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 2026
Institutional positions in ACM Research, Inc. as of Jun 30, 2026. 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
- 377
- +81 vs. Q1 2026
- Shares held
- 48.5M
- +5.22M (+12.1%) vs. Q1 2026
- Total value
- $6.11B
- +$4.41B (+259.7%) vs. Q1 2026
- New holders
- 120
- 126 more added
- Sold out
- 39
- 93 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 11,604 | $1.47M | 0.00% | +7,486+181.8% | Added |
| Essex Investment Management Co LLC | 11,770 | $1.49M | 0.20% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 11,900 | $1.51M | 0.00% | 00.0% | Unchanged |
| LSV Asset Management | 12,100 | $1.53M | 0.00% | −533,207−97.8% | Reduced |
| Jain Global LLC | 12,106 | $1.54M | 0.02% | +12,106 | New |
| XTX Topco Ltd | 12,528 | $1.59M | 0.02% | −43,938−77.8% | Reduced |
| Cim, LLC | 12,528 | $1.59M | 0.21% | −2,221−15.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,710 | $1.61M | 0.00% | −10,815−46.0% | Reduced |
| Oregon Public Employees Retirement Fund | 12,977 | $1.65M | 0.02% | +800+6.6% | Added |
| Oberweis Asset Management Inc | 13,000 | $1.65M | 0.03% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 13,145 | $1.67M | 0.01% | 00.0% | Unchanged |
| South Dakota Investment Council | 13,185 | $1.67M | 0.03% | +13,185 | New |
| Kornitzer Capital Management Inc | 13,216 | $1.68M | 0.04% | +13,216 | New |
| FACT Capital, LP | 13,217 | $1.68M | 0.94% | +13,217 | New |
| Yorktown Management & Research Co Inc | 13,300 | $1.69M | 1.03% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,532 | $1.72M | 0.01% | +358+2.7% | Added |
| Vanguard Investments Australia, Ltd. | 13,657 | $1.73M | 0.00% | +847+6.6% | Added |
| Summit Global Investments | 13,762 | $1.75M | 0.10% | +5,170+60.2% | Added |
| SPX Equities Gestao de Recursos Ltda | 13,815 | $1.75M | 0.20% | +13,815 | New |
| Beacon Financial Advisory LLC | 13,850 | $1.76M | 0.35% | −205−1.5% | Reduced |
| Cornerstone Investment Partners, LLC | 14,049 | $1.78M | 0.06% | +7,658+119.8% | Added |
| Allspring Global Investments Holdings, LLC | 15,351 | $1.80M | 0.00% | +536+3.6% | Added |
| Arizona State Retirement System | 14,238 | $1.81M | 0.01% | −558−3.8% | Reduced |
| Spire Wealth Management | 14,664 | $1.86M | 0.06% | −1,632−10.0% | Reduced |
| Yousif Capital Management, LLC | 15,020 | $1.91M | 0.02% | +868+6.1% | Added |
| Amalgamated Bank | 15,243 | $1.93M | 0.01% | −10−0.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,910 | $2.02M | 0.02% | +1,936+13.9% | Added |
| STRS Ohio | 16,400 | $2.08M | 0.01% | +900+5.8% | Added |
| Capstone Capital Management Ltd | 16,643 | $2.11M | 0.94% | +16,643 | New |
| Victory Capital Management Inc | 16,666 | $2.11M | 0.00% | −43,452−72.3% | Reduced |
| State of New Jersey Common Pension Fund D | 16,684 | $2.12M | 0.01% | −17,730−51.5% | Reduced |
| Aquatic Capital Management LLC | 16,800 | $2.13M | 0.07% | +16,800 | New |
| Diametric Capital, LP | 16,808 | $2.13M | 0.23% | +8,253+96.5% | Added |
| Virtu Financial LLC | 17,170 | $2.18M | 0.07% | −74−0.4% | Reduced |
| Voleon Capital Management LP | 17,625 | $2.24M | 0.04% | +17,625 | New |
| Longaeva Partners L.P. | 17,732 | $2.25M | 0.06% | −690,647−97.5% | Reduced |
| Creative Planning | 17,921 | $2.27M | 0.00% | +5,464+43.9% | Added |
| Raymond James Financial Inc | 18,506 | $2.35M | 0.00% | −3,694−16.6% | Reduced |
| Credit Agricole S A | 19,000 | $2.41M | 0.01% | +19,000 | New |
| Odyssean, LLC | 19,180 | $2.43M | 0.40% | +4,043+26.7% | Added |
| State of Tennessee, Treasury Department | 19,203 | $2.44M | 0.01% | +3,446+21.9% | Added |
| Wealth Enhancement Advisory Services, LLC | 51,899 | $2.46M | 0.00% | −7,275−12.3% | Reduced |
| Capital Fund Management S.A. | 20,437 | $2.59M | 0.02% | +20,437 | New |
| State of Alaska, Department of Revenue | 20,649 | $2.62M | 0.03% | −7,504−26.7% | Reduced |
| Handelsbanken Fonder AB | 20,900 | $2.65M | 0.01% | +5,000+31.4% | Added |
| Acadian Asset Management LLC | 21,206 | $2.68M | 0.00% | −24,294−53.4% | Reduced |
| State of Wisconsin Investment Board | 22,193 | $2.82M | 0.01% | −12,507−36.0% | Reduced |
| Algert Global LLC | 22,630 | $2.87M | 0.03% | +22,630 | New |
| NorthCrest Asset Manangement, LLC | 27,216 | $2.89M | 0.07% | −6,186−18.5% | Reduced |
| Brinker Capital Investments, LLC | 22,891 | $2.90M | 0.02% | +7,835+52.0% | Added |
| Alliancebernstein L.P. | 74,338 | $2.93M | 0.00% | +16,295+28.1% | Added |
| Fifth Third Bancorp | 23,063 | $2.93M | 0.00% | +11,649+102.1% | Added |
| Illumine Investment Management, LLC | 0 | $2.97M | 1.94% | −21,916−100.0% | Reduced |
| MML Investors Services, LLC | 24,742 | $3.14M | 0.01% | +2,675+12.1% | Added |
| Louisiana State Employees Retirement System | 25,000 | $3.17M | 0.05% | +1,400+5.9% | Added |
| Vanguard Global Advisers, LLC | 26,407 | $3.35M | 0.00% | +524+2.0% | Added |
| Ieq Capital, LLC | 26,408 | $3.35M | 0.02% | +19,587+287.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 27,231 | $3.46M | 0.00% | +1,313+5.1% | Added |
| New York State Teachers Retirement System | 28,382 | $3.60M | 0.01% | −5,358−15.9% | Reduced |
| Cypress Capital Group | 28,425 | $3.61M | 0.34% | +12,605+79.7% | Added |
| Kennedy Capital Management, Inc. | 28,507 | $3.62M | 0.06% | −74,949−72.4% | Reduced |
| Norges Bank | 28,528 | $3.62M | 0.00% | +28,528 | New |
| Manufacturers Life Insurance Company, The | 28,634 | $3.63M | 0.00% | +3,849+15.5% | Added |
| Advisory Research Inc | 28,732 | $3.65M | 0.36% | +433+1.5% | Added |
| Advisor Group Holdings, Inc. | 29,243 | $3.71M | 0.00% | +21,961+301.6% | Added |
| James Investment Research Inc | 29,650 | $3.76M | 0.38% | 00.0% | Unchanged |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 30,122 | $3.82M | 0.05% | +30,122 | New |
| Illinois Municipal Retirement Fund | 30,481 | $3.87M | 0.04% | −1,051−3.3% | Reduced |
| Voya Investment Management LLC | 30,807 | $3.91M | 0.00% | +13,855+81.7% | Added |
| MetLife Investment Management | 31,382 | $3.98M | 0.02% | +3,528+12.7% | Added |
| EAM Investors, LLC | 31,875 | $4.04M | 0.36% | −11,999−27.3% | Reduced |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 33,153 | $4.21M | 0.06% | +9,726+41.5% | Added |
| D. E. Shaw & Co., Inc. | 33,500 | $4.25M | 0.00% | +33,500 | New |
| State Board of Administration of Florida Retirement System | 36,055 | $4.58M | 0.01% | −16,488−31.4% | Reduced |
| Thrivent Financial for Lutherans | 37,473 | $4.75M | 0.01% | +1,915+5.4% | Added |
| Guggenheim Capital LLC | 37,530 | $4.76M | 0.03% | +17,568+88.0% | Added |
| Kultura Capital Management LP | 37,725 | $4.79M | 2.20% | +37,725 | New |
| Vanguard Asset Management, Ltd | 38,739 | $4.92M | 0.00% | +2,828+7.9% | Added |
| SEI Investments Co | 40,313 | $5.12M | 0.00% | −44,692−52.6% | Reduced |
| Barclays PLC | 40,321 | $5.12M | 0.00% | −8,873−18.0% | Reduced |
| CenterBook Partners LP | 41,438 | $5.26M | 0.26% | +41,438 | New |
| SG Americas Securities, LLC | 41,603 | $5.28M | 0.00% | +20,252+94.9% | Added |
| Neuberger Berman Group LLC | 44,245 | $5.42M | 0.00% | +18,929+74.8% | Added |
| Colony Group, LLC | 43,904 | $5.57M | 0.01% | +1,645+3.9% | Added |
| Simplex Trading, LLC | 44,316 | $5.62M | 0.15% | +19,852+81.1% | Added |
| Great West Life Assurance Co | 45,391 | $5.75M | 0.01% | +1,965+4.5% | Added |
| Quadrature Capital Ltd | 48,891 | $6.20M | 0.05% | +48,891 | New |
| Quantinno Capital Management LP | 54,218 | $6.88M | 0.01% | +293+0.5% | Added |
| Bessemer Group Inc | 55,961 | $7.10M | 0.01% | +28+0.1% | Added |
| Prudential Financial Inc | 58,505 | $7.42M | 0.01% | +4,405+8.1% | Added |
| Wells Fargo & Company | 58,627 | $7.44M | 0.00% | −145,424−71.3% | Reduced |
| California State Teachers Retirement System | 59,702 | $7.58M | 0.01% | −3,429−5.4% | Reduced |
| Kerrisdale Advisers, LLC | 62,570 | $7.94M | 1.99% | −161,185−72.0% | Reduced |
| CWM Advisors, LLC | 62,959 | $7.99M | 0.33% | +247+0.4% | Added |
| Atika Capital Management LLC | 63,000 | $7.99M | 0.79% | +63,000 | New |
| Lazard Asset Management LLC | 63,784 | $8.09M | 0.01% | +20,750+48.2% | Added |
| Aperture Investors, LLC | 70,569 | $8.95M | 0.95% | +50,085+244.5% | Added |
| Kendall Capital Management | 72,820 | $9.24M | 1.54% | −10,311−12.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 74,778 | $9.49M | 0.01% | +17,630+30.8% | Added |
| Intrinsic Edge Capital Management LLC | 80,000 | $10.2M | 1.25% | 00.0% | Unchanged |