ASYS vs ONTO Stock Comparison

Amtech Systems and Onto Innovation Prices as of Oct 26, 2026 Peers: Industry group
ASYS Amtech Systems Inc
$12.64 -19.9% 1M +61.8% 1Y
Market cap
$201.80M
P/E
50.5x
Revenue (TTM)
$81.67M
Div. yield
–
Semiconductor Equipment Technology
2 wins
ONTO Onto Innovation Inc.
$203.16 -29.4% 1M +50.8% 1Y
Market cap
$10.53B
P/E
79.4x
Revenue (TTM)
$1.12B
Div. yield
–
Semiconductor Equipment Technology
7 wins

Head to Head

9 decided of 12

Onto Innovation leads on 7 of the 12 questions below (Onto Innovation 7, Amtech Systems 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionASYSONTOLeader
Larger companyMarket capitalisation $201.80M $10.53B ONTO
Cheaper on earningsLower P/E, profitable companies only 50.5x 79.4x ASYS
Cheaper on forward earningsLower price / next fiscal year consensus EPS 38.3x 24.1x ONTO
Faster revenue growthRevenue growth, trailing twelve months -2.4% +8.1% ONTO
More profitableNet margin, trailing twelve months 4.9% 11.8% ONTO
Better return on capitalReturn on invested capital — — –
Less leveragedLower net debt / EBITDA — — –
Higher dividend yieldTrailing dividend yield 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +61.8% +50.8% ASYS
Better 5-year returnAnnualised price return, 5 years +0.3%/yr +22.5%/yr ONTO
Less volatileAnnualised volatility, 1 year 88.1% 72.2% ONTO
Higher overall scoreMean of the five percentile scores vs peers 59/100 60/100 ONTO

Percentile Scorecard

ASYSONTO

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

AxisASYSONTO
Valuation 95 #6 of 95 60 #39 of 95
Growth 76 #23 of 93 33 #63 of 93
Profitability 51 #45 of 91 58 #39 of 91
Financial Health 67 #34 of 101 58 #43 of 101
Shareholder Returns 5 #71 of 75 93 #6 of 75
Overall 59 60
  • ASYS ranked among 104 companies in Semiconductors
  • ONTO ranked among 104 companies in Semiconductors

Price Performance

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

Returns

PeriodASYSONTOSPY
1 month -19.9%-29.4% -0.8%
3 months -18.0%-22.5% +3.5%
6 months -28.7%-31.9% +7.0%
Year to date +0.7%+28.7% +12.2%
1 year +61.8%+50.8% +13.0%
3 years +72.9%+76.8% +86.3%
3 years, per year +20.0%+20.9% +23.1%
5 years +1.6%+175.1% +68.6%
5 years, per year +0.3%+22.5% +11.0%
10 years +184.7%— +258.0%
10 years, per year +11.0%— +13.6%

Risk

MeasureASYSONTOSPY
Volatility, 1Y 88.1%72.2% 12.7%
Downside volatility, 1Y 95.7%73.0% 12.7%
Beta vs S&P 500, 1Y 2.593.16 1.00
Return / volatility, 1Y 0.700.70 1.02
Max drawdown, 5Y -78.4%-62.8% -25.4%
From 52-week high -47.3%-46.3% -1.8%
52-week high $23.99$378.45 $779.14
52-week low $7.05$124.09 $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.

MultipleASYSONTO
P/E now vs peer median 48.8xmedian 42.1x 75.7xmedian 42.1x
P/S now vs peer median 2.7xmedian 7.1x 8.9xmedian 7.1x
EV/EBITDA now vs peer median 15.3xmedian 27.5x 37.0xmedian 27.5x
P/FCF now vs peer median 25.3xmedian 37.2x 39.5xmedian 37.2x
P/B now vs peer median 1.9xmedian 4.2x 5.2xmedian 4.2x
PEG now vs peer median -47.51median 2.23 -8.60median 2.23

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 monthsASYSONTO
Revenue $81.67M $1.12B
Gross profit $38.27M $564.06M
Operating income $6.62M $134.61M
Net income $4.00M $132.61M
Free cash flow $8.74M $252.47M
R&D $3.10M $142.63M
EPS (diluted) $0.25 $2.67
Cash & equivalents $83.11M $1.25B
Shares (diluted) 16.04M 49.68M
Enterprise value $54.29M $6.37B

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
MetricASYSONTO
P/E 48.8x 75.7x
P/FCF 25.3x 39.5x
P/Operating cash flow 23.1x 37.4x
P/S 2.7x 8.9x
P/B 1.9x 5.2x
P/Tangible book 1.9x 6.0x
EV/EBITDA 15.3x 37.0x
EV/EBIT 20.9x 60.0x
EV/Revenue 1.7x 7.2x
EV/FCF 15.8x 32.0x
EV/Operating cash flow 14.4x 30.3x
PEG (3Y EPS CAGR) -47.51 -8.60

Growth

14 metrics
MetricASYSONTO
Revenue growth (1Y) -2.4% 8.1%
Revenue CAGR (3Y) -11.5% 7.7%
Gross profit growth (1Y) 36.8% 5.6%
Gross profit CAGR (3Y) -5.5% 5.4%
Operating income growth (1Y) 121.8% -29.5%
Operating income CAGR (3Y) 121.5% -8.3%
Net income growth (1Y) 112.5% -33.7%
Net income CAGR (3Y) 3.4% -8.6%
EPS growth (1Y) 111.2% -34.5%
EPS CAGR (3Y) -1.0% -8.8%
Operating cash flow growth (1Y) 47.7% -2.5%
Operating cash flow CAGR (3Y) 49.8% 17.7%
Free cash flow growth (1Y) 40.6% 5.9%
Free cash flow CAGR (3Y) 42.5% 22.0%

Profitability

14 metrics
MetricASYSONTO
Gross margin 46.9% 50.4%
EBITDA margin 11.1% 19.5%
Operating margin 8.1% 12.0%
Pretax margin 8.0% 14.1%
Net margin 4.9% 11.8%
FCF margin 10.7% 22.5%
Operating cash flow margin 11.7% 23.8%
Return on equity 4.7% 6.5%
Return on assets 3.1% 4.4%
Return on invested capital – –
Return on capital employed 6.4% 4.8%
Asset turnover 0.6x 0.4x
Cash conversion (OCF / net income) 2.4x 2.0x
Stock comp / revenue 1.4% 2.8%

Financial Health

11 metrics
MetricASYSONTO
Debt / assets – –
Debt / equity – –
Net debt / EBITDA – –
Debt / FCF – –
Liabilities / assets 26.2% 48.0%
Equity / assets 73.8% 52.0%
Interest coverage 254.5x –
Current ratio 5.4x 9.7x
Quick ratio 4.4x 8.2x
Cash ratio 3.5x 6.9x
Altman Z-score 4.04 4.87

Shareholder Returns

7 metrics
MetricASYSONTO
Dividend yield – –
Net buyback yield -26.2% 1.9%
Shareholder yield -26.2% 1.9%
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.

ConsensusASYSONTO
Forward P/E 38.3xFY2026 24.1xFY2026
EPS, next fiscal year $0.33FY2026 $8.42FY2026
EPS growth, next FY – +70.4%FY2026
EPS growth, the year after +121.2% +43.5%
Revenue, next fiscal year $87.86MFY2026 $1.37BFY2026
Revenue growth, next FY +10.7%FY2026 +35.5%FY2026
Revenue growth, the year after +10.0% +41.1%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersASYSONTO
Held by institutions 59.5% 98.3%
Institutions holding 111 688
Change in shares held, QoQ +39.6% +2.3%
Institutions buying 85 376
Institutions selling 20 232
Buyers to sellers 4.25 1.62

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.

ASYSONTO
ASYS 1.00 0.51
ONTO 0.51 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, ASYS and ONTO?

Onto Innovation (ONTO) is the largest by market capitalisation: Amtech Systems (ASYS) $201.80M, Onto Innovation (ONTO) $10.53B.

Which stock is cheaper, ASYS and ONTO?

Amtech Systems (ASYS) trades on the lowest price-to-earnings ratio (Amtech Systems (ASYS) 50.5x, Onto Innovation (ONTO) 79.4x). On next year's consensus earnings, Onto Innovation (ONTO) is cheapest (Amtech Systems (ASYS) 38.3x, Onto Innovation (ONTO) 24.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Onto Innovation (ONTO) grew revenue fastest over the trailing twelve months: Amtech Systems (ASYS) -2.4%, Onto Innovation (ONTO) +8.1%.

Which company is more profitable?

Onto Innovation (ONTO) has the highest net margin (Amtech Systems (ASYS) 4.9%, Onto Innovation (ONTO) 11.8%).

Which stock has performed better?

Over the past year Amtech Systems (ASYS) returned the most: Amtech Systems (ASYS) +61.8%, Onto Innovation (ONTO) +50.8%. Over five years, Onto Innovation (ONTO) compounded fastest (Amtech Systems (ASYS) +0.3%/yr, Onto Innovation (ONTO) +22.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Onto Innovation (ONTO) has been the steadiest (Amtech Systems (ASYS) 88.1%, Onto Innovation (ONTO) 72.2%). Volatility measures how widely the price swings, not the risk of the business.

Do ASYS and ONTO move together?

Their daily returns over the past year have a correlation of 0.51, a moderate positive relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, ASYS and ONTO?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Onto Innovation (ONTO) 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.