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NYSE · Technology

United Microelectronics Corp (UMC)

United Microelectronics Corp reported revenue of $7.1B in fiscal 2024, down 2.5% from a year earlier. Net income was $1.5B, a net margin of 21.0%. Operating cash flow minus capital spending left $162.5M of free cash flow in fiscal 2024. At December 31, 2024 it held $3.2B in cash.

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Price
$14.81
-0.57% on the day · November 10, 2026
52-week range $6.97 to $28.96
Market cap
$37.3B
Revenue (FY2024)
$7.1B
-2.5% year on year
Net margin
21.0%

Key facts about United Microelectronics Corp

Net worth
United Microelectronics Corp has a market value (market cap) of $37.3B at the latest share price, and shareholders' equity of $11.1B on its balance sheet at December 31, 2024. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
Revenue and profit
In fiscal 2024 revenue was $7.1B (-2.5% year on year), with net income of $1.5B.
Cash flow
In fiscal 2024 operations brought in $2.9B of cash; after $2.7B of capital spending, free cash flow was $162.5M.

What United Microelectronics Corp does

United Microelectronics Corporation operates as a dedicated semiconductor foundry that manufactures integrated circuit wafers for other technology companies. Fabless semiconductor designers and electronics companies contract UMC to fabricate microchips used in communication, consumer electronics, and automotive applications. It is known for producing logic and specialty process chips. Its shares trade on NYSE under the ticker UMC.

Revenue and profit by year

Revenue
FY17: $5B $5B FY17FY18: $4.9B $4.9B FY18FY19: $5B $5B FY19FY20: $6.3B $6.3B FY20FY21: $7.7B $7.7B FY21FY22: $9.1B $9.1B FY22FY23: $7.3B $7.3B FY23FY24: $7.1B $7.1B FY24
Net income
FY17: $326.5M $326.5M FY17FY18: $250.8M $250.8M FY18FY19: $272.7M $272.7M FY19FY20: $814.1M $814.1M FY20FY21: $1.8B $1.8B FY21FY22: $2.9B $2.9B FY22FY23: $1.9B $1.9B FY23FY24: $1.5B $1.5B FY24

Fiscal years as reported in annual reports. Amounts in USD.

Key figures

Fiscal yearRevenueOperating incomeNet incomeDiluted EPSFree cash flow
2024$7.1B$1.6B$1.5B$0.12$162.5M
2023$7.3B$1.9B$1.9B$0.16-$178.8M
2022$9.1B$3.4B$2.9B$0.23$2.1B
2021$7.7B$1.9B$1.8B$0.15$1.5B
2020$6.3B$781M$814.1M$0.07$1.4B
2019$5B$163.3M$272.7M$0.02$1.3B

Earnings: every quarter and the next report date

Full financial statements: income, balance sheet and cash flow

Where UMC ranks in Technology

Revenue$7.1B
#73 of 751 in Technology · Top 10%
Revenue growth-2.5%
#498 of 604 in Technology · Bottom 18%
Net margin21.0%
#85 of 611 in Technology · Top 14%
Free cash flow margin2.3%
#378 of 568 in Technology · Bottom 34%

Latest fiscal year of every company in the sector with the figure reported. Revenue is ranked among companies reporting in US dollars; growth and margins among companies with at least 10 million of revenue. Technology

Dividends

It paid out $716.3M in cash dividends, 39% of its net income.

Fiscal yearPer sharePaid outOf profit
2021n/a$716.3M39%
2020n/a$347.8M43%
2019n/a$231.1M85%
2018n/a$279.6M111%
2017n/a$205.9M63%

Per share as declared (or paid, where only that is reported), adjusted for stock splits the company itself restated. Yield is the latest fiscal year's dividend over the current price.

Latest SEC filings

What United Microelectronics Corp has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. November 5, 2026
  2. November 3, 2026
  3. October 28, 2026
  4. October 28, 2026
  5. October 23, 2026
  6. October 13, 2026
  7. October 6, 2026
  8. October 5, 2026
  9. October 5, 2026
  10. September 29, 2026

Recent insider filings (Forms 3, 4 and 144): 10, the latest on September 22, 2026. Insider transactions on SEC

Insider trades

What the people running United Microelectronics Corp did with its shares, from the Form 4 filings they must send the SEC within two business days.

Insiders sold $230.4M worth of shares in the last 90 days and bought none on the open market.

Bought (open market)
$0
last 90 days
Sold
$230.4M
last 90 days
Net sold
1,610,000
$230.4M
DateInsiderWhatSharesPriceValueFiling
September 22, 2026 Lin Jen-TsungVice President Sold 10,000 $163.00 $1.6M Form 4
September 17, 2026 Liu ChitungCFO & SVP Sold 400,000 $145.00 $58M Form 4
September 16, 2026 Liu ChitungCFO & SVP Sold 1,200,000 $142.33 $170.8M Form 4
September 7, 2026 Liu ChitungCFO & SVP Other change 1,000,000 - - Form 4
September 7, 2026 Liu ChitungCFO & SVP Other changeindirect 1,000,000 - - Form 4
July 13, 2026 Liu ChitungCFO & SVP Sold 1,900,000 $154.89 $294.3M Form 4
June 30, 2026 Hu Che-JenVice President Sold 10,000 $171.30 $1.7M Form 4

All insider filings on SEC.gov · Where insiders are buying across the market

Who owns UMC

Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.

5% holders

Anyone who owns more than 5% of a class of shares must say so on Schedule 13D (if they may seek to influence the company) or 13G (a passive holder). The latest filing of each holder is shown: 13G filings of the last 2 years, 13D of the last 3.

No holder of 5% or more has filed about this company in that window.

Largest institutional holders

No Form 13F positions imported for this company yet.

Insiders

Reported holdings of insiders who filed a Form 4 in the last 12 months: the shares each one held after their latest reported transaction. This is not the total held by all insiders.

3 insiders reported holding 8,025,977 shares in total, about $118.8M at the last price.

HolderSharesAs of
Liu ChitungCFO & SVP 3,639,7571,000,000 held indirectly September 17, 2026
Hu Che-JenVice President 3,214,080 June 30, 2026
Lin Jen-TsungVice President 1,172,140 September 22, 2026

Schedule 13D/13G filings on SEC.gov

All filings on SEC EDGAR

Questions about UMC

What does United Microelectronics Corp do?

United Microelectronics Corporation operates as a dedicated semiconductor foundry that manufactures integrated circuit wafers for other technology companies. Fabless semiconductor designers and electronics companies contract UMC to fabricate microchips used in communication, consumer electronics, and automotive applications. It is known for producing logic and specialty process chips. Its shares trade on NYSE under the ticker UMC.

What is United Microelectronics Corp's net worth?

United Microelectronics Corp has a market value (market cap) of $37.3B at the latest share price, and shareholders' equity of $11.1B on its balance sheet at December 31, 2024. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.

Is United Microelectronics Corp profitable?

Yes. In fiscal 2024 it reported net income of $1.5B on revenue of $7.1B, a net margin of 21.0%.

How much revenue does United Microelectronics Corp make?

In fiscal 2024 United Microelectronics Corp reported revenue of $7.1B. That is 2.5% less than a year earlier.

When did United Microelectronics Corp last report?

Its newest filing of any kind is the foreign issuer update from November 5, 2026.

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Where the numbers come from

Financial figures are the values United Microelectronics Corp tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.