AME vs MMM vs ROK Stock Comparison

Ametek, 3M and Rockwell Automation Prices as of Oct 23, 2026 Peers: Industry group
AME Ametek Inc/
$240.00 -2.6% 1M +26.8% 1Y
Market cap
$55.62B
P/E
35.3x
Revenue (TTM)
$7.86B
Div. yield
0.01%
Industrial Machinery Industrials
7 wins
MMM 3M Co
$173.47 +1.9% 1M +1.1% 1Y
Market cap
$89.47B
P/E
25.3x
Revenue (TTM)
$25.25B
Div. yield
0.02%
Industrial Machinery Industrials
5 wins
ROK Rockwell Automation, Inc
$426.18 -1.6% 1M +19.3% 1Y
Market cap
$47.75B
P/E
39.8x
Revenue (TTM)
$8.97B
Div. yield
–
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.

QuestionAMEMMMROKLeader
Larger companyMarket capitalisation $55.62B $89.47B $47.75B MMM
Cheaper on earningsLower P/E, profitable companies only 35.3x 25.3x 39.8x MMM
Cheaper on forward earningsLower price / next fiscal year consensus EPS 29.3x 19.8x 34.1x MMM
Faster revenue growthRevenue growth, trailing twelve months +12.7% +1.7% +11.3% AME
More profitableNet margin, trailing twelve months 20.0% 14.0% 13.4% AME
Better return on capitalReturn on invested capital 12.8% 22.0% 21.0% MMM
Less leveragedLower net debt / EBITDA 0.6x 1.6x 1.3x AME
Higher dividend yieldTrailing dividend yield 0.01% 0.02% 0.00% MMM
Better 1-year returnPrice return, last 12 months +26.8% +1.1% +19.3% AME
Better 5-year returnAnnualised price return, 5 years +12.9%/yr +2.8%/yr +6.1%/yr AME
Less volatileAnnualised volatility, 1 year 23.8% 25.6% 31.3% AME
Higher overall scoreMean of the five percentile scores vs peers 62/100 49/100 53/100 AME

Percentile Scorecard

AMEMMMROK

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

AxisAMEMMMROK
Valuation 17 #168 of 203 37 #129 of 203 15 #173 of 203
Growth 64 #69 of 188 60 #76 of 188 52 #91 of 188
Profitability 92 #16 of 187 87 #25 of 187 94 #12 of 187
Financial Health 68 #72 of 222 18 #183 of 222 32 #152 of 222
Shareholder Returns 70 #47 of 153 44 #86 of 153 74 #41 of 153
Overall 62 49 53
  • AME ranked among 222 companies in Machinery
  • MMM 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

PeriodAMEMMMROKSPY
1 month -2.6%+1.9%-1.6% -1.0%
3 months -0.9%+0.5%-7.8% +2.9%
6 months +3.0%+18.8%+6.2% +6.4%
Year to date +16.9%+8.4%+9.5% +11.4%
1 year +26.8%+1.1%+19.3% +13.1%
3 years +70.2%+130.2%+60.3% +79.4%
3 years, per year +19.4%+32.1%+17.0% +21.5%
5 years +83.0%+14.8%+34.7% +67.7%
5 years, per year +12.9%+2.8%+6.1% +10.9%
10 years +430.4%+22.4%+246.5% +255.2%
10 years, per year +18.2%+2.0%+13.2% +13.5%

Risk

MeasureAMEMMMROKSPY
Volatility, 1Y 23.8%25.6%31.3% 12.7%
Downside volatility, 1Y 22.6%24.7%31.7% 12.7%
Beta vs S&P 500, 1Y 0.950.681.39 1.00
Return / volatility, 1Y 1.130.040.62 1.03
Max drawdown, 5Y -27.3%-53.4%-45.6% -25.4%
From 52-week high -7.2%-5.6%-13.9% -2.5%
52-week high $258.54$183.81$495.08 $779.14
52-week low $184.19$141.20$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.

MultipleAMEMMMROK
P/E now vs peer median 34.9xmedian 25.9x 25.5xmedian 25.9x 39.4xmedian 25.9x
P/S now vs peer median 7.0xmedian 1.9x 3.6xmedian 1.9x 5.3xmedian 1.9x
EV/EBITDA now vs peer median 23.0xmedian 13.7x 16.1xmedian 13.7x 23.9xmedian 13.7x
P/FCF now vs peer median 30.2xmedian 21.1x 33.5xmedian 21.1x 31.5xmedian 21.1x
P/B now vs peer median 4.9xmedian 2.3x 21.5xmedian 2.3x 13.5xmedian 2.3x
PEG now vs peer median 4.01median 1.19 0.71median 1.19 -8.98median 1.19

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 monthsAMEMMMROK
Revenue $7.86B $25.25B $8.97B
Gross profit $2.86B $9.98B $4.41B
Operating income $2.04B $4.74B $1.77B
Net income $1.58B $3.58B $1.20B
Free cash flow $1.82B $2.68B $1.50B
R&D – $1.21B $716.00M
EPS (diluted) $6.86 $6.77 $10.76
Cash & equivalents $495.45M $4.84B $479.00M
Total debt $8.62B $15.00B $13.81B
Shares (diluted) 229.86M 522.60M 111.60M
Enterprise value $53.75B $70.91B $45.94B

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
MetricAMEMMMROK
P/E 34.9x 25.5x 39.4x
P/FCF 30.2x 33.5x 31.5x
P/Operating cash flow 28.1x 24.7x 27.3x
P/S 7.0x 3.6x 5.3x
P/B 4.9x 21.5x 13.5x
P/Tangible book 7.8x 42.3x 17.0x
EV/EBITDA 23.0x 16.1x 23.9x
EV/EBIT 27.8x 21.0x 28.3x
EV/Revenue 7.2x 3.9x 5.6x
EV/FCF 31.0x 37.2x 33.3x
EV/Operating cash flow 28.9x 27.4x 28.9x
PEG (3Y EPS CAGR) 4.01 0.71 -8.98

Growth

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

Profitability

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

Financial Health

11 metrics
MetricAMEMMMROK
Debt / assets 12.3% 37.9% 29.4%
Debt / equity 0.2x 3.6x 0.9x
Net debt / EBITDA 0.6x 1.6x 1.3x
Debt / FCF 1.1x 5.6x 2.2x
Liabilities / assets 32.1% 89.5% 68.5%
Equity / assets 67.9% 10.5% 31.5%
Interest coverage 21.1x – 12.8x
Current ratio 1.2x 1.4x 1.1x
Quick ratio 0.6x 0.8x 0.7x
Cash ratio 0.2x 0.4x 0.1x
Altman Z-score 8.20 4.10 5.85

Shareholder Returns

7 metrics
MetricAMEMMMROK
Dividend yield 0.6% 1.8% 1.3%
Net buyback yield 0.7% 3.0% 1.5%
Shareholder yield 1.3% 4.8% 2.8%
Payout ratio (earnings) 18.9% 44.8% –
Payout ratio (FCF) 16.3% 59.9% –
Dividend growth (1Y) 9.4% 3.2% –
Dividend CAGR (3Y) 11.3% -21.4% –

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.

ConsensusAMEMMMROK
Forward P/E 29.3xFY2026 19.8xFY2026 34.1xFY2026
EPS, next fiscal year $8.20FY2026 $8.75FY2026 $12.50FY2026
EPS growth, next FY +10.4%FY2026 +8.6%FY2026 +18.7%FY2026
EPS growth, the year after +8.4% +17.9% +12.3%
Revenue, next fiscal year $7.98BFY2026 $23.87BFY2026 $8.50BFY2026
Revenue growth, next FY +7.8%FY2026 -1.8%FY2026 +1.9%FY2026
Revenue growth, the year after +18.3% +17.4% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMEMMMROK
Held by institutions 89.6% 74.5% 89.2%
Institutions holding 1,195 2,208 1,540
Change in shares held, QoQ +2.3% +0.8% +3.5%
Institutions buying 615 914 805
Institutions selling 399 837 437
Buyers to sellers 1.54 1.09 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.

AMEMMMROK
AME 1.00 0.41 0.60
MMM 0.41 1.00 0.28
ROK 0.60 0.28 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AME, MMM and ROK?

3M (MMM) is the largest by market capitalisation: Ametek (AME) $55.62B, 3M (MMM) $89.47B, Rockwell Automation (ROK) $47.75B.

Which stock is cheaper, AME, MMM and ROK?

3M (MMM) trades on the lowest price-to-earnings ratio (Ametek (AME) 35.3x, 3M (MMM) 25.3x, Rockwell Automation (ROK) 39.8x). On next year's consensus earnings, 3M (MMM) is cheapest (Ametek (AME) 29.3x, 3M (MMM) 19.8x, Rockwell Automation (ROK) 34.1x). 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: Ametek (AME) +12.7%, 3M (MMM) +1.7%, Rockwell Automation (ROK) +11.3%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Ametek (AME) returned the most: Ametek (AME) +26.8%, 3M (MMM) +1.1%, Rockwell Automation (ROK) +19.3%. Over five years, Ametek (AME) compounded fastest (Ametek (AME) +12.9%/yr, 3M (MMM) +2.8%/yr, Rockwell Automation (ROK) +6.1%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

3M (MMM) has the highest dividend yield: Ametek (AME) 0.01%, 3M (MMM) 0.02%, Rockwell Automation (ROK) 0.00%. Rockwell Automation (ROK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ametek (AME) has been the steadiest (Ametek (AME) 23.8%, 3M (MMM) 25.6%, Rockwell Automation (ROK) 31.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AME, MMM 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.