United Microelectronics Corporation is a semiconductor wafer foundry operating in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and other international markets. It manufactures and sells integrated circuits and offers circuit design, mask tooling, wafer fabrication, and assembly and testing services for communication devices, consumer electronics, computers, and other applications. The company also provides venture capital and marketing support, consulting and planning, energy technical services, solar engineering integrated design, research and development, and insurance services. Incorporated in 1980, it is headquartered in Hsinchu City, Taiwan.
UMC rides AI demand, Intel buzz, and capacity expansion to new highs
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Intel partnership buzz An unverified report that UMC is partnering with Intel on advanced 12nm and 3nm nodes sent shares to an all-time high. If true, it would boost UMC's technology and revenue, but the lack of confirmation makes this a speculative driver.
This event directly caused a sharp price jump and is a major new development.
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Wedbush sees UMC as 2026 winner Wedbush named UMC a top pick for 2026, citing geopolitical shifts that push chip buyers to diversify away from TSMC. UMC's factories in Singapore and Japan position it to capture demand for mature-node chips, supporting revenue growth.
This analyst view highlights a structural demand shift that benefits UMC.
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Silicon photonics mass production UMC started mass production of silicon photonics wafers in Singapore, a key technology for AI data center interconnects. This opens a new growth area and shows UMC's ability to move into higher-value products, though the stock dipped on the news day.
This is a concrete technology milestone that could drive future revenue.
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Capex raise and strong Q2 results UMC raised 2026 capital spending to US$2 billion to expand Singapore and Taiwan fabs for AI demand. Q2 revenue rose 12.6% and net income surged, with gross margin improving. The stock fell 9.69% on the day, likely due to high expectations.
This shows UMC investing to meet AI demand and delivering strong financials.
Q3 2026
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UMC rides AI demand, Intel buzz, and capacity expansion to new highs
▲
Intel partnership buzz An unverified report that UMC is partnering with Intel on advanced 12nm and 3nm nodes sent shares to an all-time high. If true, it would boost UMC's technology and revenue, but the lack of confirmation makes this a speculative driver.
This event directly caused a sharp price jump and is a major new development.
▲
Wedbush sees UMC as 2026 winner Wedbush named UMC a top pick for 2026, citing geopolitical shifts that push chip buyers to diversify away from TSMC. UMC's factories in Singapore and Japan position it to capture demand for mature-node chips, supporting revenue growth.
This analyst view highlights a structural demand shift that benefits UMC.
▲
Silicon photonics mass production UMC started mass production of silicon photonics wafers in Singapore, a key technology for AI data center interconnects. This opens a new growth area and shows UMC's ability to move into higher-value products, though the stock dipped on the news day.
This is a concrete technology milestone that could drive future revenue.
▲
Capex raise and strong Q2 results UMC raised 2026 capital spending to US$2 billion to expand Singapore and Taiwan fabs for AI demand. Q2 revenue rose 12.6% and net income surged, with gross margin improving. The stock fell 9.69% on the day, likely due to high expectations.
This shows UMC investing to meet AI demand and delivering strong financials.
News & notes moving2303.TW
United StatesTaiwan
Semiconductors
GlobalFoundries Q2 Gross Margin Expands to 28.3% on Mix, Utilization Gains
GlobalFoundries reported stronger-than-expected second-quarter 2026 results, with gross profit rising 24% to $505 million and IFRS gross margin expanding to 28.3% from 24.2% a year earlier. Non-IFRS gross margin reached 29.9%, up 470 basis points year over year and 90 basis points sequentially, helped by favorable business mix, manufacturing productivity gains and higher utilization. Technology services, which includes IP, licensing, software, reticles and nonrecurring engineering activities, accounted for approximately 11% of second-quarter revenue and is expected to be a strong driver of gross margin in upcoming quarters. Revenue from communications infrastructure and data centers surged 62% year over year, the seventh consecutive quarter of double-digit growth, while high-margin technologies such as silicon photonics and silicon germanium gain momentum. Among competitors, United Microelectronics' gross margin rose to 32.5% in the second quarter of 2026 from 29.2% in the first quarter and 28.7% a year earlier, while Taiwan Semiconductor's gross margin reached 67.7%, up 150 basis points sequentially and 910 basis points from the year-ago quarter. GlobalFoundries shares have gained 44.1% over the past year versus the industry's 34.6% and trade at 19.67 forward earnings against an industry average of 13.53, with its 2026 earnings estimate improving over the past 60 days.
GlobalFoundries Expands SiGe Capacity in Multi-Year Marvell Deal
GlobalFoundries has signed a new multi-year agreement with Marvell Technology to increase production capacity for its silicon germanium technology. Under the deal, GlobalFoundries will expand SiGe production at its Burlington, Vermont facility to support Marvell's growing requirements, with the added capacity aimed at next-generation pluggable optical transceivers, Near-Packaged Optics and Co-packaged Optics. The collaboration is expected to serve rising demand for high-speed optical connectivity driven by artificial intelligence and cloud data center infrastructure. GlobalFoundries' existing solutions support 200G-per-lane optical connectivity, while its development roadmap targets higher-speed generations as bandwidth requirements rise. The company faces competition from United Microelectronics, which has begun mass production of photonic IC wafers, and Taiwan Semiconductor, which is strengthening its CoWoS packaging and silicon photonics capabilities.
GFS · Demand · Positive GlobalFoundries signed a multi-year deal with Marvell to expand SiGe capacity supporting AI/cloud optical connectivity demand.
MRVL · Supply · Positive Marvell secured expanded SiGe production capacity from GlobalFoundries to support its growing optical transceiver requirements.
2303.TW · Competition · Negative United Microelectronics is cited as a competitor already mass-producing photonic IC wafers, intensifying rivalry in this space.
2330.TW · Competition · Negative Taiwan Semiconductor is named as a competitor strengthening CoWoS packaging and silicon photonics capabilities.
5425.TWO · Competition · Negative Taiwan Semiconductor is named as a competitor strengthening CoWoS packaging and silicon photonics capabilities.
UMC Shares Surge 250% as AI Revenue Push and 2026 Estimate Jump Fuel Bull Case
United Microelectronics Corporation shares have soared 250.1% over the past year, far outpacing the industry's 25.8% gain, as improving foundry demand and AI exposure drive optimism. The company's 22/28-nanometer nodes contributed 37% of second-quarter revenues, with 22nm sales hitting another record, and management expects third-quarter wafer shipments to rise by a high single-digit percentage sequentially with capacity utilization exceeding 90%. UMC expects AI-related revenues to approach $300 million in 2026 and exceed $1 billion within three years, and it recently began mass-production delivery of silicon photonics wafers from its 12-inch Singapore facility, with plans to open its own 12-inch silicon photonics platform to broader customers in 2027. Its collaboration with Intel on a 12nm process platform is expected to begin production in Arizona in 2027. The 2026 earnings estimate now stands at $1.23 per share, up 75.7% over the past 60 days, and the stock carries a Zacks Rank #1 (Strong Buy).
Semiconductors › Advanced Packaging & Test (OSAT) ▲Technology
2303.TW · Demand · Positive Improving foundry demand, record 22nm sales, high single-digit Q3 wafer shipment growth, and AI-related revenue expected to approach $300M in 2026
2303.TW · Technology · Positive Began mass-production delivery of silicon photonics wafers from its 12-inch Singapore facility with plans to open the platform to broader customers in 2027
INTC · Demand · Positive UMC's collaboration with Intel on a 12nm process platform is expected to begin production in Arizona in 2027
United Microelectronics Upgraded to Zacks Rank #1 Strong Buy
United Microelectronics Corporation has been upgraded to a Zacks Rank #1 (Strong Buy), placing it in the top 5% of the more than 4,000 stocks covered by the Zacks rating system. The upgrade reflects an upward trend in earnings estimates, with the Zacks Consensus Estimate for the company rising 75.7% over the past three months. For the fiscal year ending December 2026, United Microelectronics is expected to earn $1.23 per share, unchanged from the year-ago reported figure. Zacks noted that only the top 5% of covered stocks receive a Strong Buy rating and the next 15% receive a Buy rating, and that Zacks Rank #1 stocks have generated an average annual return of +25% since 1988.
United Microelectronics Corporation reported unaudited consolidated net sales for August 2026 of NT$25.04 billion, a 30.71% year-over-year surge from NT$19.16 billion in August 2025. For the first eight months of 2026, cumulative sales reached NT$178.66 billion, up 14.66% from NT$155.82 billion in the same period last year.
UMC raises 2026 capex to $2 billion, plans new fabs for silicon photonics and advanced packaging
United Microelectronics Corporation revised its 2026 capital expenditure upward to $2 billion from $1.5 billion and announced board approval of nearly $5 billion in spending for cleanroom and fab construction across 2026 and 2027. The company will expand cleanroom capacity at its Singapore P4 facility for silicon photonics and construct a new fab in Tainan, Taiwan, for advanced packaging, with the Tainan project representing the P7 and P8 phases of its 12A site. Second-quarter consolidated revenue reached TWD 68.73 billion, a 12.6% sequential increase, while net income attributable to shareholders of the parent was TWD 42.26 billion, boosted by TWD 30 billion in investment and dividend income. Gross margin rose to 32.5% and utilization climbed to 85%, with third-quarter guidance calling for wafer shipments to increase by high single digits, gross margin in the mid-30% range, and utilization exceeding 90%. CEO Jason Wang projected AI-related revenue of approximately $300 million for 2026, with a target to exceed $1 billion within three years, and noted that the addressable market for the company's advanced packaging solutions is expected to more than double by 2030.
United Microelectronics July revenue rises 18.98% year-over-year to NT$23.84 billion
United Microelectronics reported unaudited consolidated net sales of NT$23.84 billion for July 2026, an 18.98% increase from NT$20.04 billion in July 2025. For the first seven months of 2026, cumulative revenues reached NT$153.61 billion, up 12.41% from NT$136.66 billion in the same period last year.
United Microelectronics Corp posted a 12.6% quarter-over-quarter revenue increase to NT$68.7 billion in the second quarter of 2026. Gross margin rose more than 3 percentage points to 32.5%, while wafer shipments grew 10.6% driven by communications and consumer demand. The company's 22-nanometer business reached a record 17.5% of sales, and it delivered its first mass-production 12-inch photonics IC. UMC raised its 2026 capital expenditure budget to US$2 billion and expects AI-related revenue to hit approximately $300 million this year.
UMC raises 2026 capex to US$2 billion, expands Singapore and Taiwan fabs for AI demand
United Microelectronics Corp has approved an expansion plan that includes additional cleanroom capacity at its Singapore facility and a new fab building at its flagship Tainan campus in Taiwan, raising its 2026 capital expenditure budget to US$2 billion. CEO Jason Wang said the plan will be executed in phases to maintain capital discipline while flexibly deploying capacity to meet customer demand driven by artificial intelligence. The company focuses on mature nodes, unlike TSMC which invests heavily in advanced 2 and 1 nanometre technology. UMC reported second-quarter revenue of T$68.73 billion, up 17% from a year earlier, while net income surged 374.7% to T$42.26 billion. Its shares have risen 120% so far this year, outperforming the broader market's 38.24% gain, though the stock closed down 9.69% on Wednesday ahead of the earnings release.
Wedbush Says TSMC May Raise Mature-Node Prices in Early 2027
Wedbush has indicated that Taiwan Semiconductor Manufacturing may raise prices for mature-node manufacturing processes beginning in early 2027, marking the company's first adjustment to mature-node pricing in more than three years. Final pricing decisions are expected later this year. The firm noted that any pricing increase by Taiwan Semiconductor could signal improving conditions across the mature-node foundry market and support stronger industry pricing trends, reflecting healthier demand dynamics for legacy chip production. Wedbush added that other foundry companies, including United Microelectronics, GlobalFoundries, and Tower Semiconductor, could also benefit if industry pricing strengthens.
2330.TW · Pricing · Positive Wedbush indicates TSMC may raise mature-node prices in early 2027, its first adjustment in over three years.
2303.TW · Pricing · Positive Wedbush says UMC could benefit if industry pricing strengthens following TSMC's mature-node price hike.
GFS · Pricing · Positive Wedbush says TSMC's mature-node price hike could support stronger industry pricing, benefiting other foundries like GlobalFoundries.
UMC starts silicon photonics mass production in Singapore
United Microelectronics has begun mass production of silicon photonics wafers at its Singapore facility, targeting demand for high-speed optical interconnects in AI and hyperscaler data center networks. The milestone was achieved in partnership with SILITH, combining SILITH's proprietary silicon photonics architecture with UMC's 12-inch manufacturing platform, moving from development to production readiness in 18 months. UMC also plans to make its own 12-inch silicon photonics platform available for customer product development by 2027. The company's stock fell nearly 5% in Taiwan during Tuesday's session before paring losses to trade 1.6% lower.
Crypto stocks, Tesla, and UMC lead Monday's market movers
Stock futures edged higher on Monday as traders returned from the long weekend, with crypto-related stocks, Tesla, and United Microelectronics among the biggest movers. United Microelectronics rose 6% after reporting June revenue climbed 22.9% year-over-year to NT$23.1 billion, while first-half 2026 revenue increased 11.3% to NT$129.8 billion. Crypto stocks rallied as Bitcoin topped $63,000 for the first time in two weeks, lifting Strategy by 5% and pushing Circle Internet Group, Riot Platforms, Marathon Digital, Coinbase, and HIVE Digital Technologies up more than 3% each. Tesla gained 2% after expanding its Robotaxi service to Miami, building on last month's Austin launch and following record second-quarter deliveries of 480,126 vehicles. Kosmos Energy surged 5% on strong operational momentum, including the J76 well in Ghana adding about 20,000 barrels of oil per day and lifting Jubilee production above 85,000 barrels per day, while the company reduced net debt by more than $400 million since year-end 2025 to $2.56 billion.
Wedbush Says UMC Could Be 2026’s Biggest Winner as TSMC Relocation Spurs Demand
Wedbush has identified United Microelectronics as a potential standout for 2026, arguing that geopolitical shifts pushing chip buyers to diversify supply could benefit the Taiwanese foundry. UMC, Taiwan’s second-largest semiconductor foundry, operates factories in Singapore and Japan, positioning it to capture demand if TSMC moves mature-node work outside Taiwan. The firm rates UMC Outperform with a $12 price target, while the stock has already surged roughly 263% over the past year and 30% in the last five days. In the first quarter of 2026, UMC reported revenue of $1.93 billion, up 7% year-over-year, and net income of $511 million, a 10% jump. CEO Jason Wang noted firming mature-node utilization driven by edge AI and automotive chip designers seeking supply chain resilience.
2303.TW · Demand · Positive Wedbush identifies UMC as a potential winner from chip buyers diversifying supply away from TSMC due to geopolitical shifts, boosting demand for UMC's mature-node capacity.
2330.TW · Competition · Negative The article suggests TSMC's relocation of mature-node work could lead to loss of business to UMC, though TSMC is not the main subject.
United Microelectronics Shares Hit All-Time High on Intel Partnership Buzz
United Microelectronics shares surged to an all-time high of $28.27 in intraday trading before closing up 14.20 percent at $27.50, driven by an unverified report that the company is partnering with Intel on advanced semiconductor manufacturing. The reported collaboration would focus on 12nm and 3nm process nodes, with production expected at Intel's Arizona facility. United Microelectronics declined to comment on the unverified report. The two companies previously partnered in 2024 on a 12nm process platform targeting mobile, communication infrastructure, and networking markets.
Taiwan
