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 |
|---|---|---|---|---|---|
| Nemes Rush Group LLC | 1,500 | $190.3K | 0.02% | +500+50.0% | Added |
| Twin Tree Management, LP | 1,467 | $186.1K | 0.03% | +1,467 | New |
| GAMMA Investing LLC | 1,440 | $182.7K | 0.01% | +182+14.5% | Added |
| Nykredit A/S | 1,365 | $173.2K | 0.00% | +1,365 | New |
| Hantz Financial Services, Inc. | 1,241 | $157.0K | 0.00% | +10+0.8% | Added |
| Harbour Investments, Inc. | 1,157 | $146.8K | 0.00% | +756+188.5% | Added |
| Bank of New Hampshire | 1,062 | $134.8K | 0.03% | +346+48.3% | Added |
| GWM Advisors LLC | 1,045 | $132.6K | 0.00% | −42−3.9% | Reduced |
| JTC Employer Solutions Trusteee Ltd | 1,000 | $127.0K | 0.01% | 00.0% | Unchanged |
| Hollencrest Capital Management | 1,000 | $126.9K | 0.01% | +1,000 | New |
| SBI Securities Co., Ltd. | 846 | $107.3K | 0.00% | −84−9.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 763 | $96.8K | 0.00% | −150−16.4% | Reduced |
| Harbor Investment Advisory, LLC | 738 | $93.6K | 0.01% | +488+195.2% | Added |
| EverSource Wealth Advisors, LLC | 693 | $87.9K | 0.00% | −326−32.0% | Reduced |
| Guardian Partners Inc. | 685 | $86.9K | 0.01% | +685 | New |
| Pinnacle Wealth Planning Services, Inc. | 637 | $80.8K | 0.01% | +188+41.9% | Added |
| Essential Partners LLC | 606 | $76.9K | 0.04% | −2,446−80.1% | Reduced |
| Larson Financial Group LLC | 594 | $75.4K | 0.00% | −5,550−90.3% | Reduced |
| Persistent Asset Partners Ltd | 573 | $72.7K | 0.02% | +573 | New |
| Quantbot Technologies LP | 523 | $66.4K | 0.00% | +523 | New |
| Rockefeller Capital Management L.P. | 473 | $60.0K | 0.00% | +437+1,213.9% | Added |
| IFP Advisors, Inc | 465 | $59.0K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 431 | $54.7K | 0.00% | +346+407.1% | Added |
| Kemnay Advisory Services Inc. | 416 | $52.8K | 0.01% | −7−1.7% | Reduced |
| Bayforest Capital Ltd | 404 | $51.3K | 0.05% | +404 | New |
| Salomon & Ludwin, LLC | 371 | $43.5K | 0.00% | +94+33.9% | Added |
| Allworth Financial LP | 340 | $43.1K | 0.00% | +91+36.5% | Added |
| Huntington National Bank | 301 | $38.2K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 262 | $33.0K | 0.00% | +262 | New |
| Bullock Wealth Management Group | 279 | $32.7K | 0.01% | 00.0% | Unchanged |
| Umb Bank N A | 249 | $31.6K | 0.00% | +93+59.6% | Added |
| Cedar Mountain Advisors, LLC | 230 | $29.2K | 0.01% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 200 | $25.4K | 0.01% | 00.0% | Unchanged |
| Rothschild Investment LLC | 191 | $24.2K | 0.00% | +11+6.1% | Added |
| Sterling Capital Management LLC | 189 | $24.0K | 0.00% | −1,514−88.9% | Reduced |
| Parallel Advisors, LLC | 170 | $21.6K | 0.00% | −25−12.8% | Reduced |
| Ramsey Quantitative Systems | 170 | $21.6K | 0.02% | +170 | New |
| Los Angeles Capital Management LLC | 161 | $20.4K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 131 | $16.6K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 135 | $16.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 103 | $13.1K | 0.00% | −57−35.6% | Reduced |
| Golden State Wealth Management, LLC | 100 | $12.7K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 99 | $12.6K | 0.00% | +10+11.2% | Added |
| Massmutual Trust Co FSB | 91 | $11.5K | 0.00% | +4+4.6% | Added |
| Silver Grove Financial Group, Inc. | 77 | $9.77K | 0.01% | +77 | New |
| True Wealth Design, LLC | 70 | $8.88K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 69 | $8.76K | 0.01% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 63 | $8.00K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 63 | $7.99K | 0.00% | +35+125.0% | Added |
| WealthCollab, LLC | 51 | $6.47K | 0.00% | 00.0% | Unchanged |
| Salem Investment Counselors Inc | 50 | $6.34K | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 47 | $5.96K | 0.00% | +8+20.5% | Added |
| Kilter Group LLC | 46 | $5.84K | 0.00% | +12+35.3% | Added |
| Whittier Trust Co | 50 | $4.93K | 0.00% | 00.0% | Unchanged |
| Owl Creek Wealth Partners LLC | 35 | $4.44K | 0.00% | 00.0% | Unchanged |
| Barrow Hanley Mewhinney & Strauss LLC | 30 | $3.81K | 0.00% | +30 | New |
| US Bancorp | 27 | $3.43K | 0.00% | −43−61.4% | Reduced |
| Farmers & Merchants Investments Inc | 25 | $3.17K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 11 | $2.00K | 0.00% | +8+266.7% | Added |
| Westside Investment Management, Inc. | 13 | $1.65K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 12 | $1.52K | 0.00% | +12 | New |
| Quarry LP | 11 | $1.40K | 0.00% | +11 | New |
| Stone House Investment Management, LLC | 9 | $1.14K | 0.00% | +4+80.0% | Added |
| Gilpin Wealth Management, LLC | 6 | $762 | 0.00% | −3−33.3% | Reduced |
| Fortitude Family Office, LLC | 6 | $761 | 0.00% | 00.0% | Unchanged |
| Ankerstar Wealth, LLC | 5 | $634 | 0.00% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 5 | $634 | 0.00% | +5 | New |
| DecisionPoint Financial, LLC | 5 | $586 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 3 | $381 | 0.00% | −2−40.0% | Reduced |
| Clearstead Advisors, LLC | 3 | $381 | 0.00% | +3 | New |
| Private Trust Co NA | 3 | $381 | 0.00% | +3 | New |
| Davis Capital Management | 3 | $381 | 0.00% | +3 | New |
| Meramec Financial Planners, LLC | 2 | $160 | 0.00% | 00.0% | Unchanged |
| GHP Investment Advisors, Inc. | 1 | $127 | 0.00% | 00.0% | Unchanged |
| Pinpoint Asset Management (Singapore) Pte. Ltd. | 1 | $127 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 1 | $127 | 0.00% | +1 | New |
| Evolution Advisers, Inc. | 2 | $0 | 0.00% | +2 | New |
| Oxbow Capital Management (HK) Ltd | 0 | $0 | 0.00% | −596,689−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −129,328−100.0% | Sold out |
| Nearwater Capital Markets, Ltd | 0 | $0 | 0.00% | −94,200−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −87,964−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −76,212−100.0% | Sold out |
| Hussman Strategic Advisors, Inc. | 0 | $0 | 0.00% | −63,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −47,076−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −38,194−100.0% | Sold out |
| Capelight Capital Asset Management LP | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −26,759−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −26,055−100.0% | Sold out |
| Gordian Capital Singapore Pte Ltd | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −20,241−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −19,499−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −18,303−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −17,105−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −14,182−100.0% | Sold out |
| Vontobel Holding Ltd. | 0 | $0 | 0.00% | −14,143−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −10,146−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −10,073−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −7,773−100.0% | Sold out |
| Beacon Pointe Advisors, LLC | 0 | $0 | 0.00% | −7,666−100.0% | Sold out |
| Pekin Hardy Strauss, Inc. | 0 | $0 | 0.00% | −7,500−100.0% | Sold out |