Acm Research shares owned by Portolan Capital Management
Quarter-by-quarter ownership of Acm Research (ACMR) shares owned by Portolan Capital Management
from 13F filings
Historical chart of Portolan Capital Management investment in Acm Research
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All positions including Acm Research held by Portolan Capital Management consolidated in one spreadsheet with up to 7 years of data
Download as csvQuarterly reported holdings in Acm Research by Portolan Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $16M | 406k | 39.13 |
| 2024-09-30 | $19M | 922k | 20.30 |
| 2024-06-30 | $20M | 856k | 23.06 |
| 2024-03-31 | $16M | 538k | 29.14 |
| 2023-12-31 | $16M | 800k | 19.54 |
| 2023-03-31 | $6.6M | 562k | 11.70 |
More positions owned by Portolan Capital Management
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