UMC stock costs EUR 18.35 as September sales rise 27.22 percent

Published on 10/15/2026 at 10:30 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

UMC stock costs EUR 18.35 on October 15, 2026 as September revenue rose 27.22 percent year over year. Q3 results are due October 28, 2026.

Sales and reporting dates

September 2026 net sales reached TWD 25.35 billion, up 27.22 percent year over year.
UMC acquired TWD 6.98 billion of machinery and equipment on October 1, 2026.
UMC stock was trading at EUR 18.35 at 10:16 a.m. CEST at Lang & Schwarz on October 15, 2026.

UMC, US9108734057, Illustration mit AI erstellt.

United Microelectronics Corporation (ISIN US9108734057) was trading at EUR 18.35 at Lang & Schwarz on October 15, 2026, at 10:16 a.m. CEST. The latest operating figure was September revenue of TWD 25.35 billion, up 27.22 percent from September 2025, according to StockTitan.

September sales set the tone

The September 2026 sales release showed a stronger monthly increase than the year-to-date trend. Revenue for January through September reached TWD 204.01 billion, 16.08 percent above the same period in 2025, the filing reported through StockTitan. That gap between monthly and cumulative growth gives investors a concrete measure of the recent acceleration.

What does 27.22 percent growth mean?

UMC's latest disclosures point to continuing investment alongside the sales increase. A Form 6-K reported a TWD 6.98 billion machinery and equipment acquisition for production and research and development, with the transaction period ending October 1, 2026, according to StockTitan. The combination of higher sales and additional equipment places capacity and execution ahead of the next results update.

Three dates frame the update

On October 1, 2026, UMC disclosed the TWD 6.98 billion equipment transaction. On October 6, 2026, it reported September revenue of TWD 25.35 billion and year-to-date revenue of TWD 204.01 billion. On October 13, 2026, UMC scheduled its third-quarter 2026 investor conference for October 28, 2026, according to StockTitan.

Next reporting date

The next substantiated company date is October 28, 2026, when UMC plans to discuss its third-quarter financial and operating results in an online investor conference. The notice gives the event a clear near-term test for whether the September sales pace is feeding into quarterly performance.

UMC stock stays tied to execution

UMC's revenue growth is running ahead of its nine-month pace, while the equipment purchase signals continued spending on production and research and development. The October 28 conference should provide the next quantified view of demand, utilization and profitability.

UMC stock was trading at EUR 18.35 at Lang & Schwarz on October 15, 2026, at 10:16 a.m. CEST. The further course of trading is shown by the continuously updated real-time quote of UMC stock.