United Microelectronic Corp. (UMC)
NYSE · American depositary receipt
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UMC at a glance
Key statistics
$49.33B
Market capitalization
- Previous close
- $19.67
- Open
- $19.91
- Day range
- $19.63 – $19.96
- Volume
- 3.63M
- Average volume (30 sessions)
- 11.50M
- Shares outstanding
- 2.51B
- Beta (1 year, vs SPY)
- 1.76
Where the price sits in its year
52-week range
59% of the range
- Below the 52-week high
- -31.2%
- Above the 52-week low
- +185.7%
Completed sessions through Oct 20, 2026
Technical snapshot
Below its 50-day average, above its 200-day
- 20-day average
- $23.03-14.6%
- 50-day average
- $21.66-9.2%
- 200-day average
- $16.65+18.2%
Between the conventional 30 and 70 bands.
-12.1%
1 week
-22.7%
1 month
-7.6%
3 months
+150.3%
Year to date
+163.3%
1 year
Price change over each window, from completed sessions. Past performance does not indicate future results.
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What members do with UMC
UMC on Pro Charting
Every intraday interval in real time, the drawing kit and the full set of technical studies on UMC.
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Every planScreen names like UMC
The real-time scanner: price, volume, technical, fundamental and chart-pattern filters across the whole US market.
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Analysis Tools OnlySet a price line on UMC
Put UMC on your watchlist, draw the levels you care about, and My Dashboard tracks where it trades against them.
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Stock Alerts + ToolsOpen alerts on UMC
See whether there is an open premium alert on UMC, with its entry, stop and exit, each one reviewed by an analyst before it is sent.
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From the public news wire
UMC headlines
- Stock Market Today: S&P 500, Nasdaq, Dow Futures Rise Following Tech Rally—Zscaler, United Microelectronics, Braiin In Focus (UPDATED)
Benzinga · May 27, 2026
- Adeia and UMC Expand Long-Term Collaboration in Hybrid Bonding Technologies
GlobeNewswire Inc. · Mar 11, 2026
- United Microelectronics Backs US Semiconductor Push With Polar Foundry Collaboration
Benzinga · Dec 4, 2025
- GlobalFoundries Explores Merger With Taiwan's UMC To Strengthen US Semiconductor Industry
Benzinga · Apr 1, 2025
SEC Form 4, most recent first
Insider filings
LIN JEN-TSUNG
−10.0K
Vice President · Open-market sale
$1.63M · Sep 22, 2026
Liu Chitung
−400.0K
CFO & SVP · Open-market sale
$58.00M · Sep 17, 2026
Liu Chitung
−1.20M
CFO & SVP · Open-market sale
$170.80M · Sep 16, 2026
Liu Chitung
−1.00M
CFO & SVP · Other acquisition or disposition
· Sep 7, 2026
Liu Chitung
+1.00M
CFO & SVP · Other acquisition or disposition
· Sep 7, 2026
Liu Chitung
−1.90M
CFO & SVP · Open-market sale
$294.29M · Jul 13, 2026
HU CHE-JEN
−10.0K
Vice President · Open-market sale
$1.71M · Jun 30, 2026
About United Microelectronic Corp.
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.
- Exchange
- NYSE
- Security
- American depositary receipt
- Employees
- 19,097
- Listed since
- Sep 19, 2000
- Website
- umc.com
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