United Microelectronic Corp. (UMC) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for UMC. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 356 institutions reported holding UMC, with 177.2 million shares worth $4.8 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 31,544,454 | $858M | INCREASED |
| UBS Group | 11,696,440 | $318M | INCREASED |
| Goldman Sachs | 11,109,785 | $302M | INCREASED |
| Vanguard | 10,715,855 | $292M | DECREASED |
| Bank of America | 10,181,208 | $277M | INCREASED |
Full institutional holdings, insider history, and congressional trades for United Microelectronic Corp. on SentiSense.