United Microelectronics Corporation (UMC)

NYSE: UMC · Real-Time Price · USD

11.66

-0.03 (-0.26%)

At close: Apr 28, 2026, 4:00 PM EDT

11.74

+0.08 (0.69%)

After-hours: Apr 28, 2026, 7:58 PM EDT

United Microelectronics Market Cap

United Microelectronics has a market cap or net worth of $29.95 billion as of April 28, 2026. Its market cap has increased by 82.31% in one year.

Market Cap

29.95B

Enterprise Value

28.39B

1-Year Change

82.31%

Ranking

#466

Market Cap Chart

Since September 19, 2000, United Microelectronics's market cap has decreased from $49.90B to $29.95B, a decrease of -39.98%. That is a compound annual growth rate of -1.97%.

Market Cap History

Date	Market Cap	% Change
Apr 27, 2026	29.36B	48.73%
Dec 31, 2025	19.74B	21.36%
Dec 31, 2024	16.26B	-23.13%
Dec 29, 2023	21.16B	29.78%
Dec 30, 2022	16.30B	-43.91%
Dec 31, 2021	29.07B	47.05%
Dec 31, 2020	19.77B	196.83%
Dec 31, 2019	6.66B	47.35%
Dec 31, 2018	4.52B	-25.10%
Dec 29, 2017	6.03B	35.14%
Dec 30, 2016	4.47B	-6.68%
Dec 31, 2015	4.78B	-16.96%
Dec 31, 2014	5.76B	9.04%
Dec 31, 2013	5.28B	1.47%
Dec 31, 2012	5.21B	-6.32%
Dec 30, 2011	5.56B	-32.28%
Dec 31, 2010	8.21B	-18.56%
Dec 31, 2009	10.08B	94.56%
Dec 31, 2008	5.18B	-43.86%
Dec 31, 2007	9.23B	-33.21%
Dec 29, 2006	13.82B	24.45%
Dec 30, 2005	11.10B	-1.37%
Dec 31, 2004	11.26B	-25.39%
Dec 31, 2003	15.09B	47.31%
Dec 31, 2002	10.24B	-65.17%

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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