UMC: United Microelectronics Corp insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
366 institutions reported holding $4.69B of United Microelectronics Corp on Form 13F (319 the quarter before). 84 opened a new position and 36 sold out. Shares held by institutions: +3%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 31,544,454 | $858.32M |
| UBS Group AG | 11,632,967 | $316.53M |
| GOLDMAN SACHS GROUP INC | 11,109,785 | $302.30M |
| BANK OF AMERICA CORP /DE/ | 10,181,208 | $277.03M |
| VANGUARD CAPITAL MANAGEMENT LLC | 8,601,967 | $234.06M |
| MORGAN STANLEY | 8,285,573 | $225.45M |
| AQR CAPITAL MANAGEMENT LLC | 7,718,125 | $210.01M |
| Rafferty Asset Management, LLC | 7,653,378 | $208.25M |
| Man Group plc | 5,593,427 | $152.20M |
| CITIGROUP INC | 5,414,362 | $147.32M |
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