Banco Santander SA vs United Microelectronics Corp — how do they compare? Banco Santander SA trades at $14.79 (market cap $218.36B), while United Microelectronics Corp trades at $22.2 (market cap $54.48B). The key difference: Banco Santander SA is far larger — about 4× United Microelectronics Corp's market cap, and Banco Santander SA pays the higher dividend (1.87%). Which is the better fit depends on your goals.
| SAN | UMC | |
|---|---|---|
Market Cap | $218.36B | $54.48B |
Sector | Financials | Technology |
52-Week High | $15.05 | $28.02 |
52-Week Low | $9.65 | $6.76 |
Dividend Yield | 1.87% | 1.84% |
Enterprise Value | — | $51.52B |
Signals from Pluang's Aura AI — not financial advice
Banco Santander (SAN) trades at $14.86, down 0.47% on the day, with a bullish technical signal from moving averages and a moderate buy consensus from analysts (64% buy ratings). The company reported record profitability in H1 2026 with a net income margin of 26.25% and recently completed the Webster acquisition to expand its U.S. presence, though cash flow trends show recent operational outflows.
SAN's outlook is supported by strong profitability and strategic expansion, but risks include volatile cash flows, high leverage with a debt-to-asset ratio of 17.8, and integration challenges from acquisitions. The stock offers value with a P/E of 14.47, but investors should weigh execution risks against growth potential.
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.
Trailing returns across standard periods
Santander's focus is on retail and commercial banking. Latin America is geographically the largest operation, with Brazil by far the largest. Its continental European business is still mainly Iberian. Santander's U.K. presence is the result of the acquisition of building society Abbey. In the U.S., Santander operates a vehicle finance business and a regional bank focused on the Northeastern states.
Read more on SAN →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 →