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Stocks · Technology · Semiconductors & Related Devices

UNITED MICROELECTRONICS CORP

UMC Clue Score62
Taiwan Fiscal year ends December CIK 0001033767
$22.96 +0.61% Close, 9 Oct 2026
Alert on the numbers Alert on insider trades
Price $22.96 +116.40% Close, 9 Oct 2026

Closing prices at the end of each trading day, from 12 Oct 2016. Not a live quote. Adjusted for share splits, so the line has no step at a split; dividends are not added back.

Revenue and profit

What the business sells, and what is left of it. Point at a year for the detail.
RevenueOperating incomeNet income
Fiscal year 2016Revenue147.87Operating income6.19Net income8.62EPS, diluted0.67Fiscal year 2017Revenue149.28 +1.0%Operating income6.57Net income9.68 +12.2%EPS, diluted0.75 +11.9%Fiscal year 2018Revenue151.25 +1.3%Operating income5.68Net income7.68 −20.7%EPS, diluted0.60 −20.0%Fiscal year 2019Revenue148.20 −2.0%Operating income4.88Net income8.16 +6.2%EPS, diluted0.65 +8.3%Fiscal year 2020Revenue176.82 +19.3%Operating income21.93Net income22.86 +180.3%EPS, diluted1.87 +187.7%Fiscal year 2021Revenue213.01 +20.5%Operating income51.69Net income51.25 +124.2%EPS, diluted4.19 +124.1%Fiscal year 2022Revenue278.71 +30.8%Operating income104.29Net income89.48 +74.6%EPS, diluted7.16 +70.9%Fiscal year 2023Revenue222.53 −20.2%Operating income57.89Net income59.69 −33.3%EPS, diluted4.82 −32.7%Fiscal year 2024Revenue232.30 +4.4%Operating income51.61Net income48.78 −18.3%EPS, diluted3.94 −18.3%
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024
Revenue 147.87 149.28 151.25 148.20 176.82 213.01 278.71 222.53 232.30
Growth +1.0% +1.3% −2.0% +19.3% +20.5% +30.8% −20.2% +4.4%
Operating income 6.19 6.57 5.68 4.88 21.93 51.69 104.29 57.89 51.61
Net income 8.62 9.68 7.68 8.16 22.86 51.25 89.48 59.69 48.78
Growth +12.2% −20.7% +6.2% +180.3% +124.2% +74.6% −33.3% −18.3%
EPS, diluted 0.67 0.75 0.60 0.65 1.87 4.19 7.16 4.82 3.94
Growth +11.9% −20.0% +8.3% +187.7% +124.1% +70.9% −32.7% −18.3%

Margins

How much of each dollar of revenue it keeps. Point at a year for the detail.
Gross marginOperating marginNet margin
Fiscal year 2016Gross margin20.5%Operating margin4.2%Net margin5.8%Free cash flow margin−30.5%Fiscal year 2017Gross margin18.1%Operating margin4.4%Net margin6.5%Free cash flow margin5.5%Fiscal year 2018Gross margin15.1%Operating margin3.8%Net margin5.1%Free cash flow margin20.7%Fiscal year 2019Gross margin14.4%Operating margin3.3%Net margin5.5%Free cash flow margin25.9%Fiscal year 2020Gross margin22.1%Operating margin12.4%Net margin12.9%Free cash flow margin22.3%Fiscal year 2021Gross margin33.8%Operating margin24.3%Net margin24.1%Free cash flow margin19.9%Fiscal year 2022Gross margin45.1%Operating margin37.4%Net margin32.1%Free cash flow margin23.6%Fiscal year 2023Gross margin34.9%Operating margin26.0%Net margin26.8%Free cash flow margin−2.5%Fiscal year 2024Gross margin32.6%Operating margin22.2%Net margin21.0%Free cash flow margin2.3%
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024
Gross margin 20.5% 18.1% 15.1% 14.4% 22.1% 33.8% 45.1% 34.9% 32.6%
Operating margin 4.2% 4.4% 3.8% 3.3% 12.4% 24.3% 37.4% 26.0% 22.2%
Net margin 5.8% 6.5% 5.1% 5.5% 12.9% 24.1% 32.1% 26.8% 21.0%
Free cash flow margin −30.5% 5.5% 20.7% 25.9% 22.3% 19.9% 23.6% −2.5% 2.3%

Cash flow

The cash the business makes, what it reinvests, and what it hands back. Point at a year for the detail.
Operating cash flowCapital expenditureFree cash flow
Fiscal year 2016Operating cash flow46.45Capital expenditure−91.56Free cash flow−45.11Buybacks−2.40Dividends paid−6.91Fiscal year 2017Operating cash flow52.47Capital expenditure−44.24Free cash flow8.24Buybacks0.00Dividends paid−6.10Fiscal year 2018Operating cash flow50.93Capital expenditure−19.59Free cash flow31.34 +280.5%Buybacks−6.15Dividends paid−8.56Fiscal year 2019Operating cash flow54.90Capital expenditure−16.52Free cash flow38.39 +22.5%Buybacks−2.97Dividends paid−6.91Fiscal year 2020Operating cash flow65.75Capital expenditure−26.35Free cash flow39.40 +2.6%Buybacks−1.68Dividends paid−9.77Fiscal year 2021Operating cash flow90.35Capital expenditure−48.03Free cash flow42.32 +7.4%Buybacks0.00Dividends paid−19.87Fiscal year 2022Operating cash flow145.86Capital expenditure−80.13Free cash flow65.73 +55.3%Buybacks0.00Fiscal year 2023Operating cash flow86.00Capital expenditure−91.47Free cash flow−5.47 −108.3%Fiscal year 2024Operating cash flow93.87Capital expenditure−88.54Free cash flow5.33
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024
Operating cash flow 46.45 52.47 50.93 54.90 65.75 90.35 145.86 86.00 93.87
Capital expenditure −91.56 −44.24 −19.59 −16.52 −26.35 −48.03 −80.13 −91.47 −88.54
Free cash flow −45.11 8.24 31.34 38.39 39.40 42.32 65.73 −5.47 5.33
Growth +280.5% +22.5% +2.6% +7.4% +55.3% −108.3%
Buybacks −2.40 0.00 −6.15 −2.97 −1.68 0.00 0.00 n/a n/a
Dividends paid −6.91 −6.10 −8.56 −6.91 −9.77 −19.87 n/a n/a n/a

Balance sheet

What it holds against what it owes, at each year end. Point at a year for the detail.
CashTotal debt
Fiscal year 2016Cash57.58Total debt10.50Net cash (debt)47.08Shareholders’ equity212.78Debt to equity0.05Fiscal year 2017Cash81.67Total debt27.36Net cash (debt)54.31Shareholders’ equity208.66Debt to equity0.13Fiscal year 2018Cash83.66Total debt5.12Net cash (debt)78.54Shareholders’ equity203.93Debt to equity0.03Fiscal year 2019Cash95.49Total debt24.80Net cash (debt)70.70Shareholders’ equity202.50Debt to equity0.12Fiscal year 2020Cash94.05Total debt26.99Net cash (debt)67.06Shareholders’ equity223.03Debt to equity0.12Fiscal year 2021Cash132.62Total debt37.33Net cash (debt)95.29Shareholders’ equity264.15Debt to equity0.14Fiscal year 2022Cash173.82Total debt7.59Net cash (debt)166.23Shareholders’ equity322.47Debt to equity0.02Fiscal year 2023Cash132.55Total debt16.01Net cash (debt)116.55Shareholders’ equity343.38Debt to equity0.05Fiscal year 2024Cash105.00Total debt10.99Net cash (debt)94.01Shareholders’ equity365.45Debt to equity0.03
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024
Cash 57.58 81.67 83.66 95.49 94.05 132.62 173.82 132.55 105.00
Total debt 10.50 27.36 5.12 24.80 26.99 37.33 7.59 16.01 10.99
Net cash (debt) 47.08 54.31 78.54 70.70 67.06 95.29 166.23 116.55 94.01
Shareholders’ equity 212.78 208.66 203.93 202.50 223.03 264.15 322.47 343.38 365.45
Debt to equity 0.05 0.13 0.03 0.12 0.12 0.14 0.02 0.05 0.03

In billions of TWD, except per-share figures and ratios. Fiscal years, as last filed with the SEC.

Financial statements FY2024 · 10-K

Cash flow

In billions of TWD, except per-share figures; shares in millions. Fiscal years ending December, each column as last filed with the SEC.
Click a line to chart it
Fiscal year FY2016 31 Dec 2016 FY2017 31 Dec 2017 FY2018 31 Dec 2018 FY2019 31 Dec 2019 FY2020 31 Dec 2020 FY2021 31 Dec 2021 FY2022 31 Dec 2022 FY2023 31 Dec 2023 FY2024 31 Dec 2024
Operations
46.45 52.47 50.93 54.90 65.75 90.35 145.86 86.00 93.87
Growth +13.0% −2.9% +7.8% +19.7% +37.4% +61.4% −41.0% +9.2%
Investment
−91.56 −44.24 −19.59 −16.52 −26.35 −48.03 −80.13 −91.47 −88.54
calc −45.11 8.24 31.34 38.39 39.40 42.32 65.73 −5.47 5.33
Growth +280.5% +22.5% +2.6% +7.4% +55.3% −108.3%
calc −3.38 0.62 2.36 2.96 3.22 3.46 5.26 −0.44 0.43
−80.09 −35.42 −15.50 −31.68 −40.11 −62.16 −54.43 −97.79 −85.94
Financing
38.80 9.16 −33.48 −9.87 −25.60 12.49 −57.25 −29.09 −39.20
−6.91 −6.10 −8.56 −6.91 −9.77 −19.87 n/a n/a n/a
−2.40 0.00 −6.15 −2.97 −1.68 0.00 0.00 n/a n/a

Lines marked calc are worked out here from filed figures; point at one for how. Capital expenditure, dividends and buybacks are shown as money out, so negative. Shown in TWD as filed; the screener converts to dollars.