IONQ Inc vs United Microelectronics Corp — how do they compare? IONQ Inc trades at $35.63 (market cap $12.78B), while United Microelectronics Corp trades at $21.14 (market cap $51.00B). The key difference: United Microelectronics Corp is far larger — about 4× IONQ Inc's market cap, and United Microelectronics Corp pays a 2.03% dividend while IONQ Inc pays none. Which is the better fit depends on your goals.
| IONQ | UMC | |
|---|---|---|
Market Cap | $12.78B | $51.00B |
Sector | Technology | Technology |
52-Week High | $82.09 | $28.02 |
52-Week Low | $26.59 | $6.58 |
Enterprise Value | $10.78B | $48.57B |
Dividend Yield | — | 2.03% |
Signals from Pluang's Aura AI — not financial advice
IONQ trades at $34.24, down 1.55% with a bearish technical signal despite bullish oscillators. The company shows strong revenue growth projections from $130M in 2025 to $187M in 2026, but remains unprofitable with a net loss of $510M in 2025. Analyst consensus is split with a $73.75 price target representing 115% upside potential. Recent news highlights IonQ's leadership in quantum computing platform development and government validation.
The stock offers significant upside potential based on analyst targets but faces execution risks in achieving profitability. High valuation multiples (P/E 89.18, P/S 58.73) reflect growth expectations, while negative cash flow from operations and competitive threats in quantum computing present substantial risks for investors.
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
IonQ is a leader in quantum computing, developing world-class quantum systems. Its technology aims to solve complex problems across finance, healthcare, and materials science that are beyond classical computers.
Read more on IONQ →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 →