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 2024
Institutional positions in ACM Research, Inc. as of Mar 31, 2024. 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
- 200
- +45 vs. Q4 2023
- Shares held
- 32.8M
- −46.9K (−0.1%) vs. Q4 2023
- Total value
- $956.1M
- +$313.6M (+48.8%) vs. Q4 2023
- New holders
- 71
- 53 more added
- Sold out
- 26
- 53 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ariose Capital Management Ltd | 0 | $0 | 0.00% | −1,980,671−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −442,190−100.0% | Sold out |
| Think Investments LP | 0 | $0 | 0.00% | −417,500−100.0% | Sold out |
| Swedbank AB | 0 | $0 | 0.00% | −320,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −235,704−100.0% | Sold out |
| Quaero Capital S.A. | 0 | $0 | 0.00% | −130,514−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −106,000−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −95,300−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −67,124−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −41,045−100.0% | Sold out |
| Connective Capital Management, LLC | 0 | $0 | 0.00% | −27,180−100.0% | Sold out |
| X-Square Capital, LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −22,964−100.0% | Sold out |
| Eschler Asset Management LLP | 0 | $0 | 0.00% | −22,243−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −18,543−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −14,385−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −13,780−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −12,200−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −11,739−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −11,251−100.0% | Sold out |
| Strategic Advocates LLC | 0 | $0 | 0.00% | −10,938−100.0% | Sold out |
| Transcendent Capital Group LLC | 0 | $0 | 0.00% | −7,431−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −4,412−100.0% | Sold out |
| Hood River Capital Management LLC | 0 | $0 | 0.00% | −3,388−100.0% | Sold out |
| AJOVista, LLC | 0 | $0 | 0.00% | −546−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −138−100.0% | Sold out |
| Watershed Asset Management, L.L.C. | – | – | – | – | Not filed |