 24.4% 31.2% 23.3%
Operating margin 18.8% 25.9% 19.7%
Pretax margin 17.5% 24.3% 14.7%
Net margin 14.0% 20.0% 13.4%
FCF margin 10.6% 23.2% 16.8%
Operating cash flow margin 14.4% 24.9% 19.3%
Return on equity 101.3% 14.2% 30.9%
Return on assets 9.8% 9.6% 9.8%
Return on invested capital 22.0% 12.8% 21.0%
Return on capital employed 18.7% 14.8% 23.6%
Asset turnover 0.7x 0.5x 0.8x
Cash conversion (OCF / net income) 1.0x 1.2x 1.4x
Stock comp / revenue 0.8% 0.6% 1.0%

Financial Health

11 metrics
MetricMMMAMEROK
Debt / assets 37.9% 12.3% 29.4%
Debt / equity 3.6x 0.2x 0.9x
Net debt / EBITDA 1.6x 0.6x 1.3x
Debt / FCF 5.6x 1.1x 2.2x
Liabilities / assets 89.5% 32.1% 68.5%
Equity / assets 10.5% 67.9% 31.5%
Interest coverage – 21.1x 12.8x
Current ratio 1.4x 1.2x 1.1x
Quick ratio 0.8x 0.6x 0.7x
Cash ratio 0.4x 0.2x 0.1x
Altman Z-score 4.14 8.50 6.07

Shareholder Returns

7 metrics
MetricMMMAMEROK
Dividend yield 1.7% 0.5% 1.2%
Net buyback yield 3.0% 0.7% 1.4%
Shareholder yield 4.7% 1.2% 2.6%
Payout ratio (earnings) 44.8% 18.9% –
Payout ratio (FCF) 59.9% 16.3% –
Dividend growth (1Y) 3.2% 9.4% –
Dividend CAGR (3Y) -21.4% 11.3% –

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.

ConsensusMMMAMEROK
Forward P/E 20.0xFY2026 30.7xFY2026 36.1xFY2026
EPS, next fiscal year $8.88FY2026 $8.20FY2026 $12.50FY2026
EPS growth, next FY +10.2%FY2026 +10.4%FY2026 +18.7%FY2026
EPS growth, the year after +16.7% +8.4% +12.3%
Revenue, next fiscal year $23.87BFY2026 $7.96BFY2026 $8.50BFY2026
Revenue growth, next FY -1.8%FY2026 +7.5%FY2026 +1.9%FY2026
Revenue growth, the year after +17.6% +18.3% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersMMMAMEROK
Held by institutions 74.5% 89.6% 89.2%
Institutions holding 2,211 1,196 1,542
Change in shares held, QoQ +0.8% +2.3% +3.5%
Institutions buying 916 615 807
Institutions selling 838 399 437
Buyers to sellers 1.09 1.54 1.85

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.

MMMAMEROK
MMM 1.00 0.41 0.28
AME 0.41 1.00 0.64
ROK 0.28 0.64 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, MMM, AME and ROK?

3M (MMM) is the largest by market capitalisation: 3M (MMM) $91.66B, Ametek (AME) $57.72B, Rockwell Automation (ROK) $50.13B.

Which stock is cheaper, MMM, AME and ROK?

3M (MMM) trades on the lowest price-to-earnings ratio (3M (MMM) 26.0x, Ametek (AME) 36.6x, Rockwell Automation (ROK) 41.8x). On next year's consensus earnings, 3M (MMM) is cheapest (3M (MMM) 20.0x, Ametek (AME) 30.7x, Rockwell Automation (ROK) 36.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Ametek (AME) grew revenue fastest over the trailing twelve months: 3M (MMM) +1.7%, Ametek (AME) +12.7%, Rockwell Automation (ROK) +11.3%.

Which company is more profitable?

Ametek (AME) has the highest net margin (3M (MMM) 14.0%, Ametek (AME) 20.0%, Rockwell Automation (ROK) 13.4%). On return on invested capital, 3M (MMM) leads (3M (MMM) 22.0%, Ametek (AME) 12.8%, Rockwell Automation (ROK) 21.0%).

Which stock has performed better?

Over the past year Ametek (AME) returned the most: 3M (MMM) +7.7%, Ametek (AME) +36.7%, Rockwell Automation (ROK) +22.6%. Over five years, Ametek (AME) compounded fastest (3M (MMM) +3.5%/yr, Ametek (AME) +13.7%/yr, Rockwell Automation (ROK) +7.2%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

3M (MMM) has the highest dividend yield: 3M (MMM) 1.73%, Ametek (AME) 0.53%, Rockwell Automation (ROK) 1.22%.

Which stock is riskier?

By one-year price volatility, Ametek (AME) has been the steadiest (3M (MMM) 25.6%, Ametek (AME) 23.9%, Rockwell Automation (ROK) 31.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, MMM, AME 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, Ametek (AME) leads on 7. 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.