Mason Hawkins - Southeastern Asset Management Inc
Holding/activity history for ACM Research Inc. (ACMR)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 782,900 | 1.52 | Reduce 53.40% | 1.58 | $39.35 | $30,807,115 | SEC |
| 2025 Q4 | 1,680,181 | 2.95 | Add 13.09% | 0.34 | $39.45 | $66,283,140 | SEC |
| 2025 Q3 | 1,485,687 | 2.97 | Add 25.30% | 0.60 | $39.13 | $58,134,932 | SEC |
| 2025 Q2 | 1,185,744 | 1.55 | Buy | 1.55 | $25.90 | $30,710,770 | SEC |