Aehr Test Systems vs Aspen Aerogels Inc — how do they compare? Aehr Test Systems trades at $129.97 (market cap $3.82B), while Aspen Aerogels Inc trades at $6.14 (market cap $509.55M). The key difference: Aehr Test Systems is far larger — about 7.5× Aspen Aerogels Inc's market cap, and Aehr Test Systems is trading nearer its 52-week high, Aspen Aerogels Inc nearer its low. Which is the better fit depends on your goals.
| AEHR | ASPN | |
|---|---|---|
Market Cap | $3.82B | $509.55M |
Sector | Technology | Technology |
52-Week High | $117.18 | $8.82 |
52-Week Low | $17.38 | $2.57 |
Enterprise Value | $3.72B | $482.96M |
Signals from Pluang's Aura AI — not financial advice
Aehr Test Systems (AEHR) trades at $129.23, up 21.69% in the last 24 hours, reflecting strong momentum. The stock is technically bullish, trading near resistance at $129, with a high RSI suggesting potential overbought conditions. Fundamentally, the company reported a net loss of $3.91 million for 2025, but has beaten EPS estimates for three consecutive quarters. Recent news highlights a $22 million follow-on order for AI processor wafer-level burn-in systems, signaling robust demand in high-growth sectors.
The outlook is supported by record bookings and a strategic pivot to AI infrastructure, though high valuation multiples and insider selling pose risks. Revenue growth guidance of 160-200% for FY27 offers significant upside potential, but investor caution is warranted due to customer concentration and current unprofitability.
ASPN trades at $6.15, down 2.23% today, with a bullish technical signal from moving averages but mixed oscillators. The company reported Q2 2026 revenue beat but missed EPS estimates, with a net income margin of -62.45% and negative cash flow. Recent news highlights sequential revenue improvement and a raised European Thermal Barrier outlook for 2026.
Outlook hinges on execution of Q3 revenue guidance of $65-80M and adjusted EBITDA of $7-15M. Risks include persistent losses and competitive pressures, but analyst consensus is strongly bullish with 82.61% buy ratings, suggesting confidence in the recovery trajectory.
Trailing returns across standard periods
Latest headlines on both assets
Aehr Test Systems provides testing and burn-in solutions for the semiconductor industry. Its systems ensure the reliability of AI processors, data center chips, and electric vehicle components at the wafer and package levels.
Read more on AEHR →Aspen Aerogels is an aerogel technology company that designs high-performance insulation. Its products are used in energy infrastructure and electric vehicles to provide thermal management and fire protection.
Read more on ASPN →