ACM Research, Inc.
ACMR- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- SEC CIK
- 0001680062
In the last 90 days, ACM Research, Inc. insiders filed 0 open-market purchases and 3 sales; 377 institutions reported holding it in 13F filings for Q2 2026, worth $6.11B in total; 3 superinvestors hold it, including Southeastern Asset Management (Longleaf) and Soros Fund Management.
13F holders, Q1 2022
Institutional positions in ACM Research, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 96
- −4 vs. Q4 2021
- Shares held
- 29.3M
- +3.03M (+11.5%) vs. Q4 2021Converted for a 3-for-1 split
- Total value
- $606.7M
- −$140.7M (−18.8%) vs. Q4 2021
- New holders
- 21
- 31 more added
- Sold out
- 25
- 28 more reduced
Compare with Q4 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ACMR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 377 | $6.11B |
| Q1 2026 | 301 | $1.74B |
| Q4 2025 | 279 | $1.79B |
| Q3 2025 | 260 | $1.63B |
| Q2 2025 | 243 | $969.2M |
| Q1 2025 | 244 | $838.6M |
| Q4 2024 | 183 | $539.4M |
| Q3 2024 | 185 | $656.9M |
| Q2 2024 | 201 | $774.0M |
| Q1 2024 | 200 | $956.1M |
| Q4 2023 | 156 | $642.8M |
| Q3 2023 | 154 | $562.8M |
| Q2 2023 | 122 | $382.7M |
| Q1 2023 | 130 | $343.6M |
| Q4 2022 | 123 | $235.2M |
| Q3 2022 | 117 | $434.9M |
| Q2 2022 | 98 | $607.2M |
| Q1 2022 | 96 | $606.7M |
| Q4 2021 | 100 | $747.5M |
| Q3 2021 | 96 | $979.6M |
| Q2 2021 | 94 | $753.5M |
| Q1 2021 | 94 | $586.5M |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −40,845−100.0% | Sold outConverted for a 3-for-1 split |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −32,832−100.0% | Sold outConverted for a 3-for-1 split |
| HRT Financial LP | 0 | $0 | 0.00% | −17,397−100.0% | Sold outConverted for a 3-for-1 split |
| Credit Agricole S A | 0 | $0 | 0.00% | −15,600−100.0% | Sold outConverted for a 3-for-1 split |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −15,000−100.0% | Sold outConverted for a 3-for-1 split |
| Parametric Portfolio Associates LLC | 0 | $0 | 0.00% | −14,847−100.0% | Sold outConverted for a 3-for-1 split |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −12,960−100.0% | Sold outConverted for a 3-for-1 split |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −10,200−100.0% | Sold outConverted for a 3-for-1 split |
| Cim, LLC | 0 | $0 | 0.00% | −11,523−100.0% | Sold outConverted for a 3-for-1 split |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −7,857−100.0% | Sold outConverted for a 3-for-1 split |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −7,728−100.0% | Sold outConverted for a 3-for-1 split |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −7,560−100.0% | Sold outConverted for a 3-for-1 split |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −7,524−100.0% | Sold outConverted for a 3-for-1 split |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −915−100.0% | Sold outConverted for a 3-for-1 split |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −600−100.0% | Sold outConverted for a 3-for-1 split |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −537−100.0% | Sold outConverted for a 3-for-1 split |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −300−100.0% | Sold outConverted for a 3-for-1 split |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −231−100.0% | Sold outConverted for a 3-for-1 split |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −186−100.0% | Sold outConverted for a 3-for-1 split |
| Clearview Wealth Advisors LLC | 0 | $0 | 0.00% | −120−100.0% | Sold outConverted for a 3-for-1 split |
| Thomas J. Herzfeld Advisors, Inc. | 0 | $0 | 0.00% | −72−100.0% | Sold outConverted for a 3-for-1 split |