Aehr Test Systems vs Sono TEK
Aehr Test Systems is the larger business, with $50.0m of revenue in fiscal 2026 against $20.9m for Sono TEK (2.4 times as much). Sono TEK grew faster (2.0% against -15.2%). Sono TEK kept more of each dollar of sales as profit: a net margin of 8.6% against -14.3%.
| Latest fiscal year | Aehr Test SystemsAEHR, 2026 | Sono TEKSOTK, 2026 |
|---|---|---|
| Revenue | $50.0m | $20.9m |
| Revenue growth | -15.2% | 2.0% |
| Net income | −$7.1m | $1.8m |
| Operating margin | — | 8.7% |
| Net margin | -14.3% | 8.6% |
| Return on equity | -4.2% | 9.6% |
| Free cash flow | −$5.4m | $3.0m |
| Cash | $116m | $7.3m |
| Total debt | $0 | $0 |
| Debt to equity | — | 0.0% |
| Dividend per share | — | — |
| Dividend yield | — | — |
| Share buybacks | — | — |
| Employees | — | — |
| Market value | $2.07bn | $75.4m |
| Price vs our value range | — | Above our value range |
| Moat score | 25 (Weak) | 68 (Moderate) |
| Insider trades, 12 months | 0 buys, 73 sales | 1 buys, 4 sales |