UMC
United Microelectronics CorporationTechnology · $59.5B market cap
Verdict
We can't put a fair value on UMC right now. Every method we tried put its value at less than 20% of the share price ($130.89 vs $834.62). When our answer is that far from the market, the method most likely doesn't fit this company, so we don't publish a number.
Business quality
0 of 5 clear the 10% bar. What are the Big Five?
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1 of the investors we track holds UMC. In Q2 2026, 1 opened a position. Who we track
Moves in Q2 2026
New position: Lee Ainslie
Insider activity
Since Jun 30, 2026: no open-market purchases, 5 sales worth $526.4M and 1 other filing (stock awards, tax withholding and similar). Why purchases matter
Sales
LIN JEN-TSUNG
Vice President · 2026-09-22
Sold
$1.6M
Liu Chitung
CFO & SVP · 2026-09-17
Sold
$58.0M
Liu Chitung
CFO & SVP · 2026-09-16
Sold
$170.8M
Liu Chitung
CFO & SVP · 2026-07-13
Sold
$294.3M
HU CHE-JEN
Vice President · 2026-06-30
Sold
$1.7M
Other filings
About United Microelectronics Corporation
United Microelectronics Corporation (UMC) operates as a specialized semiconductor wafer foundry, extending its services globally with operations across Taiwan, Singapore, China, Hong Kong, Japan, the United States, and Europe. The company offers a comprehensive range of solutions, from initial circuit blueprinting and mask generation to wafer manufacturing, final assembly, and rigorous testing. UMC's customer base…
Semiconductors
Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works