United Microelectronics Corporation
2303 · TWSE · Semiconductors · Foundry · US listing: UMC
About the company
United Microelectronics Corporation (UMC) is one of the world's largest semiconductor foundries, focusing on mature and specialty process nodes for analog, power management, and embedded memory applications. UMC serves customers in the automotive, consumer, communications, and industrial segments. The company is listed on both the TWSE and the New York Stock Exchange.
| Exchange | TWSE |
| Ticker | 2303 |
| Sector | Semiconductors · Foundry |
| US listing | UMC |
| Indicative market cap USD | $17.40B |
| Website | Visit website |
Live quote
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Where to buy
Trades in the US as UMC, available through most US brokerage accounts.
On its home market (TWSE), it is accessible through global brokers that offer that exchange:
- Interactive Brokers — Direct access to 90+ markets worldwide, including many emerging exchanges.
- Saxo Bank — Multi-market access across Asia, Europe and the Middle East.
- Charles Schwab (Global) — Foreign ordinary shares on select markets; US-listed ADRs and ETFs.
- Fidelity International Trading — International stock trading on a number of developed and emerging markets.
- Taiwan Stock Exchange Corporation — official exchange listing
Availability information only. Not a recommendation or an offer to buy. Confirm eligibility, fees and current availability with your broker.
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Company data and any live price are indicative, may be delayed or inaccurate, and are for research only. Not investment advice. Verify with the exchange, the company's filings and your broker.