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NYSE · Taiwan · Semiconductors

UMC United Microelectronics

Mature-node foundry and interposer capacity

Tight but sold off Its supply chain is tightening but the stock is below its 50-day average — price and fundamentals disagree. (automatic: supply-chain trend + price vs 50-day average)
Last close (delayed) · 2026-10-30
$16.68
−7.54% today
1W
−11.7%
1M
−33.8%
3M
−10.8%
YTD
+116.0%
1Y
+125.4%
Off 52w high
−39.4%
Next earnings (est.): 2027-01-27
Market cap$41.83B
P/E (trailing)15.7Forward 18.9
EV / sales-0.1×EV/EBITDA -0.2×
Revenue (TTM)NT$266BGrowth 25.6% y/y
Margins31.7%gross · op 25.1%
Free cash flowNT$44.96BCash NT$152B · debt NT$79.64B
Analyst target$16.65−0.2% upside · 4 analysts · hold
Riskβ 1.71Short 1.3% of float · yield 2.22%

Fundamentals from public market data, refreshed daily (2026-10-30 21:21 UTC). Figures in reporting currency.

UMC · price with what management and the data said

Supply tighteningBeat / raiseMiss / cutData releaseEasing Hover a numbered marker for details · dashed lines = 50- and 200-day averages

Timeline: management commentary, data & earnings

8 events
  1. 8
    2026-07-29EarningsBeat / raise

    Reported EPS 0.52 vs 0.16 expected (+228.6% surprise).

  2. 7
    2026-04-29EarningsBeat / raise

    Reported EPS 0.2 vs 0.13 expected (+56.4% surprise).

  3. 6
    2026-01-28EarningsMiss / cut

    Reported EPS 0.13 vs 0.13 expected (-1.4% surprise).

  4. 5
    2025-10-29EarningsBeat / raise

    Reported EPS 0.19 vs 0.12 expected (+68.3% surprise).

  5. 4
    2025-07-30EarningsMiss / cut

    Reported EPS 0.12 vs 0.14 expected (-11.4% surprise).

  6. 3
    2025-04-23EarningsMiss / cut

    Reported EPS 0.1 vs 0.11 expected (-13.4% surprise).

  7. 2
    2025-01-21EarningsMiss / cut

    Reported EPS 0.1 vs 0.15 expected (-31.0% surprise).

  8. 1
    2024-10-30EarningsBeat / raise

    Reported EPS 0.18 vs 0.18 expected (+3.8% surprise).

Earnings history

EPS vs expectations
DateExpected EPSReported EPSSurprise
2026-07-290.160.52+228.6%
2026-04-290.130.2+56.4%
2026-01-280.130.13−1.4%
2025-10-290.120.19+68.3%
2025-07-300.140.12−11.4%
2025-04-230.110.1−13.4%
2025-01-210.150.1−31.0%
2024-10-300.180.18+3.8%
2024-07-310.140.17+20.8%
2024-04-240.130.13−4.4%
2024-01-310.150.17+14.5%
2023-10-250.170.2+17.0%
2023-07-260.160.2+26.9%
2023-04-260.160.22+33.0%
2023-01-160.270.25−6.5%
2022-10-260.330.33+2.4%
2022-07-270.310.29−6.4%
2022-04-270.240.28+17.6%
2022-01-250.210.24+10.3%
2021-10-270.190.05−73.5%
2021-07-280.130.18+33.8%
2021-04-280.10.15+49.9%
2021-01-270.060.16+170.0%
2020-10-290.070.13+84.3%

About United Microelectronics

Website ↗

United Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, China, Hong Kong, Japan, Korea, the United States, Europe, and internationally. It manufactures and sells integrated circuits. The company offers circuit design; mask tooling; wafer fabrication; and assembly and testing services for communication devices, consumer electronics, computer, and other applications. It also provides venture capital and marketing support; consulting and planning; energy technical; solar engineering integrated design; research and development services; and insurance services. United Microelectronics Corporation was incorporated in 1980 and is headquartered in Hsinchu City, Taiwan.

20,000 employees · Hsinchu City, Taiwan

One company produces almost all leading-edge AI logic. N3/N2 capacity is allocated years ahead and every new fab is a multi-year, tens-of-billions bet.

EUV + tools→Wafer starts→Leading-node logic→Packaging

What would prove us wrong. Weakens if leading-node utilisation falls while packaging and HBM stay loose — logic would no longer bind.

Peers at the same bottleneck

Who else supplies this

StockRoleLast1D1MYTDTrend
TSM
Taiwan Semiconductor
Leading-node foundry and CoWoS packaging chokepoint $406.1−5.95%−11.6%+34.7%
INTC
Intel
US foundry rebuild with advanced-packaging optionality $65.76−28.58%−45.2%+78.2%
005930.KS
Samsung Electronics
HBM, DRAM and foundry across memory and logic ₩225,000−3.02%−17.4%+88.2%
GFS
GlobalFoundries
Specialty-node foundry incl. silicon photonics $41.90−8.62%−13.9%+20.5%

Not investment advice. Prices delayed and in local currency. Quotes in "double quotes" are verbatim as reported by the linked source; other commentary is our paraphrase. Earnings dates are estimates.