Vanguard Portfolio Management »

United Microelectronics shares owned by Vanguard Portfolio Management

Quarter-by-quarter ownership of United Microelectronics (UMC) shares owned by Vanguard Portfolio Management from 13F filings

Historical chart of Vanguard Portfolio Management investment in United Microelectronics

Tip: Access up to 7 years of quarterly data

All positions including United Microelectronics held by Vanguard Portfolio Management consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in United Microelectronics by Vanguard Portfolio Management

Quarter filed Position value Share count Share price at filing
2026-03-31 $25M 2.8M 8.98