AME vs PSIX vs ROK Stock Comparison

Ametek, Power Solutions International and Rockwell Automation 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
4 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
1 win

Head to Head

12 decided of 12

Power Solutions International leads on 7 of the 12 questions below (Power Solutions International 7, Ametek 4, Rockwell Automation 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAMEPSIXROKLeader
Larger companyMarket capitalisation $56.46B $1.12B $48.77B AME
Cheaper on earningsLower P/E, profitable companies only 35.8x 16.5x 40.6x PSIX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 30.0x 15.6x 35.1x PSIX
Faster revenue growthRevenue growth, trailing twelve months +12.7% +13.2% +11.3% PSIX
More profitableNet margin, trailing twelve months 20.0% 10.0% 13.4% AME
Better return on capitalReturn on invested capital 12.8% 26.5% 21.0% PSIX
Less leveragedLower net debt / EBITDA 0.6x 0.0x 1.3x PSIX
Higher dividend yieldTrailing dividend yield 0.54% — 1.26% ROK
Better 1-year returnPrice return, last 12 months +31.9% -40.8% +21.5% AME
Better 5-year returnAnnualised price return, 5 years +13.3%/yr +62.5%/yr +6.6%/yr PSIX
Less volatileAnnualised volatility, 1 year 23.9% 110.0% 31.3% AME
Higher overall scoreMean of the five percentile scores vs peers 62/100 75/100 53/100 PSIX

Percentile Scorecard

AMEPSIXROK

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

AxisAMEPSIXROK
Valuation 18 #167 of 203 78 #46 of 203 16 #170 of 203
Growth 60 #76 of 188 62 #73 of 188 50 #94 of 188
Profitability 93 #14 of 183 86 #27 of 183 96 #9 of 183
Financial Health 69 #69 of 217 73 #59 of 217 32 #147 of 217
Shareholder Returns 68 #49 of 153 – 72 #44 of 153
Overall 62 75 53
  • AME ranked among 222 companies in Machinery
  • PSIX 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

PeriodAMEPSIXROKSPY
1 month -1.9%+4.1%+1.1% -0.2%
3 months +2.0%+74.1%-6.8% +3.9%
6 months +7.6%-29.7%+9.4% +8.2%
Year to date +20.0%-15.0%+12.9% +12.9%
1 year +31.9%-40.8%+21.5% +12.3%
3 years +76.9%+1,604.6%+67.6% +87.4%
3 years, per year +21.0%+157.5%+18.8% +23.3%
5 years +86.6%+1,029.8%+37.8% +67.9%
5 years, per year +13.3%+62.5%+6.6% +10.9%
10 years +457.3%+428.0%+271.5% +261.1%
10 years, per year +18.7%+18.1%+14.0% +13.7%

Risk

MeasureAMEPSIXROKSPY
Volatility, 1Y 23.9%110.0%31.3% 12.7%
Downside volatility, 1Y 22.8%118.0%31.8% 12.7%
Beta vs S&P 500, 1Y 0.983.541.40 1.00
Return / volatility, 1Y 1.34-0.370.69 0.97
Max drawdown, 5Y -27.3%-78.0%-45.6% -25.4%
From 52-week high -4.7%-50.8%-11.3% -1.2%
52-week high $258.54$98.77$495.08 $779.14
52-week low $184.19$25.44$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.

MultipleAMEPSIXROK
P/E now vs peer median 35.8xmedian 25.2x 16.5xmedian 25.2x 40.6xmedian 25.2x
P/S now vs peer median 7.2xmedian 1.9x 1.7xmedian 1.9x 5.4xmedian 1.9x
EV/EBITDA now vs peer median 23.6xmedian 14.0x 11.8xmedian 14.0x 24.6xmedian 14.0x
P/FCF now vs peer median 30.9xmedian 21.7x 16.7xmedian 21.7x 32.4xmedian 21.7x
P/B now vs peer median 5.0xmedian 2.3x 5.5xmedian 2.3x 14.0xmedian 2.3x
PEG now vs peer median 4.11median 1.32 0.38median 1.32 -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 monthsAMEPSIXROK
Revenue $7.86B $676.19M $8.97B
Gross profit $2.86B $161.31M $4.41B
Operating income $2.04B $87.91M $1.77B
Net income $1.58B $67.87M $1.20B
Free cash flow $1.82B $67.09M $1.50B
R&D – $19.16M $716.00M
EPS (diluted) $6.86 $2.94 $10.76
Cash & equivalents $495.45M $70.06M $479.00M
Total debt $2.04B $66.19M $13.81B
Shares (diluted) 229.86M 23.07M 111.60M
Enterprise value $54.59B $914.31M $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
MetricAMEPSIXROK
P/E 35.8x 16.5x 40.6x
P/FCF 30.9x 16.7x 32.4x
P/Operating cash flow 28.8x 15.1x 28.2x
P/S 7.2x 1.7x 5.4x
P/B 5.0x 5.5x 14.0x
P/Tangible book 8.0x 5.6x 17.5x
EV/EBITDA 23.6x 11.8x 24.6x
EV/EBIT 28.5x 12.7x 29.1x
EV/Revenue 7.4x 1.7x 5.7x
EV/FCF 31.8x 16.6x 34.3x
EV/Operating cash flow 29.6x 15.0x 29.8x
PEG (3Y EPS CAGR) 4.11 0.38 -9.25

Growth

14 metrics
MetricAMEPSIXROK
Revenue growth (1Y) 12.7% 13.2% 11.3%
Revenue CAGR (3Y) 7.0% 10.6% 1.3%
Gross profit growth (1Y) 13.4% -7.3% 1.9%
Gross profit CAGR (3Y) 7.9% 15.8% 7.5%
Operating income growth (1Y) 11.2% -14.4% -7.1%
Operating income CAGR (3Y) 8.2% 29.0% 2.9%
Net income growth (1Y) 9.6% -38.8% 23.8%
Net income CAGR (3Y) 8.5% 44.2% -5.5%
EPS growth (1Y) 10.4% -38.8% 25.2%
EPS CAGR (3Y) 8.7% 43.9% -4.4%
Operating cash flow growth (1Y) 8.1% 5.2% 13.8%
Operating cash flow CAGR (3Y) 11.0% 15.8% 22.8%
Free cash flow growth (1Y) 8.4% 7.8% 13.9%
Free cash flow CAGR (3Y) 12.0% 13.6% 23.6%

Profitability

14 metrics
MetricAMEPSIXROK
Gross margin 36.4% 23.9% 49.1%
EBITDA margin 31.2% 14.0% 23.3%
Operating margin 25.9% 13.0% 19.7%
Pretax margin 24.3% 12.1% 14.7%
Net margin 20.0% 10.0% 13.4%
FCF margin 23.2% 9.9% 16.8%
Operating cash flow margin 24.9% 11.0% 19.3%
Return on equity 14.2% 34.9% 30.9%
Return on assets 9.6% 15.4% 9.8%
Return on invested capital 12.8% 26.5% 21.0%
Return on capital employed 14.8% 27.1% 23.6%
Asset turnover 0.5x 1.5x 0.8x
Cash conversion (OCF / net income) 1.2x 1.1x 1.4x
Stock comp / revenue 0.6% 0.1% 1.0%

Financial Health

11 metrics
MetricAMEPSIXROK
Debt / assets 12.3% 14.6% 29.4%
Debt / equity 0.2x 0.3x 0.9x
Net debt / EBITDA 0.6x 0.0x 1.3x
Debt / FCF 1.1x 1.0x 2.2x
Liabilities / assets 32.1% 55.2% 68.5%
Equity / assets 67.9% 44.8% 31.5%
Interest coverage 21.1x 13.4x 12.8x
Current ratio 1.2x 2.6x 1.1x
Quick ratio 0.6x 1.4x 0.7x
Cash ratio 0.2x 0.6x 0.1x
Altman Z-score 8.36 5.45 5.96

Shareholder Returns

7 metrics
MetricAMEPSIXROK
Dividend yield 0.5% – 1.3%
Net buyback yield 0.7% – 1.4%
Shareholder yield 1.2% – 2.7%
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.

ConsensusAMEPSIXROK
Forward P/E 30.0xFY2026 15.6xFY2026 35.1xFY2026
EPS, next fiscal year $8.20FY2026 $3.11FY2026 $12.50FY2026
EPS growth, next FY +10.4%FY2026 -37.6%FY2026 +18.7%FY2026
EPS growth, the year after +8.4% +22.5% +12.3%
Revenue, next fiscal year $7.96BFY2026 $656.20MFY2026 $8.50BFY2026
Revenue growth, next FY +7.5%FY2026 -9.2%FY2026 +1.9%FY2026
Revenue growth, the year after +18.3% +31.5% +19.4%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAMEPSIXROK
Held by institutions 89.6% 36.4% 89.2%
Institutions holding 1,195 158 1,540
Change in shares held, QoQ +2.3% +24.1% +3.5%
Institutions buying 615 91 805
Institutions selling 399 45 437
Buyers to sellers 1.54 2.02 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.

AMEPSIXROK
AME 1.00 0.33 0.60
PSIX 0.33 1.00 0.22
ROK 0.60 0.22 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AME, PSIX and ROK?

Ametek (AME) is the largest by market capitalisation: Ametek (AME) $56.46B, Power Solutions International (PSIX) $1.12B, Rockwell Automation (ROK) $48.77B.

Which stock is cheaper, AME, PSIX and ROK?

Power Solutions International (PSIX) trades on the lowest price-to-earnings ratio (Ametek (AME) 35.8x, Power Solutions International (PSIX) 16.5x, Rockwell Automation (ROK) 40.6x). On next year's consensus earnings, Power Solutions International (PSIX) is cheapest (Ametek (AME) 30.0x, Power Solutions International (PSIX) 15.6x, 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?

Power Solutions International (PSIX) grew revenue fastest over the trailing twelve months: Ametek (AME) +12.7%, Power Solutions International (PSIX) +13.2%, Rockwell Automation (ROK) +11.3%.

Which company is more profitable?

Ametek (AME) has the highest net margin (Ametek (AME) 20.0%, Power Solutions International (PSIX) 10.0%, Rockwell Automation (ROK) 13.4%). On return on invested capital, Power Solutions International (PSIX) leads (Ametek (AME) 12.8%, Power Solutions International (PSIX) 26.5%, Rockwell Automation (ROK) 21.0%).

Which stock has performed better?

Over the past year Ametek (AME) returned the most: Ametek (AME) +31.9%, Power Solutions International (PSIX) -40.8%, Rockwell Automation (ROK) +21.5%. Over five years, Power Solutions International (PSIX) compounded fastest (Ametek (AME) +13.3%/yr, Power Solutions International (PSIX) +62.5%/yr, Rockwell Automation (ROK) +6.6%/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%. Power Solutions International (PSIX) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Ametek (AME) has been the steadiest (Ametek (AME) 23.9%, Power Solutions International (PSIX) 110.0%, Rockwell Automation (ROK) 31.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, AME, PSIX 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, Power Solutions International (PSIX) 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.