Aehr Test Systems combines a 44% revenue decline, cash-burning operations, a highly speculative valuation with a price-to-earnings-growth ratio above 5, and elevated short interest — quality and fundamental momentum are both severely deficient, and the risk/reward does not clear the minimum bar despite a technically favorable short-term chart setup.
Thesis pillars
- Severe Quality And Cash Burn→Stable
- Steep Revenue Decline→Stable
- Speculative Valuation↓Deteriorating
- +1 more pillar — see the Why tab for full reasoning
Aehr Test Systems (AEHR) Stock Analysis
Breakout setup
Technology · Semiconductor Equipment & Materials
Sell if holding. Engine safety override at $104.39: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 5.7/10. Specifically: High short interest: 17%; Below-average business quality.
Aehr Test Systems makes semiconductor test and burn-in systems (the FOX-P family for wafer and die-level test, plus Sonoma/Tahoe/Echo packaged-part burn-in from its Incal acquisition) for AI, EV, and power-semiconductor manufacturers. It sold $59.0 million of systems and... Read more
Sell if holding. Engine safety override at $104.39: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 5.7/10. Specifically: High short interest: 17%; Below-average business quality. Chart setup: Golden cross, above all MAs, RSI 67, MACD bullish. Score 5.7/10, moderate confidence.
Passes 6/8 gates (positive momentum, no SEC red flags, news events none recent, earnings proximity 38d clear, semi cycle peak clear, materials cycle peak clear). Fails on favorable risk/reward ratio and clean insider activity. Suitability: aggressive.
About Aehr Test Systems
About Aehr Test Systems
Aehr Test Systems' five largest customers accounted for approximately 77% of net sales in fiscal 2025, with two customers alone contributing 39% and 15%, as the company generated $59.0 million in net revenue for the year. Full wafer contact systems made up 66% of that revenue and packaged-part burn-in systems, added through the 2024 Incal acquisition, contributed the remaining 34%, while 70% of sales shipped to customers outside the United States.
The company earns revenue almost entirely from capital-equipment sales of its FOX-P family of wafer-level and singulated-die test and burn-in systems, plus consumables such as WaferPak Contactors and DiePak Carriers, and from its Incal-derived Sonoma, Tahoe, and Echo packaged-part burn-in lines. Because each system sale is one of a relatively small number of high-dollar-value transactions, deferrals or cancellations of even a handful of orders can materially swing quarterly results, and the company recognizes revenue on non-standard products only after customer-specific qualification is met. Aehr competes against larger systems manufacturers with greater financial, engineering, and manufacturing resources, as well as against captive burn-in capability built in-house by large Asian IC manufacturers and independent test labs. Demand is closely tied to silicon carbide semiconductor adoption in electric vehicles, alongside AI accelerator and GPU test demand supporting the High Power FOX-XP line, and global tariff announcements in the second half of fiscal 2025 created demand uncertainty for the company's customers.
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Beyond customer concentration, Aehr's 10-K flags trade-policy exposure as a structural risk: with roughly 70% of fiscal 2025 sales shipped outside the United States and support delivered through direct third-party agreements in China alongside owned operations in Taiwan, Germany, Japan, and South Korea, the company's results could be affected if U.S. or foreign governments shift tariff structures or export-compliance rules. The filing also notes that no customer besides its top two accounted for more than 10% of net sales in fiscal 2023 through 2025, meaning a change in purchasing behavior at just one or two large semiconductor manufacturers or contract test houses could disproportionately affect near-term results.
See also: Technology · Semiconductor Equipment & Materials
From Aehr Test Systems's most recent 10-K filing, extracted August 30, 2026.
Recent developments
updated 2026-09-26Recent Developments — Aehr Test Systems
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Generated 2026-09-26T10:02:21Z.
Upcoming dated catalysts
Thesis
Key Metrics
Quality Signals
Options Flow
Concentration Risks(10-K Item 1A)
- HIGHCustomerfive largest customers77%10-K Item 1A: 'Sales to our five largest customers accounted for approximately 77%, 93%, and 97% of our net sales in fiscal 2025, 2024, and 2023, respectively.'
- MEDIUMCustomersingle customer39%10-K Item 1A: 'During fiscal 2025, two customers accounted for approximately 39% and 15% of the Company’s net sales. ... the failure of a single customer to perform its obligations could have a material adverse effect'
- HIGHProductfull wafer contact product lines66%10-K Item 1: 'Net revenues of full wafer contact product lines, systems, WaferPak Contactors, DiePak Carriers and services for fiscal 2025, 2024, and 2023 were $39.2 million, $64.6 million, and $63.5 million, respectively, and accounted for approximately 66%, 98%, and 98% of the Company’s net revenues in fiscal 2025, 2024, and 2023, respectively.'
- HIGHGeographicsales for delivery outside of the United States70%10-K Item 1A: 'Approximately 70%, 95%, and 86% of our net sales in fiscal 2025, 2024, and 2023, respectively, were attributable to sales to customers for delivery outside of the United States.'
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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Rating Breakdown
3 floor-breakers·1 ceiling hit
Technicals below the gate floor. Component breakdown shows what dragged the score down.static
Hyper-growth tech sacrificing current profitability for scale. Floor tripped because model treats negative margins uniformly; the growth dimension tells the other half of the story.static
Ranks in the bottom of its industry peers on the composite signal. Better names in the same sector exist.static
Price Targets
Position Sizing
Risk Alerts
Earnings
Verdict History
Frequently Asked Questions
Sell if holding. Engine safety override at $104.39: a dimension score below its floor triggers a hard block regardless of the otherwise-positive setup — overall score 5.7/10. Specifically: High short interest: 17%; Below-average business quality. Chart setup: Golden cross, above all MAs, RSI 67, MACD bullish. Prior stop was $97.08. Score 5.7/10, moderate confidence.
Take-profit target: $111.36 (+6.7% upside). Prior stop was $97.08. Stop-loss: $97.08.
Concentration risk — Customer: five largest customers (77.0%); Concentration risk — Product: full wafer contact product lines (66.0%); Quality below floor (2.4 < 4.0).
Aehr Test Systems trades at a P/E of N/A (forward 70.4). TrendMatrix value score: 5.8/10. Verdict: Sell.
11 analysts cover AEHR with a consensus score of 4.3/5. Average price target: $128.
What does Aehr Test Systems do?Aehr Test Systems makes semiconductor test and burn-in systems (the FOX-P family for wafer and die-level test, plus...
Aehr Test Systems makes semiconductor test and burn-in systems (the FOX-P family for wafer and die-level test, plus Sonoma/Tahoe/Echo packaged-part burn-in from its Incal acquisition) for AI, EV, and power-semiconductor manufacturers. It sold $59.0 million of systems and services in fiscal 2025, with its five largest customers accounting for 77% of net sales and 70% of sales shipped outside the United States.