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 2023
Institutional positions in ACM Research, Inc. as of Sep 30, 2023. 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
- 154
- +32 vs. Q2 2023
- Shares held
- 31.1M
- +1.82M (+6.2%) vs. Q2 2023
- Total value
- $562.8M
- +$180.1M (+47.1%) vs. Q2 2023
- New holders
- 47
- 49 more added
- Sold out
- 15
- 36 more reduced
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| PDT Partners, LLC | 78,960 | $1.43M | 0.18% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 83,802 | $1.52M | 0.00% | +1,077+1.3% | Added |
| Rice Hall James & Associates, LLC | 84,169 | $1.52M | 0.10% | +84,169 | New |
| Barclays PLC | 84,466 | $1.53M | 0.00% | −1,482−1.7% | Reduced |
| SEI Investments Co | 85,601 | $1.55M | 0.00% | +47,536+124.9% | Added |
| BNP Paribas Arbitrage, SA | 86,396 | $1.56M | 0.00% | +64,268+290.4% | Added |
| Swiss National Bank | 96,400 | $1.75M | 0.00% | −4,700−4.6% | Reduced |
| Dark Forest Capital Management LP | 102,489 | $1.86M | 0.16% | +88,074+611.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 106,000 | $1.92M | 0.01% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 107,486 | $1.95M | 0.01% | −44,001−29.0% | Reduced |
| Algert Global LLC | 117,097 | $2.12M | 0.10% | −256,195−68.6% | Reduced |
| First Trust Advisors LP | 123,944 | $2.24M | 0.00% | +123,944 | New |
| Cubist Systematic Strategies, LLC | 125,974 | $2.28M | 0.03% | +125,974 | New |
| EAM Investors, LLC | 147,188 | $2.66M | 0.51% | +147,188 | New |
| Yong Rong (HK) Asset Management Ltd | 150,000 | $2.72M | 2.51% | +150,000 | New |
| Citadel Advisors LLC | 150,591 | $2.73M | 0.00% | −157,536−51.1% | Reduced |
| D. E. Shaw & Co., Inc. | 158,321 | $2.87M | 0.00% | −77,552−32.9% | Reduced |
| Acadian Asset Management LLC | 163,103 | $2.95M | 0.01% | −27,086−14.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 165,998 | $3.01M | 0.01% | −46,272−21.8% | Reduced |
| Swedbank AB | 170,000 | $3.08M | 0.01% | +170,000 | New |
| Penserra Capital Management LLC | 179,733 | $3.25M | 0.07% | +179,733 | New |
| Marshall Wace, LLP | 183,996 | $3.33M | 0.01% | +171,989+1,432.4% | Added |
| Bank of New York Mellon Corp | 190,205 | $3.44M | 0.00% | +29,360+18.3% | Added |
| Pacific Ridge Capital Partners, LLC | 196,976 | $3.57M | 0.83% | +74,493+60.8% | Added |
| EAM Global Investors LLC | 197,844 | $3.58M | 0.97% | +197,844 | New |
| Russell Investments Group, Ltd. | 204,557 | $3.70M | 0.01% | +189,861+1,291.9% | Added |
| Fuller & Thaler Asset Management, Inc. | 218,200 | $3.95M | 0.02% | −9,160−4.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 286,424 | $5.19M | 0.01% | +262,235+1,084.1% | Added |
| AQR Capital Management LLC | 287,689 | $5.21M | 0.01% | −167,729−36.8% | Reduced |
| Panview Asian Equity Master Fund | 290,000 | $5.25M | 7.89% | +290,000 | New |
| Nuveen Asset Management, LLC | 328,080 | $5.94M | 0.00% | +110,593+50.9% | Added |
| Oberweis Asset Management Inc | 341,800 | $6.19M | 0.66% | +56,200+19.7% | Added |
| Charles Schwab Investment Management Inc | 356,683 | $6.46M | 0.00% | +30,424+9.3% | Added |
| Credit Suisse AG | 423,018 | $7.66M | 0.01% | +355,776+529.1% | Added |
| Point72 Hong Kong Ltd | 426,267 | $7.72M | 2.15% | +64,999+18.0% | Added |
| Northern Trust Corp | 476,881 | $8.63M | 0.00% | +9,607+2.1% | Added |
| Millennium Management LLC | 491,920 | $8.91M | 0.01% | −280,669−36.3% | Reduced |
| Yiheng Capital Management, L.P. | 512,700 | $9.28M | 0.84% | 00.0% | Unchanged |
| UBS Group AG | 525,322 | $9.51M | 0.00% | +19,871+3.9% | Added |
| Osterweis Capital Management Inc | 562,986 | $10.2M | 0.75% | +71,900+14.6% | Added |
| Oasis Management Co Ltd. | 587,405 | $10.6M | 2.86% | −245,923−29.5% | Reduced |
| Morgan Stanley | 591,086 | $10.7M | 0.00% | +364,428+160.8% | Added |
| Voloridge Investment Management, LLC | 682,483 | $12.4M | 0.06% | +508,118+291.4% | Added |
| Goldman Sachs Group Inc | 702,911 | $12.7M | 0.00% | +25,097+3.7% | Added |
| Matthews International Capital Management LLC | 746,101 | $13.5M | 1.63% | −25,076−3.3% | Reduced |
| Ariose Capital Management Ltd | 750,832 | $13.6M | 7.69% | +69,609+10.2% | Added |
| State Street Corp | 984,203 | $17.8M | 0.00% | +33,101+3.5% | Added |
| Geode Capital Management, LLC | 985,474 | $17.8M | 0.00% | +66,436+7.2% | Added |
| JPMorgan Chase & Co | 1,073,201 | $19.4M | 0.00% | −127,259−10.6% | Reduced |
| Pertento Partners LLP | 1,195,464 | $21.6M | 4.83% | +39,207+3.4% | Added |
| Citigroup Inc | 1,765,623 | $32.0M | 0.05% | −13,009−0.7% | Reduced |
| Bank of America Corp | 2,080,149 | $37.7M | 0.00% | −120,291−5.5% | Reduced |
| BlackRock Inc. | 3,456,607 | $62.6M | 0.00% | +27,156+0.8% | Added |
| Vanguard Group Inc | 4,082,835 | $73.9M | 0.00% | +399,854+10.9% | Added |
| Hotchkis & Wiley Capital Management LLC | 0 | $0 | 0.00% | −911,210−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −84,097−100.0% | Sold out |
| Fund 1 Investments, LLC | 0 | $0 | 0.00% | −81,967−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −74,500−100.0% | Sold out |
| QVT Financial LP | 0 | $0 | 0.00% | −70,119−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −43,269−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −41,623−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −40,633−100.0% | Sold out |
| Westwood Holdings Group Inc. | 0 | $0 | 0.00% | −37,849−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −23,150−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −18,793−100.0% | Sold out |
| Ausdal Financial Partners, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −4,073−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −312−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −66−100.0% | Sold out |