UMC — UNITED MICROELECTRONICS CORP
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on UMC
| date | signal | measured base rate |
|---|---|---|
| 2026-07-17 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-25 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-03 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-22 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-04-20 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-04-07 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-13 | Liu Chitung CFO & SVP | Open-market sale | 1.9M | 154.89 | 294.3M |
| 2026-06-30 | HU CHE-JEN Vice President | Open-market sale | 10.0K | 171.30 | 1.7M |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 246.9M | 27.5M |
| AQR CAPITAL MANAGEMENT LLC | 132.1M | 14.7M |
| TWO SIGMA INVESTMENTS, LP | 86.7M | 9.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | 80.7M | 9.0M |
| MORGAN STANLEY | 78.8M | 8.8M |
| UBS Group AG | 73.4M | 8.2M |
| GOLDMAN SACHS GROUP INC | 52.8M | 5.9M |
| Man Group plc | 51.4M | 5.7M |
| Qube Research & Technologies Ltd | 45.8M | 5.1M |
| STATE STREET CORP | 45.0M | 5.0M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- QUICK SPARK: Semiconductor Traders Get New 2X ETFs on Everspin, SiTime and UMC · 2026-08-13 · benzinga
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