Acm Research Inc. Class AACMR
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 243 institutions reported holding Acm Research Inc. Class A (ACMR) in their 13F filings, down 1 from Q1 2025. 52 opened new positions and 52 sold out. The largest holders were Vanguard Group Inc. ($111.3M), BlackRock, Inc. ($106.3M) and Mitsubishi UFJ Trust & Banking Corp ($59.6M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Acm Research Inc. Class A
- CUSIP
- 00108J109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 52 | $84.2M |
| Exits | 52 | $69.2M |
All 13F filers, Q1 2025 → Q2 2025: 8,580,531 shares bought and 6,891,283 shares sold, net +1,689,248 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 243 holders
| Vanguard Group Inc. | 0.00% | Add +6.0% | 4,296,442 | $111.3M |
| BlackRock, Inc. | 0.00% | Reduce -2.5% | 4,106,092 | $106.3M |
| Mitsubishi UFJ Trust & Banking Corp | 0.14% | Add +39.3% | 2,302,351 | $59.6M |
| Triata Capital Ltd | 8.04% | Add +16.0% | 1,590,225 | $41.2M |
| Federated Hermes, Inc. | 0.07% | Add +32.5% | 1,421,688 | $36.8M |
| State Street Corp. | 0.00% | Add +1.4% | 1,254,699 | $32.5M |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 1,238,031 | $32.1M |
| Southeastern Asset Management Inc. | 1.55% | New | 1,185,744 | $30.7M |
| Pertento Partners LLP | 3.00% | No change | 1,024,632 | $26.5M |
| Broad Bay Capital Management, LP | 3.56% | Add +8.1% | 978,653 | $25.3M |
| Invesco Ltd. | 0.00% | Reduce -38.3% | 825,989 | $21.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +105.7% | 773,472 | $20.0M |
| Nuveen, LLC | 0.01% | Add +420.7% | 714,311 | $18.5M |
| Steamboat Capital Partners, LLC | 4.29% | Add +22.1% | 579,975 | $15.0M |
| Northern Trust Corp. | 0.00% | Add +9.9% | 563,027 | $14.6M |
| Morgan Stanley | 0.00% | Add +16.2% | 551,780 | $14.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -24.4% | 541,737 | $14.0M |
| Millennium Management | 0.01% | Add +1187.0% | 518,349 | $13.4M |
| LSV Asset Management | 0.03% | New | 444,900 | $11.5M |
| Raiffeisen Bank International AG | 0.17% | Reduce -13.0% | 435,000 | $11.3M |
| AQR Capital Management | 0.01% | Add +69.5% | 413,371 | $10.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.1% | 410,584 | $10.6M |
| UBS Group AG | 0.00% | Add +67.5% | 387,410 | $10.0M |
| Oasis Management Co Ltd. | 2.36% | Add +6.5% | 376,761 | $9.8M |
| Qube Research & Technologies Ltd | 0.01% | Add +211.7% | 365,291 | $9.5M |
| Kerrisdale Advisers, LLC | 3.87% | Add +33.6% | 286,497 | $7.4M |
| Yiheng Capital Management, L.P. | 2.63% | No change | 280,201 | $7.3M |
| Osterweis Capital Management Inc. | 0.43% | Add +27.1% | 266,426 | $6.9M |
| Ruffer LLP | 0.30% | New | 264,706 | $6.9M |
| Jane Street Group, LLC | 0.01% | Reduce -45.4% | 260,020 | $6.7M |
| Point72 Asset Management | 0.02% | Reduce -73.0% | 252,270 | $6.5M |
| Susquehanna International Group, LLP | 0.01% | Reduce -43.7% | 250,374 | $6.5M |
| Oberweis Asset Management Inc./ | 0.28% | Reduce -16.8% | 246,960 | $6.4M |
| Bank of America Corp. | 0.00% | Reduce -16.2% | 242,078 | $6.3M |
| Tudor Investment Corporation | 0.05% | Reduce -16.1% | 240,742 | $6.2M |
| Deutsche Bank AG | 0.00% | Reduce -4.9% | 238,750 | $6.2M |
| Citigroup Inc. | 0.00% | Reduce -30.6% | 238,017 | $6.2M |
| Algert Global LLC | 0.13% | Add +85.8% | 236,562 | $6.1M |
| Marshall Wace, LLP | 0.01% | Add +527.3% | 234,207 | $6.1M |
| Bank of New York Mellon Corp | 0.00% | Add +4.7% | 224,144 | $5.8M |
| Matthews International Capital Management LLC | 1.32% | Reduce -10.8% | 221,295 | $5.7M |
| HRT Financial LP | 0.02% | New | 205,708 | $5.3M |
| Citadel Advisors | 0.00% | Reduce -55.0% | 204,024 | $5.3M |
| Ameriprise Financial Inc. | 0.00% | Add +37.3% | 198,610 | $5.1M |
| Wells Fargo & Company | 0.00% | Add +82.6% | 197,249 | $5.1M |
| Congress Asset Management Co. | 0.04% | New | 197,176 | $5.1M |
| FMR LLC | 0.00% | Add +1.7% | 183,193 | $4.7M |
| Boothbay Fund Management, LLC | 0.13% | Add +802.3% | 155,455 | $4.0M |
| Squarepoint Ops LLC | 0.01% | Add +104.6% | 155,120 | $4.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -74.3% | 138,339 | $3.6M |
| American Century Companies Inc. | 0.00% | Add +13.3% | 137,904 | $3.6M |
| LPL Financial LLC | 0.00% | Add +1.8% | 135,926 | $3.5M |
| Barclays PLC | 0.00% | Add +32.4% | 133,437 | $3.5M |
| Centiva Capital, LP | 0.23% | Add +507.1% | 132,871 | $3.4M |
| Royal Bank of Canada | 0.00% | Add +1248.5% | 120,167 | $3.1M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -15.6% | 120,122 | $3.1M |
| Wexford Capital LP | 0.77% | Add +156.8% | 106,443 | $2.8M |
| Swiss National Bank | 0.00% | No change | 100,500 | $2.6M |
| Segall Bryant & Hamill, LLC | 0.04% | Add +178.7% | 98,318 | $2.5M |
| Simplex Trading, LLC | 0.07% | Reduce -13.1% | 95,710 | $2.5M |
| RPg Family Wealth Advisory, LLC | 0.66% | Add +6.3% | 95,421 | $2.5M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.07% | New | 92,121 | $2.4M |
| AXA S.A. | 0.01% | New | 87,544 | $2.3M |
| First Trust Advisors LP | 0.00% | New | 82,087 | $2.1M |
| Rhumbline Advisers | 0.00% | Add +6.6% | 81,465 | $2.1M |
| Dodge & Cox | 0.00% | Add +28.5% | 81,092 | $2.1M |
| Janus Henderson Group PLC | 0.00% | Reduce -34.3% | 79,390 | $2.1M |
| Thompson Siegel & Walmsley LLC | 0.03% | Add +44.7% | 78,000 | $2.0M |
| Jackson Creek Investment Advisors LLC | 0.54% | Add +17.2% | 77,104 | $2.0M |
| Principal Financial Group Inc. | 0.00% | New | 67,899 | $1.8M |
| Gotham Asset Management | 0.01% | New | 64,750 | $1.7M |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 64,027 | $1.7M |
| Mackenzie Financial Corp. | 0.00% | New | 62,994 | $1.6M |
| Trexquant Investment LP | 0.02% | Reduce -76.9% | 62,725 | $1.6M |
| Aquatic Capital Management LLC | 0.03% | Reduce -2.5% | 59,631 | $1.5M |
| Legal & General Group Plc | 0.00% | Reduce -5.1% | 58,116 | $1.5M |
| Kendall Capital Management | 0.37% | Add +19.5% | 54,055 | $1.4M |
| Ieq Capital, LLC | 0.01% | Add +82.1% | 52,195 | $1.4M |
| Raymond James Financial Inc. | 0.00% | Reduce -23.5% | 52,138 | $1.4M |
| IMC-Chicago, LLC | 0.03% | Add +79.4% | 50,877 | $1.3M |
| Pictet Asset Management Holding SA | 0.00% | New | 50,846 | $1.3M |
| Gilder Gagnon Howe & Co. LLC | 0.01% | Reduce -0.2% | 49,638 | $1.3M |
| Alliancebernstein L.P. | 0.00% | No change | 48,571 | $1.3M |
| Teacher Retirement System of Texas | 0.01% | Add +79.7% | 47,840 | $1.2M |
| California State Teachers Retirement System | 0.00% | Reduce -1.3% | 47,713 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.6% | 42,091 | $1.1M |
| Janney Montgomery Scott LLC | 0.00% | Add +47.3% | 38,858 | $1.0M |
| Renaissance Technologies | 0.00% | New | 37,000 | $958K |
| Intech Investment Management LLC | 0.01% | Add +34.5% | 36,531 | $946K |
| FCG Investment Co | 0.48% | Add +1.6% | 35,877 | $929K |
| Cerity Partners LLC | 0.00% | Add +53.6% | 35,861 | $929K |
| Anson Funds Management LP | 0.17% | New | 35,000 | $907K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -40.3% | 34,290 | $888K |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -5.8% | 31,930 | $848K |
| Franklin Resources Inc. | 0.00% | Add +10.3% | 31,913 | $827K |
| Illumine Investment Management, LLC | 0.66% | Add +1.9% | 31,848 | $825K |
| Virtus Advisers, LLC | 0.51% | Add +203.8% | 31,307 | $811K |
| Danske Bank A/S | 0.00% | New | 31,118 | $806K |
| MetLife Investment Management, LLC | 0.00% | No change | 30,677 | $795K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -9.3% | 29,092 | $753K |
| ExodusPoint Capital Management, LP | 0.01% | New | 29,070 | $753K |
| Norges Bank | 0.00% | No change | 28,528 | $739K |
| Group One Trading LLC | 0.02% | Add +19.8% | 28,454 | $737K |
| NorthCrest Asset Manangement, LLC | 0.02% | Reduce -22.8% | 26,272 | $731K |
| Sei Investments Co. | 0.00% | Reduce -42.9% | 28,007 | $725K |
| Neuberger Berman Group LLC | 0.00% | Add +4.8% | 27,275 | $705K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.8% | 26,483 | $686K |
| Tidal Investments LLC | 0.00% | New | 25,473 | $660K |
| Engineers Gate Manager LP | 0.01% | Reduce -29.7% | 24,652 | $638K |
| Hudson Bay Capital Management LP | 0.00% | New | 24,570 | $636K |
| Verition Fund Management LLC | 0.00% | Add +107.2% | 23,665 | $613K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 23,617 | $612K |
| Acadian Asset Management LLC | 0.00% | Reduce -86.3% | 23,027 | $594K |
| Wolverine Trading, LLC | 0.01% | Reduce -27.1% | 22,985 | $593K |
| Truist Financial Corp. | 0.00% | Add +4.8% | 22,198 | $575K |
| State of Wisconsin Investment Board | 0.00% | Reduce -1.6% | 21,291 | $551K |
| Cwm, LLC | 0.00% | Add +87.6% | 21,262 | $551K |
| Vontobel Holding Ltd. | 0.00% | Add +2.5% | 20,551 | $532K |
| AlphaQuest LLC | 0.05% | Add +55.4% | 20,487 | $531K |
| Connective Capital Management, LLC | 0.49% | New | 20,089 | $520K |
| Ensign Peak Advisors, Inc | 0.00% | Reduce -15.4% | 20,064 | $520K |
| RBF Capital, LLC | 0.03% | No change | 20,000 | $518K |
| MML Investors Services, LLC | 0.00% | Add +23.0% | 18,722 | $485K |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0.85% | New | 18,500 | $479K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 16,948 | $471K |
| Spire Wealth Management | 0.02% | New | 17,434 | $452K |
| Bailard, Inc. | 0.01% | New | 17,300 | $448K |
| Cim, LLC | 0.06% | Add +1.9% | 17,143 | $444K |
| ProShare Advisors LLC | 0.00% | Reduce -10.5% | 16,392 | $425K |
| James Investment Research, Inc. | 0.05% | New | 16,099 | $417K |
| New York State Common Retirement Fund | 0.00% | No change | 15,813 | $410K |
| Cynosure Group, LLC | 0.05% | Add +19.4% | 15,797 | $409K |
| WINTON GROUP Ltd | 0.02% | New | 15,505 | $402K |
| Victory Capital Management Inc. | 0.00% | New | 15,436 | $400K |
| BNP Paribas Financial Markets | 0.00% | Reduce -94.8% | 15,326 | $397K |
| Arizona State Retirement System | 0.00% | Add +2.8% | 15,263 | $395K |
| Orion Porfolio Solutions, LLC | 0.00% | Reduce -7.6% | 15,067 | $390K |
| Dark Forest Capital Management LP | 0.02% | Reduce -81.4% | 15,002 | $389K |
| Beacon Financial Advisory LLC | 0.09% | Add +0.1% | 14,040 | $364K |
| Voya Investment Management LLC | 0.00% | Add +1.1% | 13,878 | $359K |
| Guggenheim Capital LLC | 0.00% | Reduce -2.2% | 13,673 | $354K |
| Private Advisor Group, LLC | 0.00% | Add +46.1% | 13,604 | $352K |
| Yorktown Management & Research Co Inc | 0.33% | New | 13,300 | $344K |
| Essex Investment Management Co. LLC | 0.06% | No change | 13,230 | $343K |
| Alps Advisors Inc. | 0.00% | Add +1.2% | 12,130 | $314K |
| Walleye Capital LLC | 0.00% | Reduce -54.3% | 11,756 | $304K |
| Martingale Asset Management L P | 0.01% | New | 11,450 | $297K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 11,267 | $292K |
| Aberdeen Group plc | 0.00% | Add +7.7% | 10,979 | $287K |
| Cornerstone Investment Partners, LLC | 0.01% | Add +0.0% | 10,926 | $283K |
| KLP Kapitalforvaltning As | 0.00% | Reduce -21.9% | 10,700 | $277K |
| Mariner, LLC | 0.00% | New | 10,598 | $274K |
| Catalyst Funds Management Pty Ltd | 0.07% | New | 10,300 | $267K |
| Ashton Thomas Private Wealth, LLC | 0.01% | New | 10,144 | $263K |
| Perigon Wealth Management, LLC | 0.01% | New | 10,019 | $259K |
| PDT Partners, LLC | 0.01% | Reduce -91.8% | 9,942 | $257K |
| Diametric Capital, LP | 0.13% | Reduce -25.6% | 9,609 | $249K |
| Pallas Capital Advisors LLC | 0.01% | New | 9,608 | $249K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | Add +2.4% | 9,422 | $244K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 8,225 | $213K |
| Creative Planning | 0.00% | New | 8,172 | $212K |
| Independent Advisor Alliance | 0.01% | New | 7,995 | $207K |
| Osaic Holdings, Inc. | 0.00% | Reduce -5.0% | 7,869 | $204K |
| Resona Asset Management Co.,Ltd. | 0.00% | Add +14.9% | 7,730 | $199K |
| STRS Ohio | 0.00% | Add +17.5% | 6,700 | $174K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +7.3% | 6,076 | $157K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 5,778 | $150K |
| Blue Trust, Inc. | 0.00% | Add +5.2% | 5,548 | $144K |
| Lazard Asset Management LLC | 0.00% | Add +27.9% | 5,245 | $135K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 5,209 | $135K |
| Palouse Capital Management, Inc. | 0.09% | No change | 5,115 | $132K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -5.7% | 5,000 | $130K |
| Headlands Technologies LLC | 0.01% | New | 4,395 | $114K |
| Essential Partners LLC | 0.03% | — | 3,052 | $79K |
| Leonteq Securities AG | 0.00% | Reduce -45.8% | 2,626 | $68K |
| Truvestments Capital LLC | 0.01% | Reduce -14.7% | 2,313 | $60K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 1,900 | $49K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -16.2% | 1,893 | $49K |
| Amalgamated Bank | 0.00% | No change | 1,775 | $46K |
| Sterling Capital Management LLC | 0.00% | Add +333.3% | 1,365 | $35K |
| Walleye Trading LLC | 0.00% | Reduce -83.2% | 1,306 | $34K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +656.1% | 1,293 | $33K |
| KBC Group NV | 0.00% | No change | 1,228 | $32K |
| CoreCap Advisors, LLC | 0.00% | Add +2675.6% | 1,138 | $29K |
| Point72 (DIFC) Ltd | 0.00% | New | 1,007 | $26K |
| JTC Employer Solutions Trustee Ltd | 0.00% | No change | 1,000 | $26K |
| Nemes Rush Group LLC | 0.00% | No change | 1,000 | $26K |
| Erste Asset Management GmbH | 0.00% | New | 800 | $21K |
| GAMMA Investing LLC | 0.00% | Reduce -19.7% | 657 | $17K |
| West Oak Capital, LLC | 0.01% | No change | 500 | $13K |
| SBI Securities Co., Ltd. | 0.00% | Add +200.0% | 465 | $12K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | New | 456 | $12K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -36.0% | 432 | $11K |
| NewSquare Capital LLC | 0.00% | No change | 360 | $9K |
| Allworth Financial LP | 0.00% | Add +3588.9% | 332 | $9K |
| IFP Advisors, Inc | 0.00% | New | 305 | $8K |
| National Bank of Canada | 0.00% | Reduce -7.3% | 305 | $8K |
| Optiver Holding B.V. | 0.00% | Reduce -12.4% | 304 | $8K |
| Huntington National Bank | 0.00% | No change | 301 | $8K |
| Mark Sheptoff Financial Planning, LLC | 0.00% | No change | 300 | $8K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -48.7% | 295 | $8K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +1.2% | 259 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 270 | $7K |
| Harbor Investment Advisory, LLC | 0.00% | No change | 250 | $6K |
| Jones Financial Companies LLLP | 0.00% | Add +12.7% | 249 | $6K |
| McIlrath & Eck, LLC | 0.00% | No change | 238 | $6K |
| NewEdge Advisors, LLC | 0.00% | New | 226 | $6K |
| Cedar Mountain Advisors, LLC | 0.00% | New | 220 | $6K |
| Parallel Advisors, LLC | 0.00% | Reduce -19.4% | 216 | $6K |
| Global Retirement Partners, LLC | 0.00% | — | 203 | $5K |
| Golden State Wealth Management, LLC | 0.00% | No change | 200 | $5K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -95.8% | 196 | $5K |
| New York State Teachers Retirement System | 0.00% | New | 190 | $5K |
| Binnacle Investments Inc | 0.00% | Add +119.6% | 123 | $3K |
| Signaturefd, LLC | 0.00% | Reduce -55.9% | 119 | $3K |
| Bessemer Group Inc. | 0.00% | No change | 125 | $3K |
| Larson Financial Group LLC | 0.00% | Reduce -71.1% | 109 | $3K |
| Rothschild Investment LLC | 0.00% | Reduce -9.5% | 95 | $2K |
| Advisors Asset Management, Inc. | 0.00% | Reduce -3.1% | 93 | $2K |
| MCF Advisors LLC | 0.00% | No change | 90 | $2K |
| True Wealth Design, LLC | 0.00% | Reduce -68.6% | 70 | $2K |
| Medallion Wealth Advisors, LLC | 0.00% | No change | 57 | $2K |
| Geneos Wealth Management Inc. | 0.00% | Reduce -1.8% | 55 | $1K |
| Rise Advisors, LLC | 0.00% | New | 52 | $1K |
| WealthCollab, LLC | 0.00% | No change | 51 | $1K |
| Salem Investment Counselors Inc. | 0.00% | No change | 50 | $1K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -39.5% | 46 | $1K |
| Principal Securities, Inc. | 0.00% | Add +64.0% | 41 | $1K |
| Brooklyn Investment Group | 0.00% | Reduce -89.8% | 37 | $959 |
| Riggs Asset Managment Co. Inc. | 0.00% | New | 36 | $933 |
| Parkside Financial Bank & Trust | 0.00% | No change | 35 | $907 |
| CIBC Private Wealth Group LLC | 0.00% | New | 33 | $855 |
| Catherine Avery Investment Management LLC | 0.00% | Reduce -51.9% | 25 | $648 |
| MassMutual Private Wealth & Trust, FSB | 0.00% | New | 18 | $466 |
| Clearstead Advisors, LLC | 0.00% | New | 16 | $415 |
| Comerica Bank | 0.00% | Add +8.3% | 13 | $340 |
| Twin Peaks Wealth Advisors, LLC | 0.00% | New | 11 | $274 |
| MAI Capital Management | 0.00% | No change | 10 | $259 |
| US Bancorp \de | 0.00% | Reduce -95.3% | 7 | $181 |
| DecisionPoint Financial, LLC | 0.00% | New | 5 | $133 |
| Assetmark, Inc. | 0.00% | New | 1 | $26 |
| Pinpoint Asset Management (Singapore) Pte. Ltd. | 0.00% | — | 1 | $26 |
| Covestor Ltd | 0.00% | Reduce -99.3% | 4 | $0 |
"% of holder's portfolio" is ACMR's weight in each manager's 13F, not the share of Acm Research Inc. Class A the manager owns.