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, Q3 2025
Institutional positions in ACM Research, Inc. as of Sep 30, 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
- 260
- +18 vs. Q2 2025
- Shares held
- 41.8M
- +4.38M (+11.7%) vs. Q2 2025
- Total value
- $1.63B
- +$665.8M (+68.7%) vs. Q2 2025
- New holders
- 63
- 82 more added
- Sold out
- 45
- 78 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wolverine Trading, LLC | 29,275 | $1.13M | 0.02% | +6,290+27.4% | Added |
| JPMorgan Chase & Co | 28,688 | $1.12M | 0.00% | −109,651−79.3% | Reduced |
| FCG Investment Co | 27,700 | $1.08M | 0.51% | −8,177−22.8% | Reduced |
| State of Wisconsin Investment Board | 27,625 | $1.08M | 0.00% | +6,334+29.7% | Added |
| Neuberger Berman Group LLC | 27,679 | $1.08M | 0.00% | +404+1.5% | Added |
| Manufacturers Life Insurance Company, The | 26,891 | $1.05M | 0.00% | +408+1.5% | Added |
| Advisory Research Inc | 25,935 | $1.01M | 0.13% | +25,935 | New |
| State of Alaska, Department of Revenue | 25,856 | $1.01M | 0.01% | +25,856 | New |
| Belpointe Asset Management LLC | 25,272 | $988.9K | 0.04% | +25,272 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 24,864 | $972.9K | 0.00% | −4,228−14.5% | Reduced |
| Citigroup Inc | 24,230 | $948.1K | 0.00% | −213,787−89.8% | Reduced |
| Dark Forest Capital Management LP | 24,096 | $942.9K | 0.04% | +9,094+60.6% | Added |
| Intech Investment Management LLC | 23,918 | $935.9K | 0.01% | −12,613−34.5% | Reduced |
| Parallax Volatility Advisers, L.P. | 23,818 | $932.0K | 0.03% | +23,818 | New |
| SG Americas Securities, LLC | 22,637 | $886.0K | 0.00% | +22,637 | New |
| MML Investors Services, LLC | 22,634 | $885.7K | 0.00% | +3,912+20.9% | Added |
| Vontobel Holding Ltd. | 22,610 | $884.7K | 0.00% | +2,059+10.0% | Added |
| SEI Investments Co | 22,086 | $864.3K | 0.00% | −5,921−21.1% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 21,248 | $831.4K | 0.02% | +21,248 | New |
| CWM, LLC | 20,755 | $812.0K | 0.00% | −507−2.4% | Reduced |
| Picton Mahoney Asset Management | 20,542 | $804.0K | 0.01% | +20,542 | New |
| James Investment Research Inc | 20,511 | $802.6K | 0.09% | +4,412+27.4% | Added |
| RBF Capital, LLC | 20,000 | $782.6K | 0.04% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 18,601 | $727.9K | 0.00% | +18,601 | New |
| Macquarie Group Ltd | 18,100 | $708.0K | 0.00% | +18,100 | New |
| Wealth Enhancement Advisory Services, LLC | 17,291 | $699.6K | 0.00% | +343+2.0% | Added |
| Verition Fund Management LLC | 17,400 | $680.9K | 0.00% | −6,265−26.5% | Reduced |
| Cim, LLC | 17,125 | $670.1K | 0.09% | −18−0.1% | Reduced |
| Yousif Capital Management, LLC | 16,600 | $649.6K | 0.01% | +16,600 | New |
| Spire Wealth Management | 16,581 | $648.8K | 0.02% | −853−4.9% | Reduced |
| Bailard, Inc. | 16,469 | $644.4K | 0.01% | −831−4.8% | Reduced |
| CoreCap Advisors, LLC | 16,203 | $634.0K | 0.02% | +15,065+1,323.8% | Added |
| New York State Common Retirement Fund | 15,813 | $618.8K | 0.00% | 00.0% | Unchanged |
| Cynosure Management, LLC | 15,797 | $618.1K | 0.07% | 00.0% | Unchanged |
| Arizona State Retirement System | 15,649 | $612.3K | 0.00% | +386+2.5% | Added |
| ProShare Advisors LLC | 15,624 | $611.4K | 0.00% | −768−4.7% | Reduced |
| Amalgamated Bank | 15,325 | $600.0K | 0.00% | +13,550+763.4% | Added |
| Brinker Capital Investments, LLC | 15,080 | $590.1K | 0.00% | +13+0.1% | Added |
| Comerica Bank | 14,713 | $575.7K | 0.00% | +14,700+113,076.9% | Added |
| Teachers Retirement System of the State of Kentucky | 14,500 | $568.0K | 0.00% | +14,500 | New |
| Danske Bank A/S | 14,249 | $557.6K | 0.00% | −16,869−54.2% | Reduced |
| Beacon Financial Advisory LLC | 14,050 | $549.8K | 0.13% | +10+0.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 13,974 | $546.8K | 0.00% | +2,707+24.0% | Added |
| Eschler Asset Management LLP | 13,904 | $544.1K | 0.40% | +13,904 | New |
| Private Advisor Group, LLC | 13,543 | $529.9K | 0.00% | −61−0.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,409 | $524.7K | 0.00% | +13,409 | New |
| Yorktown Management & Research Co Inc | 13,300 | $520.4K | 0.41% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 13,027 | $509.7K | 0.00% | −646−4.7% | Reduced |
| AXA Investment Managers S.A. | 12,576 | $492.1K | 0.00% | +12,576 | New |
| Oregon Public Employees Retirement Fund | 12,100 | $473.5K | 0.01% | +12,100 | New |
| Essex Investment Management Co LLC | 11,770 | $460.6K | 0.07% | −1,460−11.0% | Reduced |
| Ensign Peak Advisors, Inc | 11,514 | $450.5K | 0.00% | −8,550−42.6% | Reduced |
| Gsa Capital Partners LLP | 11,423 | $447.0K | 0.04% | +11,423 | New |
| Martingale Asset Management L P | 11,242 | $439.9K | 0.01% | −208−1.8% | Reduced |
| Standard Life Aberdeen plc | 11,078 | $438.4K | 0.00% | +99+0.9% | Added |
| New York State Teachers Retirement System | 11,135 | $436.0K | 0.00% | +10,945+5,760.5% | Added |
| Marex Group plc | 10,869 | $425.3K | 0.01% | +10,869 | New |
| KLP Kapitalforvaltning AS | 10,700 | $418.7K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 10,241 | $400.7K | 0.01% | +10,241 | New |
| Cornerstone Investment Partners, LLC | 10,170 | $398.0K | 0.02% | −756−6.9% | Reduced |
| PDT Partners, LLC | 9,941 | $389.0K | 0.02% | −10.0% | Reduced |
| Entropy Technologies, LP | 9,880 | $386.6K | 0.03% | +9,880 | New |
| Creative Planning | 9,722 | $380.4K | 0.00% | +1,550+19.0% | Added |
| Pallas Capital Advisors LLC | 9,591 | $375.3K | 0.01% | −17−0.2% | Reduced |
| Voya Investment Management LLC | 9,161 | $358.5K | 0.00% | −4,717−34.0% | Reduced |
| XTX Topco Ltd | 9,116 | $356.7K | 0.02% | +9,116 | New |
| Apollon Wealth Management, LLC | 9,025 | $353.1K | 0.01% | +9,025 | New |
| DRW Securities, LLC | 8,946 | $350.6K | 0.02% | +8,946 | New |
| Quest Partners LLC | 8,517 | $333.3K | 0.02% | −11,970−58.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,225 | $321.8K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 8,086 | $316.4K | 0.00% | +8,086 | New |
| Savvy Advisors, Inc. | 7,943 | $310.8K | 0.01% | +7,943 | New |
| Diametric Capital, LP | 7,606 | $297.6K | 0.11% | −2,003−20.8% | Reduced |
| Maryland State Retirement & Pension System | 7,596 | $297.2K | 0.01% | +7,596 | New |
| Perigon Wealth Management, LLC | 7,402 | $289.6K | 0.01% | −2,617−26.1% | Reduced |
| MidWestOne Financial Group, Inc. | 7,188 | $281.3K | 0.03% | +7,188 | New |
| Mariner, LLC | 7,167 | $280.4K | 0.00% | −3,431−32.4% | Reduced |
| Prelude Capital Management, LLC | 7,056 | $276.1K | 0.02% | +7,056 | New |
| Cambridge Investment Research Advisors, Inc. | 6,927 | $271.0K | 0.00% | +6,927 | New |
| Mirae Asset Global Investments Co., Ltd. | 6,841 | $267.7K | 0.00% | +1,841+36.8% | Added |
| Caxton Associates LLP | 6,738 | $263.7K | 0.01% | +6,738 | New |
| STRS Ohio | 6,700 | $262.2K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,283 | $240.9K | 0.00% | −586−7.4% | Reduced |
| Numerai GP LLC | 6,114 | $239.2K | 0.03% | +6,114 | New |
| Ronald Blue Trust, Inc. | 5,997 | $234.7K | 0.00% | +449+8.1% | Added |
| Violich Capital Management, Inc. | 5,900 | $230.9K | 0.03% | +5,900 | New |
| Mutual of America Capital Management LLC | 5,896 | $230.7K | 0.00% | +5,896 | New |
| Independent Advisor Alliance | 5,797 | $226.8K | 0.01% | −2,198−27.5% | Reduced |
| Zacks Investment Management | 5,756 | $225.2K | 0.00% | +5,756 | New |
| Commonwealth Equity Services, LLC | 5,575 | $218.0K | 0.00% | +5,575 | New |
| Aquatic Capital Management LLC | 5,539 | $216.7K | 0.00% | −54,092−90.7% | Reduced |
| CIBC Bancorp USA Inc. | 5,388 | $210.8K | 0.00% | +5,388 | New |
| Chicago Partners Investment Group LLC | 4,967 | $201.0K | 0.01% | +4,967 | New |
| Ameritas Investment Partners, Inc. | 4,223 | $165.2K | 0.01% | −986−18.9% | Reduced |
| Palouse Capital Management, Inc. | 3,931 | $153.8K | 0.10% | −1,184−23.1% | Reduced |
| Sterling Capital Management LLC | 3,500 | $137.0K | 0.00% | +2,135+156.4% | Added |
| Resona Asset Management Co.,Ltd. | 3,200 | $123.6K | 0.00% | −4,530−58.6% | Reduced |
| Essential Partners LLC | 3,052 | $119.4K | 0.04% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,316 | $90.6K | 0.00% | −3,760−61.9% | Reduced |
| Truvestments Capital LLC | 2,313 | $90.5K | 0.02% | 00.0% | Unchanged |