ACM Research, Inc. Class A Common Stock (ACMR) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ACMR. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 365 institutions reported holding ACMR, with 48.0 million shares worth $6.1 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 8,660,842 | $1.1B | INCREASED |
| Vanguard | 6,298,802 | $799M | INCREASED |
| Capital Group | 3,021,465 | $383M | NEW |
| State Street | 2,188,254 | $278M | INCREASED |
| Geode Capital Management | 1,487,797 | $189M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Yue Nmn Ma (Chief Operations Officer) | AWARD | 13,470 | $1M | 2026-10-01 |
| Yue Nmn Ma (Chief Operations Officer) | AWARD | 100,000 | $8M | 2026-10-01 |
| David H Wang (Director, 10% Owner) | EXERCISE | 70,000 | $70K | 2026-09-09 |
| David H Wang (Director, 10% Owner) | SELL | 1,100 | $85K | 2026-09-09 |
| David H Wang (Director, 10% Owner) | SELL | 4,807 | $369K | 2026-09-09 |
Full institutional holdings, insider history, and congressional trades for ACM Research, Inc. Class A Common Stock on SentiSense.