AME vs ROK vs RRX Stock Comparison

Ametek, Rockwell Automation and Regal Rexnord Prices as of Oct 26, 2026 Peers: Industry group
AME Ametek Inc/
$242.89 -3.3% 1M +29.8% 1Y
Market cap
$56.47B
P/E
35.8x
Revenue (TTM)
$7.86B
Div. yield
0.01%
Industrial Machinery Industrials
8 wins
ROK Rockwell Automation, Inc
$429.70 -1.0% 1M +20.5% 1Y
Market cap
$48.75B
P/E
40.6x
Revenue (TTM)
$8.97B
Div. yield
–
Industrial Machinery Industrials
1 win
RRX Regal Rexnord Corp
$150.60 -3.6% 1M +2.2% 1Y
Market cap
$10.54B
P/E
32.5x
Revenue (TTM)
$6.06B
Div. yield
0.01%
Industrial Machinery Industrials
3 wins

Head to Head

12 decided of 12

Ametek leads on 8 of the 12 questions below (Ametek 8, Regal Rexnord 3, Rockwell Automation 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMEROKRRXLeader
Larger companyMarket capitalisation $56.47B $48.75B $10.54B AME
Cheaper on earningsLower P/E, profitable companies only 35.8x 40.6x 32.5x RRX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 29.6x 34.4x 14.8x RRX
Faster revenue growthRevenue growth, trailing twelve months +12.7% +11.3% +3.5% AME
More profitableNet margin, trailing twelve months 20.0% 13.4% 5.4% AME
Better return on capitalReturn on invested capital 12.8% 21.0% 5.0% ROK
Less leveragedLower net debt / EBITDA 0.6x 1.3x 3.5x AME
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.01% RRX
Better 1-year returnPrice return, last 12 months +29.8% +20.5% +2.2% AME
Better 5-year returnAnnualised price return, 5 years +13.3%/yr +6.5%/yr +0.1%/yr AME
Less volatileAnnualised volatility, 1 year 23.9% 31.3% 52.0% AME
Higher overall scoreMean of the five percentile scores vs peers 62/100 54/100 40/100 AME

Percentile Scorecard

AMEROKRRX

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

AxisAMEROKRRX
Valuation 17 #168 of 203 15 #173 of 203 56 #89 of 203
Growth 63 #70 of 187 52 #91 of 187 40 #113 of 187
Profitability 92 #15 of 185 95 #11 of 185 50 #93 of 185
Financial Health 69 #69 of 219 33 #148 of 219 29 #156 of 219
Shareholder Returns 70 #46 of 153 75 #39 of 153 27 #112 of 153
Overall 62 54 40
  • AME ranked among 222 companies in Machinery
  • ROK ranked among 222 companies in Machinery
  • RRX ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodAMEROKRRXSPY
1 month -3.3%-1.0%-3.6% -0.8%
3 months -0.1%-7.8%-28.6% +3.5%
6 months +4.3%+5.6%-29.4% +7.0%
Year to date +18.3%+10.4%+7.3% +12.2%
1 year +29.8%+20.5%+2.2% +13.0%
3 years +74.5%+64.0%+26.8% +86.3%
3 years, per year +20.4%+17.9%+8.2% +23.1%
5 years +87.0%+37.0%+0.7% +68.6%
5 years, per year +13.3%+6.5%+0.1% +11.0%
10 years +441.8%+256.2%+153.7% +258.0%
10 years, per year +18.4%+13.5%+9.8% +13.6%

Risk

MeasureAMEROKRRXSPY
Volatility, 1Y 23.9%31.3%52.0% 12.7%
Downside volatility, 1Y 22.8%31.8%54.9% 12.7%
Beta vs S&P 500, 1Y 0.971.402.19 1.00
Return / volatility, 1Y 1.250.660.04 1.02
Max drawdown, 5Y -27.3%-45.6%-48.4% -25.4%
From 52-week high -6.1%-13.2%-36.8% -1.8%
52-week high $258.54$495.08$238.19 $779.14
52-week low $184.19$348.51$128.75 $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.

MultipleAMEROKRRX
P/E now vs peer median 35.3xmedian 26.0x 39.7xmedian 26.0x 30.9xmedian 26.0x
P/S now vs peer median 7.1xmedian 1.9x 5.3xmedian 1.9x 1.7xmedian 1.9x
EV/EBITDA now vs peer median 23.3xmedian 14.0x 24.1xmedian 14.0x 11.8xmedian 14.0x
P/FCF now vs peer median 30.5xmedian 21.4x 31.7xmedian 21.4x 21.5xmedian 21.4x
P/B now vs peer median 4.9xmedian 2.2x 13.6xmedian 2.2x 1.4xmedian 2.2x
PEG now vs peer median 4.06median 1.26 -9.05median 1.26 3.35median 1.26

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 monthsAMEROKRRX
Revenue $7.86B $8.97B $6.06B
Gross profit $2.86B $4.41B $2.29B
Operating income $2.04B $1.77B $706.80M
Net income $1.58B $1.20B $324.90M
Free cash flow $1.82B $1.50B $466.30M
R&D – $716.00M –
EPS (diluted) $6.86 $10.76 $4.84
Cash & equivalents $495.45M $479.00M $441.60M
Total debt $2.04B $13.81B $4.61B
Shares (diluted) 229.86M 111.60M 66.90M
Enterprise value $54.59B $46.93B $8.77B

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
MetricAMEROKRRX
P/E 35.3x 39.7x 30.9x
P/FCF 30.5x 31.7x 21.5x
P/Operating cash flow 28.4x 27.6x 18.0x
P/S 7.1x 5.3x 1.7x
P/B 4.9x 13.6x 1.4x
P/Tangible book 7.9x 17.1x 2.7x
EV/EBITDA 23.3x 24.1x 11.8x
EV/EBIT 28.1x 28.5x 20.1x
EV/Revenue 7.3x 5.6x 2.3x
EV/FCF 31.4x 33.6x 30.5x
EV/Operating cash flow 29.2x 29.2x 25.5x
PEG (3Y EPS CAGR) 4.06 -9.05 3.35

Growth

14 metrics
MetricAMEROKRRX
Revenue growth (1Y) 12.7% 11.3% 3.5%
Revenue CAGR (3Y) 7.0% 1.3% 2.2%
Gross profit growth (1Y) 13.4% 1.9% 5.9%
Gross profit CAGR (3Y) 7.9% 7.5% 8.2%
Operating income growth (1Y) 11.2% -7.1% 9.7%
Operating income CAGR (3Y) 8.2% 2.9% 6.2%
Net income growth (1Y) 9.6% 23.8% 28.9%
Net income CAGR (3Y) 8.5% -5.5% 8.9%
EPS growth (1Y) 10.4% 25.2% 28.7%
EPS CAGR (3Y) 8.7% -4.4% 9.2%
Operating cash flow growth (1Y) 8.1% 13.8% -43.9%
Operating cash flow CAGR (3Y) 11.0% 22.8% -5.4%
Free cash flow growth (1Y) 8.4% 13.9% -47.5%
Free cash flow CAGR (3Y) 12.0% 23.6% -5.0%

Profitability

14 metrics
MetricAMEROKRRX
Gross margin 36.4% 49.1% 37.8%
EBITDA margin 31.2% 23.3% 19.9%
Operating margin 25.9% 19.7% 11.7%
Pretax margin 24.3% 14.7% 6.6%
Net margin 20.0% 13.4% 5.4%
FCF margin 23.2% 16.8% 7.7%
Operating cash flow margin 24.9% 19.3% 9.2%
Return on equity 14.2% 30.9% 4.7%
Return on assets 9.6% 9.8% 2.4%
Return on invested capital 12.8% 21.0% 5.0%
Return on capital employed 14.8% 23.6% 5.6%
Asset turnover 0.5x 0.8x 0.4x
Cash conversion (OCF / net income) 1.2x 1.4x 1.7x
Stock comp / revenue 0.6% 1.0% 0.5%

Financial Health

11 metrics
MetricAMEROKRRX
Debt / assets 12.3% 29.4% 33.5%
Debt / equity 0.2x 0.9x 0.7x
Net debt / EBITDA 0.6x 1.3x 3.5x
Debt / FCF 1.1x 2.2x 9.9x
Liabilities / assets 32.1% 68.5% 49.7%
Equity / assets 67.9% 31.5% 50.3%
Interest coverage 21.1x 12.8x 2.1x
Current ratio 1.2x 1.1x 2.3x
Quick ratio 0.6x 0.7x 0.9x
Cash ratio 0.2x 0.1x 0.4x
Altman Z-score 8.27 5.88 1.87

Shareholder Returns

7 metrics
MetricAMEROKRRX
Dividend yield 0.5% 1.3% 0.9%
Net buyback yield 0.7% 1.5% -0.1%
Shareholder yield 1.3% 2.8% 0.9%
Payout ratio (earnings) 18.9% – 28.6%
Payout ratio (FCF) 16.3% – 19.9%
Dividend growth (1Y) 9.4% – 0.0%
Dividend CAGR (3Y) 11.3% – 0.0%

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.

ConsensusAMEROKRRX
Forward P/E 29.6xFY2026 34.4xFY2026 14.8xFY2026
EPS, next fiscal year $8.20FY2026 $12.50FY2026 $10.17FY2026
EPS growth, next FY +10.4%FY2026 +18.7%FY2026 +5.4%FY2026
EPS growth, the year after +8.4% +12.3% +18.7%
Revenue, next fiscal year $7.96BFY2026 $8.50BFY2026 $6.51BFY2026
Revenue growth, next FY +7.5%FY2026 +1.9%FY2026 +9.8%FY2026
Revenue growth, the year after +18.3% +19.4% +4.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMEROKRRX
Held by institutions 89.6% 89.2% 100.0%
Institutions holding 1,195 1,540 610
Change in shares held, QoQ +2.3% +3.5% +4.5%
Institutions buying 615 805 339
Institutions selling 399 437 181
Buyers to sellers 1.54 1.84 1.87

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.

AMEROKRRX
AME 1.00 0.60 0.61
ROK 0.60 1.00 0.50
RRX 0.61 0.50 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AME, ROK and RRX?

Ametek (AME) is the largest by market capitalisation: Ametek (AME) $56.47B, Rockwell Automation (ROK) $48.75B, Regal Rexnord (RRX) $10.54B.

Which stock is cheaper, AME, ROK and RRX?

Regal Rexnord (RRX) trades on the lowest price-to-earnings ratio (Ametek (AME) 35.8x, Rockwell Automation (ROK) 40.6x, Regal Rexnord (RRX) 32.5x). On next year's consensus earnings, Regal Rexnord (RRX) is cheapest (Ametek (AME) 29.6x, Rockwell Automation (ROK) 34.4x, Regal Rexnord (RRX) 14.8x). 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%, Rockwell Automation (ROK) +11.3%, Regal Rexnord (RRX) +3.5%.

Which company is more profitable?

Ametek (AME) has the highest net margin (Ametek (AME) 20.0%, Rockwell Automation (ROK) 13.4%, Regal Rexnord (RRX) 5.4%). On return on invested capital, Rockwell Automation (ROK) leads (Ametek (AME) 12.8%, Rockwell Automation (ROK) 21.0%, Regal Rexnord (RRX) 5.0%).

Which stock has performed better?

Over the past year Ametek (AME) returned the most: Ametek (AME) +29.8%, Rockwell Automation (ROK) +20.5%, Regal Rexnord (RRX) +2.2%. Over five years, Ametek (AME) compounded fastest (Ametek (AME) +13.3%/yr, Rockwell Automation (ROK) +6.5%/yr, Regal Rexnord (RRX) +0.1%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Regal Rexnord (RRX) has the highest dividend yield: Ametek (AME) 0.01%, Rockwell Automation (ROK) 0.00%, Regal Rexnord (RRX) 0.01%. Rockwell Automation (ROK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ametek (AME) has been the steadiest (Ametek (AME) 23.9%, Rockwell Automation (ROK) 31.3%, Regal Rexnord (RRX) 52.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AME, ROK and RRX?

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 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.