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, Q2 2025
Institutional positions in ACM Research, Inc. as of Jun 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
- 243
- +3 vs. Q1 2025
- Shares held
- 37.4M
- +1.67M (+4.7%) vs. Q1 2025
- Total value
- $969.2M
- +$134.2M (+16.1%) vs. Q1 2025
- New holders
- 55
- 85 more added
- Sold out
- 52
- 68 more reduced
4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 204,024 | $5.28M | 0.00% | −249,117−55.0% | Reduced |
| HRT Financial LP | 205,708 | $5.33M | 0.02% | +205,708 | New |
| Matthews International Capital Management LLC | 221,295 | $5.73M | 1.32% | −26,931−10.8% | Reduced |
| Bank of New York Mellon Corp | 224,144 | $5.81M | 0.00% | +10,127+4.7% | Added |
| Marshall Wace, LLP | 234,207 | $6.07M | 0.01% | +196,873+527.3% | Added |
| Algert Global LLC | 236,562 | $6.13M | 0.13% | +109,255+85.8% | Added |
| Citigroup Inc | 238,017 | $6.16M | 0.00% | −104,802−30.6% | Reduced |
| Deutsche Bank AG | 238,750 | $6.18M | 0.00% | −12,395−4.9% | Reduced |
| Tudor Investment Corp Et Al | 240,742 | $6.24M | 0.05% | −46,365−16.1% | Reduced |
| Bank of America Corp | 242,078 | $6.27M | 0.00% | −46,797−16.2% | Reduced |
| Oberweis Asset Management Inc | 246,960 | $6.40M | 0.28% | −49,988−16.8% | Reduced |
| Susquehanna International Group, LLP | 250,374 | $6.48M | 0.01% | −194,381−43.7% | Reduced |
| Point72 Asset Management, L.P. | 252,270 | $6.53M | 0.02% | −681,831−73.0% | Reduced |
| Jane Street Group, LLC | 260,020 | $6.73M | 0.01% | −216,069−45.4% | Reduced |
| Ruffer LLP | 264,706 | $6.86M | 0.30% | +264,706 | New |
| Osterweis Capital Management Inc | 266,426 | $6.90M | 0.33% | +56,865+27.1% | Added |
| Yiheng Capital Management, L.P. | 280,201 | $7.26M | 2.63% | 00.0% | Unchanged |
| Kerrisdale Advisers, LLC | 286,497 | $7.42M | 3.87% | +72,100+33.6% | Added |
| Qube Research & Technologies Ltd | 365,291 | $9.46M | 0.01% | +248,093+211.7% | Added |
| Oasis Management Co Ltd. | 376,761 | $9.76M | 2.32% | +23,052+6.5% | Added |
| UBS Group AG | 387,410 | $10.0M | 0.00% | +156,094+67.5% | Added |
| Charles Schwab Investment Management Inc | 410,584 | $10.6M | 0.00% | +8,421+2.1% | Added |
| AQR Capital Management LLC | 413,371 | $10.7M | 0.01% | +169,552+69.5% | Added |
| Raiffeisen Bank International AG | 435,000 | $11.3M | 0.17% | −65,000−13.0% | Reduced |
| LSV Asset Management | 444,900 | $11.5M | 0.03% | +444,900 | New |
| Millennium Management LLC | 518,349 | $13.4M | 0.01% | +478,072+1,187.0% | Added |
| UBS Asset Management Americas Inc | 541,737 | $14.0M | 0.00% | −174,823−24.4% | Reduced |
| Morgan Stanley | 551,780 | $14.3M | 0.00% | +77,044+16.2% | Added |
| Northern Trust Corp | 563,027 | $14.6M | 0.00% | +50,701+9.9% | Added |
| Steamboat Capital Partners, LLC | 579,975 | $15.0M | 4.28% | +104,975+22.1% | Added |
| Nuveen, LLC | 714,311 | $18.5M | 0.01% | +577,129+420.7% | Added |
| Goldman Sachs Group Inc | 773,472 | $20.0M | 0.00% | +397,534+105.7% | Added |
| Invesco Ltd. | 825,989 | $21.4M | 0.00% | −513,113−38.3% | Reduced |
| Broad Bay Capital Management, LP | 978,653 | $25.3M | 3.56% | +73,159+8.1% | Added |
| Pertento Partners LLP | 1,024,632 | $26.5M | 3.00% | 00.0% | Unchanged |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 1,185,744 | $30.7M | 1.55% | +1,185,744 | New |
| Geode Capital Management, LLC | 1,238,031 | $32.1M | 0.00% | +21,366+1.8% | Added |
| State Street Corp | 1,254,699 | $32.5M | 0.00% | +17,376+1.4% | Added |
| Federated Hermes, Inc. | 1,421,688 | $36.8M | 0.07% | +348,936+32.5% | Added |
| Triata Capital Ltd | 1,590,225 | $41.2M | 8.04% | +219,100+16.0% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 2,302,351 | $59.6M | 0.14% | +649,116+39.3% | Added |
| BlackRock, Inc. | 4,106,092 | $106.3M | 0.00% | −106,364−2.5% | Reduced |
| Vanguard Group Inc | 4,296,442 | $111.3M | 0.00% | +241,096+5.9% | Added |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −761,157−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −337,606−100.0% | Sold out |
| Honeycomb Asset Management LP | 0 | $0 | 0.00% | −173,700−100.0% | Sold out |
| Yong Rong (HK) Asset Management Ltd | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −143,429−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −140,924−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −121,480−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −108,550−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −94,496−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −85,967−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −81,890−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −71,702−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −63,000−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −52,804−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −48,878−100.0% | Sold out |
| Sequoia China Equity Partners (Hong Kong) Ltd | 0 | $0 | 0.00% | −43,650−100.0% | Sold out |
| Militia Capital Partners, LP | 0 | $0 | 0.00% | −43,378−100.0% | Sold out |
| Davidson Kempner Capital Management LP | 0 | $0 | 0.00% | −42,353−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −32,616−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −34,800−100.0% | Sold out |
| Diker Management LLC | 0 | $0 | 0.00% | −31,897−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −30,958−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −30,276−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −28,327−100.0% | Sold out |
| CWM Advisors, LLC | 0 | $0 | 0.00% | −28,080−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −25,228−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −24,204−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −18,507−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −14,100−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −13,811−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −13,433−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −12,334−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −12,061−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −11,427−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −11,032−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −10,744−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −10,724−100.0% | Sold out |
| New England Research & Management, Inc. | 0 | $0 | 0.00% | −9,550−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −9,474−100.0% | Sold out |
| Hennessy Advisors Inc | 0 | $0 | 0.00% | −8,602−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −4,880−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Halbert Hargrove Global Advisors, LLC | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −513−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −326−100.0% | Sold out |
| Blue Bell Private Wealth Management, LLC | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Decker Retirement Planning Inc. | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| North Star Investment Management Corp. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Pinpoint Asset Management Ltd | – | – | – | – | Not filed |
| Orion Portfolio Solutions, LLC | – | – | – | – | Not filed |
| Glenmede Trust Co NA | – | – | – | – | Not filed |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |