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 |
|---|---|---|---|---|---|
| Cornerstone Investment Partners, LLC | 10,170 | $398.0K | 0.02% | −756−6.9% | Reduced |
| SRS Capital Advisors, Inc. | 10,241 | $400.7K | 0.01% | +10,241 | New |
| KLP Kapitalforvaltning AS | 10,700 | $418.7K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 10,869 | $425.3K | 0.01% | +10,869 | New |
| New York State Teachers Retirement System | 11,135 | $436.0K | 0.00% | +10,945+5,760.5% | Added |
| Standard Life Aberdeen plc | 11,078 | $438.4K | 0.00% | +99+0.9% | Added |
| Martingale Asset Management L P | 11,242 | $439.9K | 0.01% | −208−1.8% | Reduced |
| Gsa Capital Partners LLP | 11,423 | $447.0K | 0.04% | +11,423 | New |
| Ensign Peak Advisors, Inc | 11,514 | $450.5K | 0.00% | −8,550−42.6% | Reduced |
| Essex Investment Management Co LLC | 11,770 | $460.6K | 0.07% | −1,460−11.0% | Reduced |
| Oregon Public Employees Retirement Fund | 12,100 | $473.5K | 0.01% | +12,100 | New |
| AXA Investment Managers S.A. | 12,576 | $492.1K | 0.00% | +12,576 | New |
| Guggenheim Capital LLC | 13,027 | $509.7K | 0.00% | −646−4.7% | Reduced |
| Yorktown Management & Research Co Inc | 13,300 | $520.4K | 0.41% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,409 | $524.7K | 0.00% | +13,409 | New |
| Private Advisor Group, LLC | 13,543 | $529.9K | 0.00% | −61−0.4% | Reduced |
| Eschler Asset Management LLP | 13,904 | $544.1K | 0.40% | +13,904 | New |
| Police & Firemen's Retirement System of New Jersey | 13,974 | $546.8K | 0.00% | +2,707+24.0% | Added |
| Beacon Financial Advisory LLC | 14,050 | $549.8K | 0.13% | +10+0.1% | Added |
| Danske Bank A/S | 14,249 | $557.6K | 0.00% | −16,869−54.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 14,500 | $568.0K | 0.00% | +14,500 | New |
| Comerica Bank | 14,713 | $575.7K | 0.00% | +14,700+113,076.9% | Added |
| Brinker Capital Investments, LLC | 15,080 | $590.1K | 0.00% | +13+0.1% | Added |
| Amalgamated Bank | 15,325 | $600.0K | 0.00% | +13,550+763.4% | Added |
| ProShare Advisors LLC | 15,624 | $611.4K | 0.00% | −768−4.7% | Reduced |
| Arizona State Retirement System | 15,649 | $612.3K | 0.00% | +386+2.5% | Added |
| Cynosure Management, LLC | 15,797 | $618.1K | 0.07% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 15,813 | $618.8K | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 16,203 | $634.0K | 0.02% | +15,065+1,323.8% | Added |
| Bailard, Inc. | 16,469 | $644.4K | 0.01% | −831−4.8% | Reduced |
| Spire Wealth Management | 16,581 | $648.8K | 0.02% | −853−4.9% | Reduced |
| Yousif Capital Management, LLC | 16,600 | $649.6K | 0.01% | +16,600 | New |
| Cim, LLC | 17,125 | $670.1K | 0.09% | −18−0.1% | Reduced |
| Verition Fund Management LLC | 17,400 | $680.9K | 0.00% | −6,265−26.5% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 17,291 | $699.6K | 0.00% | +343+2.0% | Added |
| Macquarie Group Ltd | 18,100 | $708.0K | 0.00% | +18,100 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 18,601 | $727.9K | 0.00% | +18,601 | New |
| RBF Capital, LLC | 20,000 | $782.6K | 0.04% | 00.0% | Unchanged |
| James Investment Research Inc | 20,511 | $802.6K | 0.09% | +4,412+27.4% | Added |
| Picton Mahoney Asset Management | 20,542 | $804.0K | 0.01% | +20,542 | New |
| CWM, LLC | 20,755 | $812.0K | 0.00% | −507−2.4% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 21,248 | $831.4K | 0.02% | +21,248 | New |
| SEI Investments Co | 22,086 | $864.3K | 0.00% | −5,921−21.1% | Reduced |
| Vontobel Holding Ltd. | 22,610 | $884.7K | 0.00% | +2,059+10.0% | Added |
| MML Investors Services, LLC | 22,634 | $885.7K | 0.00% | +3,912+20.9% | Added |
| SG Americas Securities, LLC | 22,637 | $886.0K | 0.00% | +22,637 | New |
| Parallax Volatility Advisers, L.P. | 23,818 | $932.0K | 0.03% | +23,818 | New |
| Intech Investment Management LLC | 23,918 | $935.9K | 0.01% | −12,613−34.5% | Reduced |
| Dark Forest Capital Management LP | 24,096 | $942.9K | 0.04% | +9,094+60.6% | Added |
| Citigroup Inc | 24,230 | $948.1K | 0.00% | −213,787−89.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 24,864 | $972.9K | 0.00% | −4,228−14.5% | Reduced |
| Belpointe Asset Management LLC | 25,272 | $988.9K | 0.04% | +25,272 | New |
| State of Alaska, Department of Revenue | 25,856 | $1.01M | 0.01% | +25,856 | New |
| Advisory Research Inc | 25,935 | $1.01M | 0.13% | +25,935 | New |
| Manufacturers Life Insurance Company, The | 26,891 | $1.05M | 0.00% | +408+1.5% | Added |
| Neuberger Berman Group LLC | 27,679 | $1.08M | 0.00% | +404+1.5% | Added |
| State of Wisconsin Investment Board | 27,625 | $1.08M | 0.00% | +6,334+29.7% | Added |
| FCG Investment Co | 27,700 | $1.08M | 0.51% | −8,177−22.8% | Reduced |
| JPMorgan Chase & Co | 28,688 | $1.12M | 0.00% | −109,651−79.3% | Reduced |
| Wolverine Trading, LLC | 29,275 | $1.13M | 0.02% | +6,290+27.4% | Added |
| Virtus ETF Advisers LLC | 28,954 | $1.13M | 0.62% | −2,353−7.5% | Reduced |
| CWM Advisors, LLC | 29,496 | $1.15M | 0.11% | +29,496 | New |
| MetLife Investment Management | 30,677 | $1.20M | 0.01% | 00.0% | Unchanged |
| Illumine Investment Management, LLC | 31,380 | $1.23M | 0.87% | −468−1.5% | Reduced |
| Franklin Resources Inc | 33,245 | $1.30M | 0.00% | +1,332+4.2% | Added |
| NorthCrest Asset Manangement, LLC | 33,570 | $1.36M | 0.03% | +7,298+27.8% | Added |
| Allspring Global Investments Holdings, LLC | 31,326 | $1.37M | 0.00% | −604−1.9% | Reduced |
| Two Sigma Advisers, LP | 35,400 | $1.39M | 0.00% | +35,400 | New |
| Ieq Capital, LLC | 35,805 | $1.40M | 0.00% | −16,390−31.4% | Reduced |
| HRT Financial LP | 36,379 | $1.42M | 0.01% | −169,329−82.3% | Reduced |
| Cerity Partners LLC | 37,743 | $1.48M | 0.00% | +1,882+5.2% | Added |
| Thrivent Financial for Lutherans | 37,984 | $1.49M | 0.00% | +37,984 | New |
| Raymond James Financial Inc | 42,943 | $1.68M | 0.00% | −9,195−17.6% | Reduced |
| Great West Life Assurance Co | 45,036 | $1.74M | 0.00% | +39,258+679.4% | Added |
| Price T Rowe Associates Inc | 45,368 | $1.78M | 0.00% | +3,277+7.8% | Added |
| Royal Bank of Canada | 46,071 | $1.80M | 0.00% | −74,096−61.7% | Reduced |
| ExodusPoint Capital Management, LP | 47,411 | $1.86M | 0.03% | +18,341+63.1% | Added |
| California State Teachers Retirement System | 47,715 | $1.87M | 0.00% | +20.0% | Added |
| Teacher Retirement System of Texas | 48,619 | $1.90M | 0.01% | +779+1.6% | Added |
| Alliancebernstein L.P. | 49,967 | $1.96M | 0.00% | +1,396+2.9% | Added |
| Gilder Gagnon Howe & Co LLC | 50,367 | $1.97M | 0.02% | +729+1.5% | Added |
| Pictet Asset Management Holding SA | 50,893 | $1.99M | 0.00% | +47+0.1% | Added |
| Campbell & CO Investment Adviser LLC | 51,822 | $2.03M | 0.15% | +51,822 | New |
| Hussman Strategic Advisors, Inc. | 52,500 | $2.05M | 0.44% | +52,500 | New |
| Prudential Financial Inc | 52,745 | $2.06M | 0.00% | +52,745 | New |
| Mackenzie Financial Corp | 54,337 | $2.13M | 0.00% | −8,657−13.7% | Reduced |
| Algert Global LLC | 58,794 | $2.30M | 0.04% | −177,768−75.1% | Reduced |
| State Board of Administration of Florida Retirement System | 64,027 | $2.51M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 66,248 | $2.59M | 0.00% | −131,001−66.4% | Reduced |
| Discovery Capital Management, LLC | 66,600 | $2.61M | 0.14% | +66,600 | New |
| Janus Henderson Group PLC | 71,894 | $2.81M | 0.00% | −7,496−9.4% | Reduced |
| UBS Asset Management Americas Inc | 72,667 | $2.84M | 0.00% | −469,070−86.6% | Reduced |
| Tudor Investment Corp Et Al | 74,474 | $2.91M | 0.02% | −166,268−69.1% | Reduced |
| Simplex Trading, LLC | 75,018 | $2.94M | 0.06% | −20,692−21.6% | Reduced |
| Toroso Investments, LLC | 75,913 | $2.97M | 0.01% | +50,440+198.0% | Added |
| First Trust Advisors LP | 76,243 | $2.98M | 0.00% | −5,844−7.1% | Reduced |
| Kendall Capital Management | 76,771 | $3.00M | 0.68% | +22,716+42.0% | Added |
| UBS Oconnor LLC | 79,396 | $3.11M | 0.09% | −12,725−13.8% | Reduced |
| Victory Capital Management Inc | 86,672 | $3.39M | 0.00% | +71,236+461.5% | Added |
| LPL Financial LLC | 93,190 | $3.65M | 0.00% | −42,736−31.4% | Reduced |