United Microelectronics with stable foundry business, shares tracked via Taiwan listing
26.06.2026 - 14:45:46 | ad-hoc-news.de
By Thomas Klein, Operations & Strategy desk. Reviewed prior to publication on 2026-06-26, 14:45.
United Microelectronics Corp (TW0002303005) is one of the largest pure-play foundries in Taiwan, with its shares traded on the TWSE in New Taipei City alongside sector heavyweight TSMC. The company continues to operate a diversified foundry portfolio across mature and specialty nodes for global chip designers, as highlighted in its recent investor materials.
Foundry model and global positioning
United Microelectronics Corp, commonly referred to as UMC, runs a contract manufacturing model focused on logic and specialty processes, producing integrated circuits designed by fabless and IDM customers worldwide. The company ranks behind Taiwan Semiconductor Manufacturing Co. in global foundry market share but maintains a solid position in mature-node capacity and specialty technologies, including embedded non-volatile memory and high-voltage processes for automotive and industrial applications.
According to its investor presentation and annual report, UMC generates revenue mainly in US dollars, with a globally diversified customer base spanning the United States, Europe and Asia, which helps mitigate dependence on any single region. The foundry operates multiple 200-millimeter and 300-millimeter wafer fabrication facilities in Taiwan and other locations, with cumulative installed capacity in the hundreds of thousands of wafer starts per month, supporting applications from consumer electronics to communications infrastructure.
Operations focus and capacity strategy
Operationally, United Microelectronics emphasizes cost-efficient production and high utilization rates across its fabs, particularly at mature geometry nodes such as 28-nanometer and above, where it sees sustained demand from automotive, industrial and power management segments. The company continues to invest in process improvements and selective capacity additions rather than aggressive greenfield expansion, reflecting a disciplined capital expenditure approach that aims to balance supply with end-market demand.
Management highlights that, compared with leading-edge facilities requiring significantly higher capital intensity, UMCs mature-node fabs can be expanded more gradually, supporting a more measured return on invested capital over the cycle. At the same time, the company partners with customers on long-term supply agreements in areas such as automotive, where qualification cycles are lengthy and reliability requirements are stringent, providing additional visibility on medium-term demand for its production lines.
All news and analysis on the United Microelectronics Corp shares
Further coverage on the UMC listing, including earnings dates and strategic updates, can be found on the dedicated topic page and on the companys investor relations site.
What the company sells
United Microelectronics Corp makes money by manufacturing semiconductor wafers as a contract foundry, offering process technologies such as 28-nanometer logic, embedded non-volatile memory and high-voltage platforms for automotive, industrial and communications customers worldwide.
Where the stock trades today
United Microelectronics Corp shares trade on the Taiwan Stock Exchange in New Taiwan dollars, with the latest available price data and market capitalization figures provided by the exchange and major financial data vendors on an intraday delayed basis.
United Microelectronics Corp at a glance
- Company: United Microelectronics Corp
- ISIN: TW0002303005
- WKN: 888185
- Ticker: 2303
- Trading venue: TWSE
- Price (as of 2026-06-26, 14:30): 49.50 TWD
- Market cap: 620000000000 TWD (as of 2026-06-26)
- Sector / industry: Semiconductors & Semiconductor Equipment
- Index membership: TAIEX
- Next earnings date: not officially scheduled
This article was produced with AI assistance and editorially reviewed. Price and company figures without guarantee; prices and dates may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions carry risks up to and including total loss.
