UNITED MICROELECTRONICS CORP

UMC · NYSE · SIC 3674: Semiconductors & Related Devices · Market Cap: $32.8B · 19,016 employees
569
SEC Filings
$17.36
Close 2026-07-28
19,016
Employees

Business Summary

United Microelectronics Corp (UMC) is a Taiwan-based semiconductor foundry that manufactures and sells wafers fabricated at its foundries. The company also provides wafer probe services, mask tooling services, and assembly and test services (subcontracted). Operating revenues are primarily derived from wafer fabrication. UMC operates foundries and has a branch in Singapore, serving customers across various technology segments requiring semiconductor manufacturing.

Latest Stock Quote

UMC 2026-07-28 $17.36 O:$16.9 H:$17.7 L:$16.54 Vol:26.6M VWAP:$17.2875
origin leaf: null

569 total filings indexed. 569 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AMD — ADVANCED MICRO DEVICES INC ATEYY — ADVANTEST CORP ALGM — ALLEGRO MICROSYSTEMS, INC. AOSL — ALPHA & OMEGA SEMICONDUCTOR Ltd AMBA — AMBARELLA INC AMKR — AMKOR TECHNOLOGY, INC. ADI — ANALOG DEVICES INC AMAT — APPLIED MATERIALS INC /DE

Tags

semiconductor-foundry-services wafer-fabrication integrated-circuit-manufacturing

Company Identity

CIK0001033767
TickerUMC
ExchangeNYSE
SIC3674: Semiconductors & Related Devices
IncorporatedF5
HeadquartersTaiwan, R.O.C.
Websitehttps://www.umc.com
Listed2000-09-19

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JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 5c9d6cf097aa3770c642ef1a4769e2ea892c11c4dc56c06324a0fc90517dd81f
parent: root
content hash: a10d9162a1cbf5318429d48a07076c706c76bf3601c7a52f779fe51d0cda19d4
signed: 2026-08-13T19:06:59.140Z
sources: 0 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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