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, Q1 2022
Institutional positions in ACM Research, Inc. as of Mar 31, 2022. 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
- 96
- −4 vs. Q4 2021
- Shares held
- 29.3M
- +3.03M (+11.5%) vs. Q4 2021Converted for a 3-for-1 split
- Total value
- $606.7M
- −$140.7M (−18.8%) vs. Q4 2021
- New holders
- 21
- 31 more added
- Sold out
- 25
- 28 more reduced
Compare with Q4 2021: 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, Q1 2022
Shares, value and share of portfolio for each institution holding ACM Research, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Yiheng Capital Management, L.P. | 4,302,000 | $89.0M | 5.69% | +56,700+1.3% | AddedConverted for a 3-for-1 split |
| Morgan Stanley | 3,783,082 | $78.3M | 0.01% | −111,413−2.9% | ReducedConverted for a 3-for-1 split |
| Green Court Capital Management Ltd | 2,545,725 | $52.7M | 29.68% | +441,876+21.0% | AddedConverted for a 3-for-1 split |
| Vanguard Group Inc | 1,988,544 | $41.1M | 0.00% | +74,808+3.9% | AddedConverted for a 3-for-1 split |
| Indus Capital Partners, LLC | 1,952,174 | $40.4M | 16.44% | +308,108+18.7% | AddedConverted for a 3-for-1 split |
| Bamco Inc | 1,278,283 | $26.4M | 0.07% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Healthcare of Ontario Pension Plan Trust Fund | 1,028,100 | $21.3M | 0.08% | +722,700+236.6% | AddedConverted for a 3-for-1 split |
| Matthews International Capital Management LLC | 881,400 | $18.2M | 2.53% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Chiron Investment Management, LLC | 746,388 | $15.4M | 1.82% | +746,388 | New |
| BlackRock Inc. | 693,370 | $14.3M | 0.00% | −12,452−1.8% | ReducedConverted for a 3-for-1 split |
| HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse) | 670,755 | $13.9M | 0.29% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Norges Bank | 514,800 | $10.7M | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Credit Suisse AG | 506,844 | $10.5M | 0.01% | +207,963+69.6% | AddedConverted for a 3-for-1 split |
| Putnam Investments LLC | 483,696 | $10.0M | 0.02% | +483,696 | New |
| Dimensional Fund Advisors LP | 466,689 | $9.66M | 0.00% | −32,142−6.4% | ReducedConverted for a 3-for-1 split |
| Goldman Sachs Group Inc | 442,981 | $9.17M | 0.00% | −200,066−31.1% | ReducedConverted for a 3-for-1 split |
| Neuberger Berman Group LLC | 429,984 | $8.90M | 0.01% | +365,952+571.5% | AddedConverted for a 3-for-1 split |
| Geode Capital Management, LLC | 397,730 | $8.23M | 0.00% | +20,297+5.4% | AddedConverted for a 3-for-1 split |
| Susquehanna International Group, LLP | 390,629 | $8.08M | 0.01% | +390,629 | New |
| Bank of America Corp | 367,251 | $7.60M | 0.00% | −20,916−5.4% | ReducedConverted for a 3-for-1 split |
| Millennium Management LLC | 349,291 | $7.23M | 0.01% | −185,399−34.7% | ReducedConverted for a 3-for-1 split |
| Group One Trading, L.P. | 332,962 | $6.89M | 0.15% | +332,962 | New |
| Friess Associates LLC | 328,350 | $6.79M | 3.63% | +124,266+60.9% | AddedConverted for a 3-for-1 split |
| State Street Corp | 294,514 | $6.09M | 0.00% | −8,192−2.7% | ReducedConverted for a 3-for-1 split |
| Strategic Vision Investment Ltd | 290,100 | $6.00M | 21.90% | +74,400+34.5% | AddedConverted for a 3-for-1 split |
| Citadel Advisors LLC | 242,973 | $5.03M | 0.01% | −57,021−19.0% | ReducedConverted for a 3-for-1 split |
| Partners Capital Investment Group, LLP | 229,644 | $4.75M | 0.23% | −55,101−19.4% | ReducedConverted for a 3-for-1 split |
| Charles Schwab Investment Management Inc | 183,237 | $3.79M | 0.00% | +3,792+2.1% | AddedConverted for a 3-for-1 split |
| Korea Investment CORP | 180,600 | $3.74M | 0.01% | +180,600 | New |
| Walleye Trading LLC | 158,918 | $3.29M | 0.07% | +150,683+1,829.8% | AddedConverted for a 3-for-1 split |
| Nomura Holdings Inc | 152,493 | $3.17M | 0.02% | −7,200−4.5% | ReducedConverted for a 3-for-1 split |
| UBS Group AG | 152,398 | $3.15M | 0.00% | −195,500−56.2% | ReducedConverted for a 3-for-1 split |
| ExodusPoint Capital Management, LP | 151,750 | $3.14M | 0.05% | +100,939+198.7% | AddedConverted for a 3-for-1 split |
| Royal Bank of Canada | 145,788 | $3.02M | 0.00% | −22,110−13.2% | ReducedConverted for a 3-for-1 split |
| Cubist Systematic Strategies, LLC | 139,659 | $2.89M | 0.02% | +107,280+331.3% | AddedConverted for a 3-for-1 split |
| China Universal Asset Management Co., Ltd. | 132,450 | $2.74M | 0.97% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Northern Trust Corp | 128,730 | $2.66M | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| PEAK6 Investments LLC | 115,402 | $2.39M | 0.07% | +65,629+131.9% | AddedConverted for a 3-for-1 split |
| Mitsubishi UFJ Trust & Banking Corp | 105,663 | $2.19M | 0.01% | −15,876−13.1% | ReducedConverted for a 3-for-1 split |
| Renaissance Technologies LLC | 95,800 | $1.98M | 0.00% | −157,100−62.1% | ReducedConverted for a 3-for-1 split |
| Swiss National Bank | 94,800 | $1.96M | 0.00% | +7,200+8.2% | AddedConverted for a 3-for-1 split |
| Barclays PLC | 92,250 | $1.91M | 0.00% | −21,414−18.8% | ReducedConverted for a 3-for-1 split |
| Calamos Advisors LLC | 91,028 | $1.88M | 0.01% | −5,698−5.9% | ReducedConverted for a 3-for-1 split |
| Russell Investments Group, Ltd. | 82,605 | $1.71M | 0.00% | −1,407−1.7% | ReducedConverted for a 3-for-1 split |
| Simplex Trading, LLC | 81,641 | $1.69M | 0.05% | +77,576+1,908.4% | AddedConverted for a 3-for-1 split |
| Oasis Management Co Ltd. | 70,695 | $1.46M | 0.24% | +70,695 | New |
| QVT Financial LP | 70,119 | $1.45M | 0.06% | 00.0% | UnchangedConverted for a 3-for-1 split |
| LMR Partners LLP | 68,004 | $1.41M | 0.02% | +26,358+63.3% | AddedConverted for a 3-for-1 split |
| Oberweis Asset Management Inc | 64,000 | $1.32M | 0.27% | +64,000 | New |
| Alliancebernstein L.P. | 63,258 | $1.31M | 0.00% | +19,731+45.3% | AddedConverted for a 3-for-1 split |
| BNP Paribas Arbitrage, SA | 52,707 | $1.09M | 0.00% | −23,592−30.9% | ReducedConverted for a 3-for-1 split |
| Algert Global LLC | 49,896 | $1.03M | 0.07% | +38,973+356.8% | AddedConverted for a 3-for-1 split |
| Capital Fund Management S.A. | 47,425 | $981.2K | 0.03% | +47,425 | New |
| Janus Henderson Group PLC | 45,022 | $932.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Wolverine Trading, LLC | 40,230 | $864.0K | 0.03% | +40,230 | New |
| Graham Capital Management, L.P. | 37,251 | $770.0K | 0.03% | +37,251 | New |
| California State Teachers Retirement System | 34,093 | $705.0K | 0.00% | +496+1.5% | AddedConverted for a 3-for-1 split |
| Bank of New York Mellon Corp | 33,000 | $683.0K | 0.00% | +1,335+4.2% | AddedConverted for a 3-for-1 split |
| Money Concepts Capital Corp | 32,919 | $681.0K | 0.04% | +18,654+130.8% | AddedConverted for a 3-for-1 split |
| Amundi | 32,565 | $621.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| First Trust Advisors LP | 28,854 | $597.0K | 0.00% | −91,038−75.9% | ReducedConverted for a 3-for-1 split |
| UBS Asset Management Americas Inc | 28,788 | $595.6K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Winton Group Ltd | 25,282 | $523.0K | 0.03% | +2,149+9.3% | AddedConverted for a 3-for-1 split |
| Balyasny Asset Management LLC | 23,195 | $480.0K | 0.00% | +23,195 | New |
| Versor Investments LP | 19,319 | $400.0K | 0.01% | +19,319 | New |
| Jane Street Group, LLC | 18,115 | $375.0K | 0.00% | −7,421−29.1% | ReducedConverted for a 3-for-1 split |
| Stifel Financial Corp | 17,961 | $372.0K | 0.00% | +17,961 | New |
| IndexIQ Advisors LLC | 17,898 | $370.0K | 0.01% | +17,898 | New |
| Price T Rowe Associates Inc | 15,300 | $317.0K | 0.00% | +5,700+59.4% | AddedConverted for a 3-for-1 split |
| Handelsbanken Fonder AB | 15,100 | $312.0K | 0.00% | +3,700+32.5% | AddedConverted for a 3-for-1 split |
| Truvestments Capital LLC | 14,811 | $306.0K | 0.17% | −498−3.3% | ReducedConverted for a 3-for-1 split |
| Legal & General Group Plc | 13,251 | $274.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Gsa Capital Partners LLP | 12,678 | $262.0K | 0.04% | −19,782−60.9% | ReducedConverted for a 3-for-1 split |
| Squarepoint Ops LLC | 12,488 | $258.0K | 0.00% | +12,488 | New |
| XTX Topco Ltd | 11,637 | $241.0K | 0.11% | +11,637 | New |
| Trexquant Investment LP | 11,560 | $239.0K | 0.01% | −3,563−23.6% | ReducedConverted for a 3-for-1 split |
| Spearhead Capital Advisors, LLC | 11,011 | $228.0K | 0.03% | −3,446−23.8% | ReducedConverted for a 3-for-1 split |
| Arizona State Retirement System | 10,833 | $224.0K | 0.00% | +126+1.2% | AddedConverted for a 3-for-1 split |
| JPMorgan Chase & Co | 10,599 | $220.0K | 0.00% | +1,014+10.6% | AddedConverted for a 3-for-1 split |
| Virtu Financial LLC | 9,788 | $203.0K | 0.02% | +9,788 | New |
| Citigroup Inc | 7,203 | $149.0K | 0.00% | −5,517−43.4% | ReducedConverted for a 3-for-1 split |
| Ensign Peak Advisors, Inc | 5,910 | $122.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,530 | $94.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Leonteq Securities AG | 4,500 | $93.1K | 0.00% | +3,690+455.6% | AddedConverted for a 3-for-1 split |
| Deutsche Bank AG | 1,956 | $40.0K | 0.00% | −336,921−99.4% | ReducedConverted for a 3-for-1 split |
| Great West Life Assurance Co | 1,752 | $39.0K | 0.00% | +60+3.5% | AddedConverted for a 3-for-1 split |
| Advisor Group Holdings, Inc. | 1,500 | $31.0K | 0.00% | −189−11.2% | ReducedConverted for a 3-for-1 split |
| Cutler Group LP | 1,502 | $31.0K | 0.00% | +1,502 | New |
| Macquarie Group Ltd | 1,056 | $22.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| JTC Employer Solutions Trusteee Ltd | 1,000 | $21.0K | 0.00% | −2,000−66.7% | ReducedConverted for a 3-for-1 split |
| Baillie Gifford & Co | 660 | $14.0K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Blue Bell Private Wealth Management, LLC | 360 | $7.00K | 0.00% | +360 | New |
| Federation des caisses Desjardins du Quebec | 270 | $5.59K | 0.00% | 00.0% | UnchangedConverted for a 3-for-1 split |
| Wells Fargo & Company | 228 | $5.00K | 0.00% | +3+1.3% | AddedConverted for a 3-for-1 split |
| McIlrath & Eck, LLC | 138 | $3.00K | 0.00% | +138 | New |
| AdvisorNet Financial, Inc | 57 | $1.00K | 0.00% | +57 | New |
| NS Partners Ltd | 0 | $0 | 0.00% | −345,000−100.0% | Sold outConverted for a 3-for-1 split |
| Cooper Creek Partners Management LLC | 0 | $0 | 0.00% | −165,141−100.0% | Sold outConverted for a 3-for-1 split |
| Perseverance Asset Management International | 0 | $0 | 0.00% | −132,000−100.0% | Sold outConverted for a 3-for-1 split |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −65,652−100.0% | Sold outConverted for a 3-for-1 split |