Pertento Partners LLP
- SEC CIK
- 0001894571
- Latest filing
- Aug 13, 2026
ACMR holding history
ACM Research, Inc. in every 13F filed by Pertento Partners LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ACMR overviewAll 13F holders of ACMRFull Q2 2026 holdings
- Shares (Q3 2025)
- 0
- Sold out in Q3 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 10
- Since Q1 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 0 | $0 | 0.0% | −1,024,632−100.0% | Sold out | Holders |
| Q2 2025 | 1,024,632 | $26.5M | 3.0% | 00.0% | Unchanged | Holders |
| Q1 2025 | 1,024,632 | $23.9M | 2.9% | −160,405−13.5% | Reduced | Holders |
| Q4 2024 | 1,185,037 | $17.9M | 1.8% | +215,744+22.3% | Added | Holders |
| Q3 2024 | 969,293 | $19.7M | 2.4% | 00.0% | Unchanged | Holders |
| Q2 2024 | 969,293 | $22.4M | 2.8% | +173,998+21.9% | Added | Holders |
| Q1 2024 | 795,295 | $23.2M | 4.7% | −289,738−26.7% | Reduced | Holders |
| Q4 2023 | 1,085,033 | $21.2M | 4.0% | −110,431−9.2% | Reduced | Holders |
| Q3 2023 | 1,195,464 | $21.6M | 4.8% | +39,207+3.4% | Added | Holders |
| Q2 2023 | 1,156,257 | $15.1M | 3.4% | +268,828+30.3% | Added | Holders |
| Q1 2023 | 887,429 | $10.4M | 2.6% | +887,429 | New | Holders |