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 |
|---|---|---|---|---|---|
| Evolution Advisers, Inc. | 2 | $0 | 0.00% | +2 | New |
| 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 |
| Meramec Financial Planners, LLC | 2 | $160 | 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 |
| DecisionPoint Financial, LLC | 5 | $586 | 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 |
| Fortitude Family Office, LLC | 6 | $761 | 0.00% | 00.0% | Unchanged |
| Gilpin Wealth Management, LLC | 6 | $762 | 0.00% | −3−33.3% | Reduced |
| Stone House Investment Management, LLC | 9 | $1.14K | 0.00% | +4+80.0% | Added |
| Quarry LP | 11 | $1.40K | 0.00% | +11 | New |
| Rialto Wealth Management, LLC | 12 | $1.52K | 0.00% | +12 | New |
| Westside Investment Management, Inc. | 13 | $1.65K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 11 | $2.00K | 0.00% | +8+266.7% | Added |
| Farmers & Merchants Investments Inc | 25 | $3.17K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 27 | $3.43K | 0.00% | −43−61.4% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 30 | $3.81K | 0.00% | +30 | New |
| Owl Creek Wealth Partners LLC | 35 | $4.44K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 50 | $4.93K | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 46 | $5.84K | 0.00% | +12+35.3% | Added |
| Bare Financial Services, Inc | 47 | $5.96K | 0.00% | +8+20.5% | Added |
| Salem Investment Counselors Inc | 50 | $6.34K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 51 | $6.47K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 63 | $7.99K | 0.00% | +35+125.0% | Added |
| Armstrong Advisory Group, Inc | 63 | $8.00K | 0.00% | 00.0% | Unchanged |
| Cornerstone Financial Management LLC | 69 | $8.76K | 0.01% | 00.0% | Unchanged |
| True Wealth Design, LLC | 70 | $8.88K | 0.00% | 00.0% | Unchanged |
| Silver Grove Financial Group, Inc. | 77 | $9.77K | 0.01% | +77 | New |
| Massmutual Trust Co FSB | 91 | $11.5K | 0.00% | +4+4.6% | Added |
| Parkside Financial Bank & Trust | 99 | $12.6K | 0.00% | +10+11.2% | Added |
| Golden State Wealth Management, LLC | 100 | $12.7K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 103 | $13.1K | 0.00% | −57−35.6% | Reduced |
| Smartleaf Asset Management LLC | 135 | $16.0K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 131 | $16.6K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 161 | $20.4K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 170 | $21.6K | 0.00% | −25−12.8% | Reduced |
| Ramsey Quantitative Systems | 170 | $21.6K | 0.02% | +170 | New |
| Sterling Capital Management LLC | 189 | $24.0K | 0.00% | −1,514−88.9% | Reduced |
| Rothschild Investment LLC | 191 | $24.2K | 0.00% | +11+6.1% | Added |
| Mark Sheptoff Financial Planning, LLC | 200 | $25.4K | 0.01% | 00.0% | Unchanged |
| Cedar Mountain Advisors, LLC | 230 | $29.2K | 0.01% | 00.0% | Unchanged |
| Umb Bank N A | 249 | $31.6K | 0.00% | +93+59.6% | Added |
| Bullock Wealth Management Group | 279 | $32.7K | 0.01% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 262 | $33.0K | 0.00% | +262 | New |
| Huntington National Bank | 301 | $38.2K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 340 | $43.1K | 0.00% | +91+36.5% | Added |
| Salomon & Ludwin, LLC | 371 | $43.5K | 0.00% | +94+33.9% | Added |
| Bayforest Capital Ltd | 404 | $51.3K | 0.05% | +404 | New |
| Kemnay Advisory Services Inc. | 416 | $52.8K | 0.01% | −7−1.7% | Reduced |
| Optiver Holding B.V. | 431 | $54.7K | 0.00% | +346+407.1% | Added |
| IFP Advisors, Inc | 465 | $59.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 473 | $60.0K | 0.00% | +437+1,213.9% | Added |
| Quantbot Technologies LP | 523 | $66.4K | 0.00% | +523 | New |
| Persistent Asset Partners Ltd | 573 | $72.7K | 0.02% | +573 | New |
| Larson Financial Group LLC | 594 | $75.4K | 0.00% | −5,550−90.3% | Reduced |
| Essential Partners LLC | 606 | $76.9K | 0.04% | −2,446−80.1% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 637 | $80.8K | 0.01% | +188+41.9% | Added |
| Guardian Partners Inc. | 685 | $86.9K | 0.01% | +685 | New |
| EverSource Wealth Advisors, LLC | 693 | $87.9K | 0.00% | −326−32.0% | Reduced |
| Harbor Investment Advisory, LLC | 738 | $93.6K | 0.01% | +488+195.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 763 | $96.8K | 0.00% | −150−16.4% | Reduced |
| SBI Securities Co., Ltd. | 846 | $107.3K | 0.00% | −84−9.0% | Reduced |
| Hollencrest Capital Management | 1,000 | $126.9K | 0.01% | +1,000 | New |
| JTC Employer Solutions Trusteee Ltd | 1,000 | $127.0K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 1,045 | $132.6K | 0.00% | −42−3.9% | Reduced |
| Bank of New Hampshire | 1,062 | $134.8K | 0.03% | +346+48.3% | Added |
| Harbour Investments, Inc. | 1,157 | $146.8K | 0.00% | +756+188.5% | Added |
| Hantz Financial Services, Inc. | 1,241 | $157.0K | 0.00% | +10+0.8% | Added |
| Nykredit A/S | 1,365 | $173.2K | 0.00% | +1,365 | New |
| GAMMA Investing LLC | 1,440 | $182.7K | 0.01% | +182+14.5% | Added |
| Twin Tree Management, LP | 1,467 | $186.1K | 0.03% | +1,467 | New |
| Nemes Rush Group LLC | 1,500 | $190.3K | 0.02% | +500+50.0% | Added |
| Keel Point, LLC | 1,633 | $207.2K | 0.01% | +1,633 | New |
| Allegiance Financial Group Advisory Services LLC | 1,637 | $207.7K | 0.04% | +1,637 | New |
| Oppenheimer Asset Management Inc. | 1,640 | $208.1K | 0.00% | +1,640 | New |
| Shelton Capital Management | 1,651 | $209.5K | 0.00% | +1,651 | New |
| Crossmark Global Holdings, Inc. | 1,688 | $214.2K | 0.00% | +1,688 | New |
| KBC Group NV | 1,698 | $215.0K | 0.00% | 00.0% | Unchanged |
| LGT Group Foundation | 1,716 | $217.7K | 0.00% | +1,716 | New |
| AlphaCore Capital LLC | 1,746 | $221.6K | 0.00% | +1,746 | New |
| Empowered Funds, LLC | 1,802 | $228.7K | 0.00% | +1,802 | New |
| CIBC Asset Management Inc | 1,877 | $238.2K | 0.00% | +1,877 | New |
| Steward Partners Investment Advisory, LLC | 1,900 | $241.1K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,903 | $241.5K | 0.00% | −121−6.0% | Reduced |
| Colonial River Wealth Management, LLC | 1,948 | $247.2K | 0.07% | +1,948 | New |
| Key Client Fiduciary Advisors, LLC | 1,985 | $251.9K | 0.07% | +1,985 | New |
| Farther Finance Advisors, LLC | 1,992 | $252.6K | 0.00% | +1,449+266.9% | Added |
| Visionary Wealth Advisors | 2,025 | $257.0K | 0.01% | +2,025 | New |
| Entropy Technologies, LP | 2,068 | $262.4K | 0.01% | +2,068 | New |
| Resona Asset Management Co.,Ltd. | 2,285 | $271.6K | 0.00% | −500−18.0% | Reduced |
| Walleye Capital LLC | 2,167 | $275.0K | 0.00% | +1,296+148.8% | Added |
| Fieldview Capital Management, LLC | 2,167 | $275.0K | 0.08% | +2,167 | New |
| Jones Financial Companies LLLP | 2,676 | $279.6K | 0.00% | +963+56.2% | Added |
| Palouse Capital Management, Inc. | 2,210 | $280.4K | 0.17% | −1,008−31.3% | Reduced |
| Vise Technologies, Inc. | 2,215 | $281.1K | 0.00% | +2,215 | New |