Aehr Test Systems specializes in wafer-level burn-in and test equipment for power semiconductors (SiC/GaN) and photonics, with recent strong Q4 FY2026 earnings and FY2027 revenue guidance of $130-150M driving analyst optimism for significant growth amid AI and EV demand, though historically concentrated customer base and recent revenue declines introduce uncertainties.
Business Description: Aehr Test Systems provides test solutions for semiconductor devices at wafer, singulated die, and package levels, focusing on FOX-XP, FOX-NP, and FOX-CP systems for full-wafer contact burn-in and test of silicon carbide (SiC), gallium nitride (GaN) power semiconductors, sensors, memory, processors, and photonics/optical devices used in AI applications. It also offers WaferPak contactors and DiePak carriers. The company serves semiconductor manufacturers, contract assemblers, electronics firms, and test service providers primarily in the US, Asia, Europe, and the Middle East. Headquartered in Fremont, California, with approximately 138 employees. Incorporated in 1977. Official site: www.aehr.com.
Key Technology: Proprietary wafer-level burn-in (WLBI) systems enable cost-effective, high-volume testing critical for reliability in high-power and high-reliability applications like electric vehicles (EVs), renewable energy, and data centers/AI infrastructure.
Historical details primarily from company disclosures and public records; full timeline available on Yahoo Finance Profile.
Stock Performance (Trailing Returns as of early August 2026 data points; highly volatile):
| Period | AEHR Return | S&P 500 Return (approx.) |
|---|---|---|
| YTD | ~444% | ~13% |
| 1-Year | ~477% | ~22% |
| 3-Year | ~121% | ~73% |
| 5-Year | ~1,916% | ~76% |
52-week range: $16.38 - $126.62 (noting significant swings tied to news/earnings). Beta (5Y): 3.09 (high volatility). Average volume: ~2.5M shares. Shares outstanding: ~32.62M. Yahoo Finance - AEHR | Key Statistics
Interpretation: Exceptional long-term outperformance driven by growth in power semiconductor testing; short-term surges reflect positive earnings surprises and guidance.
Uncertainties: Future performance dependent on execution of FY2027 guidance and market adoption of new applications; historical volatility implies risk of sharp corrections.
Company Financials (TTM as of most recent quarter ~May 2026; Fiscal Year Ends late May):
| Metric | Value | Notes |
|---|---|---|
| Revenue (TTM) | $50M | Down from FY2024 $66.2M, FY2025 $59M |
| Gross Profit (TTM) | $17.65M | Gross margin ~35% |
| Net Income (TTM) | -$7.13M | EPS -$0.23; Profit margin -14.25% |
| Operating Margin (TTM) | -6.4% | Negative due to recent investments/R&D |
| Cash (MRQ) | $116.36M | Strong liquidity |
| Total Debt (MRQ) | $9.88M | Low Debt/Equity 4.5% |
| Book Value/Share (MRQ) | $6.76 | Price/Book ~11.89 (elevated) |
Q4 FY2026 specific: Revenue $18.84M, Net Earnings $1.39M (beat). FY2027 Guidance (company-provided, fact): Revenue $130M-$150M. Yahoo Income Statement
Financial data from Yahoo Finance (sourced from company filings); TTM reflects trailing 12 months ending ~May 2026. Assumptions: Guidance realization not guaranteed; historical revenue decline may reverse with new orders. No forward-looking projections beyond company guidance.
Consensus: Generally "Buy" to "Strong Buy" based on 5-6 analysts (recent 12 months data). Average 12-month price target: ~$115-$117.50 (range: low $110, high $125-$132). Represents substantial upside potential from recent trading levels per analyst models.
| Source | Consensus Rating | Avg. Target | High/Low | # Analysts |
|---|---|---|---|---|
| TipRanks / Multiple | Buy / Strong Buy | $115 | $125 / $110 | 4-6 |
| MarketBeat | Buy | $117.50 | $125 / $110 | 6 |
| Zacks | Strong Buy (#1 rank noted) | $115 | -- | 3+ |
| TradingView | Buy | ~$117 | $132 / $110 | 5 |
Recent actions: Upgrades (e.g., Freedom Broker to Buy), multiple target raises post-July 2026 earnings. TipRanks Forecast | MarketBeat
Interpretation: Analysts view the strong guidance and order momentum as signaling a growth inflection, particularly in SiC and photonics.
Uncertainties: Targets and ratings are forward-looking opinions subject to change with market conditions, earnings misses, or competitive shifts; one older/lower target noted in some aggregators (~$29) appears inconsistent with recent coverage.
Analyst data aggregated from multiple platforms as of early August 2026; always verify latest on source sites as coverage evolves rapidly.
Interpretation: Customer diversification efforts underway to mitigate concentration risk, with photonics adding new growth vector tied to AI infrastructure.
Uncertainties: Exact current revenue breakdown by customer not publicly detailed in recent filings; dependence on a few large players could amplify order volatility.
| Competitor | Overlap/Type | Notes |
|---|---|---|
| Camtek (CAMT) | Wafer inspection/test | Direct peer in advanced packaging/test |
| FormFactor (FORM) | Probe cards / test interfaces | Adjacent in wafer-level testing |
| Cohu | Test handlers / burn-in | Close competitor in reliability screening |
| Teradyne (TER), Advantest | Large-scale ATE | Broader semiconductor test equipment; budget competitors |
| Others (e.g., in-house solutions) | Customer internal methods | Substitute competition for burn-in workflows |
Niche focus on full-wafer burn-in differentiates AEHR, but larger players compete for overall test budgets. MarketBeat Competitors | Umbrex Analysis
Competitor list based on industry analyses; market share data limited in public sources. Assumptions: Direct comparability varies by specific application (e.g., SiC vs. logic).
Data Limitations: All information compiled from publicly available web sources as of August 4, 2026. Financial figures are TTM or fiscal year-specific from Yahoo Finance (derived from company reports). Stock returns and analyst targets are snapshots and fluctuate daily. No investment advice; past performance ≠ future results. Verify all data independently before decision-making. Guidance and estimates involve significant uncertainties.