UNITED MICROELECTRONICS CORP
No SEC Form 4 filings for $UMC in the last 30 days.
See all $UMC insider activity →Global pure-play foundry market grew 29% YoY in Q2, driven by AI semiconductor demand. TSMC led with 73% share, steady from Q1, while Samsung held 7%. Counterpoint Research attributed TSMC's dominance to its 2nm process ramp-up and 3nm expansion. AI demand is expected to sustain market growth.
TSMC led the foundry market with 73% share in Q2 2026, per Counterpoint Research, driven by advanced node production. Samsung and SMIC followed with 7% and 5% shares, respectively. UMC and GlobalFoundries ranked fourth and fifth. Intel was not in the top 10. The foundry sector grew 29% YoY due to AI demand.
United Microelectronics (UMC) fell 7% to $18.22, Tower Semiconductor (TSEM) dropped 10% to $236.1, and GlobalFoundries (GFS) declined 7% to $49.78 due to fears of reduced AI spending. The selloff is sector-wide, driven by concerns about future demand and high valuations. UMC's YTD gain is 153%, TSEM's is 125%, and GFS's is 53%. The iShares Semiconductor ETF (SOXX) also fell 6%.
Over the past 7 days, alphai's AI scored 2 news stories mentioning UMC (UNITED MICROELECTRONICS CORP). Coverage has been balanced: 0 bullish, 2 neutral, and 0 bearish.
Recent UMC coverage spans sector analysis, market movers and macro economy.
No change in market position.
Steady position offers limited catalyst.
Near-term downside bias as investors reprice 2027-2028 foundry capacity demand tied to AI spending uncertainty.
UMC is participating in the same macro-driven rebound, implying beta to global tech sentiment.
The call combines upside margin and utilization guidance with continued AI/silicon photonics and advanced packaging capex, but flags weak non-AI smartphone and consumer inventory/DOI.
alphai scores every news story that mentions UMC with an AI model for sentiment and relevance, and aggregates insider trades from UNITED MICROELECTRONICS CORP's SEC EDGAR Form 4 filings. Figures refresh continuously.
Global pure-play foundry market grew 29% YoY in Q2, driven by AI semiconductor demand. TSMC led with 73% share, steady from Q1, while Samsung held 7%. Counterpoint Research attributed TSMC's dominance to its 2nm process ramp-up and 3nm expansion. AI demand is expected to sustain market growth.
2 min readTSMC led the foundry market with 73% share in Q2 2026, per Counterpoint Research, driven by advanced node production. Samsung and SMIC followed with 7% and 5% shares, respectively. UMC and GlobalFoundries ranked fourth and fifth. Intel was not in the top 10. The foundry sector grew 29% YoY due to AI demand.
2 min readUnited Microelectronics (UMC) fell 7% to $18.22, Tower Semiconductor (TSEM) dropped 10% to $236.1, and GlobalFoundries (GFS) declined 7% to $49.78 due to fears of reduced AI spending. The selloff is sector-wide, driven by concerns about future demand and high valuations. UMC's YTD gain is 153%, TSEM's is 125%, and GFS's is 53%. The iShares Semiconductor ETF (SOXX) also fell 6%.
5 min readTaiwan’s Taiex rose 702.85 points, or 1.59%, to 44,928.76 on Monday after a U.S. rally following weaker-than-expected July nonfarm payrolls eased Fed rate hike fears, according to dealers. Turnover was NT$847.37 billion. TSMC gained 0.42% to NT$2,380. ASE +7.69%, Nanya and Winbond hit daily limits, AUO +10%. Foreign investors bought net NT$51.71 billion.
4 min readUMC’s Q2 2026 earnings call reported consolidated revenue of TWD 68.73 billion, up 12.6% sequentially, and gross margin of 32.5%. Net income was TWD 42.26 billion and EPS TWD 3.39. Management guided Q3 gross margin to the mid-30% range and utilization above 90%, citing higher capacity and AI-related demand.
10 min readTaiwan shares ended lower as the Taiex fell 0.38% to 44,225.91 on NT$819.20 billion turnover, after a late-July swing tied to concerns about AI infrastructure spending. Analysts cited profit-taking in AI-related stocks. TSMC rose 0.21% to NT$2,370.0, while UMC fell 4.53% and ASE fell 1.68%. Foreign investors sold net NT$40.72 billion.
3 min readTradr ETFs plans to launch three single-stock leveraged ETFs on Aug. 11, seeking 200% of the daily performance of their underlying stocks. The Cboe-listed funds are MRAX (Everspin Technologies, MRAM), SITX (SiTime, SITM), and UMCU (United Microelectronics, UMC). The company notes leveraged ETFs are intended for short-term trading and carry higher risk.
2 min readEconomic Daily News reports Powerchip Semiconductor Manufacturing Corp. (PSMC) became Intel’s exclusive supplier of silicon capacitors for Intel’s EMIB-T advanced packaging, using its 12-inch IPD platform. The report says PSMC capacity is fully booked and plans to expand monthly output in 2H next year. It also says UMC is supplying EMIB silicon bridges, supporting demand momentum.
5 min readAfter Microsoft’s results, investors focused on AI monetization. Amazon shares jumped 15.3% post-close as AWS revenue rose 37% YoY, fastest in 18 quarters, and AI and chips run rates topped $25B. Apple fell 7.4% on outlook concerns. Treasuries rose to 4.71% and Brent to $87.93. The piece also lists options trades including LWLG and SITE.
7 min readFortune Global 500 placed Taiwan Semiconductor Manufacturing Co (TSMC) in the top 100 for the first time, rising 44 spots to 82nd on revenue of US$122.26 billion, according to Fortune. The TAIEX fell 4.65% to 41,603.36 amid a tech selloff. United Microelectronics (UMC) plans US$5 billion expansion, targeting AI revenue of about US$300 million this year. ASE raised 2024 capex to US$10.5 billion and forecast LEAP revenue above US$3.5 billion.
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