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, Q4 2025
Institutional positions in ACM Research, Inc. as of Dec 31, 2025. 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
- 279
- +25 vs. Q3 2025
- Shares held
- 45.2M
- +3.55M (+8.5%) vs. Q3 2025
- Total value
- $1.79B
- +$154.5M (+9.5%) vs. Q3 2025
- New holders
- 68
- 96 more added
- Sold out
- 43
- 85 more reduced
6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Entropy Technologies, LP | 0 | $0 | 0.00% | −9,880−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −9,116−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −9,025−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −8,946−100.0% | Sold out |
| Savvy Advisors, Inc. | 0 | $0 | 0.00% | −7,943−100.0% | Sold out |
| Perigon Wealth Management, LLC | 0 | $0 | 0.00% | −7,402−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −7,167−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −6,738−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −6,114−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −5,756−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −5,575−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −5,539−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −280−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Turning Point Benefit Group, Inc. | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| FCG Investment Co | – | – | – | – | Not filed |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Binnacle Investments Inc | – | – | – | – | Not filed |
| Guerra Advisors Inc | – | – | – | – | Not filed |