ONTO vs KLAC Comparison: AI Score, Valuation, Performance and Upside
Compare Onto Innovation and KLA by semiconductor process control market share, advanced packaging inspection opportunity, customer concentration, revenue growth, and which process control company offers better exposure to chipmaking complexity.
Use this Onto Innovation vs KLA Corporation comparison to evaluate the key differences across valuation, growth, profitability, and risk before making an investment decision.
ONTO holds the edge across 3 of 5 key metrics in this comparison. ONTO leads on both 1-year return (+177.48%) and forward P/E quality (27.41x vs 41.46x for KLAC), a relatively favorable combination of momentum and valuation. Analyst consensus implies meaningfully more upside for ONTO (+35.57%) than for KLAC (+10.26%).
| Metric | ONTO | KLAC |
|---|---|---|
| AI score | 54.8 | 76.7 |
| AI rank | #289 | #15 |
| Latest close | $272.62 | $210.52 |
| 1M return | -15.40% | -12.46% |
| 6M return | +28.72% | +39.16% |
| 1Y return | +177.48% | +132.83% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | ONTO | KLAC |
|---|---|---|
| 1Y ago | $27.75K (+177.5%) started 2025-07-24 | $23.34K (+133.4%) started 2025-07-25 |
| 5Y ago | $40.89K (+308.9%) started 2021-07-26 | $107.44K (+974.4%) started 2021-07-26 |
| 10Y ago | $77.16K (+671.6%) started 2019-10-28 | $1.69M (+16796.4%) started 2016-07-25 |
Hypothetical — past performance does not guarantee future results.
| Metric | ONTO | KLAC |
|---|---|---|
| Market cap | $13.56B | $277.91B |
| Trailing P/E | 126.21 | 60.27 |
| Forward P/E | 27.41 | 41.46 |
| Price/Sales | 13.16 | 9.25 |
| EV/Revenue | 12.52 | 21.31 |
| Analyst target | $369.60 | $234.57 |
| Target upside | +35.57% | +10.26% |
| Metric | ONTO | KLAC |
|---|---|---|
| Revenue growth | 9.50% | 11.50% |
| Earnings growth | -48.50% | 11.80% |
| EPS growth | -48.50% | +11.80% |
| FCF margin | +19.14% | +22.07% |
| Operating margin | N/A | 41.22% |
| Profit margin | 10.32% | 35.66% |
| ROIC proxy | 5.25% | 94.98% |
| Return on equity | 5.25% | 94.98% |
| Dividend yield | 0.00% | 0.43% |
| Beta | 1.54 | 1.41 |
| Debt/equity | N/A | 105.40 |
| Current ratio | 6.15 | 3.03 |
| Quick ratio | 4.48 | 1.96 |
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | ONTO | KLAC |
|---|---|---|---|
| 1Y | Growth | +177.48% | +133.37% |
| CAGR | +177.67% | +133.97% | |
| Sharpe ratio | 1.85 | 1.69 | |
| Max drawdown | 27.96% | 31.19% | |
| Max daily drop | 12.46% | 15.24% | |
| Max wkly drop | 22.99% | 26.69% | |
| 5Y | Growth | +308.91% | +590.61% |
| CAGR | +32.58% | +47.22% | |
| Sharpe ratio | 0.71 | 0.98 | |
| Max drawdown | 62.82% | 40.28% | |
| Max daily drop | 30.21% | 15.24% | |
| Max wkly drop | 30.37% | 26.69% | |
| 10Y | Growth | +671.64% | +3123.83% |
| CAGR | +35.43% | +41.54% | |
| Sharpe ratio | 0.74 | 0.92 | |
| Max drawdown | 62.82% | 40.28% | |
| Max daily drop | 30.21% | 15.24% | |
| Max wkly drop | 30.37% | 26.69% |
| Category | ONTO | KLAC |
|---|---|---|
| Company | ONTO | KLAC |
| Sector | N/A | Technology |
| Industry | N/A | Semiconductor Equipment & Materials |
| Core business | N/A | N/A |
| Investor focus | N/A | N/A |
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