Acm Research Inc. Class AACMR
13F holders, Q1 2025 (March 31)244holders +61
83new positions
23sold out
6famous investors
$23.36avg. 13F price*
At the end of Q1 2025, 244 institutions reported holding Acm Research Inc. Class A (ACMR) in their 13F filings, up 61 from Q4 2024. 83 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($98.3M), Vanguard Group Inc. ($94.7M) and Mitsubishi UFJ Trust & Banking Corp ($38.6M). 6 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Acm Research Inc. Class A
- CUSIP
- 00108J109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 83 | $128.6M |
| Exits | 23 | $31.1M |
All 13F filers, Q4 2024 → Q1 2025: 9,731,876 shares bought and 9,597,247 shares sold, net +134,629 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 244 holders
| BlackRock, Inc. | 0.00% | Reduce -14.1% | 4,212,456 | $98.3M |
| Vanguard Group Inc. | 0.00% | Reduce -3.5% | 4,055,346 | $94.7M |
| Mitsubishi UFJ Trust & Banking Corp | 0.10% | Add +12.5% | 1,653,235 | $38.6M |
| Triata Capital Ltd | 7.24% | Add +33.5% | 1,371,125 | $32.0M |
| Invesco Ltd. | 0.01% | Add +18.2% | 1,339,102 | $31.3M |
| State Street Corp. | 0.00% | Reduce -1.1% | 1,237,323 | $28.9M |
| Geode Capital Management, LLC | 0.00% | Add +2.7% | 1,216,665 | $28.4M |
| Federated Hermes, Inc. | 0.05% | Add +12871.6% | 1,072,752 | $25.0M |
| Pertento Partners LLP | 2.86% | Reduce -13.5% | 1,024,632 | $23.9M |
| Point72 Asset Management | 0.06% | New | 934,101 | $21.8M |
| Broad Bay Capital Management, LP | 3.18% | New | 905,494 | $21.1M |
| Point72 Hong Kong Ltd | 1.27% | New | 761,157 | $17.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -39.0% | 716,560 | $16.7M |
| JPMorgan Chase & Co. | 0.00% | Add +2189.1% | 537,348 | $12.5M |
| Raiffeisen Bank International AG | 0.20% | Reduce -28.6% | 500,000 | $12.3M |
| Northern Trust Corp. | 0.00% | Reduce -4.1% | 512,326 | $12.0M |
| Jane Street Group, LLC | 0.02% | Add +1067.0% | 476,089 | $11.1M |
| Steamboat Capital Partners, LLC | 3.36% | Reduce -36.6% | 475,000 | $11.1M |
| Morgan Stanley | 0.00% | Add +15.1% | 474,736 | $11.1M |
| Citadel Advisors | 0.01% | Add +27.4% | 453,141 | $10.6M |
| Susquehanna International Group, LLP | 0.02% | Add +98.9% | 444,755 | $10.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.6% | 402,163 | $9.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -5.9% | 375,938 | $8.8M |
| Oasis Management Co Ltd. | 2.83% | Reduce -5.3% | 353,709 | $8.3M |
| Citigroup Inc. | 0.01% | Reduce -0.3% | 342,819 | $8.0M |
| Amundi | 0.00% | New | 337,606 | $7.5M |
| Oberweis Asset Management Inc./ | 0.35% | Reduce -38.8% | 296,948 | $6.9M |
| BNP Paribas Financial Markets | 0.01% | Add +214.4% | 295,063 | $6.9M |
| Bank of America Corp. | 0.00% | Add +284.4% | 288,875 | $6.7M |
| Tudor Investment Corporation | 0.06% | New | 287,107 | $6.7M |
| Yiheng Capital Management, L.P. | 2.30% | Reduce -58.8% | 280,201 | $6.5M |
| Trexquant Investment LP | 0.07% | Reduce -52.6% | 271,343 | $6.3M |
| Deutsche Bank AG | 0.00% | Reduce -11.2% | 251,145 | $5.9M |
| Matthews International Capital Management LLC | 1.20% | Reduce -5.4% | 248,226 | $5.8M |
| AQR Capital Management | 0.01% | Reduce -31.9% | 243,819 | $5.7M |
| UBS Group AG | 0.00% | Reduce -79.6% | 231,316 | $5.4M |
| Kerrisdale Advisers, LLC | 2.09% | Reduce -89.0% | 214,397 | $5.0M |
| Bank of New York Mellon Corp | 0.00% | Add +2.0% | 214,017 | $5.0M |
| Osterweis Capital Management Inc. | 0.33% | Reduce -11.0% | 209,561 | $4.9M |
| FMR LLC | 0.00% | Add +159.0% | 180,119 | $4.2M |
| Honeycomb Asset Management LP | 1.94% | New | 173,700 | $4.1M |
| Acadian Asset Management LLC | 0.01% | New | 167,425 | $3.9M |
| Yong Rong (HK) Asset Management Ltd | 0.82% | No change | 150,000 | $3.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -22.9% | 144,653 | $3.4M |
| Balyasny Asset Management L.P. | 0.01% | New | 143,429 | $3.3M |
| Russell Investments Group, Ltd. | 0.00% | Add +388.3% | 142,244 | $3.3M |
| Rockefeller Capital Management L.P. | 0.01% | New | 140,924 | $3.3M |
| Nuveen, LLC | 0.00% | — | 137,182 | $3.2M |
| LPL Financial LLC | 0.00% | Reduce -42.7% | 133,556 | $3.1M |
| Janus Henderson Group PLC | 0.00% | Reduce -20.5% | 120,908 | $3.0M |
| Algert Global LLC | 0.07% | Add +4.0% | 127,307 | $3.0M |
| Pinpoint Asset Management Ltd | 0.50% | Add +14.4% | 122,428 | $2.9M |
| American Century Companies Inc. | 0.00% | Add +13.6% | 121,672 | $2.8M |
| PDT Partners, LLC | 0.20% | Add +12.6% | 121,602 | $2.8M |
| Twinbeech Capital LP | 0.05% | New | 121,480 | $2.8M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -51.6% | 117,198 | $2.7M |
| Simplex Trading, LLC | 0.09% | Reduce -22.1% | 110,128 | $2.6M |
| D. E. Shaw & Co. | 0.00% | New | 108,550 | $2.5M |
| Wells Fargo & Company | 0.00% | Add +218.7% | 108,007 | $2.5M |
| Barclays PLC | 0.00% | Reduce -16.1% | 100,808 | $2.4M |
| Swiss National Bank | 0.00% | Reduce -1.2% | 100,500 | $2.3M |
| Voloridge Investment Management, LLC | 0.01% | Add +6.8% | 94,496 | $2.2M |
| RPg Family Wealth Advisory, LLC | 0.60% | New | 89,798 | $2.1M |
| Informed Momentum Co LLC | 0.35% | New | 85,967 | $2.0M |
| Penserra Capital Management LLC | 0.03% | New | 81,890 | $1.9M |
| Dark Forest Capital Management LP | 0.09% | New | 80,581 | $1.9M |
| Rhumbline Advisers | 0.00% | Add +3.6% | 76,416 | $1.8M |
| Squarepoint Ops LLC | 0.00% | Reduce -39.3% | 75,828 | $1.8M |
| Cubist Systematic Strategies, LLC | 0.02% | New | 71,702 | $1.7M |
| Raymond James Financial Inc. | 0.00% | Reduce -20.5% | 68,167 | $1.6M |
| Jackson Creek Investment Advisors LLC | 0.49% | Reduce -0.1% | 65,813 | $1.5M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +364.6% | 64,027 | $1.5M |
| Dodge & Cox | 0.00% | Add +17.7% | 63,092 | $1.5M |
| Hussman Strategic Advisors, Inc. | 0.36% | Reduce -62.5% | 63,000 | $1.5M |
| Legal & General Group Plc | 0.00% | Add +9.8% | 61,227 | $1.4M |
| Aquatic Capital Management LLC | 0.04% | New | 61,158 | $1.4M |
| Los Angeles Capital Management LLC | 0.01% | Add +171.1% | 57,404 | $1.3M |
| Thompson Siegel & Walmsley LLC | 0.02% | New | 53,900 | $1.3M |
| Bayforest Capital Ltd | 0.54% | New | 52,804 | $1.2M |
| Gilder Gagnon Howe & Co. LLC | 0.02% | Add +89.5% | 49,753 | $1.2M |
| Sei Investments Co. | 0.00% | New | 49,018 | $1.1M |
| XTX Topco Ltd | 0.06% | New | 48,878 | $1.1M |
| Alliancebernstein L.P. | 0.00% | No change | 48,571 | $1.1M |
| California State Teachers Retirement System | 0.00% | No change | 48,316 | $1.1M |
| Kendall Capital Management | 0.31% | Add +1.4% | 45,240 | $1.1M |
| HCEP Management Ltd | 0.59% | New | 43,650 | $1.0M |
| Davidson Kempner Capital Management LP | 0.02% | Reduce -89.2% | 42,353 | $989K |
| Wexford Capital LP | 0.25% | New | 41,443 | $967K |
| Millennium Management | 0.00% | Add +55.0% | 40,277 | $940K |
| Bryce Point Capital, LLC | 0.68% | New | 32,616 | $907K |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.8% | 38,748 | $905K |
| Marshall Wace, LLP | 0.00% | New | 37,334 | $871K |
| FCG Investment Co | 0.52% | Add +78.5% | 35,300 | $824K |
| Segall Bryant & Hamill, LLC | 0.01% | New | 35,273 | $823K |
| Engineers Gate Manager LP | 0.01% | Add +130.3% | 35,077 | $819K |
| E Fund Management Co., Ltd. | 0.04% | New | 34,800 | $812K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +48.2% | 33,889 | $812K |
| NorthCrest Asset Manangement, LLC | 0.02% | Add +1.9% | 34,037 | $794K |
| Wolverine Trading, LLC | 0.02% | Add +35.6% | 31,519 | $776K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +10.6% | 32,061 | $748K |
"% 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.