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UNITED MICROELECTRONICS CORP
UMC - CIK 0001033767
Market cap$57.91 B
Rank#284
SEC filings704
Market capitalization of UNITED MICROELECTRONICS CORP
As of 2026-05-29, UNITED MICROELECTRONICS CORP (UMC) has a market capitalization of $57.91 B, making it the #284 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-05-29 | $57.91 B |
| 2026-05-28 | $55.44 B |
| 2026-05-26 | $52.24 B |
| 2026-05-25 | $50.03 B |
| 2026-05-24 | $45.62 B |
| 2026-05-22 | $45.62 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is UNITED MICROELECTRONICS CORP's market cap?
As of 2026-05-29, UNITED MICROELECTRONICS CORP (UMC) has a market capitalization of $57.91 B, making it the #284 most valuable US-listed company.
Where does UNITED MICROELECTRONICS CORP rank by market cap?
UNITED MICROELECTRONICS CORP is the #284 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.