With a market capitalization (market cap) of $46.1B — a measure of how much the company is worth — United Microelectronics Corporation is the 347th most valuable company in Technology as of August 18, 2026. Shares trade at $18.48, down +5.38% on the day.
of 2,587
price ÷ annual EPS
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
FY 2025
United Microelectronics Corporation (UMC) operates as a specialized semiconductor wafer foundry, extending its services globally with operations across Taiwan, Singapore, China, Hong Kong, Japan, the United States, and Europe. The company offers a comprehensive range of solutions, from initial circuit blueprinting and mask generation to wafer manufacturing, final assembly, and rigorous testing. UMC's customer base consists of both integrated device manufacturers and companies focused solely on chip design. This corporation, founded in 1980, has its primary headquarters situated in Hsinchu City, Taiwan.
Visit websiteAs of August 18, 2026, United Microelectronics Corporation (UMC) is worth $46.1B — this is its market capitalization, the total value of all its outstanding shares.
United Microelectronics Corporation’s market cap is $46.1B, which ranks it #347 among the most valuable companies in the Technology sector tracked on MarketCapLens.
United Microelectronics Corporation (UMC) shares trade at $18.48, down 5.38% on the day, as of August 18, 2026.
Fundamentals are annual. Figures labeled with their fiscal year.
FY 2025
United Microelectronics Corporation trades at a price-to-earnings (P/E) ratio of 1.1, based on its latest share price and annual earnings per share.