United Microelectronics Corp vs Vanguard S&P 500 Growth Index Fund ETF — how do they compare? United Microelectronics Corp trades at $19.4 (market cap $47.81B), while Vanguard S&P 500 Growth Index Fund ETF trades at $85.18. The key difference: United Microelectronics Corp pays a 2.12% dividend while Vanguard S&P 500 Growth Index Fund ETF pays none, and Vanguard S&P 500 Growth Index Fund ETF is trading nearer its 52-week high, United Microelectronics Corp nearer its low. Which is the better fit depends on your goals.
| UMC | VOOG | |
|---|---|---|
Market Cap | $47.81B | — |
Sector | Technology | Broad Market / Factor |
52-Week High | $28.02 | $85.42 |
52-Week Low | $6.58 | $65.32 |
Enterprise Value | $44.93B | — |
Dividend Yield | 2.12% | — |
Signals from Pluang's Aura AI — not financial advice
UMC trades at $19.40, up 3.25% with a neutral technical signal. The company reported strong Q2 2026 earnings, beating estimates with $0.54 EPS, and announced fab expansions in Singapore and Taiwan to meet AI demand. Revenue growth is projected to rise to $250.7 billion in 2026, with net income margin improving to 32.75%. Cash flow turned positive in 2025 at $5.66 billion, supporting strategic investments.
Outlook is positive due to AI-driven demand and operational execution, but risks include competitive pressures and capital expenditure volatility. Analysts show mixed sentiment with 26.7% buy ratings, highlighting cautious optimism amid expansion plans.
VOOG trades at $85.18, down slightly by 0.02% today. Technical indicators show a bullish trend with moving averages supporting upside momentum, though the relative strength index suggests potential overbought conditions near-term. Recent news highlights institutional accumulation, including Apella Capital increasing holdings by 463.2% as of August 2026, and the ETF hitting a new 52-week high, reflecting strong investor interest in large-cap growth exposure.
The outlook remains positive given the ETF's low expense ratio of 0.07% and focus on S&P 500 growth stocks, but risks include high concentration in technology sectors and sensitivity to market volatility. Continued institutional inflows and bullish technical signals support further gains, though overbought levels warrant caution.
Trailing returns across standard periods
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 →VOOG is an index-based ETF that tracks the S&P 500 Growth Index, composed of the growth-oriented companies within the S&P 500. It selects constituents based on three key metrics—sales growth, the ratio of earnings change to price, and momentum—offering a highly liquid and low-cost way to capture the high-performing 'growth slice' of the broader U.S. large-cap market.
Read more on VOOG →