UNITED MICROELECTRONICS CORP

UMC · NYSE · SIC 3674: Semiconductors & Related Devices · Market Cap: $32.8B · 19,016 employees
569
SEC Filings
$22.89
Close 2026-06-01
19,016
Employees

Latest Stock Quote

UMC 2026-06-01 $22.89 O:$22.97 H:$23.02 L:$22.135 Vol:11.5M VWAP:$22.7395
origin leaf: 72b8efc6e16aefa706ceea9fd34273c91c12a67194ff84b02a1d0f24e2bf5ae3

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

Sector Peers

AMD — ADVANCED MICRO DEVICES INC 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 AAOI — APPLIED OPTOELECTRONICS, INC.

Company Identity

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

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This is the free public profile. For structured JSON with full provenance chain, use the API:

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
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parent: 5fad0f26ea8566c398e7c7fb1ad01cf216849c0f125ad668920bd74387bad79a
content hash: d095ef50c2aa3baf7af1f696d6d1c4da4c4cfe17b20f33045f30c3117c8c4509
signed: 2026-06-02T19:02:57.666Z
sources: 1 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf