Market Cap
$54.92B
Shares Outstanding
2,507.9M
Primary Exchange
XNYS
Currency
USD
Type
ADRC
IPO Date
Sep 19, 2000
Round Lot
100
Locale
US
Day Open
$21.89
Day High
$22.05
Day Low
$21.59
Volume
8.82M
VWAP
$21.77
Prev Close
$21.90
Transactions
--
Acc. Volume
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Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.
United Microelectronic Corp. (UMC) closed the 2026-09-15 session at $21.61, down 1.32% versus the previous close (-0.29). The stock opened at $21.89 and traded between $21.59 and $22.05 during that session. Session trading volume was 8.8M shares. The volume-weighted average price (VWAP) is $21.77.
Founded in 1980, United Microelectronics is the world's third-largest dedicated chip foundry, with close to 5% market share in 2025 after TSMC and SMIC. UMC's headquarters are in Hsinchu, Taiwan, and it operates 12 fabs in Taiwan, Mainland China, Japan and Singapore, with additional sales offices in Europe, the US, and South Korea. UMC features a diverse customer base that includes Texas Instruments, MediaTek, Intel, Broadcom, Novatek, and Realtek, supplying a wide range of products applied in communications, display, memory, automotive and more. UMC employs about 19,000 people as of February 2025.
United Microelectronic Corp. has a market capitalization of $54.92 billion. UMC is listed on the XNYS exchange. The company employs approximately 19,097 people. The recorded listing date is 2000-09-19.
On this page you can find market UMC stock price data, interactive price charts with multiple timeframes (1 day to max history), company financials including income statements, balance sheets, and cash flow statements, technical indicators (SMA 50, SMA 200, EMA 20, MACD, RSI), latest news and sentiment analysis, dividend history, stock splits, short interest data, float information, and related stocks.
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