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United Microelectronics Corporation (UMC)
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United Microelectronics Corporation (UMC) Share Buybacks

The buybacks for United Microelectronics Corporation (UMC) is $59.67 Million with a year-over-year change of -39.95%. Share buybacks (stock repurchases) represent cash spent by the company to buy back its own shares in the open market, reducing shares outstanding and returning capital to shareholders.

UMC Buybacks

UMC Buybacks Chart

$59.67M

Reported annual fiscal-period values; no daily interpolation.

-64.10% 10Y

Current Buybacks

$59.67M

$59.67 Million

Year-over-Year Change

-39.95%

vs. $99.36M prior year

Historical Data

16

Years of data available

Annual Buybacks History

YearBuybacksYoY Change% Change
2020$59.67M$-39.70M-39.95%
2019$99.36M$-101.69M-50.58%
2018$201.05M+$127.31M+172.64%
2016$73.74M+$6.93M+10.38%
2015$66.81M$-8.35M-11.11%
2013$75.16M$-91.03M-54.78%
2010$166.18M+$91.39M+122.19%
2009$74.79M+$5.41M+7.81%
2008$69.38M$-768.02M-91.72%
2006$837.40M+$334.57M+66.54%
2005$502.83M+$326.21M+184.69%
2004$176.62M+$106.08M+150.37%
2003$70.55M$-19.52M-21.67%
2002$90.06M$-53.58M-37.30%
2001$143.64M+$97.45M+210.98%
2000$46.19M
Data as of Wednesday, June 24, 2026

About United Microelectronics Corporation

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.

Hsinchu City
20,000 employees
Technology / Semiconductors
Sector
Technology
Industry
Semiconductors
CEO
Jason S. Wang