APH vs AEIS vs ETN Stock Comparison

Amphenol, Advanced Energy Industries and Eaton Prices as of Oct 29, 2026 Peers: Industry group
APH Amphenol Corp /De/
$81.93 -2.9% 1M -41.4% 1Y
Market cap
$202.04B
P/E
34.0x
Revenue (TTM)
$33.05B
Div. yield
0.47%
Electrical Equipment Industrials
4 wins
ETN Eaton Corp plc
$393.63 -9.1% 1M +1.5% 1Y
Market cap
$152.89B
P/E
39.9x
Revenue (TTM)
$30.03B
Div. yield
1.10%
Electrical Equipment Industrials
4 wins

Head to Head

12 decided of 12

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

QuestionAPHAEISETNLeader
Larger companyMarket capitalisation $202.04B $9.59B $152.89B APH
Cheaper on earningsLower P/E, profitable companies only 34.0x 42.5x 39.9x APH
Cheaper on forward earningsLower price / next fiscal year consensus EPS 31.4x 22.3x 28.4x AEIS
Faster revenue growthRevenue growth, trailing twelve months +57.6% +24.6% +15.5% APH
More profitableNet margin, trailing twelve months — 10.8% 12.8% ETN
Better return on capitalReturn on invested capital — 10.3% 10.3% ETN
Less leveragedLower net debt / EBITDA — -0.4x 3.1x AEIS
Higher dividend yieldTrailing dividend yield 0.47% 0.17% 1.10% ETN
Better 1-year returnPrice return, last 12 months -41.4% +15.2% +1.5% AEIS
Better 5-year returnAnnualised price return, 5 years +16.4%/yr +21.2%/yr +19.0%/yr AEIS
Less volatileAnnualised volatility, 1 year 85.6% 65.2% 40.6% ETN
Higher overall scoreMean of the five percentile scores vs peers 47/100 45/100 45/100 APH

Percentile Scorecard

APHAEISETN

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

AxisAPHAEISETN
Valuation 15 #173 of 203 12 #178 of 203 14 #174 of 203
Growth 97 #7 of 188 77 #45 of 188 72 #53 of 188
Profitability 78 #42 of 183 56 #81 of 183 74 #49 of 183
Financial Health 27 #159 of 216 59 #89 of 216 20 #173 of 216
Shareholder Returns 21 #121 of 152 19 #124 of 152 45 #84 of 152
Overall 47 45 45
  • APH ranked among 222 companies in Machinery
  • AEIS ranked among 222 companies in Machinery
  • ETN ranked among 222 companies in Machinery

Price Performance

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

Returns

PeriodAPHAEISETNSPY
1 month -2.9%-15.4%-9.1% +0.7%
3 months -48.8%-12.6%+1.7% +3.7%
6 months -44.4%-37.6%-9.1% +7.1%
Year to date -39.4%+14.5%+23.6% +12.8%
1 year -41.4%+15.2%+1.5% +11.9%
3 years +104.9%+176.9%+99.0% +85.2%
3 years, per year +27.0%+40.5%+25.8% +22.8%
5 years +113.4%+161.1%+138.9% +67.6%
5 years, per year +16.4%+21.2%+19.0% +10.9%
10 years +400.4%+406.3%+531.0% +262.0%
10 years, per year +17.5%+17.6%+20.2% +13.7%

Risk

MeasureAPHAEISETNSPY
Volatility, 1Y 85.6%65.2%40.6% 12.7%
Downside volatility, 1Y 114.2%67.5%43.8% 12.6%
Beta vs S&P 500, 1Y 1.712.741.87 1.00
Return / volatility, 1Y -0.480.230.04 0.94
Max drawdown, 5Y -58.6%-44.3%-34.7% -25.4%
From 52-week high -53.5%-38.4%-14.4% -1.2%
52-week high $176.32$389.05$459.94 $779.14
52-week low $73.07$188.88$315.82 $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.

MultipleAPHAEISETN
P/E now vs peer median 34.0xmedian 25.8x 42.5xmedian 25.8x 39.9xmedian 25.8x
P/S now vs peer median 6.1xmedian 1.9x 4.7xmedian 1.9x 5.1xmedian 1.9x
EV/EBITDA now vs peer median —median 14.6x 28.2xmedian 14.6x 26.6xmedian 14.6x
P/FCF now vs peer median 44.1xmedian 22.2x 109.6xmedian 22.2x 38.9xmedian 22.2x
P/B now vs peer median 11.7xmedian 2.2x 6.6xmedian 2.2x 7.5xmedian 2.2x
PEG now vs peer median 0.77median 1.45 11.58median 1.45 3.01median 1.45

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 monthsAPHAEISETN
Revenue $33.05B $2.04B $30.03B
Gross profit $12.83B $800.50M $10.78B
Operating income $9.16B $269.20M $5.32B
Net income $5.99B $219.40M $3.83B
Free cash flow – $87.50M $3.93B
R&D – $246.60M $844.00M
EPS (diluted) $2.30 $5.19 $9.83
Cash & equivalents $4.17B $1.40B $483.00M
Total debt – $3.30B $20.61B
Shares (diluted) 2.58B 42.30M 389.50M
Enterprise value $195.70B $5.94B $150.12B

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
MetricAPHAEISETN
P/E 34.0x 42.5x 39.9x
P/FCF 44.1x 109.6x 38.9x
P/Operating cash flow 31.2x 40.1x 30.9x
P/S 6.1x 4.7x 5.1x
P/B 11.7x 6.6x 7.5x
P/Tangible book 17.0x 7.1x 19.9x
EV/EBITDA – 28.2x 26.6x
EV/EBIT – 35.1x 32.5x
EV/Revenue 6.0x 4.6x 5.8x
EV/FCF – 108.1x 43.9x
EV/Operating cash flow 30.4x 39.6x 34.9x
PEG (3Y EPS CAGR) 0.77 11.58 3.01

Growth

14 metrics
MetricAPHAEISETN
Revenue growth (1Y) 57.6% 24.6% 15.5%
Revenue CAGR (3Y) 38.4% 3.3% 10.8%
Gross profit growth (1Y) 70.2% 32.8% 8.7%
Gross profit CAGR (3Y) 47.2% 6.0% 12.3%
Operating income growth (1Y) 79.6% 216.7% 8.7%
Operating income CAGR (3Y) 53.4% 9.4% 15.9%
Net income growth (1Y) 55.4% 161.5% -2.4%
Net income CAGR (3Y) 45.7% 7.6% 12.2%
EPS growth (1Y) 54.5% 133.8% -2.0%
EPS CAGR (3Y) 43.9% 3.7% 13.3%
Operating cash flow growth (1Y) 44.0% 23.3% 21.9%
Operating cash flow CAGR (3Y) 39.4% 7.6% 14.1%
Free cash flow growth (1Y) – -30.8% 20.1%
Free cash flow CAGR (3Y) – -11.1% 13.3%

Profitability

14 metrics
MetricAPHAEISETN
Gross margin – 39.3% 35.9%
EBITDA margin – 16.5% 21.7%
Operating margin – 13.2% 17.7%
Pretax margin – 12.1% 16.1%
Net margin – 10.8% 12.8%
FCF margin – 4.3% 13.1%
Operating cash flow margin 19.6% 11.7% 16.5%
Return on equity 36.4% 15.4% 19.1%
Return on assets 13.0% 7.3% 6.9%
Return on invested capital – 10.3% 10.3%
Return on capital employed – 11.3% 12.2%
Asset turnover 0.7x 0.7x 0.5x
Cash conversion (OCF / net income) 1.1x 1.1x 1.3x
Stock comp / revenue 0.5% 3.4% –

Financial Health

11 metrics
MetricAPHAEISETN
Debt / assets – 36.9% 36.7%
Debt / equity – 0.9x 1.0x
Net debt / EBITDA – -0.4x 3.1x
Debt / FCF – 14.4x 5.2x
Liabilities / assets 63.3% 57.5% 63.9%
Equity / assets 36.7% 42.5% 36.1%
Interest coverage – 17.1x 12.0x
Current ratio 1.9x 3.8x 1.2x
Quick ratio 0.5x 2.8x 0.7x
Cash ratio 0.5x 2.2x 0.1x
Altman Z-score – 4.90 3.75

Shareholder Returns

7 metrics
MetricAPHAEISETN
Dividend yield 0.5% 0.2% 1.1%
Net buyback yield – 0.1% 0.3%
Shareholder yield 0.5% 0.2% 1.4%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

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.

ConsensusAPHAEISETN
Forward P/E 31.4xFY2026 22.3xFY2026 28.4xFY2026
EPS, next fiscal year $2.61FY2026 $10.74FY2026 $13.88FY2026
EPS growth, next FY +56.3%FY2026 +67.6%FY2026 +15.0%FY2026
EPS growth, the year after +35.6% +37.5% +14.4%
Revenue, next fiscal year $33.34BFY2026 $2.55BFY2026 $31.83BFY2026
Revenue growth, next FY +44.4%FY2026 +41.5%FY2026 +16.0%FY2026
Revenue growth, the year after +33.4% +25.2% +21.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAPHAEISETN
Held by institutions 96.0% 100.0% 84.7%
Institutions holding 2,331 679 2,643
Change in shares held, QoQ +2.6% -2.0% +1.6%
Institutions buying 1,361 388 1,400
Institutions selling 773 219 892
Buyers to sellers 1.76 1.77 1.57

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.

APHAEISETN
APH 1.00 0.30 0.28
AEIS 0.30 1.00 0.72
ETN 0.28 0.72 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, APH, AEIS and ETN?

Amphenol (APH) is the largest by market capitalisation: Amphenol (APH) $202.04B, Advanced Energy Industries (AEIS) $9.59B, Eaton (ETN) $152.89B.

Which stock is cheaper, APH, AEIS and ETN?

Amphenol (APH) trades on the lowest price-to-earnings ratio (Amphenol (APH) 34.0x, Advanced Energy Industries (AEIS) 42.5x, Eaton (ETN) 39.9x). On next year's consensus earnings, Advanced Energy Industries (AEIS) is cheapest (Amphenol (APH) 31.4x, Advanced Energy Industries (AEIS) 22.3x, Eaton (ETN) 28.4x). 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) +57.6%, Advanced Energy Industries (AEIS) +24.6%, Eaton (ETN) +15.5%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Advanced Energy Industries (AEIS) returned the most: Amphenol (APH) -41.4%, Advanced Energy Industries (AEIS) +15.2%, Eaton (ETN) +1.5%. Over five years, Advanced Energy Industries (AEIS) compounded fastest (Amphenol (APH) +16.4%/yr, Advanced Energy Industries (AEIS) +21.2%/yr, Eaton (ETN) +19.0%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Eaton (ETN) has the highest dividend yield: Amphenol (APH) 0.47%, Advanced Energy Industries (AEIS) 0.17%, Eaton (ETN) 1.10%.

Which stock is riskier?

By one-year price volatility, Eaton (ETN) has been the steadiest (Amphenol (APH) 85.6%, Advanced Energy Industries (AEIS) 65.2%, Eaton (ETN) 40.6%). Volatility measures how widely the price swings, not the risk of the business.

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

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 4. 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.