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 |
|---|---|---|---|---|---|
| Leuthold Group, LLC | 8,362 | $329.9K | 0.04% | +8,362 | New |
| Standard Life Aberdeen plc | 8,386 | $330.8K | 0.00% | −2,692−24.3% | Reduced |
| Fund Advisors of America Inc | 8,604 | $339.4K | 0.31% | +8,604 | New |
| Prelude Capital Management, LLC | 8,883 | $350.4K | 0.03% | +1,827+25.9% | Added |
| Landscape Capital Management, L.L.C. | 9,191 | $362.6K | 0.02% | +9,191 | New |
| Creative Planning | 9,299 | $366.8K | 0.00% | −423−4.4% | Reduced |
| First Growth Capital LLC | 5,313 | $375.5K | 0.33% | +5,313 | New |
| Pallas Capital Advisors LLC | 9,599 | $378.7K | 0.01% | +8+0.1% | Added |
| Quest Partners LLC | 9,627 | $379.8K | 0.02% | +1,110+13.0% | Added |
| Vident Advisory, LLC | 9,712 | $383.1K | 0.00% | +9,712 | New |
| Pictet Asset Management Holding SA | 9,725 | $383.7K | 0.00% | −41,168−80.9% | Reduced |
| Nomura Holdings Inc | 9,767 | $385.3K | 0.00% | −134,725−93.2% | Reduced |
| Amundi | 9,833 | $387.9K | 0.00% | +9,833 | New |
| Seldon Capital LP | 10,000 | $394.5K | 0.14% | −183,242−94.8% | Reduced |
| CAPROCK Group, Inc. | 10,050 | $396.5K | 0.01% | +10,050 | New |
| Prudential PLC | 10,113 | $399.0K | 0.00% | +10,113 | New |
| Freestone Grove Partners LP | 10,153 | $400.5K | 0.00% | +10,153 | New |
| Watershed Asset Management, L.L.C. | 10,845 | $427.8K | 0.40% | +10,845 | New |
| WCM Investment Management, LLC | 10,960 | $440.6K | 0.00% | +10,960 | New |
| KLP Kapitalforvaltning AS | 11,300 | $445.8K | 0.00% | +600+5.6% | Added |
| Comerica Bank | 11,492 | $453.4K | 0.00% | −3,221−21.9% | Reduced |
| Acadian Asset Management LLC | 11,679 | $458.0K | 0.00% | +10,675+1,063.2% | Added |
| Essex Investment Management Co LLC | 11,770 | $464.3K | 0.07% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 12,157 | $479.6K | 0.00% | −15,468−56.0% | Reduced |
| Oregon Public Employees Retirement Fund | 12,160 | $479.7K | 0.01% | +60+0.5% | Added |
| CoreCap Advisors, LLC | 12,628 | $498.2K | 0.02% | −3,575−22.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 13,145 | $518.0K | 0.00% | −1,355−9.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,188 | $520.3K | 0.00% | −221−1.6% | Reduced |
| Yorktown Management & Research Co Inc | 13,300 | $524.7K | 0.42% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 13,974 | $551.3K | 0.00% | 00.0% | Unchanged |
| Beacon Financial Advisory LLC | 14,050 | $554.3K | 0.13% | 00.0% | Unchanged |
| Bailard, Inc. | 14,169 | $559.0K | 0.01% | −2,300−14.0% | Reduced |
| Advisor Group Holdings, Inc. | 14,342 | $565.8K | 0.00% | +7,059+96.9% | Added |
| Brinker Capital Investments, LLC | 14,423 | $569.0K | 0.00% | −657−4.4% | Reduced |
| Arizona State Retirement System | 14,835 | $585.2K | 0.00% | −814−5.2% | Reduced |
| Odyssean, LLC | 15,137 | $597.2K | 0.43% | +15,137 | New |
| Amalgamated Bank | 15,231 | $601.0K | 0.00% | −94−0.6% | Reduced |
| ProShare Advisors LLC | 15,524 | $612.4K | 0.00% | −100−0.6% | Reduced |
| Handelsbanken Fonder AB | 15,900 | $627.0K | 0.00% | +15,900 | New |
| Cim, LLC | 16,184 | $638.5K | 0.08% | −941−5.5% | Reduced |
| Spire Wealth Management | 16,599 | $654.8K | 0.02% | +18+0.1% | Added |
| Vontobel Holding Ltd. | 17,824 | $703.2K | 0.00% | −4,786−21.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,878 | $705.3K | 0.00% | +9,653+117.4% | Added |
| Nkcfo LLC | 18,000 | $710.0K | 0.21% | +18,000 | New |
| Yousif Capital Management, LLC | 14,216 | $727.3K | 0.01% | −2,384−14.4% | Reduced |
| Federated Hermes, Inc. | 19,051 | $751.6K | 0.00% | −1,042,185−98.2% | Reduced |
| Voya Investment Management LLC | 20,223 | $797.8K | 0.00% | +11,062+120.8% | Added |
| Susquehanna International Group, LLP | 20,243 | $798.6K | 0.00% | −100,363−83.2% | Reduced |
| Grantham, Mayo, Van Otterloo & Co. LLC | 20,287 | $800.3K | 0.00% | +1,686+9.1% | Added |
| CWM, LLC | 20,603 | $813.0K | 0.00% | −152−0.7% | Reduced |
| Parallax Volatility Advisers, L.P. | 20,937 | $826.0K | 0.03% | −2,881−12.1% | Reduced |
| Fideuram Asset Management (Ireland) dac | 30,975 | $864.4K | 0.07% | +30,975 | New |
| Belpointe Asset Management LLC | 22,396 | $883.5K | 0.03% | −2,876−11.4% | Reduced |
| MML Investors Services, LLC | 22,851 | $901.5K | 0.00% | +217+1.0% | Added |
| State of Tennessee, Treasury Department | 15,757 | $915.8K | 0.00% | +15,757 | New |
| Wealth Enhancement Advisory Services, LLC | 18,358 | $924.8K | 0.00% | +1,067+6.2% | Added |
| Millennium Management LLC | 23,500 | $927.1K | 0.00% | −186,838−88.8% | Reduced |
| Illinois Municipal Retirement Fund | 24,155 | $952.9K | 0.01% | +24,155 | New |
| Louisiana State Employees Retirement System | 24,400 | $962.6K | 0.02% | +24,400 | New |
| Intech Investment Management LLC | 24,667 | $973.1K | 0.01% | +749+3.1% | Added |
| Manufacturers Life Insurance Company, The | 24,956 | $984.5K | 0.00% | −1,935−7.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 25,118 | $990.9K | 0.00% | +254+1.0% | Added |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 26,124 | $1.03M | 0.02% | +4,876+22.9% | Added |
| Jefferies Financial Group Inc. | 26,727 | $1.05M | 0.01% | +26,727 | New |
| Neuberger Berman Group LLC | 27,076 | $1.08M | 0.00% | −603−2.2% | Reduced |
| Advisory Research Inc | 27,324 | $1.08M | 0.14% | +1,389+5.4% | Added |
| Allspring Global Investments Holdings, LLC | 24,392 | $1.09M | 0.00% | −6,934−22.1% | Reduced |
| Illumine Investment Management, LLC | 28,040 | $1.11M | 0.81% | −3,340−10.6% | Reduced |
| Norges Bank | 28,528 | $1.13M | 0.00% | +28,528 | New |
| MetLife Investment Management | 28,640 | $1.13M | 0.01% | −2,037−6.6% | Reduced |
| Oakum Bay Capital LLC | 28,798 | $1.14M | 0.59% | +28,798 | New |
| State of Alaska, Department of Revenue | 28,980 | $1.14M | 0.01% | +3,124+12.1% | Added |
| Nomura Asset Management International Inc. | 29,400 | $1.16M | 0.00% | +29,400 | New |
| FirstWave Capital Management LLC | 29,491 | $1.16M | 0.69% | +29,491 | New |
| James Investment Research Inc | 29,612 | $1.17M | 0.13% | +9,101+44.4% | Added |
| D. E. Shaw & Co., Inc. | 30,839 | $1.22M | 0.00% | −82,745−72.8% | Reduced |
| Teacher Retirement System of Texas | 34,144 | $1.35M | 0.00% | −14,475−29.8% | Reduced |
| New York State Teachers Retirement System | 34,751 | $1.37M | 0.00% | +23,616+212.1% | Added |
| Diametric Capital, LP | 35,029 | $1.38M | 0.37% | +27,423+360.5% | Added |
| UBS Oconnor LLC | 35,958 | $1.42M | 0.04% | −43,438−54.7% | Reduced |
| Thrivent Financial for Lutherans | 36,604 | $1.44M | 0.00% | −1,380−3.6% | Reduced |
| NorthCrest Asset Manangement, LLC | 33,580 | $1.51M | 0.03% | +100.0% | Added |
| Raymond James Financial Inc | 40,231 | $1.59M | 0.00% | −2,712−6.3% | Reduced |
| Colony Group, LLC | 42,398 | $1.67M | 0.00% | +42,398 | New |
| Citigroup Inc | 43,752 | $1.73M | 0.00% | +19,522+80.6% | Added |
| Great West Life Assurance Co | 45,036 | $1.78M | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 47,349 | $1.87M | 0.00% | +1,981+4.4% | Added |
| California State Teachers Retirement System | 47,671 | $1.88M | 0.00% | −44−0.1% | Reduced |
| Weiss Asset Management LP | 49,170 | $1.94M | 0.03% | +49,170 | New |
| Prudential Financial Inc | 49,285 | $1.94M | 0.00% | −3,460−6.6% | Reduced |
| Capelight Capital Asset Management LP | 50,000 | $1.97M | 1.95% | +50,000 | New |
| Gilder Gagnon Howe & Co LLC | 50,368 | $1.99M | 0.02% | +10.0% | Added |
| CWM Advisors, LLC | 53,932 | $2.13M | 0.19% | +24,436+82.8% | Added |
| Massar Capital Management, LP | 54,135 | $2.14M | 0.42% | +54,135 | New |
| Guggenheim Capital LLC | 54,571 | $2.15M | 0.02% | +41,544+318.9% | Added |
| Quantinno Capital Management LP | 55,306 | $2.18M | 0.00% | +55,306 | New |
| Alliancebernstein L.P. | 57,015 | $2.25M | 0.00% | +7,048+14.1% | Added |
| Mackenzie Financial Corp | 56,681 | $2.27M | 0.00% | +2,344+4.3% | Added |
| SEI Investments Co | 58,445 | $2.31M | 0.00% | +36,359+164.6% | Added |
| Yong Rong (HK) Asset Management Ltd | 60,000 | $2.37M | 0.72% | +60,000 | New |