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ACMR
ACM Research, Inc. · Information Technology - Semiconductor Equipment
$109.87
+65.34% this month
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ONTO
Onto Innovation Inc. · Information Technology - Semiconductor Equipment
$333.76
+34.54% this month
Scoreboard verdict
Across AI score, momentum, valuation, upside, operating margin
ACMR
2
ONTO
2
Comparison scoreboard
MIXED SETUPAI Score
ACMR ✓56.4
ONTO 55.3
1Y Return
ACMR ✓+336.17%
ONTO +244.19%
Fwd P/E
ACMR 48.76
ONTO ✓33.84
Target Up.
ACMR -19.33%
ONTO ✓+6.54%
Op. Margin
ACMR N/A
ONTO N/A
Metrics last refreshed: 6/20/2026
Quick take
ACMR vs ONTO Stock Comparison: AI Score, Valuation, Performance and Upside
ACMR specializes in wafer cleaning and surface preparation equipment with heavy China exposure, while ONTO focuses on semiconductor process control and metrology serving global leading-edge chipmakers. Both serve the semiconductor equipment market but at different process steps and with very different geographic customer concentrations.
ACMR vs ONTO compares two semiconductor equipment specialists: ACM Research's China-concentrated cleaning equipment business versus Onto Innovation's globally diversified process control metrology tools.
Live analysis · updated 6/20/2026
ACMR and ONTO are closely matched — they split the tracked metrics evenly. ACMR has delivered stronger 1-year price return (+336.17% vs +244.19%), though ONTO trades at the lower forward P/E (33.84x vs 48.76x). Analyst consensus implies meaningfully more upside for ONTO (+6.54%) than for ACMR (-19.33%).
Normalized 1Y performance
ACMR
ONTO
Recent returns
ACMR
ONTO
Analyst price targets & sentiment
ACMR · 7 analysts
STRONG BUYHOLDSTRONG SELL
Strong Buy (1.5/5.0)
Price target range
analyst low$70.00
analyst high$125.00
analyst mean$88.63
current price$109.87
-19.3% upside to analyst mean
ONTO · 10 analysts
STRONG BUYHOLDSTRONG SELL
Strong Buy (1.2/5.0)
Price target range
analyst low$330.00
analyst high$371.00
analyst mean$355.60
current price$333.76
+6.5% upside to analyst mean
Who should consider this stock?
ACMR may suit investors who:
- →Want exposure to China's domestic semiconductor manufacturing buildout
- →Believe ACM Research's proprietary cleaning technology can sustain growth amid export control uncertainty
- →Are comfortable with higher geopolitical risk exposure for potentially higher growth rates
ONTO may suit investors who:
- →Want exposure to semiconductor process control equipment serving global leading-edge chipmakers
- →Value Onto Innovation's diversified global customer base reducing single-geography risk
- →Believe increasing process complexity at advanced nodes will drive sustained metrology equipment demand
Performance & AI score
| Metric | ACMR | ONTO |
|---|---|---|
| AI score | 56.4 | 55.3 |
| AI rank | #236 | #254 |
| Latest close | $109.87 | $333.76 |
| 1M return | +65.34% | +34.54% |
| 6M return | +194.08% | +126.22% |
| 1Y return | +336.17% | +244.19% |
$10,000 invested — hypothetical growth (dividends reinvested)
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | ACMR | ONTO |
|---|---|---|
| 1Y ago | $43.62K (+336.2%) started 2025-06-18 | $34.42K (+244.2%) started 2025-06-18 |
| 5Y ago | $32.39K (+223.9%) started 2021-06-18 | $48.67K (+386.7%) started 2021-06-18 |
| 10Y ago | $588.59K (+5785.9%) started 2017-11-02 | $94.47K (+844.7%) started 2019-10-28 |
Hypothetical — past performance does not guarantee future results.
Valuation & upside potential
| Metric | ACMR | ONTO |
|---|---|---|
| Market cap | $7.59B | $16.6B |
| Trailing P/E | 83.87 | 155.24 |
| Forward P/E | 48.76 | 33.84 |
| Price/Sales | 7.91 | 16.11 |
| EV/Revenue | 5.84 | 14.63 |
| Analyst target | $88.63 | $355.60 |
| Target upside | -19.33% | +6.54% |
Growth, profitability & risk
| Metric | ACMR | ONTO |
|---|---|---|
| Revenue growth | 34.20% | 9.50% |
| Earnings growth | -18.70% | -48.50% |
| EPS growth | -18.70% | -48.50% |
| FCF margin | -14.83% | +19.14% |
| Operating margin | N/A | N/A |
| Profit margin | 9.48% | 10.32% |
| ROIC proxy | 7.60% | 5.25% |
| Return on equity | 7.60% | 5.25% |
| Dividend yield | 0.00% | 0.00% |
| Beta | 1.98 | 1.63 |
| Debt/equity | 16.18 | N/A |
| Current ratio | 3.51 | 6.15 |
| Quick ratio | 2.48 | 4.48 |
Drawdown & downside risk
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
1Y risk snapshot
ACMR max drawdown46.34%
ONTO max drawdown20.24%
ACMR max wkly drop26.17%
ONTO max wkly drop16.75%
5Y risk snapshot
ACMR max drawdown84.81%
ONTO max drawdown62.82%
ACMR max wkly drop41.14%
ONTO max wkly drop30.37%
10Y risk snapshot
ACMR max drawdown87.23%
ONTO max drawdown62.82%
ACMR max wkly drop41.14%
ONTO max wkly drop30.37%
Performance metrics by period
| Period | Metric | ACMR | ONTO |
|---|---|---|---|
| 1Y | Growth | +336.17% | +244.19% |
| CAGR | +336.61% | +244.48% | |
| Sharpe ratio | 2.22 | 2.36 | |
| Max drawdown | 46.34% | 20.24% | |
| Max daily drop | 19.95% | 11.17% | |
| Max wkly drop | 26.17% | 16.75% | |
| 5Y | Growth | +223.94% | +386.74% |
| CAGR | +26.50% | +37.24% | |
| Sharpe ratio | 0.64 | 0.77 | |
| Max drawdown | 84.81% | 62.82% | |
| Max daily drop | 26.50% | 30.21% | |
| Max wkly drop | 41.14% | 30.37% | |
| 10Y | Growth | +5785.89% | +844.69% |
| CAGR | +60.40% | +40.25% | |
| Sharpe ratio | 0.93 | 0.81 | |
| Max drawdown | 87.23% | 62.82% | |
| Max daily drop | 28.18% | 30.21% | |
| Max wkly drop | 41.14% | 30.37% |
Business comparison
| Category | ACMR | ONTO |
|---|---|---|
| Company | ACM Research, Inc. | Onto Innovation Inc. |
| Sector | Information Technology - Semiconductor Equipment | Information Technology - Semiconductor Equipment |
| Industry | N/A | N/A |
| Core business | ACM Research develops and supplies semiconductor wafer cleaning and surface preparation equipment, primarily for logic and memory chip manufacturers in China, with growing expansion into South Korea and other international markets. | Onto Innovation provides semiconductor process control and metrology equipment, helping chipmakers measure and inspect wafers during manufacturing to detect defects and ensure process quality across advanced logic and memory fabs. |
| Investor focus | Investors track ACM Research's revenue growth in China and international markets, customer concentration risk, and the company's ability to navigate U.S. export controls affecting semiconductor equipment sales to China. | Investors track Onto Innovation's metrology tool orders from leading-edge logic and memory customers, its penetration at advanced node chipmakers including TSMC and memory leaders, and margins as product mix shifts. |
ACMR strengths
- →Leading position in electrochemical plating and wet cleaning equipment for wafer processing
- →Strong growth in China's domestic semiconductor manufacturing buildout
- →Proprietary SAPS (single-wafer, alternating-phase shift) cleaning technology provides product differentiation
ONTO strengths
- →Strong position in advanced wafer metrology and inspection serving leading-edge logic and memory fabs
- →Benefits from increasing process complexity at advanced nodes, which requires more process control steps
- →Diversified customer base across leading global chipmakers reduces single-customer risk
Risks to watch — ACMR
- →Highly concentrated in China revenue, creating exposure to U.S.-China tech export control risk
- →Export control changes could restrict ACM's ability to sell certain advanced equipment to Chinese customers
- →Customer concentration in a limited number of major Chinese semiconductor manufacturers
Risks to watch — ONTO
- →Semiconductor equipment spending is cyclically tied to chipmaker capital expenditure cycles
- →Competes against larger semiconductor equipment players like KLA Corporation in the process control space
- →Advanced node customer concentration means capex cycles at a few large fabs drive significant order variability
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