Number of shares outstanding for United Microelectronics (UMC)

Number of shares outstanding as of December 2025 : 2,497,032,600

According to United Microelectronics's latest financial reports and stock price the company's current number of shares outstanding is 2,497,032,600. At the end of 2025 the company had 2,497,032,600 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for United Microelectronics from 2009 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	2.49 B	0.39%
2024	2.48 B	0.53%
2023	2.47 B	0.53%
2022	2.46 B	0.81%
2021	2.44 B	0.81%
2020	2.42 B	3.41%
2019	2.34 B	-2.87%
2018	2.41 B	-1.26%
2017	2.44 B	0%
2016	2.44 B	-2.53%
2015	2.50 B	0.19%
2014	2.50 B	-0.14%
2013	2.50 B	-0.88%
2012	2.52 B	0.92%
2011	2.50 B	-0.98%
2010	2.52 B	-1.01%
2009	2.55 B	2.18%
2008	2.49 B

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
ASE Group ASX	2,174,000,000	-12.94%	🇹🇼 Taiwan
TSMC TSM	5,185,520,000	107.67%	🇹🇼 Taiwan
Intel INTC	4,514,000,000	80.77%	🇺🇸 USA
Tower Semiconductor TSEM	112,132,000	-95.51%	🇮🇱 Israel
IBM IBM	933,900,000	-62.60%	🇺🇸 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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