United Microelectronics Corp
UMCNYSECIK 1033767TechnologyFiscal year ends Dec 31
Revenue is not reported in this company’s XBRL financial statements.
Latest quarter: not reported
Last eight quarters
Full statements| Line item | Unit | Shape over the periods |
|---|---|---|
| Revenue | $ | |
| Gross margin | % | |
| Operating margin | % | |
| Net margin | % | |
| Diluted EPS | $ per share | |
| Free cash flow | $ |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Last five fiscal years
| Line item | Unit | FY20202020-12-31 | FY20212021-12-31 | FY20222022-12-31 | FY20232023-12-31 | FY20242024-12-31 | Shape over the periods |
|---|---|---|---|---|---|---|---|
| Revenue | $m | 6,297Revenue, FY2020, twelve months to 2020-12-31$6.30bn. XBRL concept ifrs-full:Revenue. 20-F filed 2021-04-29, accession 0001564590-21-021578.Report this figure | 7,679Revenue, FY2021, twelve months to 2021-12-31$7.68bn. XBRL concept ifrs-full:Revenue. 20-F filed 2022-04-28, accession 0001193125-22-125284.Report this figure | 9,069Revenue, FY2022, twelve months to 2022-12-31$9.07bn. XBRL concept ifrs-full:Revenue. 20-F filed 2023-04-27, accession 0001193125-23-119772.Report this figure | 7,268Revenue, FY2023, twelve months to 2023-12-31$7.27bn. XBRL concept ifrs-full:Revenue. 20-F filed 2024-04-25, accession 0001193125-24-111429.Report this figure | 7,085Revenue, FY2024, twelve months to 2024-12-31$7.08bn. XBRL concept ifrs-full:Revenue. 20-F filed 2025-04-24, accession 0001193125-25-092142.Report this figure | |
| Gross margin | % | 22.1%Gross margin, FY2020, twelve months to 2020-12-31. gross profit / revenueGross profit: $1.39bn. XBRL concept ifrs-full:GrossProfit. 20-F filed 2021-04-29, accession 0001564590-21-021578.Revenue: $6.30bn. XBRL concept ifrs-full:Revenue. 20-F filed 2021-04-29, accession 0001564590-21-021578.Report this figure | 33.8%Gross margin, FY2021, twelve months to 2021-12-31. gross profit / revenueGross profit: $2.60bn. XBRL concept ifrs-full:GrossProfit. 20-F filed 2022-04-28, accession 0001193125-22-125284.Revenue: $7.68bn. XBRL concept ifrs-full:Revenue. 20-F filed 2022-04-28, accession 0001193125-22-125284.Report this figure | 45.1%Gross margin, FY2022, twelve months to 2022-12-31. gross profit / revenueGross profit: $4.09bn. XBRL concept ifrs-full:GrossProfit. 20-F filed 2023-04-27, accession 0001193125-23-119772.Revenue: $9.07bn. XBRL concept ifrs-full:Revenue. 20-F filed 2023-04-27, accession 0001193125-23-119772.Report this figure | 34.9%Gross margin, FY2023, twelve months to 2023-12-31. gross profit / revenueGross profit: $2.54bn. XBRL concept ifrs-full:GrossProfit. 20-F filed 2024-04-25, accession 0001193125-24-111429.Revenue: $7.27bn. XBRL concept ifrs-full:Revenue. 20-F filed 2024-04-25, accession 0001193125-24-111429.Report this figure | 32.6%Gross margin, FY2024, twelve months to 2024-12-31. gross profit / revenueGross profit: $2.31bn. XBRL concept ifrs-full:GrossProfit. 20-F filed 2025-04-24, accession 0001193125-25-092142.Revenue: $7.08bn. XBRL concept ifrs-full:Revenue. 20-F filed 2025-04-24, accession 0001193125-25-092142.Report this figure | |
| Operating margin | % | 12.4%Operating margin, FY2020, twelve months to 2020-12-31. operating income / revenueOperating income: $781.0m. XBRL concept ifrs-full:ProfitLossFromOperatingActivities. 20-F filed 2021-04-29, accession 0001564590-21-021578.Revenue: $6.30bn. XBRL concept ifrs-full:Revenue. 20-F filed 2021-04-29, accession 0001564590-21-021578.Report this figure | 24.3%Operating margin, FY2021, twelve months to 2021-12-31. operating income / revenueOperating income: $1.86bn. XBRL concept ifrs-full:ProfitLossFromOperatingActivities. 20-F filed 2022-04-28, accession 0001193125-22-125284.Revenue: $7.68bn. XBRL concept ifrs-full:Revenue. 20-F filed 2022-04-28, accession 0001193125-22-125284.Report this figure | 37.4%Operating margin, FY2022, twelve months to 2022-12-31. operating income / revenueOperating income: $3.39bn. XBRL concept ifrs-full:ProfitLossFromOperatingActivities. 20-F filed 2023-04-27, accession 0001193125-23-119772.Revenue: $9.07bn. XBRL concept ifrs-full:Revenue. 20-F filed 2023-04-27, accession 0001193125-23-119772.Report this figure | 26.0%Operating margin, FY2023, twelve months to 2023-12-31. operating income / revenueOperating income: $1.89bn. XBRL concept ifrs-full:ProfitLossFromOperatingActivities. 20-F filed 2024-04-25, accession 0001193125-24-111429.Revenue: $7.27bn. XBRL concept ifrs-full:Revenue. 20-F filed 2024-04-25, accession 0001193125-24-111429.Report this figure | 22.2%Operating margin, FY2024, twelve months to 2024-12-31. operating income / revenueOperating income: $1.57bn. XBRL concept ifrs-full:ProfitLossFromOperatingActivities. 20-F filed 2025-04-24, accession 0001193125-25-092142.Revenue: $7.08bn. XBRL concept ifrs-full:Revenue. 20-F filed 2025-04-24, accession 0001193125-25-092142.Report this figure | |
| Net margin | % | 12.9%Net margin, FY2020, twelve months to 2020-12-31. net income / revenueNet income: $814.1m. XBRL concept ifrs-full:ProfitLossAttributableToOwnersOfParent. 20-F filed 2021-04-29, accession 0001564590-21-021578.Revenue: $6.30bn. XBRL concept ifrs-full:Revenue. 20-F filed 2021-04-29, accession 0001564590-21-021578.Report this figure | 24.1%Net margin, FY2021, twelve months to 2021-12-31. net income / revenueNet income: $1.85bn. XBRL concept ifrs-full:ProfitLossAttributableToOwnersOfParent. 20-F filed 2022-04-28, accession 0001193125-22-125284.Revenue: $7.68bn. XBRL concept ifrs-full:Revenue. 20-F filed 2022-04-28, accession 0001193125-22-125284.Report this figure | 32.1%Net margin, FY2022, twelve months to 2022-12-31. net income / revenueNet income: $2.91bn. XBRL concept ifrs-full:ProfitLossAttributableToOwnersOfParent. 20-F filed 2023-04-27, accession 0001193125-23-119772.Revenue: $9.07bn. XBRL concept ifrs-full:Revenue. 20-F filed 2023-04-27, accession 0001193125-23-119772.Report this figure | 26.8%Net margin, FY2023, twelve months to 2023-12-31. net income / revenueNet income: $1.95bn. XBRL concept ifrs-full:ProfitLossAttributableToOwnersOfParent. 20-F filed 2024-04-25, accession 0001193125-24-111429.Revenue: $7.27bn. XBRL concept ifrs-full:Revenue. 20-F filed 2024-04-25, accession 0001193125-24-111429.Report this figure | 21.0%Net margin, FY2024, twelve months to 2024-12-31. net income / revenueNet income: $1.49bn. XBRL concept ifrs-full:ProfitLossAttributableToOwnersOfParent. 20-F filed 2025-04-24, accession 0001193125-25-092142.Revenue: $7.08bn. XBRL concept ifrs-full:Revenue. 20-F filed 2025-04-24, accession 0001193125-25-092142.Report this figure | |
| Diluted EPS | $ per share | 0.07Diluted EPS, FY2020, twelve months to 2020-12-31$0.07 per share. XBRL concept ifrs-full:DilutedEarningsLossPerShare. 20-F filed 2021-04-29, accession 0001564590-21-021578.Report this figure | 0.15Diluted EPS, FY2021, twelve months to 2021-12-31$0.15 per share. XBRL concept ifrs-full:DilutedEarningsLossPerShare. 20-F filed 2022-04-28, accession 0001193125-22-125284.Report this figure | 0.23Diluted EPS, FY2022, twelve months to 2022-12-31$0.23 per share. XBRL concept ifrs-full:DilutedEarningsLossPerShare. 20-F filed 2023-04-27, accession 0001193125-23-119772.Report this figure | 0.16Diluted EPS, FY2023, twelve months to 2023-12-31$0.16 per share. XBRL concept ifrs-full:DilutedEarningsLossPerShare. 20-F filed 2024-04-25, accession 0001193125-24-111429.Report this figure | 0.12Diluted EPS, FY2024, twelve months to 2024-12-31$0.12 per share. XBRL concept ifrs-full:DilutedEarningsLossPerShare. 20-F filed 2025-04-24, accession 0001193125-25-092142.Report this figure | |
| Free cash flow | $m | 1,403Free cash flow, FY2020, twelve months to 2020-12-31. operating cash flow − capital expenditureOperating cash flow: $2.34bn. XBRL concept ifrs-full:CashFlowsFromUsedInOperatingActivities. 20-F filed 2021-04-29, accession 0001564590-21-021578.Capital expenditure: $938.2m. XBRL concept ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. 20-F filed 2021-04-29, accession 0001564590-21-021578.Report this figure | 1,525Free cash flow, FY2021, twelve months to 2021-12-31. operating cash flow − capital expenditureOperating cash flow: $3.26bn. XBRL concept ifrs-full:CashFlowsFromUsedInOperatingActivities. 20-F filed 2022-04-28, accession 0001193125-22-125284.Capital expenditure: $1.73bn. XBRL concept ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. 20-F filed 2022-04-28, accession 0001193125-22-125284.Report this figure | 2,139Free cash flow, FY2022, twelve months to 2022-12-31. operating cash flow − capital expenditureOperating cash flow: $4.75bn. XBRL concept ifrs-full:CashFlowsFromUsedInOperatingActivities. 20-F filed 2023-04-27, accession 0001193125-23-119772.Capital expenditure: $2.61bn. XBRL concept ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. 20-F filed 2023-04-27, accession 0001193125-23-119772.Report this figure | (179)Free cash flow, FY2023, twelve months to 2023-12-31. operating cash flow − capital expenditureOperating cash flow: $2.81bn. XBRL concept ifrs-full:CashFlowsFromUsedInOperatingActivities. 20-F filed 2024-04-25, accession 0001193125-24-111429.Capital expenditure: $2.99bn. XBRL concept ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. 20-F filed 2024-04-25, accession 0001193125-24-111429.Report this figure | 163Free cash flow, FY2024, twelve months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $2.86bn. XBRL concept ifrs-full:CashFlowsFromUsedInOperatingActivities. 20-F filed 2025-04-24, accession 0001193125-25-092142.Capital expenditure: $2.70bn. XBRL concept ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities. 20-F filed 2025-04-24, accession 0001193125-25-092142.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Insider purchases and sales
All insider transactionsThe last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.
No open-market purchases or sales by insiders are in coverage from Nov 2024 to Oct 2026.
No open-market purchases or sales by insiders are in coverage for this company.
Funds that report holding it
All fundsFrom each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.
| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2026-06-30 | $858.3m | 31,544,454 | Added+4,048,574 | |
| UBS Group AG | 2026-06-30 | $316.5m | 11,632,967 | Added+3,457,823 | |
| GOLDMAN SACHS GROUP INC | 2026-06-30 | $302.3m | 11,109,785 | Added+5,234,921 | |
| BANK OF AMERICA CORP /DE/ | 2026-06-30 | $277.0m | 10,181,208 | Added+7,577,990 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 2026-06-30 | $234.1m | 8,601,967 | Reduced−386,476 | |
| MORGAN STANLEY | 2026-06-30 | $225.5m | 8,285,573 | Reduced−492,330 | |
| AQR CAPITAL MANAGEMENT LLC | 2026-06-30 | $210.0m | 7,718,125 | Reduced−6,995,905 | |
| Rafferty Asset Management, LLC | 2026-06-30 | $208.2m | 7,653,378 | Added+2,669,725 | |
| Man Group plc | 2026-06-30 | $152.2m | 5,593,427 | Reduced−135,474 | |
| CITIGROUP INC | 2026-06-30 | $147.3m | 5,414,362 | Added+1,117,640 |
Recent filings
All 576 filingsReports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-2806:04 ET | 6-K | Report of a foreign private issuerPeriod 2026-10-28 | 0001193125-26-435003 |
| 2026-10-2806:01 ET | 6-K | Report of a foreign private issuerPeriod 2026-10-28 | 0001193125-26-434992 |
| 2026-10-2306:00 ET | 6-K | Report of a foreign private issuerPeriod 2026-10-23 | 0001193125-26-429369 |
| 2026-10-1306:01 ET | 6-K | Report of a foreign private issuerPeriod 2026-10-13 | 0001193125-26-419602 |
| 2026-10-0606:02 ET | 6-K | Report of a foreign private issuerPeriod 2026-10-06 | 0001193125-26-414888 |
| 2026-10-0509:27 ET | 6-K | Report of a foreign private issuerPeriod 2026-10-05 | 0001193125-26-413371 |
| 2026-09-2906:03 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-29 | 0001193125-26-405903 |
| 2026-09-0406:03 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-04 | 0001193125-26-382689 |
| 2026-09-0206:03 ET | 6-K | Report of a foreign private issuerPeriod 2026-09-02 | 0001193125-26-379275 |
| 2026-08-2606:20 ET | 6-K | Report of a foreign private issuerPeriod 2026-08-26 | 0001193125-26-365826 |
Latest annual report
Form 20-F for the fiscal year ended Dec 31, 2025Filed Apr 30, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.
Forecast league
Not in this season’s league. The league lists companies whose quarter has ended and whose results are not yet filed.This season’s league
About the filer
- CIK
- 1033767
- Tickers
- UMC
- Exchange
- NYSE
- SIC code
- 3674 Semiconductors & Related Devices
- Sector
- Technology
- Fiscal year ends
- Dec 31
- Incorporated in
- F5
- Filer category
- Large accelerated filer
Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 28, 2026, 06:06 ET. Listed shows no prices and gives no investment advice.