UMC Reports 5.20% YoY Revenue Increase for September, YTD Revenue Up 2.23%.

UMC reported a 5.20% YoY revenue increase for September, reaching NT$19.93 billion, and a 2.23% YoY revenue rise for the year, totaling NT$175.74 billion. Despite revenue gains, the stock is rated as a Hold by analysts with a 13.3% appreciation YoY. The company has a strong financial foundation, with a 3-year revenue growth rate of 2.6%, operating margin of 19.54%, and net margin of 17.36%. However, there are warning signs, including an Altman Z-Score of 2.9 and moderate financial stress.

United Microelectronics Corporation (UMC), a leading global semiconductor foundry, reported its September 2025 revenue figures, showing a robust 5.20% year-over-year (YoY) increase to NT$19.93 billion United Microelectronics’ September revenue rise 5.2% Y/Y to NT$19.93B^[1]. This performance builds upon the company's year-to-date (YTD) revenue growth, which rose by 2.23% to NT$175.74 billion. Despite these encouraging financial results, analysts have maintained a cautious stance, assigning a Hold rating to the stock United Microelectronics’ September revenue rise 5.2% Y/Y to NT$19.93B^[1].

The stock price of UMC has seen significant appreciation, rising by nearly 13.3% year-to-date (YTD), despite the Hold rating. This indicates a positive market sentiment towards UMC's recent performance. The company's strong financial foundation is evident in its 3-year revenue growth rate of 2.6%, operating margin of 19.54%, and net margin of 17.36% United Microelectronics’ September revenue rise 5.2% Y/Y to NT$19.93B^[1].

However, there are some warning signs that analysts are considering. The Altman Z-Score, a measure of financial distress, stands at 2.9, indicating moderate financial stress. This score suggests that while UMC is not in immediate distress, there are underlying financial risks that investors should be aware of United Microelectronics’ September revenue rise 5.2% Y/Y to NT$19.93B^[1].

In addition to its financial performance, UMC has been making strides in environmental sustainability. The company has achieved a significant milestone by becoming the first semiconductor foundry globally to receive SBTi validation for its 1.5°C-aligned net-zero targets United Microelec Stock Price, News & Analysis^[2]. This commitment to sustainability is likely to attract environmentally conscious investors.

Overall, UMC's September revenue growth demonstrates the company's resilience and growth potential. However, the Hold rating from analysts underscores the need for continued vigilance regarding the company's financial health and the broader semiconductor market dynamics. Investors should closely monitor UMC's future performance and the potential impact of regulatory changes and market conditions on the company's financial outlook.