Atomera Incorporated vs United Microelectronics Corp — how do they compare? Atomera Incorporated trades at $6.2 (market cap $247.40M), while United Microelectronics Corp trades at $24.78 (market cap $59.23B). The key difference: United Microelectronics Corp is far larger — about 239.4× Atomera Incorporated's market cap, and United Microelectronics Corp pays a 1.73% dividend while Atomera Incorporated pays none. Which is the better fit depends on your goals.
| ATOM | UMC | |
|---|---|---|
Market Cap | $247.40M | $59.23B |
Sector | Technology | Technology |
52-Week High | $12.11 | $28.02 |
52-Week Low | $1.99 | $6.58 |
Enterprise Value | $207.61M | $56.81B |
Dividend Yield | — | 1.73% |
Signals from Pluang's Aura AI — not financial advice
ATOM trades at $6.25, down 5.73% over 24 hours, reflecting a bearish technical outlook with negative earnings trends. The company reported a net loss of $20.17 million in 2025 on minimal revenue of $65,000, with profitability metrics deeply negative. Recent news highlights Atomera's focus on semiconductor technology advancements, including GaN-on-Silicon collaborations, but financial performance remains a significant concern.
The outlook is cautious due to persistent losses and weak revenue, though analyst consensus is unanimously bullish with a 100% buy rating. Key risks include execution challenges in monetizing technology and high cash burn. Upside depends on successful commercialization of its semiconductor IP, but current fundamentals suggest high volatility and substantial shareholder risk.
UMC trades at $23.46, down 3.62% over the past day, with a bearish technical signal despite recent earnings beats. The company reported Q1 2026 EPS of $0.20, exceeding expectations of $0.12, and announced a $0.41 dividend payable in August 2026. Revenue grew to $237.55 billion in 2025, though net income margin has declined from 32.1% in 2022 to 16.99% in 2025. Positive developments include mass production of silicon photonics ICs and a new 14nm eHV FinFET platform.
Outlook remains mixed with strong operational cash flow and technological advancements balanced against high valuation multiples and margin compression. Key risks include competitive pressures in semiconductor foundry markets and sensitivity to global economic cycles. Analyst consensus is cautious with 53.3% hold ratings, suggesting limited near-term upside despite solid fundamentals.
Trailing returns across standard periods
Atomera is a semiconductor materials engineering company. Its Mears Silicon Technology (MST) is a patented thin film that enhances transistor performance, power efficiency, and cost for global chip manufacturers.
Read more on ATOM →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 →