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 |
|---|---|---|---|---|---|
| Hussman Strategic Advisors, Inc. | 63,000 | $2.49M | 0.60% | +10,500+20.0% | Added |
| State Board of Administration of Florida Retirement System | 64,027 | $2.53M | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 66,474 | $2.62M | 0.04% | +7,680+13.1% | Added |
| Verition Fund Management LLC | 66,652 | $2.63M | 0.01% | +49,252+283.1% | Added |
| Inspire Advisors, LLC | 71,067 | $2.80M | 0.26% | +71,067 | New |
| Deutsche Bank AG | 73,504 | $2.90M | 0.00% | −96,570−56.8% | Reduced |
| Centiva Capital, LP | 81,967 | $3.23M | 0.20% | +81,967 | New |
| Wells Fargo & Company | 83,557 | $3.30M | 0.00% | +17,309+26.1% | Added |
| Bessemer Group Inc | 83,741 | $3.30M | 0.01% | +83,616+66,892.8% | Added |
| Kendall Capital Management | 84,221 | $3.32M | 0.70% | +7,450+9.7% | Added |
| Victory Capital Management Inc | 84,771 | $3.34M | 0.00% | −1,901−2.2% | Reduced |
| UBS Asset Management Americas Inc | 85,916 | $3.39M | 0.00% | +13,249+18.2% | Added |
| Walleye Trading LLC | 87,158 | $3.44M | 0.06% | −35,375−28.9% | Reduced |
| HRT Financial LP | 98,340 | $3.88M | 0.01% | +61,961+170.3% | Added |
| Swiss National Bank | 105,000 | $4.14M | 0.00% | +2,400+2.3% | Added |
| MY.Alpha Management HK Advisors Ltd | 105,605 | $4.17M | 2.23% | −254,632−70.7% | Reduced |
| Segall Bryant & Hamill, LLC | 106,555 | $4.20M | 0.06% | −1,425−1.3% | Reduced |
| Barclays PLC | 106,904 | $4.22M | 0.00% | +10,241+10.6% | Added |
| Group One Trading, L.P. | 107,113 | $4.23M | 0.13% | −28,743−21.2% | Reduced |
| Nuveen, LLC | 107,362 | $4.24M | 0.00% | −55,426−34.0% | Reduced |
| LPL Financial LLC | 110,620 | $4.36M | 0.00% | +17,430+18.7% | Added |
| Simplex Trading, LLC | 110,952 | $4.38M | 0.12% | +35,934+47.9% | Added |
| Dodge & Cox | 112,392 | $4.43M | 0.00% | −10,500−8.5% | Reduced |
| BNP Paribas Arbitrage, SA | 113,530 | $4.48M | 0.00% | +15,273+15.5% | Added |
| Boothbay Fund Management, LLC | 119,094 | $4.70M | 0.12% | −76,026−39.0% | Reduced |
| Renaissance Technologies LLC | 124,439 | $4.91M | 0.01% | −175,486−58.5% | Reduced |
| Legal & General Group Plc | 134,022 | $5.29M | 0.00% | −4,271−3.1% | Reduced |
| RPg Family Wealth Advisory, LLC | 134,920 | $5.32M | 1.17% | −21,750−13.9% | Reduced |
| Rhumbline Advisers | 138,148 | $5.45M | 0.00% | −9,646−6.5% | Reduced |
| Kennedy Capital Management, Inc. | 139,885 | $5.52M | 0.12% | +139,885 | New |
| Citadel Advisors LLC | 143,022 | $5.64M | 0.00% | −251,947−63.8% | Reduced |
| Qube Research & Technologies Ltd | 146,059 | $5.76M | 0.01% | +146,059 | New |
| American Century Companies Inc | 151,986 | $6.00M | 0.00% | +1,464+1.0% | Added |
| Russell Investments Group, Ltd. | 164,308 | $6.48M | 0.01% | +53,207+47.9% | Added |
| Yiheng Capital Management, L.P. | 174,447 | $6.88M | 3.00% | −105,754−37.7% | Reduced |
| Toroso Investments, LLC | 180,976 | $7.14M | 0.03% | +105,063+138.4% | Added |
| Public Sector Pension Investment Board | 184,345 | $7.27M | 0.02% | −20,770−10.1% | Reduced |
| Matthews International Capital Management LLC | 187,250 | $7.39M | 2.24% | −16,261−8.0% | Reduced |
| Thompson Siegel & Walmsley LLC | 188,500 | $7.44M | 0.13% | +78,800+71.8% | Added |
| JPMorgan Chase & Co | 198,692 | $7.84M | 0.00% | +170,004+592.6% | Added |
| First Trust Advisors LP | 215,323 | $8.49M | 0.01% | +139,080+182.4% | Added |
| SG Americas Securities, LLC | 229,481 | $9.05M | 0.01% | +206,844+913.7% | Added |
| Dimensional Fund Advisors LP | 233,741 | $9.22M | 0.00% | +233,741 | New |
| Oasis Management Co Ltd. | 233,988 | $9.23M | 1.21% | 00.0% | Unchanged |
| Kerrisdale Advisers, LLC | 263,482 | $10.4M | 4.90% | +86,901+49.2% | Added |
| Cerity Partners LLC | 268,337 | $10.6M | 0.02% | +230,594+611.0% | Added |
| Portolan Capital Management, LLC | 285,506 | $11.3M | 0.60% | −120,354−29.7% | Reduced |
| Congress Asset Management Co | 289,449 | $11.4M | 0.08% | +7,526+2.7% | Added |
| Discovery Capital Management, LLC | 296,200 | $11.7M | 0.63% | +229,600+344.7% | Added |
| Bank of America Corp | 301,712 | $11.9M | 0.00% | +115,878+62.4% | Added |
| New York State Common Retirement Fund | 303,543 | $12.0M | 0.02% | +287,730+1,819.6% | Added |
| Ameriprise Financial Inc | 313,167 | $12.4M | 0.00% | −3,337−1.1% | Reduced |
| Bank of New York Mellon Corp | 324,940 | $12.8M | 0.00% | −41,274−11.3% | Reduced |
| Wexford Capital LP | 335,003 | $13.2M | 3.40% | +149,061+80.2% | Added |
| AQR Capital Management LLC | 343,603 | $13.6M | 0.01% | −13,138−3.7% | Reduced |
| Nearwater Capital Markets, Ltd | 350,800 | $13.8M | 0.24% | +350,800 | New |
| Goldman Sachs Group Inc | 361,588 | $14.3M | 0.00% | −311,653−46.3% | Reduced |
| Principal Financial Group Inc | 383,129 | $15.1M | 0.01% | +46,136+13.7% | Added |
| Penn Capital Management Co Inc | 435,843 | $17.2M | 1.37% | +435,843 | New |
| Raiffeisen Bank International AG | 435,000 | $17.5M | 0.23% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 478,333 | $18.9M | 0.00% | +41,175+9.4% | Added |
| Steamboat Capital Partners, LLC | 504,161 | $19.9M | 5.46% | −20,839−4.0% | Reduced |
| UBS Group AG | 510,315 | $20.1M | 0.00% | −78,225−13.3% | Reduced |
| Northern Trust Corp | 544,059 | $21.5M | 0.00% | −43,049−7.3% | Reduced |
| Broad Bay Capital Management, LP | 652,214 | $25.7M | 2.94% | −360,200−35.6% | Reduced |
| Cederberg Capital Ltd | 693,900 | $27.4M | 8.89% | +197,400+39.8% | Added |
| Tekne Capital Management, LLC | 715,000 | $28.2M | 10.07% | +715,000 | New |
| FMR LLC | 803,666 | $31.7M | 0.00% | +555,495+223.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 829,127 | $32.7M | 0.08% | −530,842−39.0% | Reduced |
| Janus Henderson Group PLC | 1,082,982 | $42.7M | 0.02% | +1,011,088+1,406.4% | Added |
| Invesco Ltd. | 1,342,136 | $52.9M | 0.00% | +1,095,634+444.5% | Added |
| Geode Capital Management, LLC | 1,342,899 | $53.0M | 0.00% | +19,397+1.5% | Added |
| Morgan Stanley | 1,392,306 | $54.9M | 0.00% | +515,340+58.8% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 1,680,181 | $66.3M | 2.95% | +194,494+13.1% | Added |
| Triata Capital Ltd | 1,929,919 | $76.1M | 9.23% | −73,306−3.7% | Reduced |
| State Street Corp | 1,958,041 | $77.2M | 0.00% | −32,213−1.6% | Reduced |
| LSV Asset Management | 2,380,521 | $93.9M | 0.20% | −123,784−4.9% | Reduced |
| Vanguard Group Inc | 4,972,103 | $196.1M | 0.00% | +125,690+2.6% | Added |
| BlackRock, Inc. | 7,888,480 | $311.2M | 0.01% | +300,941+4.0% | Added |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −194,338−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −175,317−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −113,530−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −74,474−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −51,822−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −47,411−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −35,805−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −35,400−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −33,245−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −24,096−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −20,542−100.0% | Sold out |
| RBF Capital, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −18,100−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −15,797−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −14,249−100.0% | Sold out |
| Eschler Asset Management LLP | 0 | $0 | 0.00% | −13,904−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −13,543−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −11,423−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −11,242−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −10,869−100.0% | Sold out |
| Cornerstone Investment Partners, LLC | 0 | $0 | 0.00% | −10,170−100.0% | Sold out |