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Home/Stocks/3037.TW
TWSE · Taiwan · Electronic Components

3037.TW Unimicron

ABF substrate 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) · 2026-10-27
NT$1,060.0
−2.30% today
1W
−5.4%
1M
−5.4%
3M
+26.3%
YTD
+382.8%
1Y
+592.0%
Off 52w high
−20.0%
Next earnings (est.): 2026-10-27
Market capNT$1.78T≈ $54.64B
P/E (trailing)70.9Forward 27.4
EV / sales11.3×EV/EBITDA 52.3×
Revenue (TTM)NT$149BGrowth 32.1% y/y
Margins18.4%gross · op 15.5%
Free cash flowNT$662MCash NT$93.12B · debt NT$50.19B
Analyst targetNT$1,347.9+27.2% upside · 19 analysts · strong buy
Riskβ 2.31Short — of float · yield 0.18%

Fundamentals from public market data, refreshed daily (2026-10-26 21:24 UTC). Figures in reporting currency.

3037.TW · 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
    2026-07-28EarningsBeat / raise

    Reported EPS 8.38 vs 3.49 expected (+140.4% surprise).

  2. 7
    2026-04-28EarningsBeat / raise

    Reported EPS 3 vs 2 expected (+50.1% surprise).

  3. 6
    2026-02-25EarningsBeat / raise

    Reported EPS 2.29 vs 1.54 expected (+48.9% surprise).

  4. 5
    2025-10-28EarningsBeat / raise

    Reported EPS 1.43 vs 1.35 expected (+5.7% surprise).

  5. 4
    2025-07-28EarningsMiss / cut

    Reported EPS 0.62 vs 0.68 expected (-9.3% surprise).

  6. 3
    2025-04-22EarningsMiss / cut

    Reported EPS 0.6 vs 0.67 expected (-10.4% surprise).

  7. 2
    2025-02-24EarningsMiss / cut

    Reported EPS 0.03 vs 1.26 expected (-97.6% surprise).

  8. 1
    2024-10-29EarningsMiss / cut

    Reported EPS 0.65 vs 1.36 expected (-52.3% surprise).

Earnings history

EPS vs expectations
DateExpected EPSReported EPSSurprise
2026-07-283.498.38+140.4%
2026-04-282.03.0+50.1%
2026-02-251.542.29+48.9%
2025-10-281.351.43+5.7%
2025-07-280.680.62−9.3%
2025-04-220.670.6−10.4%
2025-02-241.260.03−97.6%
2024-10-291.360.65−52.3%
2024-07-291.121.04−7.2%
2024-04-221.211.59+31.6%
2024-02-261.71.9+12.0%
2023-10-231.621.69+4.5%
2023-07-271.411.56+10.7%
2023-04-252.872.68−6.6%
2023-02-225.314.66−12.2%
2022-10-275.345.63+5.5%
2022-07-284.365.37+23.1%
2022-04-283.323.83+15.5%
2022-02-222.733.36+23.2%
2021-10-251.862.85+52.9%
2021-07-261.031.24+20.7%
2021-04-270.71.48+110.3%
2021-02-220.611.39+127.5%
2020-10-271.01.09+9.4%

About Unimicron

Website ↗

Unimicron Technology Corp., together with its subsidiaries, engages in the manufacturing, processing, and sale of printed circuit boards, electrical equipment, electronic products, and integrated circuit product testing and burn-in systems in Taiwan, China, Asia, the Americas, and internationally. The company offers PCB products, including HDI, ELIC, multi-layer and rigid flex PCBs, and FPC; IC carriers, such as FCCSP, FCBGA, CSP, memory module, and coreless; connectors comprising PCBeam and X-Beam; TP and ECRM, which include glass and film type, as well as EC mirror; and design and sim services, such as EDA profile and thermo-mech solutions. It is also involved in food and beverage business; food manufacturing and sale; trading activities; business management consulting; product inspection; property management; and lighting product manufacturing and sale. The company was incorporated in…

31,584 employees · Taoyuan City, Taiwan

Large AI packages need big, many-layer ABF substrates. The build-up film itself comes from one supplier; glass-core substrates are the next transition.

ABF film→Core→Build-up layers→Package

What would prove us wrong. Weakens if substrate makers report utilisation falling while AI package sizes keep growing.

Peers at the same bottleneck

Who else supplies this

StockRoleLast1D1MYTDTrend
4062.T
Ibiden
High-end ABF substrates for AI accelerators ¥8,952.0+8.54%−23.2%+166.8%
8046.TW
Nan Ya PCB
ABF substrates NT$1,255.0−0.79%+7.7%+421.8%
2802.T
Ajinomoto
Sole major supplier of ABF build-up film ¥5,110.0+1.93%+1.7%+55.6%

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.