UMC
United Microelectronics Corporation
NYSE · Technology · Semiconductors · TW
$20.77
+4.58%Sep 4, 2026, 06:32 UTC
United Microelectronics Corporation reported August sales of NT$25.04 billion, up 30.7% year-over-year.
Source:Sep 4, 2026, 01:46 UTC
Taiwan's stock market opened higher on September 4, 2026, surging over 700 points to a high of 46,603.11 before paring gains, led by electronics heavyweights and AI-related stocks.
Source:Sep 4, 2026, 01:42 UTC
Fubon Financial's market capitalization reached NT$2 trillion, making it a new member of the NT$2 trillion club, while Cathay Financial's market cap surpassed NT$1.65 trillion, overtaking UMC to enter the top 10 in Taiwan's stock market.
Source:Sep 1, 2026, 03:45 UTC
Taiwan's four major wafer fabs—TSMC, UMC, PSMC, and Vanguard—collectively consumed 34.271 billion kWh of electricity in 2025, equivalent to about 8.32 million households, as they continue expanding production capacity.
Source:Aug 28, 2026, 05:45 UTC
United Microelectronics Corporation (UMC) shares surged to the daily limit at NT$130 on August 28, 2026, with trading volume of 310,000 lots and turnover exceeding NT$40.956 billion, ending a two-day decline.
Aug 26, 2026, 06:44 UTC
United Microelectronics Corporation (UMC) announced that proceeds from its bond issuance will be used to purchase machinery and equipment and for factory construction.
Source:Aug 26, 2026, 06:07 UTC
United Microelectronics Corporation's board approved the issuance of convertible bonds worth up to US$1.8 billion.
Source:Aug 24, 2026, 21:30 UTC
United Microelectronics (UMC) shares surged 6% to close at T$123.5 on August 24, 2026, on heavy volume of 194,000 lots, the highest on the Taiwan stock exchange, driven by silicon photonics momentum.
Source:Aug 15, 2026, 05:58 UTC
Taiwan listed and OTC companies reported Q2 2026 after-tax net profit of NT$2.08 trillion, up 33.25% quarter-on-quarter and 172.01% year-on-year, the first time exceeding NT$2 trillion in a single quarter; H1 net profit reached NT$3.65 trillion, up 116.85% year-on-year.
Source:Aug 13, 2026, 22:00 UTC
United Microelectronics disclosed an annual dividend of $0.4122 per share, paid on August 6, 2026, to shareholders of record on July 8, 2026, an increase from the previous annual dividend of $0.37.
Source:Aug 12, 2026, 13:45 UTC
Norway's sovereign wealth fund (NBIM) disclosed its Taiwan stock holdings as of end-June, showing a reshuffled top-10 list with MediaTek overtaking Hon Hai as the second-largest holding and Yageo jumping from 18th to 5th.
Aug 6, 2026, 07:00 UTC
UMC (United Microelectronics Corporation) reported July sales of NT$23.84 billion, up 19% year-on-year.
Aug 4, 2026, 17:36 UTC
World Advanced (5347) chairman Fang Lue said at an earnings call that AI demand is driving mature-process supply tightness, with prices to keep rising in 2027 at a larger increase than this year; UMC and PSMC subsequently echoed that mature-process foundry prices will be higher next year.
Source:Aug 3, 2026, 17:38 UTC
Powerchip Semiconductor Manufacturing Corporation (PSMC) exclusively supplies Intel with silicon capacitors for EMIB-T advanced packaging, with existing capacity fully booked by customers and active expansion underway.
Source:Aug 3, 2026, 17:38 UTC
United Microelectronics Corporation (UMC) manufactures silicon bridge components for Intel's EMIB technology, with strong orders and production at 12-inch fabs in Taiwan and Singapore.
Source:Aug 2, 2026, 11:30 UTC
United Microelectronics Corporation (UMC) announced that its third-quarter wafer shipments are expected to increase by 4% to 6% quarter-over-quarter, with overall capacity utilization expected to exceed 90%, driven by recovering demand in communications and specialty processes.
Source:Aug 2, 2026, 11:30 UTC
UMC announced a phased expansion plan to develop its silicon photonics platform, targeting high-speed optical communications and AI data center opportunities.
Source:Jul 31, 2026, 13:30 UTC
UMC's stock price hit the daily limit up, rising 18.05% over two consecutive sessions.
Source:Jul 30, 2026, 13:30 UTC
United Microelectronics raised its 2026 capital-expenditure budget to support silicon photonics and advanced-packaging growth initiatives.
Source:Jul 30, 2026, 05:53 UTC
Holtek Semiconductor announced a 10-20% price increase across its entire product line, effective soon, due to rising costs from AI-driven demand and capacity constraints.
Source:Jul 30, 2026, 03:56 UTC
United Microelectronics Corp's board approved an investment of up to NT$1.7 billion in a private equity fund.
Source:Jul 29, 2026, 09:33 UTC
United Microelectronics Corporation (UMC) plans to issue up to NT$10 billion in convertible bonds.
Source:Jul 29, 2026, 08:36 UTC
United Microelectronics Corporation announces it will build a new wafer fab in Tainan, Taiwan, to meet AI demand.
Jul 20, 2026, 03:55 UTC
UMC is expanding into silicon photonics in Singapore, moving production from 8-inch to 12-inch wafers.
Source:Jul 19, 2026, 18:58 UTC
United Microelectronics Corporation (UMC) is evaluating the expansion of its Nanke 12AP7 fab in Tainan, Taiwan, due to strong orders from Qualcomm, Intel, and Sandisk.
Source:Jul 12, 2026, 17:29 UTC
TSMC announced price increases for mature process manufacturing, extending its price hike from advanced to mature processes.
Jul 12, 2026, 17:29 UTC
UMC issued a price increase notice to customers earlier this month, selectively raising prices for new processes and orders due to rising raw material and Singapore fab expansion costs.
Source:Jul 6, 2026, 07:52 UTC
United Microelectronics Corporation announced an ex-dividend date of July 8, 2026, with a cash dividend of NT$2.608 per share.
Jun 26, 2026, 16:30 UTC
United Microelectronics Corporation declared an annual dividend of $0.4122 per share, payable on August 6, 2020 to shareholders of record on July 8, 2020.
Source:Jun 23, 2026, 01:48 UTC
United Microelectronics Corp. is reportedly partnering with Intel Corp. to develop advanced semiconductor manufacturing process technologies, focusing on 12nm and 3nm nodes at Intel's Arizona facility.
Jun 12, 2026, 13:29 UTC
Four Republican lawmakers urged the U.S. International Trade Commission to block imports of foreign-made chips found to infringe U.S. patents in a case centered on TSMC.
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