ACM Research, Inc. Class A Common Stock (ACMR) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for ACMR. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 7,984,847 | $314M | INCREASED |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,264,337 | $89M | NEW |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2,203,831 | $87M | NEW |
| STATE STREET CORP | 2,006,116 | $79M | INCREASED |
| WCM INVESTMENT MANAGEMENT, LLC | 1,860,874 | $71M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Sotheara Cheav (Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.) | EXERCISE | 5,399 | $75K | 2026-06-04 |
| Sotheara Cheav (Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.) | EXERCISE | 13,351 | $185K | 2026-06-04 |
| Sotheara Cheav (Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.) | SELL | 1,647 | $141K | 2026-06-04 |
| Sotheara Cheav (Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.) | SELL | 400 | $34K | 2026-06-04 |
| Sotheara Cheav (Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer.) | SELL | 968 | $80K | 2026-06-04 |
Full institutional holdings, insider history, and congressional trades for ACM Research, Inc. Class A Common Stock on SentiSense.