TotalMarketCap

United Microelectronics

UMCNYSE TaiwanTechnologySemiconductors

Market cap

$33.598 B

$13.35 -16.91%

Close of 6 Nov 2026

As of 6 Nov 2026, United Microelectronics (UMC) has a market capitalization of $33.6B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

—

Not reported

Earnings

—

Not reported

Shares outstanding

12,588,156,344

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Semiconductors, ranked by market cap

All 100 →
  1. #16STMicroelectronicsSTM$35.5B
  2. #17Microchip TechnologyMCHP$35.3B
  3. #18United MicroelectronicsUMC$33.6B
  4. #19Astera LabsALAB$31.0B
  5. #20On SemiconductorON$24.6B

What if United Microelectronics were worth as much as…

Open the what-if tool →

Gold $28.2T

$11,215.65

Per share 840× higher

Bitcoin $1.53T

$606.86

Per share 45.5× higher

Apple $5.02T

$1,992.26

Per share 149× higher

Or at a round number

$50.0B$100.0B$200.0B$500.0B

Where these numbers come from

Share counts and financials for United Microelectronics are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.