United Microelectronics (UMC) - Market capitalization

Market cap: HK$156.67 Billion

As of December 2025 United Microelectronics has a market cap of HK$156.67 Billion. This makes United Microelectronics the world's 1102th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of United Microelectronics from 2009 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	HK$156.67 B	20.91%
2024	HK$129.58 B	-21.57%
2023	HK$165.22 B	29.72%
2022	HK$127.36 B	-43.87%
2021	HK$226.92 B	40.71%
2020	HK$161.26 B	246.02%
2019	HK$46.60 B	35.45%
2018	HK$34.40 B	-24.29%
2017	HK$45.44 B	35.84%
2016	HK$33.45 B	-2.9%
2015	HK$34.45 B	-23.8%
2014	HK$45.21 B	13.13%
2013	HK$39.96 B	0.88%
2012	HK$39.61 B	-7.66%
2011	HK$42.90 B	-21.87%
2010	HK$54.91 B	3.21%
2009	HK$53.20 B

End of Day market cap according to different sources

On Dec 17th, 2025 the market cap of United Microelectronics was reported to be:

HK$156.14 Billion

by Nasdaq

HK$156.67 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
ASE Group ASX	HK$250.31 B	59.77%	🇹🇼 Taiwan
TSMC TSM	HK$11.174 T	7,031.97%	🇹🇼 Taiwan
Intel INTC	HK$1.337 T	753.77%	🇺🇸 USA
Tower Semiconductor TSEM	HK$98.20 B	-37.32%	🇮🇱 Israel
IBM IBM	HK$2.205 T	1,307.69%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of United Microelectronics (UMC)

Market cap: HK$156.67 Billion