Mason Hawkins - Southeastern Asset Management
Holding/activity history for ACM Research, Inc. (ACMR)
← All ACMR superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 782,900 | 1.52 | Reduce 53.40% | 1.58 | $37.16–71.65 · VW $53.49i | $30,807,115 | SEC |
| 2025 Q4 | 1,680,181 | 2.95 | Add 13.09% | 0.34 | $28.46–44.99 · VW $36.82i | $66,283,140 | SEC |
| 2025 Q3 | 1,485,687 | 2.97 | Add 25.30% | 0.60 | $23.03–45.12 · VW $32.05i | $58,134,932 | SEC |
| 2025 Q2 | 1,185,744 | 1.55 | Buy | 1.55 | $16.82–27.86 · VW $21.94i | $30,710,770 | SEC |
Price snapshot:
Current price$94.08
Avg. buy price$29.83
+/- since buy215.38%
52-week low$23.03
52-week high$127.19