Vanguard Mega Cap Growth ETF vs Zscaler Inc — how do they compare? Vanguard Mega Cap Growth ETF trades at $90.18, while Zscaler Inc trades at $176.65 (market cap $28.87B). The key difference: Vanguard Mega Cap Growth ETF is trading nearer its 52-week high, Zscaler Inc nearer its low. Which is the better fit depends on your goals.
| MGK | ZS | |
|---|---|---|
Sector | Broad Market / Factor | Technology |
52-Week High | $92.06 | $336.27 |
52-Week Low | $70.70 | $118.05 |
Market Cap | — | $28.87B |
Enterprise Value | — | $27.20B |
Signals from Pluang's Aura AI — not financial advice
MGK trades at $90.21, down 0.46% on the day, with a bullish technical signal supported by moving averages. The ETF focuses on mega-cap growth stocks with heavy technology concentration and a low 0.05% expense ratio. Recent news highlights institutional buying activity and strong five-year performance compared to peers.
Outlook remains positive given MGK's track record of outperforming the S&P 500, though high RSI readings suggest potential near-term consolidation. Risks include concentration in tech stocks and market volatility, but the ETF's low-cost structure and exposure to market leaders provide long-term growth potential.
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
MGK is an ETF that seeks to track the performance of the CRSP US Mega Cap Growth Index. It provides a low-cost, diversified exposure to the largest growth companies in the U.S. stock market. The fund is composed of mega-cap stocks that exhibit key growth factors, including high expected long-term earnings growth, high historical sales and earnings growth, and high return on assets. MGK is typically used by investors seeking long-term capital appreciation from market-leading firms.
Read more on MGK →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 →