Compare Seagate Technology Holdings PLC (STX) vs United Microelectronics Corp (UMC) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Seagate Technology Holdings PLC vs United Microelectronics Corp — how do they compare? Seagate Technology Holdings PLC trades at $887.81 (market cap $205.65B), while United Microelectronics Corp trades at $22.32 (market cap $54.48B). The key difference: Seagate Technology Holdings PLC is far larger — about 3.8× United Microelectronics Corp's market cap, and United Microelectronics Corp pays the higher dividend (1.84%). Which is the better fit depends on your goals.
| STX | UMC | |
|---|---|---|
Market Cap | $205.65B | $54.48B |
Sector | Technology | Technology |
52-Week High | $1.09K | $28.02 |
52-Week Low | $193.04 | $6.76 |
Enterprise Value | $207.80B | $51.52B |
Dividend Yield | 0.33% | 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
Seagate Technology (STX) trades at $904.38, up 6.49% today, with strong momentum driven by AI infrastructure demand. The stock shows bullish technical signals with support at $868 and resistance at $933. Recent earnings beats and robust 2026 revenue guidance of $12.2B highlight fundamental strength, though valuation ratios remain elevated with P/E at 65.06. Analyst consensus is bullish with a $1,130 price target, supported by institutional accumulation and positive media coverage of HAMR technology adoption.
Outlook: STX benefits from AI-driven storage demand and operational execution, but faces risks from high debt and competitive pressures. The stock's premium valuation requires sustained growth to justify upside. Near-term catalysts include Q3 earnings and product ramps, while macroeconomic volatility and execution missteps pose headwinds. Investor sentiment remains positive, but caution is warranted given rich multiples.
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.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
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Latest headlines on both assets
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About Seagate Technology Holdings PLC
Seagate is a leading supplier of hard disk drives for data storage to the enterprise and consumer markets. It forms a practical duopoly in the market with its chief rival, Western Digital
Read more on STX →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 →
