TAIWAN STOCK EXCHANGE · UMC
+1.71% · +$0.4000 · Vol 13.2M
Market closed · last close 4:00 PM ET · price as of 19:49:53 ET
United Microelectronics Corp

United Microelectronics Corp

Semiconductors
$23.86
+ Add to watchlist
Card
Relationship Map

Veridion Score

Refresh
Score snapshot refresh in progress
Veridion Score History · 90D

Composite trend over time

Score not reportedVeridion does not publish a score-history trend for UMC until the ticker has a real scored snapshot. No trend is implied for this page.Review methodology
NO SCORE SNAPSHOT COVERAGE
AI Analysis
Sovereign

Why is UMC moving today?

Sovereign unlock connects news, insider activity, analyst moves, and live price action.
Catalyst calendar
Dated receipts for UMC are being assembled.
About United Microelectronics Corp
Semiconductors
Founded
1980
Listed
2000
Employees
19K
Country
TW

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.

Company website →
Key statistics

Reported fields plus Veridion-computed history. Unsourced tiles are omitted.

Open
$24.17
Day high
$24.40
Day low
$23.57
Previous close
$23.46
52W high
$24.40
-2.21% from high
52W low
$23.57
35% of range
Market cap
$58.9B
P/E
38.53×
EPS
$3.98
Shares out
2.5B
Volume
13.2M
VWAP
$23.94
Price history computed in-house
SMA 50 Not reported · Not reported
SMA 200 Not reported · Not reported
52W position 35%
Veridion warehouse edge

Warehouse intelligence for UMC.

Veridion Score
Not reported
Congress 30d
0
No recent disclosure on file.
Insider activity
See Form 4 panel below.
13F holders
None on file
Capital Web snapshots checked.
Disclosure-sourced lobbying and contract detail remains attributed in the full panels below.
Related public evidence

Continue the UMC research trail.

Relationship mapTrace receipt-backed holders and filings around UMC.Congress disclosuresOpen receipt and filing context for UMC.MethodologyReview score inputs, coverage rules, and limitations.
Data ledger
Quote and day range
Refresh interval: 30 seconds
Source: Market data
Veridion Score
Coverage building
Source: Veridion methodology
Chart and risk context
Daily bars with no missing-bar fill
Source: Market data
News and filings
Refresh intervals shown inside each panel
Source: Market news and federal filings
Financials
Statements refresh in progress
SEC Form 4 ledger

UMC insider activity

United Microelectronics Corp

Score
Coverage building
Pressure
Mixed
Filings
0
Buys / sells
0 / 0
Net value
Not disclosed
Insiders
0
Cluster

No multi-insider buying cluster in the last 90 days

Net pressure

Mixed: Not disclosed across loaded Form 4 rows.

Convergence not established

Loaded official disclosures do not show all three sources aligned on this ticker.

Coverage building

The current Form 4 feed did not return value-bearing open-market rows for UMC.

Source: SEC EDGAR Form 4. Rows with missing price or quantity are excluded rather than zero-filled.Methodology
Congress · 90D
Congress filing snapshot refresh in progress
Federal contracts

UMC contract awards, year to date.

Public federal awards linked to this ticker.

Not disclosed
Refresh interval: 12hSource: Federal contract awards
No federal contracts on file for UMC in this window.
Lobbying spend

UMC lobbying filings, year to date.

Registered lobbying filings matched to United Microelectronics Corp.

Not disclosed
Refresh interval: 12hSource: LDA disclosure filings
No lobbying filings on file for UMC in this window.
Latest news · UMC
Refresh interval: 5 minutes · Source: Market news insights
News snapshot refresh in progress
Analyst ratings
Sovereign unlock shows live analyst consensus for UMC.
Options
Sovereign unlock shows live options positioning for UMC.
Weekly Veridion brief

Rating changes, public disclosure activity, methodology notes, and product updates. One email per week. No advertising list resale.