Aspen Aerogels Inc vs Zscaler Inc — how do they compare? Aspen Aerogels Inc trades at $6.14 (market cap $509.55M), while Zscaler Inc trades at $176.2 (market cap $28.87B). The key difference: Zscaler Inc is far larger — about 56.7× Aspen Aerogels Inc's market cap, and Aspen Aerogels Inc is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals.
| ASPN | ZS | |
|---|---|---|
Market Cap | $509.55M | $28.87B |
Sector | Technology | Technology |
52-Week High | $8.82 | $336.27 |
52-Week Low | $2.57 | $118.05 |
Enterprise Value | $482.96M | $27.20B |
Signals from Pluang's Aura AI — not financial advice
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.
Zscaler (ZS) trades at $176.94, up 0.15% with strong bullish technical signals and positive analyst sentiment. The stock shows consistent revenue growth from $1.1B in 2022 to $2.67B in 2025, though it remains unprofitable with a -2.44% net margin. Recent earnings beats and leadership in Gartner Magic Quadrant for SASE platforms highlight operational strength. Current price sits near resistance at $177 with RSI indicating overbought conditions.
Outlook remains positive with 79% analyst buy ratings and $191.81 consensus target, but risks include negative profitability, high valuation multiples (P/S 8.94), and projected negative cash flow in 2026. The cybersecurity leader benefits from AI-driven security demand but faces execution risks amid competitive pressures.
Trailing returns across standard periods
Latest headlines on both assets
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 →Zscaler is a security-as-a-service firm that offers its customers cloud-delivered solutions for protecting user devices and data. The firm leverages its position in 150 colocation data centers to deliver traditionally appliance-based security functionality, such as firewalls and sandboxes, as a completely cloud-native platform. The firm focuses on large enterprise customers and offers two primary product suites: Zscaler Internet Access, which securely connects users to externally managed application and websites (such as Salesforce and Google), and Zscaler Private Access, which securely connects users to internally managed applications. Both product suites encompass a broad gamut of capabilities situated across the traditional security stack.
Read more on ZS →