United Microelectronics (NYSE:UMC) Trading 9.3% Higher – Here’s Why

Shares of United Microelectronics Corporation (NYSE:UMC) were up 9.3% on Tuesday . The stock traded as high as $12.68 and last traded at $12.3840. Approximately 7,992,233 shares traded hands during mid-day trading, a decline of 39% from the average daily volume of 13,133,603 shares. The stock had previously closed at $11.33.

Key United Microelectronics News

Here are the key news stories impacting United Microelectronics this week:

• Positive Sentiment: Q4 results showed revenue growth and healthy margins: consolidated 4Q25 revenue rose to NT$61.81 billion (up vs. prior quarter and year) and gross margin was 30.7%, signaling underlying demand improvement. UMC Reports Fourth Quarter 2025 Results
• Positive Sentiment: UMC reported EPS of $0.13 and revenue of $1.97B for the quarter, slightly beating consensus estimates — a short-term fundamental positive versus expectations. MarketBeat UMC Summary
• Neutral Sentiment: Management’s detailed discussion is in the Q4 2025 earnings call transcript; investors may hunt the call for guidance/comments that clarify forward demand and capacity outlook. UMC Q4 2025 Earnings Call Transcript
• Negative Sentiment: Market reaction was negative: headlines noted shares “tumbled” after the report despite the revenue beat, suggesting investors were disappointed by other elements (earnings detail, guidance, or tone). UMC shares tumble 10.7% as Q4 earnings miss estimates despite revenue beat
• Negative Sentiment: Analysts moved more pessimistic: BNP Paribas Exane downgraded UMC from “neutral” to “underperform” with an $8.60 price target (material downside to the current price), and JPMorgan reaffirmed an “underweight” stance — both weigh on sentiment and can pressure the stock.
• Negative Sentiment: Additional media coverage framed the quarter as “mixed,” amplifying negative sentiment and likely contributing to selling pressure. United Microelectronics falls amid mixed Q4 results

Wall Street Analyst Weigh In

A number of brokerages recently weighed in on UMC. Weiss Ratings reissued a “hold (c-)” rating on shares of United Microelectronics in a research note on Wednesday, October 8th. Bank of America cut shares of United Microelectronics from a “buy” rating to an “underperform” rating in a research report on Wednesday, November 12th. Wall Street Zen lowered United Microelectronics from a “buy” rating to a “hold” rating in a report on Saturday, December 6th. JPMorgan Chase & Co. reaffirmed an “underweight” rating on shares of United Microelectronics in a research note on Thursday. Finally, BNP Paribas Exane cut United Microelectronics from a “neutral” rating to an “underperform” rating and set a $8.60 target price on the stock. in a research report on Wednesday. One analyst has rated the stock with a Strong Buy rating, two have assigned a Hold rating and four have given a Sell rating to the company. According to data from MarketBeat, United Microelectronics has a consensus rating of “Reduce” and an average target price of $8.60.

United Microelectronics Stock Down 7.2%

The stock has a fifty day simple moving average of $8.55 and a two-hundred day simple moving average of $7.65. The company has a current ratio of 2.34, a quick ratio of 1.92 and a debt-to-equity ratio of 0.15. The firm has a market cap of $26.54 billion, a PE ratio of 19.57, a price-to-earnings-growth ratio of 5.88 and a beta of 1.08.

United Microelectronics (NYSE:UMC) last released its quarterly earnings results on Wednesday, January 28th. The semiconductor company reported $0.13 earnings per share for the quarter, beating the consensus estimate of $0.12 by $0.01. United Microelectronics had a return on equity of 11.59% and a net margin of 17.60%.The firm had revenue of $1.97 billion for the quarter, compared to analysts’ expectations of $1.93 billion. During the same quarter last year, the firm posted $0.10 EPS. The company’s revenue was up 7.0% compared to the same quarter last year. As a group, sell-side analysts expect that United Microelectronics Corporation will post 0.51 EPS for the current fiscal year.

Institutional Inflows and Outflows

Several hedge funds have recently made changes to their positions in UMC. Smartleaf Asset Management LLC purchased a new position in shares of United Microelectronics during the 2nd quarter worth approximately $27,000. Mirae Asset Global Investments Co. Ltd. boosted its stake in United Microelectronics by 313.7% during the 3rd quarter. Mirae Asset Global Investments Co. Ltd. now owns 4,265 shares of the semiconductor company’s stock valued at $32,000 after purchasing an additional 3,234 shares during the last quarter. Wealth Alliance LLC purchased a new stake in shares of United Microelectronics during the second quarter valued at $77,000. MGO One Seven LLC purchased a new stake in shares of United Microelectronics during the 3rd quarter valued at about $77,000. Finally, Euro Pacific Asset Management LLC purchased a new stake in United Microelectronics in the third quarter worth approximately $80,000. 5.05% of the stock is owned by hedge funds and other institutional investors.

United Microelectronics Company Profile

United Microelectronics Corporation (UMC) is a Taiwan-based semiconductor foundry that provides wafer fabrication and related manufacturing services to a global customer base. Founded in 1980, the company operates as a pure-play foundry, producing integrated circuits for a range of customers including fabless semiconductor companies and integrated device manufacturers. UMC is publicly listed (NYSE: UMC) and focuses on high-reliability manufacturing rather than branding consumer products.

UMC’s core services encompass wafer fabrication using a portfolio of process technologies, with particular emphasis on mature and specialty nodes that support analog, power-management, radio-frequency (RF), and mixed-signal applications.