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United Microelectronics shares owned by Altar Rock

Quarter-by-quarter ownership of United Microelectronics (UMC) shares owned by Altar Rock from 13F filings

Historical chart of Altar Rock investment in United Microelectronics

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All positions including United Microelectronics held by Altar Rock consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in United Microelectronics by Altar Rock

Quarter filed Position value Share count Share price at filing
2026-06-30 $216k 7.9k 27.21