United Microelectronics
UMC · NYSE · Technology
$24.61
+$0.14 (+0.57%) today
Market Cap
$46.35B
24h Volume
$740.4M
P/E Ratio
17.9
52w High
$27.53
52w Low
$6.90
Est. AI Revenue
10%
7-Day Sparkline (Static)
Company facts
Performance
About United Microelectronics
United Microelectronics Corporation, or UMC, is one of the world's largest semiconductor foundries, manufacturing chips designed by other companies. From its base in Hsinchu, Taiwan, it runs fabs across Taiwan, Singapore, China, and Japan, earning revenue by the wafer on mature and specialty process nodes.
UMC's sweet spot is the 28nm and 22nm nodes, where it makes power management chips, display drivers, networking silicon, and microcontrollers. These are not AI processors, but AI servers and data centers carry dozens of them in every system. UMC is also developing a 12nm process in partnership with Intel using Intel's US fabs.
Founded in 1980 as Taiwan's first semiconductor company, UMC employs about 20,000 people and lists on the NYSE as an ADR alongside its Taiwan listing.
United Microelectronics in the AI buildout
UMC sits in the Semiconductors layer and Chip Equipment layer of the buildout. The AI story is not just GPUs: every server, switch, and power shelf depends on mature-node chips for power delivery, display, timing, and connectivity, and UMC is one of the largest producers of them. Its exposure is broad but indirect, rising with total data center unit volumes rather than accelerator demand, and its Intel partnership positions it for geographically diversified capacity.
UMC is tracked in Semiconductors and Chip Equipment & Foundries, rated Growing on the AI Exposure leaderboard.
By the numbers
52-week range
UMC trades at $24.61, 86% of the way up its 52-week range of $6.90 to $27.53.
Market cap
Market capitalization is $46.35B, with an AI Exposure Score of 32 out of 100.
Valuation vs peers
Its P/E ratio of 17.9 is below the Semiconductors category median of 45.6.
Market data as of the close on . Prices are end of day, not live.
Frequently asked questions
What does United Microelectronics do?
UMC is a Taiwanese semiconductor foundry that manufactures chips for other companies on mature and specialty process nodes. Its output includes power management chips, display drivers, networking silicon, and microcontrollers used across consumer electronics, cars, and data center hardware.
How is United Microelectronics exposed to AI?
AI servers and data center gear carry dozens of mature-node supporting chips that foundries like UMC produce, from power management to connectivity silicon. Supercycle rates it Growing with an AI Exposure Score of 32 out of 100, since direct AI accelerator work stays with leading-edge foundries.
What is UMC's partnership with Intel?
UMC and Intel are jointly developing a 12nm process platform that will run in Intel's US fabs. The deal gives UMC access to more advanced capacity outside Taiwan and gives Intel utilization for its facilities, a strategic angle as chip supply chains diversify geographically.
Is UMC a pure play AI stock?
No. Supercycle classifies UMC as Growing, at the lower end. Its chips appear throughout AI infrastructure, but they serve every electronics market, so results track global semiconductor demand broadly rather than the AI buildout specifically.
Who leads UMC?
Jason S. Wang leads UMC as co-president. The company is headquartered in Hsinchu, Taiwan's semiconductor hub, was founded in 1980 as the island's first chipmaker, and employs about 20,000 people worldwide.
Profile written 2026-08, updated as the business changes. Editorial content, not investment advice.
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