TransMedics Group Inc vs Zscaler Inc — how do they compare? TransMedics Group Inc trades at $87 (market cap $3.10B), while Zscaler Inc trades at $176.92 (market cap $28.87B). The key difference: Zscaler Inc is far larger — about 9.3× TransMedics Group Inc's market cap. Which is the better fit depends on your goals.
| TMDX | ZS | |
|---|---|---|
Market Cap | $3.10B | $28.87B |
Sector | Technology | Technology |
52-Week High | $150.42 | $336.27 |
52-Week Low | $61.99 | $118.05 |
Enterprise Value | $3.49B | $27.20B |
Signals from Pluang's Aura AI — not financial advice
TransMedics Group (TMDX) trades at $87.02, down 1.57% today, amid mixed signals. The stock shows a bullish technical trend with moving averages supporting upside, but oscillators like RSI indicate overbought conditions near 78. Fundamentally, the company reported record Q2 2026 revenue but missed earnings estimates, with net income margin declining to 22.69% from 31.42% in 2025. Recent news highlights an ongoing investigation into fiduciary duties by Rosen Law Firm, adding uncertainty.
The outlook remains cautiously optimistic with a consensus price target of $99.57, implying 14% upside, supported by strong analyst buy ratings (69%). However, risks include earnings volatility, margin pressure from rising costs, and legal scrutiny. Investors should weigh robust revenue growth against execution risks and elevated valuation multiples like a P/E of 23.15.
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
TransMedics is a pioneering medical technology company that is disrupting the organ transplant market with its Organ Care System (OCS™). By replacing traditional cold storage with portable warm perfusion, the OCS maintains donor organs in a near-physiologic state, allowing for continuous assessment and optimization. Through its National OCS Program (NOP™), TransMedics provides an end-to-end clinical and logistics solution, including a dedicated aviation fleet, to maximize the utilization of donor organs and improve patient outcomes.
Read more on TMDX →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 →