UMC - CIK 0001033767
UNITED MICROELECTRONICS CORP trades as UMC and has a market capitalization of $57.91 B, making it the #284 largest US-listed company by market value. This page tracks UNITED MICROELECTRONICS CORP through 704 SEC filings, with financial statements and metrics updated as new reports are filed.
| Filing | Type | Filed |
|---|---|---|
| 6-K | - | 2026-05-22 |
| 6-K | - | 2026-05-20 |
| 6-K | - | 2026-05-15 |
| 6-K | - | 2026-05-13 |
| 6-K | - | 2026-05-12 |
| 6-K | - | 2026-05-11 |
| 6-K | - | 2026-05-08 |
| New insider ownership | 3 | 2026-05-07 |
Under their leadership, UMC's profitability improved significantly as the company won customers as a trusted foundry partner, while the ...
UMC has a total of 12 fabs in production with combined capacity of more than 400,000 wafers per month (12-in equivalent), and all of them are ...
In the 2026 Yearbook, S&P Global selected 848 companies from 9,200 large corporations across 59 industries worldwide as Yearbook members, with ...
The largest companies sharing UNITED MICROELECTRONICS CORP's SEC industry classification (semiconductors & related devices).
UNITED MICROELECTRONICS CORP (UMC) has a market capitalization of $57.91 B as of 2026-05-29, ranking #284 among US-listed companies.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.