As of August 28, 2026, United Microelectronics Corporation (UMC) has a DilutionWatch DilutionScore of 15/100, rated LOW dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. United Microelectronics Corporation has a market capitalization of $55.66B, 12.59B shares outstanding.
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Score Breakdown
📊Float Risk—
Dilution Forecast
☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for UMC.
Market Data
Market Cap$55.66B
Shares Outstanding12.59B
FloatN/A
Cash$4.27B
Debt$2.42B
Short InterestN/A
Institutional Holdings
7.5% institutional ownership
Source: Yahoo Finance · Detailed 13F holder data available for tracked tickers
Short Interest
Short Interest34.19M
Days to Cover1.9
% of FloatN/A
FINRA data as of Jul 31, 2026
Recent SEC Activity
No recent SEC insights
Recent News
No recent news
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Score Coverage Note
- Float Risk is excluded because public-float data is unavailable.