Acm Research shares owned by Thompson, Siegel, & Walmsley
Quarter-by-quarter ownership of Acm Research (ACMR) shares owned by Thompson, Siegel, & Walmsley
from 13F filings
Historical chart of Thompson, Siegel, & Walmsley investment in Acm Research
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Quarterly reported holdings in Acm Research by Thompson, Siegel, & Walmsley
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $4.3M | 110k | 39.13 |
| 2025-06-30 | $2.0M | 78k | 25.90 |
| 2025-03-31 | $1.3M | 54k | 23.34 |
More positions owned by Thompson, Siegel, & Walmsley
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