Onto Innovation vs United Microelectronics Corp — how do they compare? Onto Innovation trades at $278.03 (market cap $13.80B), while United Microelectronics Corp trades at $22.41 (market cap $54.48B). The key difference: United Microelectronics Corp is far larger — about 3.9× Onto Innovation's market cap, and United Microelectronics Corp pays a 1.84% dividend while Onto Innovation pays none. Which is the better fit depends on your goals.
| ONTO | UMC | |
|---|---|---|
Market Cap | $13.80B | $54.48B |
Sector | Technology | Technology |
52-Week High | $378.45 | $28.02 |
52-Week Low | $106.04 | $6.76 |
Enterprise Value | $13.38B | $51.52B |
Dividend Yield | — | 1.84% |
Signals from Pluang's Aura AI — not financial advice
ONTO Innovation trades at $281.11, up 4.89% today, with strong analyst support (12 buy ratings, 0 hold/sell) and a $392.50 consensus price target suggesting 39.6% upside. The stock shows mixed earnings performance with a recent Q2 2026 beat ($1.93 vs. $1.69 expected) but misses in prior quarters. Revenue growth remains solid at $1.01B in 2025, though net income margin compressed to 11.84%. Technical indicators are neutral with support at $277 and resistance at $284.
Outlook remains positive given robust AI-driven semiconductor demand and a $1.1B+ backlog, but high valuation multiples (P/E 105.28, P/S 12.44) leave little room for execution missteps. Key risks include fiduciary investigation news, insider selling, and reliance on semiconductor cycle strength. Institutional confidence is high with BlackRock's $2.08B recent investment.
UMC trades at $21.82, up 5.06% in 24 hours, with a bullish technical signal from moving averages but overbought RSI readings. The company reported strong Q2 2026 earnings, beating estimates with EPS of $0.54 versus $0.16 expected, and announced a $0.41 dividend payable in August 2026. Revenue trends show recovery, with 2026 projections at $250.7B and net income margin improving to 32.75%.
Outlook is positive due to earnings momentum and AI expansion plans, but risks include competitive pressures and volatility from AI spending concerns. Analyst consensus is mixed with 27% buy ratings, suggesting cautious optimism amid high valuation multiples like P/E of 20.96.
Trailing returns across standard periods
Onto Innovation provides process control solutions for semiconductor manufacturing. Its inspection and metrology systems help chipmakers measure, analyze, and detect defects on wafers and advanced packages.
Read more on ONTO →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 →