AEIS vs APH vs POWL Stock Comparison

Advanced Energy Industries, Amphenol and Powell Industries Prices as of Oct 27, 2026 Peers: Industry group
APH Amphenol Corp /De/
$78.27 -6.9% 1M -42.4% 1Y
Market cap
$193.01B
P/E
37.4x
Revenue (TTM)
$29.01B
Div. yield
0.65%
Electrical Equipment Industrials
5 wins
POWL Powell Industries Inc
$161.36 -14.9% 1M +29.4% 1Y
Market cap
$5.88B
P/E
30.8x
Revenue (TTM)
$1.16B
Div. yield
0.22%
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.

QuestionAEISAPHPOWLLeader
Larger companyMarket capitalisation $9.32B $193.01B $5.88B APH
Cheaper on earningsLower P/E, profitable companies only 41.3x 37.4x 30.8x POWL
Cheaper on forward earningsLower price / next fiscal year consensus EPS 21.7x 30.0x 31.2x AEIS
Faster revenue growthRevenue growth, trailing twelve months +24.6% +54.2% +7.0% APH
More profitableNet margin, trailing twelve months 10.8% 17.7% 16.5% APH
Better return on capitalReturn on invested capital 10.3% 16.5% — APH
Less leveragedLower net debt / EBITDA -0.4x 1.5x — AEIS
Higher dividend yieldTrailing dividend yield 0.17% 0.65% 0.22% APH
Better 1-year returnPrice return, last 12 months +13.5% -42.4% +29.4% POWL
Better 5-year returnAnnualised price return, 5 years +20.6%/yr +15.4%/yr +79.6%/yr POWL
Less volatileAnnualised volatility, 1 year 65.1% 85.5% 64.2% POWL
Higher overall scoreMean of the five percentile scores vs peers 45/100 63/100 70/100 POWL

Percentile Scorecard

AEISAPHPOWL

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

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

Price Performance

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

Returns

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

Risk

MeasureAEISAPHPOWLSPY
Volatility, 1Y 65.1%85.5%64.2% 12.7%
Downside volatility, 1Y 67.5%114.2%67.8% 12.7%
Beta vs S&P 500, 1Y 2.731.712.50 1.00
Return / volatility, 1Y 0.21-0.500.46 0.97
Max drawdown, 5Y -44.3%-58.6%-55.9% -25.4%
From 52-week high -40.1%-55.6%-49.9% -1.2%
52-week high $389.05$176.32$322.05 $779.14
52-week low $188.88$73.07$94.02 $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.

MultipleAEISAPHPOWL
P/E now vs peer median 41.3xmedian 25.2x 37.4xmedian 25.2x 30.8xmedian 25.2x
P/S now vs peer median 4.6xmedian 1.9x 6.7xmedian 1.9x 5.1xmedian 1.9x
EV/EBITDA now vs peer median 27.4xmedian 14.0x 22.6xmedian 14.0x 22.2xmedian 14.0x
P/FCF now vs peer median 106.5xmedian 21.7x 40.9xmedian 21.7x 24.1xmedian 21.7x
P/B now vs peer median 6.4xmedian 2.3x 12.4xmedian 2.3x 7.8xmedian 2.3x
PEG now vs peer median 11.25median 1.32 1.00median 1.32 0.42median 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 monthsAEISAPHPOWL
Revenue $2.04B $29.01B $1.16B
Gross profit $800.50M $11.17B $348.18M
Operating income $269.20M $7.84B $227.67M
Net income $219.40M $5.19B $190.86M
Free cash flow $87.50M $4.71B $243.96M
R&D $246.60M – $14.98M
EPS (diluted) $5.19 $1.99 $5.21
Cash & equivalents $1.40B $4.73B $633.56M
Total debt $3.30B $18.81B –
Shares (diluted) 42.30M 2.58B 36.60M
Enterprise value $5.67B $187.71B $3.72B

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

Growth

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

Profitability

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

Financial Health

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

Shareholder Returns

7 metrics
MetricAEISAPHPOWL
Dividend yield 0.2% 0.6% 0.2%
Net buyback yield 0.1% 0.2% –
Shareholder yield 0.2% 0.8% 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.

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

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersAEISAPHPOWL
Held by institutions 100.0% 96.0% 75.0%
Institutions holding 678 2,330 581
Change in shares held, QoQ -2.0% +2.6% -4.3%
Institutions buying 388 1,360 318
Institutions selling 218 773 215
Buyers to sellers 1.78 1.76 1.48

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.

AEISAPHPOWL
AEIS 1.00 0.30 0.61
APH 0.30 1.00 0.22
POWL 0.61 0.22 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, AEIS, APH and POWL?

Amphenol (APH) is the largest by market capitalisation: Advanced Energy Industries (AEIS) $9.32B, Amphenol (APH) $193.01B, Powell Industries (POWL) $5.88B.

Which stock is cheaper, AEIS, APH and POWL?

Powell Industries (POWL) trades on the lowest price-to-earnings ratio (Advanced Energy Industries (AEIS) 41.3x, Amphenol (APH) 37.4x, Powell Industries (POWL) 30.8x). On next year's consensus earnings, Advanced Energy Industries (AEIS) is cheapest (Advanced Energy Industries (AEIS) 21.7x, Amphenol (APH) 30.0x, Powell Industries (POWL) 31.2x). 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: Advanced Energy Industries (AEIS) +24.6%, Amphenol (APH) +54.2%, Powell Industries (POWL) +7.0%.

Which company is more profitable?

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

Which stock has performed better?

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

Which pays a higher dividend?

Amphenol (APH) has the highest dividend yield: Advanced Energy Industries (AEIS) 0.17%, Amphenol (APH) 0.65%, Powell Industries (POWL) 0.22%.

Which stock is riskier?

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

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

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.