Vanguard Mega Cap Growth ETF vs PubMatic Inc — how do they compare? Vanguard Mega Cap Growth ETF trades at $87.66, while PubMatic Inc trades at $12.71 (market cap $607.48M). Which is the better fit depends on your goals.
| MGK | PUBM | |
|---|---|---|
Sector | Broad Market / Factor | Technology |
52-Week High | $92.06 | $13.83 |
52-Week Low | $70.70 | $6.28 |
Market Cap | — | $607.48M |
Enterprise Value | — | $504.98M |
Signals from Pluang's Aura AI — not financial advice
MGK, the Vanguard Mega Cap Growth ETF, trades at $86.83 with no recent price change. The technical outlook is bearish based on moving averages, while oscillators are neutral. Recent news highlights its low expense ratio of 0.05% and concentrated portfolio of 69 large-cap growth stocks, including heavy exposure to technology leaders. A 1:5 stock split occurred on April 21, 2026, and a small dividend is scheduled for June 2026.
MGK offers exposure to top U.S. growth companies but faces risks from high concentration in tech stocks and market volatility. Its long-term performance history and cost efficiency present opportunities for growth-focused investors, though sector-specific downturns could impact returns significantly.
PUBM trades at $13.07, up 2.67% today, with a bullish technical signal from moving averages and oversold RSI conditions. The company reported a net loss of -$14.46M in 2025 despite beating Q1 2026 EPS estimates, with revenue at $282.93M. Recent news highlights product launches like AgenticOS and partnerships expanding its AI-powered ad tech reach, while analyst consensus is evenly split between Buy and Hold.
The outlook is mixed: strong cash flow and innovation in AI advertising support growth potential, but persistent negative margins and high P/E of 132 pose valuation risks. Upside exists if upcoming Q2 2026 earnings beat expectations, though competitive and macroeconomic pressures remain headwinds for profitability.
Trailing returns across standard periods
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 →PubMatic Inc is engaged in the digital advertising business. The company provides a specialized cloud infrastructure platform that enables real-time programmatic advertising transactions. The platform helps independent app developers and publishers to control and maximize their digital advertising businesses.
Read more on PUBM →