AME vs ROK vs RBC Stock Comparison

Ametek, Rockwell Automation and RBC Bearings Prices as of Oct 27, 2026 Peers: Industry group
AME Ametek Inc/
$246.27 -1.9% 1M +31.9% 1Y
Market cap
$56.46B
P/E
35.8x
Revenue (TTM)
$7.86B
Div. yield
0.54%
Industrial Machinery Industrials
8 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
RBC RBC Bearings INC
$483.52 -4.5% 1M +17.6% 1Y
Market cap
$15.84B
P/E
47.6x
Revenue (TTM)
$1.95B
Div. yield
–
Industrial Machinery Industrials
2 wins

Head to Head

12 decided of 12

Ametek leads on 8 of the 12 questions below (Ametek 8, RBC Bearings 2, Rockwell Automation 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMEROKRBCLeader
Larger companyMarket capitalisation $56.46B $48.77B $15.84B AME
Cheaper on earningsLower P/E, profitable companies only 35.8x 40.6x 47.6x AME
Cheaper on forward earningsLower price / next fiscal year consensus EPS 30.0x 35.1x 34.6x AME
Faster revenue growthRevenue growth, trailing twelve months +12.7% +11.3% +17.3% RBC
More profitableNet margin, trailing twelve months 20.0% 13.4% 16.4% AME
Better return on capitalReturn on invested capital 12.8% 21.0% 8.4% ROK
Less leveragedLower net debt / EBITDA 0.6x 1.3x 1.1x AME
Higher dividend yieldTrailing dividend yield 0.54% 1.26% 0.00% ROK
Better 1-year returnPrice return, last 12 months +31.9% +21.5% +17.6% AME
Better 5-year returnAnnualised price return, 5 years +13.3%/yr +6.6%/yr +16.2%/yr RBC
Less volatileAnnualised volatility, 1 year 23.9% 31.3% 28.4% AME
Higher overall scoreMean of the five percentile scores vs peers 62/100 53/100 54/100 AME

Percentile Scorecard

AMEROKRBC

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

AxisAMEROKRBC
Valuation 18 #167 of 203 16 #170 of 203 14 #174 of 203
Growth 60 #76 of 188 50 #94 of 188 90 #19 of 188
Profitability 93 #14 of 183 96 #9 of 183 78 #41 of 183
Financial Health 69 #69 of 217 32 #147 of 217 69 #67 of 217
Shareholder Returns 68 #49 of 153 72 #44 of 153 16 #128 of 153
Overall 62 53 54
  • AME ranked among 222 companies in Machinery
  • ROK ranked among 222 companies in Machinery
  • RBC ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodAMEROKRBCSPY
1 month -1.9%+1.1%-4.5% -0.2%
3 months +2.0%-6.8%-16.1% +3.9%
6 months +7.6%+9.4%-18.7% +8.2%
Year to date +20.0%+12.9%+7.8% +12.9%
1 year +31.9%+21.5%+17.6% +12.3%
3 years +76.9%+67.6%+123.7% +87.4%
3 years, per year +21.0%+18.8%+30.8% +23.3%
5 years +86.6%+37.8%+111.6% +67.9%
5 years, per year +13.3%+6.6%+16.2% +10.9%
10 years +457.3%+271.5%+596.3% +261.1%
10 years, per year +18.7%+14.0%+21.4% +13.7%

Risk

MeasureAMEROKRBCSPY
Volatility, 1Y 23.9%31.3%28.4% 12.7%
Downside volatility, 1Y 22.8%31.8%29.1% 12.7%
Beta vs S&P 500, 1Y 0.981.401.13 1.00
Return / volatility, 1Y 1.340.690.62 0.97
Max drawdown, 5Y -27.3%-45.6%-35.5% -25.4%
From 52-week high -4.7%-11.3%-25.5% -1.2%
52-week high $258.54$495.08$648.89 $779.14
52-week low $184.19$348.51$406.45 $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.

MultipleAMEROKRBC
P/E now vs peer median 35.8xmedian 25.2x 40.6xmedian 25.2x 47.6xmedian 25.2x
P/S now vs peer median 7.2xmedian 1.9x 5.4xmedian 1.9x 8.1xmedian 1.9x
EV/EBITDA now vs peer median 23.6xmedian 14.0x 24.6xmedian 14.0x 27.6xmedian 14.0x
P/FCF now vs peer median 30.9xmedian 21.7x 32.4xmedian 21.7x 41.1xmedian 21.7x
P/B now vs peer median 5.0xmedian 2.3x 14.0xmedian 2.3x 4.6xmedian 2.3x
PEG now vs peer median 4.11median 1.32 -9.25median 1.32 2.03median 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 monthsAMEROKRBC
Revenue $7.86B $8.97B $1.95B
Gross profit $2.86B $4.41B $882.80M
Operating income $2.04B $1.77B $460.70M
Net income $1.58B $1.20B $320.60M
Free cash flow $1.82B $1.50B $385.20M
R&D – $716.00M –
EPS (diluted) $6.86 $10.76 $10.11
Cash & equivalents $495.45M $479.00M $124.50M
Total debt $2.04B $13.81B $806.20M
Shares (diluted) 229.86M 111.60M 31.71M
Enterprise value $54.59B $46.96B $15.46B

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
MetricAMEROKRBC
P/E 35.8x 40.6x 47.6x
P/FCF 30.9x 32.4x 41.1x
P/Operating cash flow 28.8x 28.2x 33.9x
P/S 7.2x 5.4x 8.1x
P/B 5.0x 14.0x 4.6x
P/Tangible book 8.0x 17.5x 7.5x
EV/EBITDA 23.6x 24.6x 27.6x
EV/EBIT 28.5x 29.1x 35.9x
EV/Revenue 7.4x 5.7x 8.5x
EV/FCF 31.8x 34.3x 42.9x
EV/Operating cash flow 29.6x 29.8x 35.3x
PEG (3Y EPS CAGR) 4.11 -9.25 2.03

Growth

14 metrics
MetricAMEROKRBC
Revenue growth (1Y) 12.7% 11.3% 17.3%
Revenue CAGR (3Y) 7.0% 1.3% 9.2%
Gross profit growth (1Y) 13.4% 1.9% 19.7%
Gross profit CAGR (3Y) 7.9% 7.5% 11.8%
Operating income growth (1Y) 11.2% -7.1% 23.3%
Operating income CAGR (3Y) 8.2% 2.9% 13.7%
Net income growth (1Y) 9.6% 23.8% 26.6%
Net income CAGR (3Y) 8.5% -5.5% 21.4%
EPS growth (1Y) 10.4% 25.2% 29.3%
EPS CAGR (3Y) 8.7% -4.4% 23.5%
Operating cash flow growth (1Y) 8.1% 13.8% 47.8%
Operating cash flow CAGR (3Y) 11.0% 22.8% 27.9%
Free cash flow growth (1Y) 8.4% 13.9% 48.3%
Free cash flow CAGR (3Y) 12.0% 23.6% 28.3%

Profitability

14 metrics
MetricAMEROKRBC
Gross margin 36.4% 49.1% 45.2%
EBITDA margin 31.2% 23.3% 30.6%
Operating margin 25.9% 19.7% 23.6%
Pretax margin 24.3% 14.7% 21.1%
Net margin 20.0% 13.4% 16.4%
FCF margin 23.2% 16.8% 19.7%
Operating cash flow margin 24.9% 19.3% 23.9%
Return on equity 14.2% 30.9% 9.4%
Return on assets 9.6% 9.8% 6.2%
Return on invested capital 12.8% 21.0% 8.4%
Return on capital employed 14.8% 23.6% 9.9%
Asset turnover 0.5x 0.8x 0.4x
Cash conversion (OCF / net income) 1.2x 1.4x 1.5x
Stock comp / revenue 0.6% 1.0% 1.3%

Financial Health

11 metrics
MetricAMEROKRBC
Debt / assets 12.3% 29.4% 15.5%
Debt / equity 0.2x 0.9x 0.2x
Net debt / EBITDA 0.6x 1.3x 1.1x
Debt / FCF 1.1x 2.2x 2.1x
Liabilities / assets 32.1% 68.5% 33.4%
Equity / assets 67.9% 31.5% 66.6%
Interest coverage 21.1x 12.8x 4.4x
Current ratio 1.2x 1.1x 2.5x
Quick ratio 0.6x 0.7x 0.9x
Cash ratio 0.2x 0.1x 0.2x
Altman Z-score 8.36 5.96 6.82

Shareholder Returns

7 metrics
MetricAMEROKRBC
Dividend yield 0.5% 1.3% –
Net buyback yield 0.7% 1.4% -0.1%
Shareholder yield 1.2% 2.7% -0.1%
Payout ratio (earnings) 18.9% – –
Payout ratio (FCF) 16.3% – –
Dividend growth (1Y) 9.4% – –
Dividend CAGR (3Y) 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.

ConsensusAMEROKRBC
Forward P/E 30.0xFY2026 35.1xFY2026 34.6xFY2026
EPS, next fiscal year $8.20FY2026 $12.50FY2026 $13.97FY2026
EPS growth, next FY +10.4%FY2026 +18.7%FY2026 +12.8%FY2026
EPS growth, the year after +8.4% +12.3% +13.4%
Revenue, next fiscal year $7.96BFY2026 $8.50BFY2026 $2.00BFY2026
Revenue growth, next FY +7.5%FY2026 +1.9%FY2026 +6.8%FY2026
Revenue growth, the year after +18.3% +19.4% +24.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMEROKRBC
Held by institutions 89.6% 89.2% 95.3%
Institutions holding 1,195 1,540 685
Change in shares held, QoQ +2.3% +3.5% +1.5%
Institutions buying 615 805 360
Institutions selling 399 437 240
Buyers to sellers 1.54 1.84 1.50

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.

AMEROKRBC
AME 1.00 0.60 0.65
ROK 0.60 1.00 0.51
RBC 0.65 0.51 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AME, ROK and RBC?

Ametek (AME) is the largest by market capitalisation: Ametek (AME) $56.46B, Rockwell Automation (ROK) $48.77B, RBC Bearings (RBC) $15.84B.

Which stock is cheaper, AME, ROK and RBC?

Ametek (AME) trades on the lowest price-to-earnings ratio (Ametek (AME) 35.8x, Rockwell Automation (ROK) 40.6x, RBC Bearings (RBC) 47.6x). On next year's consensus earnings, Ametek (AME) is cheapest (Ametek (AME) 30.0x, Rockwell Automation (ROK) 35.1x, RBC Bearings (RBC) 34.6x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

RBC Bearings (RBC) grew revenue fastest over the trailing twelve months: Ametek (AME) +12.7%, Rockwell Automation (ROK) +11.3%, RBC Bearings (RBC) +17.3%.

Which company is more profitable?

Ametek (AME) has the highest net margin (Ametek (AME) 20.0%, Rockwell Automation (ROK) 13.4%, RBC Bearings (RBC) 16.4%). On return on invested capital, Rockwell Automation (ROK) leads (Ametek (AME) 12.8%, Rockwell Automation (ROK) 21.0%, RBC Bearings (RBC) 8.4%).

Which stock has performed better?

Over the past year Ametek (AME) returned the most: Ametek (AME) +31.9%, Rockwell Automation (ROK) +21.5%, RBC Bearings (RBC) +17.6%. Over five years, RBC Bearings (RBC) compounded fastest (Ametek (AME) +13.3%/yr, Rockwell Automation (ROK) +6.6%/yr, RBC Bearings (RBC) +16.2%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Rockwell Automation (ROK) has the highest dividend yield: Ametek (AME) 0.54%, Rockwell Automation (ROK) 1.26%, RBC Bearings (RBC) 0.00%. RBC Bearings (RBC) 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%, RBC Bearings (RBC) 28.4%). Volatility measures how widely the price swings, not the risk of the business.

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

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.