AEHR vs ONTO
AEHR: Aehr Test Systems provides essential burn-in and wafer-level test solutions that ensure the reliability of semiconductors used in AI, electric vehicles, and high-performance computing. ONTO: Onto Innovation supplies optical metrology and wafer inspection equipment that enables semiconductor manufacturers to measure, control, and optimize device yield during chip production, particularly at advanced technology nodes.
Side-by-side fundamentals
| Metric | AEHR | ONTO | Edge |
|---|---|---|---|
| Price as of 2026-07-27 close | $77.48 | $262.33 | |
| Market cap as of 2026-07-31 | $2.5B | $13.0B | |
| P/E as of 2026-07-31 | n/a | 117.11 | |
| PEG as of 2026-07-31 | -3.33 | n/a | |
| Net margin as of 2026-07-31 | -25.2% | +10.3% | ONTO higher |
| Gross margin as of 2026-07-31 | +30.7% | +53.8% | ONTO higher |
| Operating margin as of 2026-07-31 | -35.7% | +10.0% | ONTO higher |
| ROE as of 2026-07-31 | -8.9% | +5.2% | ONTO higher |
| ROA as of 2026-07-31 | -7.6% | +4.7% | ONTO higher |
| Debt / equity as of 2026-07-31 | 0.00 | 0.00 | Tie |
| Revenue growth (YoY) as of 2026-07-31 | -26.4% | +0.5% | ONTO higher |
| Revenue CAGR (3y) SEC XBRL | +5.1% | +0.0% | AEHR higher |
| Beta as of 2026-07-31 | 3.12 | 1.61 | |
| 1-year return as of 2026-07-27 close | +256.4% | +163.8% | AEHR higher |
Fundamentals: market data, as of 2026-07-31. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-27.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.