Compare MasTec Inc (MTZ) vs United Microelectronics Corp (UMC) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
MasTec Inc vs United Microelectronics Corp — how do they compare? MasTec Inc trades at $240.92 (market cap $19.77B), while United Microelectronics Corp trades at $22.2 (market cap $54.48B). The key difference: United Microelectronics Corp is far larger — about 2.8× MasTec Inc's market cap, and United Microelectronics Corp pays a 1.84% dividend while MasTec Inc pays none. Which is the better fit depends on your goals.
| MTZ | UMC | |
|---|---|---|
Market Cap | $19.77B | $54.48B |
Sector | Technology | Technology |
52-Week High | $437.51 | $28.02 |
52-Week Low | $189.18 | $6.76 |
Enterprise Value | $22.69B | $51.52B |
Dividend Yield | — | 1.84% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
MasTec (MTZ) trades at $246.18, up 3.79% today, with strong analyst support (88.9% buy ratings) and a consensus price target of $436.50. The stock shows bearish technical signals but benefits from record $21.4B backlog and AI infrastructure exposure. Recent Q2 2026 earnings missed expectations slightly, though revenue grew 23% year-over-year. The company raised its 2026 outlook, highlighting expanding data center capabilities and power delivery growth.
MTZ presents a growth opportunity driven by infrastructure demand and AI-linked projects, but faces risks from premium valuation (P/E 39.2), weak cash flow trends, and communications segment softness. Investors should weigh strong institutional interest against execution challenges in a competitive market.
UMC trades at $21.82, up 5.06% in 24 hours, with a bullish technical signal and strong earnings beats in recent quarters. The stock shows robust fundamentals with a net income margin of 32.75% and ROE of 21.03%, though revenue has moderated from 2022 peaks. Recent news highlights sales growth, AI expansion plans, and mixed analyst sentiment amid volatility in the semiconductor sector.
Outlook is positive with earnings momentum and strategic investments in silicon photonics, but risks include competitive pressures and reliance on AI spending cycles. Analysts are divided, with 26.7% buy ratings versus 53.3% hold, suggesting cautious optimism for long-term growth despite near-term overbought signals.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
About MasTec Inc
MasTec, Inc. is a leading infrastructure construction company operating mainly in North America. The company's services cover a diverse range of end-markets, including communications (building fiber and wireless infrastructure), oil & gas, electric power (transmission, distribution, and clean energy), and industrial projects. MTZ provides critical engineering, procurement, and construction (EPC) services that support the expansion and maintenance of essential infrastructure across the continent.
Read more on MTZ →About United Microelectronics Corp
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 →
