Ownership history in Quantbot Technologies LP · 5 quarters on record
This page tracks every 13F SEC filing in which Quantbot Technologies LP reported a position in ACM RESEARCH INC-CLASS A (ACMR). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | REDUCED | 280 | -14,937 | -98.2% | 0.00% | $11K | $39.13 |
| 2024 Q1 | REDUCED | 15,217 | -7,508 | -33.0% | 0.02% | $443K | $29.14 |
| 2022 Q4 | ADDED | 22,725 | +22,625 | +22625.0% | 0.01% | $175K | $7.71 |
| 2021 Q2 | REDUCED | 100 | -1,554 | -94.0% | 0.00% | $10K | $34.07 |
As of 2025 Q4 — sorted by position size