APH vs ETN vs AEIS Stock Comparison

Amphenol, Eaton and Advanced Energy Industries Prices as of Oct 23, 2026 Peers: Industry group
APH Amphenol Corp /De/
$74.09 -9.9% 1M -45.2% 1Y
Market cap
$185.41B
P/E
36.0x
Revenue (TTM)
$29.01B
Div. yield
0.01%
Electrical Equipment Industrials
6 wins
ETN Eaton Corp plc
$366.04 -16.6% 1M -1.7% 1Y
Market cap
$144.17B
P/E
37.7x
Revenue (TTM)
$30.03B
Div. yield
–
Electrical Equipment Industrials
1 win

Head to Head

11 decided of 12

Amphenol leads on 6 of the 12 questions below (Amphenol 6, Advanced Energy Industries 4, Eaton 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAPHETNAEISLeader
Larger companyMarket capitalisation $185.41B $144.17B $8.60B APH
Cheaper on earningsLower P/E, profitable companies only 36.0x 37.7x 39.2x APH
Cheaper on forward earningsLower price / next fiscal year consensus EPS 28.5x 26.4x 20.2x AEIS
Faster revenue growthRevenue growth, trailing twelve months +54.2% +15.5% +24.6% APH
More profitableNet margin, trailing twelve months 17.7% 12.8% 10.8% APH
Better return on capitalReturn on invested capital 16.5% 10.3% 10.3% APH
Less leveragedLower net debt / EBITDA 1.5x 3.1x -0.4x AEIS
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -45.2% -1.7% +9.2% AEIS
Better 5-year returnAnnualised price return, 5 years +13.3%/yr +17.7%/yr +20.5%/yr AEIS
Less volatileAnnualised volatility, 1 year 85.4% 40.5% 64.9% ETN
Higher overall scoreMean of the five percentile scores vs peers 64/100 45/100 45/100 APH

Percentile Scorecard

APHETNAEIS

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

AxisAPHETNAEIS
Valuation 19 #165 of 203 14 #174 of 203 13 #177 of 203
Growth 97 #7 of 188 73 #51 of 188 77 #45 of 188
Profitability 98 #5 of 187 74 #49 of 187 56 #83 of 187
Financial Health 40 #133 of 222 20 #179 of 222 60 #90 of 222
Shareholder Returns 68 #50 of 153 43 #87 of 153 19 #124 of 153
Overall 64 45 45
  • APH ranked among 222 companies in Machinery
  • ETN ranked among 222 companies in Machinery
  • AEIS ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodAPHETNAEISSPY
1 month -9.9%-16.6%-22.5% -1.0%
3 months -51.5%-9.4%-28.7% +2.9%
6 months -50.5%-13.7%-44.1% +6.4%
Year to date -45.2%+14.9%+3.5% +11.4%
1 year -45.2%-1.7%+9.2% +13.1%
3 years +87.0%+83.4%+138.6% +79.4%
3 years, per year +23.2%+22.4%+33.7% +21.5%
5 years +86.9%+125.4%+154.4% +67.7%
5 years, per year +13.3%+17.7%+20.5% +10.9%
10 years +349.3%+474.5%+364.1% +255.2%
10 years, per year +16.2%+19.1%+16.6% +13.5%

Risk

MeasureAPHETNAEISSPY
Volatility, 1Y 85.4%40.5%64.9% 12.7%
Downside volatility, 1Y 113.7%43.6%67.5% 12.7%
Beta vs S&P 500, 1Y 1.681.852.70 1.00
Return / volatility, 1Y -0.53-0.040.14 1.03
Max drawdown, 5Y -58.6%-34.7%-44.3% -25.4%
From 52-week high -58.0%-20.4%-44.3% -2.5%
52-week high $176.32$459.94$389.05 $779.14
52-week low $73.07$315.82$188.88 $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.

MultipleAPHETNAEIS
P/E now vs peer median 35.4xmedian 25.9x 37.1xmedian 25.9x 38.4xmedian 25.9x
P/S now vs peer median 6.3xmedian 1.9x 4.7xmedian 1.9x 4.3xmedian 1.9x
EV/EBITDA now vs peer median 21.4xmedian 13.7x 24.9xmedian 13.7x 25.4xmedian 13.7x
P/FCF now vs peer median 38.8xmedian 21.1x 36.1xmedian 21.1x 99.0xmedian 21.1x
P/B now vs peer median 11.7xmedian 2.3x 7.0xmedian 2.3x 6.0xmedian 2.3x
PEG now vs peer median 0.95median 1.19 2.80median 1.19 10.46median 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 monthsAPHETNAEIS
Revenue $29.01B $30.03B $2.04B
Gross profit $11.17B $10.78B $800.50M
Operating income $7.84B $5.32B $269.20M
Net income $5.19B $3.83B $219.40M
Free cash flow $4.71B $3.93B $87.50M
R&D – $844.00M $246.60M
EPS (diluted) $1.99 $9.83 $5.19
Cash & equivalents $4.73B $483.00M $1.40B
Total debt $61.13B $20.61B $3.30B
Shares (diluted) 2.58B 389.50M 42.30M
Enterprise value $179.99B $141.35B $4.95B

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
MetricAPHETNAEIS
P/E 35.4x 37.1x 38.4x
P/FCF 38.8x 36.1x 99.0x
P/Operating cash flow 31.1x 28.7x 36.3x
P/S 6.3x 4.7x 4.3x
P/B 11.7x 7.0x 6.0x
P/Tangible book 17.7x 18.5x 6.4x
EV/EBITDA 21.4x 24.9x 25.4x
EV/EBIT 25.0x 30.5x 31.7x
EV/Revenue 6.8x 5.4x 4.2x
EV/FCF 41.6x 41.2x 97.5x
EV/Operating cash flow 33.4x 32.7x 35.7x
PEG (3Y EPS CAGR) 0.95 2.80 10.46

Growth

14 metrics
MetricAPHETNAEIS
Revenue growth (1Y) 54.2% 15.5% 24.6%
Revenue CAGR (3Y) 32.2% 10.8% 3.3%
Gross profit growth (1Y) 70.9% 8.7% 32.8%
Gross profit CAGR (3Y) 40.4% 12.3% 6.0%
Operating income growth (1Y) 86.0% 8.7% 216.7%
Operating income CAGR (3Y) 45.3% 15.9% 9.4%
Net income growth (1Y) 61.8% -2.4% 161.5%
Net income CAGR (3Y) 39.3% 12.2% 7.6%
EPS growth (1Y) 59.6% -2.0% 133.8%
EPS CAGR (3Y) 37.3% 13.3% 3.7%
Operating cash flow growth (1Y) 57.3% 21.9% 23.3%
Operating cash flow CAGR (3Y) 35.7% 14.1% 7.6%
Free cash flow growth (1Y) 67.3% 20.1% -30.8%
Free cash flow CAGR (3Y) 34.4% 13.3% -11.1%

Profitability

14 metrics
MetricAPHETNAEIS
Gross margin 38.5% 35.9% 39.3%
EBITDA margin 31.5% 21.7% 16.5%
Operating margin 27.0% 17.7% 13.2%
Pretax margin 25.2% 16.1% 12.1%
Net margin 17.7% 12.8% 10.8%
FCF margin 16.2% 13.1% 4.3%
Operating cash flow margin 20.2% 16.5% 11.7%
Return on equity 34.9% 19.1% 15.4%
Return on assets 11.9% 6.9% 7.3%
Return on invested capital 16.5% 10.3% 10.3%
Return on capital employed 23.0% 12.2% 11.3%
Asset turnover 0.7x 0.5x 0.7x
Cash conversion (OCF / net income) 1.1x 1.3x 1.1x
Stock comp / revenue 0.5% – 3.4%

Financial Health

11 metrics
MetricAPHETNAEIS
Debt / assets 42.0% 36.7% 36.9%
Debt / equity 1.2x 1.0x 0.9x
Net debt / EBITDA 1.5x 3.1x -0.4x
Debt / FCF 4.0x 5.2x 14.4x
Liabilities / assets 65.2% 63.9% 57.5%
Equity / assets 34.8% 36.1% 42.5%
Interest coverage 12.4x 12.0x 17.1x
Current ratio 1.9x 1.2x 3.8x
Quick ratio 1.3x 0.7x 2.8x
Cash ratio 0.6x 0.1x 2.2x
Altman Z-score 5.57 3.57 4.61

Shareholder Returns

7 metrics
MetricAPHETNAEIS
Dividend yield 0.7% 1.2% 0.2%
Net buyback yield 0.2% 0.4% 0.1%
Shareholder yield 0.8% 1.5% 0.3%
Payout ratio (earnings) 19.6% – –
Payout ratio (FCF) 21.6% – –
Dividend growth (1Y) 39.3% – –
Dividend CAGR (3Y) 27.7% – –

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.

ConsensusAPHETNAEIS
Forward P/E 28.5xFY2026 26.4xFY2026 20.2xFY2026
EPS, next fiscal year $2.60FY2026 $13.87FY2026 $10.73FY2026
EPS growth, next FY +55.7%FY2026 +14.9%FY2026 +67.4%FY2026
EPS growth, the year after +36.2% +14.3% +36.7%
Revenue, next fiscal year $33.29BFY2026 $31.82BFY2026 $2.55BFY2026
Revenue growth, next FY +44.2%FY2026 +15.9%FY2026 +41.5%FY2026
Revenue growth, the year after +33.4% +21.5% +25.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAPHETNAEIS
Held by institutions 96.0% 84.7% 100.0%
Institutions holding 2,330 2,640 678
Change in shares held, QoQ +2.6% +1.6% -2.0%
Institutions buying 1,360 1,398 388
Institutions selling 773 891 218
Buyers to sellers 1.76 1.57 1.78

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.

APHETNAEIS
APH 1.00 0.28 0.30
ETN 0.28 1.00 0.72
AEIS 0.30 0.72 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, APH, ETN and AEIS?

Amphenol (APH) is the largest by market capitalisation: Amphenol (APH) $185.41B, Eaton (ETN) $144.17B, Advanced Energy Industries (AEIS) $8.60B.

Which stock is cheaper, APH, ETN and AEIS?

Amphenol (APH) trades on the lowest price-to-earnings ratio (Amphenol (APH) 36.0x, Eaton (ETN) 37.7x, Advanced Energy Industries (AEIS) 39.2x). On next year's consensus earnings, Advanced Energy Industries (AEIS) is cheapest (Amphenol (APH) 28.5x, Eaton (ETN) 26.4x, Advanced Energy Industries (AEIS) 20.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amphenol (APH) grew revenue fastest over the trailing twelve months: Amphenol (APH) +54.2%, Eaton (ETN) +15.5%, Advanced Energy Industries (AEIS) +24.6%.

Which company is more profitable?

Amphenol (APH) has the highest net margin (Amphenol (APH) 17.7%, Eaton (ETN) 12.8%, Advanced Energy Industries (AEIS) 10.8%). On return on invested capital, Amphenol (APH) leads (Amphenol (APH) 16.5%, Eaton (ETN) 10.3%, Advanced Energy Industries (AEIS) 10.3%).

Which stock has performed better?

Over the past year Advanced Energy Industries (AEIS) returned the most: Amphenol (APH) -45.2%, Eaton (ETN) -1.7%, Advanced Energy Industries (AEIS) +9.2%. Over five years, Advanced Energy Industries (AEIS) compounded fastest (Amphenol (APH) +13.3%/yr, Eaton (ETN) +17.7%/yr, Advanced Energy Industries (AEIS) +20.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Amphenol (APH) 0.01%, Eaton (ETN) 0.00%, Advanced Energy Industries (AEIS) 0.00%. Eaton (ETN) and Advanced Energy Industries (AEIS) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Eaton (ETN) has been the steadiest (Amphenol (APH) 85.4%, Eaton (ETN) 40.5%, Advanced Energy Industries (AEIS) 64.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, APH, ETN and AEIS?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Amphenol (APH) leads on 6. 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.