Vanguard Mega Cap Growth ETF vs United Microelectronics Corp — how do they compare? Vanguard Mega Cap Growth ETF trades at $87.34, while United Microelectronics Corp trades at $21.86 (market cap $51.00B). The key difference: United Microelectronics Corp pays a 2.03% dividend while Vanguard Mega Cap Growth ETF pays none. Which is the better fit depends on your goals.
| MGK | UMC | |
|---|---|---|
Sector | Broad Market / Factor | Technology |
52-Week High | $92.06 | $28.02 |
52-Week Low | $70.70 | $6.58 |
Market Cap | — | $51.00B |
Enterprise Value | — | $48.57B |
Dividend Yield | — | 2.03% |
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.
UMC trades at $20.41, down 3.95% for the day, with a bearish technical signal but oversold RSI readings. The company reported Q1 2026 EPS of $0.20, beating expectations, and maintains strong profitability with a 20.25% net margin. Recent news highlights mass production of silicon photonics ICs and a new 14nm eHV platform, signaling innovation in semiconductor technology.
Outlook is mixed: analyst consensus leans Hold (53%) amid high valuation multiples (P/E 34.5), but earnings beats and specialty tech growth offer upside. Risks include competitive pressures and margin compression from 32.1% in 2022 to 17.0% in 2025. Cash flow improved to $5.66B net in 2025, supporting dividend payments.
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 →Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with 7% market share in 2021, according to Gartner, after TSMC and GlobalFoundries. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the U.S. and South Korea. UMC features a diverse customer base including Texas Instruments, MediaTek, Qualcomm, Broadcom, Xilinx and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 20,000 people.
Read more on UMC →