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Acm Research shares owned by UBS O'Connor

Quarter-by-quarter ownership of Acm Research (ACMR) shares owned by UBS O'Connor from 13F filings

Historical chart of UBS O'Connor investment in Acm Research

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All positions including Acm Research held by UBS O'Connor consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Acm Research by UBS O'Connor

Quarter filed Position value Share count Share price at filing
2025-09-30 $2.6M 67k 39.13
2025-06-30 $2.4M 92k 25.90
2021-06-30 $511k 5.0k 102.20
2020-06-30 $2.6M 42k 62.37