United Microelectronics (ADR)
Fabricates customer-designed chips across established logic and differentiated specialty processes.
$19.83
After-hours close+0.03 (+0.15%)
At close$19.80(+3.83%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 7.22%Insiders —
Shares outstanding 2.49B · Float 2.17B · 86.8% free float
Insiders — filings are in the shares behind the receipt.
This listing is a depositary receipt and the Form 4 positions here are filed in the shares behind it, a different unit from the share count and in a ratio the filings never state, so no insider percentage is shown.
Institutions13F, as of Jun 30, 2026
388 holders · 180.03M shares · 92 new positions · 223 increased · 114 reduced · 47 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 31.54M | 1.26% | +4.05M | Aug 7, 2026 |
| UBS Group AG | 11.63M | 0.47% | +3.46M | Aug 13, 2026 |
| Goldman Sachs Group Inc | 11.11M | 0.45% | +5.23M | Aug 14, 2026 |
| Bank of America Corp /DE/ | 10.18M | 0.41% | +7.58M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 8.60M | 0.34% | −386.5K | Aug 13, 2026 |
| Morgan Stanley | 8.29M | 0.33% | −492.3K | Aug 13, 2026 |
| AQR Capital Management LLC | 7.72M | 0.31% | −7.00M | Aug 14, 2026 |
| Rafferty Asset Management, LLC | 7.65M | 0.31% | +2.67M | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 6.50% | 817.49M | 13G | Apr 29, 2026 ↗ |
InsidersForm 4
No current Form 4 position on record.
21 positions are filed in the unlisted share unit (46.56M shares), which no share count here divides
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jul 13, 2026 | Chitung Liuofficer: CFO & SVP | Sale | 1,900,000 | $154.89 | 3,322,917 |
| Jun 30, 2026 | Che-Jen Huofficer: Vice President | Sale | 10,000 | $171.30 | 3,214,080 |
CongressHouse and Senate disclosures
Not reported.