APH vs POWL vs AEIS Stock Comparison

Amphenol, Powell Industries and Advanced Energy Industries Prices as of Oct 27, 2026 Peers: Industry group
APH Amphenol Corp /De/
$78.27 -6.9% 1M -42.4% 1Y
Market cap
$200.51B
P/E
39.0x
Revenue (TTM)
$29.01B
Div. yield
0.01%
Electrical Equipment Industrials
5 wins
POWL Powell Industries Inc
$161.36 -14.9% 1M +29.4% 1Y
Market cap
$6.08B
P/E
31.8x
Revenue (TTM)
$1.16B
Div. yield
0.00%
Electrical Equipment Industrials
5 wins

Head to Head

12 decided of 12

Amphenol leads on 5 of the 12 questions below (Amphenol 5, Powell Industries 5, Advanced Energy Industries 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionAPHPOWLAEISLeader
Larger companyMarket capitalisation $200.51B $6.08B $9.35B APH
Cheaper on earningsLower P/E, profitable companies only 39.0x 31.8x 42.6x POWL
Cheaper on forward earningsLower price / next fiscal year consensus EPS 30.0x 31.2x 21.7x AEIS
Faster revenue growthRevenue growth, trailing twelve months +54.2% +7.0% +24.6% APH
More profitableNet margin, trailing twelve months 17.7% 16.5% 10.8% APH
Better return on capitalReturn on invested capital 16.5% — 10.3% APH
Less leveragedLower net debt / EBITDA 1.5x — -0.4x AEIS
Higher dividend yieldTrailing dividend yield 0.01% 0.00% 0.00% APH
Better 1-year returnPrice return, last 12 months -42.4% +29.4% +13.5% POWL
Better 5-year returnAnnualised price return, 5 years +15.4%/yr +79.6%/yr +20.6%/yr POWL
Less volatileAnnualised volatility, 1 year 85.5% 64.2% 65.1% POWL
Higher overall scoreMean of the five percentile scores vs peers 63/100 70/100 45/100 POWL

Percentile Scorecard

APHPOWLAEIS

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

AxisAPHPOWLAEIS
Valuation 18 #166 of 203 42 #118 of 203 13 #177 of 203
Growth 97 #7 of 188 91 #18 of 188 76 #46 of 188
Profitability 98 #5 of 183 98 #4 of 183 54 #84 of 183
Financial Health 41 #129 of 217 75 #56 of 217 60 #87 of 217
Shareholder Returns 64 #56 of 153 45 #84 of 153 19 #124 of 153
Overall 63 70 45
  • APH ranked among 222 companies in Machinery
  • POWL 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

PeriodAPHPOWLAEISSPY
1 month -6.9%-14.9%-16.7% -0.2%
3 months -45.6%-19.7%-14.8% +3.9%
6 months -45.5%-36.9%-36.9% +8.2%
Year to date -42.1%+51.9%+11.2% +12.9%
1 year -42.4%+29.4%+13.5% +12.3%
3 years +97.4%+553.1%+165.2% +87.4%
3 years, per year +25.5%+87.0%+38.4% +23.3%
5 years +104.3%+1,763.3%+155.3% +67.9%
5 years, per year +15.4%+79.6%+20.6% +10.9%
10 years +378.9%+1,257.9%+392.1% +261.1%
10 years, per year +17.0%+29.8%+17.3% +13.7%

Risk

MeasureAPHPOWLAEISSPY
Volatility, 1Y 85.5%64.2%65.1% 12.7%
Downside volatility, 1Y 114.2%67.8%67.5% 12.7%
Beta vs S&P 500, 1Y 1.712.502.73 1.00
Return / volatility, 1Y -0.500.460.21 0.97
Max drawdown, 5Y -58.6%-55.9%-44.3% -25.4%
From 52-week high -55.6%-49.9%-40.1% -1.2%
52-week high $176.32$322.05$389.05 $779.14
52-week low $73.07$94.02$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.

MultipleAPHPOWLAEIS
P/E now vs peer median 37.4xmedian 25.2x 30.8xmedian 25.2x 41.3xmedian 25.2x
P/S now vs peer median 6.7xmedian 1.9x 5.1xmedian 1.9x 4.6xmedian 1.9x
EV/EBITDA now vs peer median 22.6xmedian 14.0x 22.2xmedian 14.0x 27.4xmedian 14.0x
P/FCF now vs peer median 40.9xmedian 21.7x 24.1xmedian 21.7x 106.5xmedian 21.7x
P/B now vs peer median 12.4xmedian 2.3x 7.8xmedian 2.3x 6.4xmedian 2.3x
PEG now vs peer median 1.00median 1.32 0.42median 1.32 11.25median 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 monthsAPHPOWLAEIS
Revenue $29.01B $1.16B $2.04B
Gross profit $11.17B $348.18M $800.50M
Operating income $7.84B $227.67M $269.20M
Net income $5.19B $190.86M $219.40M
Free cash flow $4.71B $243.96M $87.50M
R&D – $14.98M $246.60M
EPS (diluted) $1.99 $5.21 $5.19
Cash & equivalents $4.73B $633.56M $1.40B
Total debt $18.81B – $3.30B
Shares (diluted) 2.58B 36.60M 42.30M
Enterprise value $195.09B $3.92B $5.71B

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
MetricAPHPOWLAEIS
P/E 37.4x 30.8x 41.3x
P/FCF 40.9x 24.1x 106.5x
P/Operating cash flow 32.9x 23.0x 39.0x
P/S 6.7x 5.1x 4.6x
P/B 12.4x 7.8x 6.4x
P/Tangible book 18.7x 7.8x 6.9x
EV/EBITDA 22.6x 22.2x 27.4x
EV/EBIT 26.3x 23.0x 34.1x
EV/Revenue 7.1x 4.5x 4.5x
EV/FCF 43.8x 21.5x 105.0x
EV/Operating cash flow 35.2x 20.5x 38.4x
PEG (3Y EPS CAGR) 1.00 0.42 11.25

Growth

14 metrics
MetricAPHPOWLAEIS
Revenue growth (1Y) 54.2% 7.0% 24.6%
Revenue CAGR (3Y) 32.2% 21.0% 3.3%
Gross profit growth (1Y) 70.9% 11.9% 32.8%
Gross profit CAGR (3Y) 40.4% 39.2% 6.0%
Operating income growth (1Y) 86.0% 8.0% 216.7%
Operating income CAGR (3Y) 45.3% 74.2% 9.4%
Net income growth (1Y) 61.8% 8.8% 161.5%
Net income CAGR (3Y) 39.3% 73.1% 7.6%
EPS growth (1Y) 59.6% 8.6% 133.8%
EPS CAGR (3Y) 37.3% 72.8% 3.7%
Operating cash flow growth (1Y) 57.3% 153.9% 23.3%
Operating cash flow CAGR (3Y) 35.7% 25.5% 7.6%
Free cash flow growth (1Y) 67.3% 201.1% -30.8%
Free cash flow CAGR (3Y) 34.4% 25.0% -11.1%

Profitability

14 metrics
MetricAPHPOWLAEIS
Gross margin 38.5% 30.1% 39.3%
EBITDA margin 31.5% 20.4% 16.5%
Operating margin 27.0% 19.7% 13.2%
Pretax margin 25.2% 21.2% 12.1%
Net margin 17.7% 16.5% 10.8%
FCF margin 16.2% 21.1% 4.3%
Operating cash flow margin 20.2% 22.1% 11.7%
Return on equity 34.9% 26.1% 15.4%
Return on assets 11.9% 14.8% 7.3%
Return on invested capital 16.5% – 10.3%
Return on capital employed 23.0% 34.0% 11.3%
Asset turnover 0.7x 0.9x 0.7x
Cash conversion (OCF / net income) 1.1x 1.3x 1.1x
Stock comp / revenue 0.5% 0.5% 3.4%

Financial Health

11 metrics
MetricAPHPOWLAEIS
Debt / assets 42.0% – 36.9%
Debt / equity 1.2x – 0.9x
Net debt / EBITDA 1.5x – -0.4x
Debt / FCF 4.0x – 14.4x
Liabilities / assets 65.2% 46.2% 57.5%
Equity / assets 34.8% 53.8% 42.5%
Interest coverage 12.4x – 17.1x
Current ratio 1.9x 2.0x 3.8x
Quick ratio 1.3x 1.8x 2.8x
Cash ratio 0.6x 1.0x 2.2x
Altman Z-score 5.78 8.05 4.81

Shareholder Returns

7 metrics
MetricAPHPOWLAEIS
Dividend yield 0.6% 0.2% 0.2%
Net buyback yield 0.2% – 0.1%
Shareholder yield 0.8% 0.2% 0.2%
Payout ratio (earnings) 19.6% 6.8% –
Payout ratio (FCF) 21.6% 5.3% –
Dividend growth (1Y) 39.3% 1.6% –
Dividend CAGR (3Y) 27.7% 1.8% –

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.

ConsensusAPHPOWLAEIS
Forward P/E 30.0xFY2026 31.2xFY2026 21.7xFY2026
EPS, next fiscal year $2.61FY2026 $5.17FY2026 $10.74FY2026
EPS growth, next FY +56.3%FY2026 +4.4%FY2026 +67.6%FY2026
EPS growth, the year after +35.6% +26.9% +37.5%
Revenue, next fiscal year $33.34BFY2026 $1.24BFY2026 $2.55BFY2026
Revenue growth, next FY +44.4%FY2026 +12.4%FY2026 +41.5%FY2026
Revenue growth, the year after +33.4% +26.2% +25.2%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAPHPOWLAEIS
Held by institutions 96.0% 75.0% 100.0%
Institutions holding 2,330 581 678
Change in shares held, QoQ +2.6% -4.3% -2.0%
Institutions buying 1,360 318 388
Institutions selling 773 215 218
Buyers to sellers 1.76 1.48 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.

APHPOWLAEIS
APH 1.00 0.22 0.30
POWL 0.22 1.00 0.61
AEIS 0.30 0.61 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, APH, POWL and AEIS?

Amphenol (APH) is the largest by market capitalisation: Amphenol (APH) $200.51B, Powell Industries (POWL) $6.08B, Advanced Energy Industries (AEIS) $9.35B.

Which stock is cheaper, APH, POWL and AEIS?

Powell Industries (POWL) trades on the lowest price-to-earnings ratio (Amphenol (APH) 39.0x, Powell Industries (POWL) 31.8x, Advanced Energy Industries (AEIS) 42.6x). On next year's consensus earnings, Advanced Energy Industries (AEIS) is cheapest (Amphenol (APH) 30.0x, Powell Industries (POWL) 31.2x, Advanced Energy Industries (AEIS) 21.7x). 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%, Powell Industries (POWL) +7.0%, Advanced Energy Industries (AEIS) +24.6%.

Which company is more profitable?

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

Which stock has performed better?

Over the past year Powell Industries (POWL) returned the most: Amphenol (APH) -42.4%, Powell Industries (POWL) +29.4%, Advanced Energy Industries (AEIS) +13.5%. Over five years, Powell Industries (POWL) compounded fastest (Amphenol (APH) +15.4%/yr, Powell Industries (POWL) +79.6%/yr, Advanced Energy Industries (AEIS) +20.6%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Amphenol (APH) has the highest dividend yield: Amphenol (APH) 0.01%, Powell Industries (POWL) 0.00%, Advanced Energy Industries (AEIS) 0.00%. Advanced Energy Industries (AEIS) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Powell Industries (POWL) has been the steadiest (Amphenol (APH) 85.5%, Powell Industries (POWL) 64.2%, Advanced Energy Industries (AEIS) 65.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, APH, POWL 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 5. 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.