United Microelectronics Corp vs Williams Companies Inc — how do they compare? United Microelectronics Corp trades at $19.27 (market cap $47.81B), while Williams Companies Inc trades at $73.04 (market cap $88.45B). The key difference: Williams Companies Inc is the larger of the two by market cap, and Williams Companies Inc pays the higher dividend (2.9%). Which is the better fit depends on your goals.
| UMC | WMB | |
|---|---|---|
Market Cap | $47.81B | $88.45B |
Sector | Technology | Energy |
52-Week High | $28.02 | $79.40 |
52-Week Low | $6.58 | $56.51 |
Enterprise Value | $44.93B | $119.07B |
Dividend Yield | 2.12% | 2.9% |
Signals from Pluang's Aura AI — not financial advice
UMC trades at $19.50, up 3.78% today, with neutral technical signals and strong fundamental performance. The company has consistently beaten earnings estimates in recent quarters, with Q2 2026 EPS of $0.54 significantly exceeding the $0.16 expectation. Recent announcements include fab expansions in Singapore and Taiwan to meet AI-driven demand, supported by growing silicon photonics production. Valuation metrics show a P/E of 18.55 and P/S of 6.02, with robust profitability margins including 32.75% net income margin.
Outlook remains positive with projected revenue growth to $250.7B in 2026 and net income rebound to $82.1B. Key risks include semiconductor cycle volatility and execution challenges from capacity expansion. Analyst consensus shows mixed sentiment with 26.7% buy ratings versus 20% sell recommendations, suggesting cautious optimism amid expansion initiatives.
Williams Companies (WMB) trades at $73.60, up 2.44% with a bullish technical signal despite mixed earnings history. The company reported strong Q1 2026 results but missed Q2 estimates, while raising full-year EBITDA guidance to $8.4 billion. Analyst consensus remains strongly bullish with a $87.14 price target, supported by the recent $5.5 billion Momentum Midstream acquisition that enhances Gulf Coast exposure and supports 11% annual growth targets through 2030.
WMB presents a compelling investment case with strong profitability metrics (25.18% net margin, 24.02% ROE) and dividend stability ($2.10 annualized). Key risks include execution challenges from the Momentum integration, debt levels at 52.07% of assets, and potential volatility from energy market fluctuations. The stock offers 18% upside to consensus target with institutional support despite recent position reductions.
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 →Williams is a midstream energy company that owns and operates the large Transco and Northwest pipeline systems and associated natural gas gathering, processing, and storage assets. In August 2018, the firm acquired the remaining 26% ownership of its limited partner, Williams Partners.
Read more on WMB →