Acm Research Inc. Class AACMR
13F holders, Q2 2025 (June 30)243holders −1
52new positions
52sold out
7famous investors
$25.90avg. 13F price*
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 |
"% 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.