Who owns Acm Research Inc?
- Ticker: ACMR
- CUSIP Number: 00108j109
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Analyze quarterly positions in Acm Research with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Acm Research stock
Who bought or sold Acm Research Inc this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| BlackRock | 7.9M | $311M | 4% | Dec 2025 |
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| Vanguard Group | 5.0M | $196M | 3% | Dec 2025 |
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| LSV Asset Management | 2.4M | $94M | -5% | Dec 2025 |
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| State Street Corporation | 2.0M | $77M | -2% | Dec 2025 |
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| Southeastern Asset Management | 1.7M | $66M | 13% | Dec 2025 |
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| Geode Capital Management | 1.3M | $53M | 1% | Dec 2025 |
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| Invesco | 1.3M | $53M | 444% | Dec 2025 |
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| Susquehanna International | 1.3M | $51M | -12% | Dec 2025 |
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| Mitsubishi UFJ Trust & Banking Corp | 829k | $33M | -39% | Dec 2025 |
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| Peak6 | 824k | $33M | -45% | Dec 2025 |
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| FMR | 804k | $32M | 224% | Dec 2025 |
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| Jane Street | 794k | $31M | -17% | Dec 2025 |
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| Polunin Capital Partners | 763k | $32M | 100% | Mar 2026 |
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| Tekne Capital Management | 715k | $28M | 100% | Dec 2025 |
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| Cederberg Capital | 694k | $27M | 40% | Dec 2025 |
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| Broad Bay Capital Management | 652k | $26M | -36% | Dec 2025 |
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| Citadel Advisors | 632k | $25M | -35% | Dec 2025 |
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| UBS Group | 615k | $24M | -9% | Dec 2025 |
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| Northern Trust | 544k | $22M | -7% | Dec 2025 |
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| Steamboat Capital Partners | 504k | $20M | -4% | Dec 2025 |
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| Charles Schwab Investment Management | 478k | $19M | 9% | Dec 2025 |
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| PENN Capital Management | 436k | $17M | 100% | Dec 2025 |
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| Principal Financial Group | 383k | $15M | 14% | Dec 2025 |
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| Toroso Investments | 362k | $14M | 138% | Dec 2025 |
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| Goldman Sachs Group | 362k | $14M | -46% | Dec 2025 |
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| Nearwater Capital Markets | 351k | $14M | 100% | Dec 2025 |
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| AQR Capital Management | 344k | $14M | -4% | Dec 2025 |
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| Congress Asset Management | 340k | $13M | 17% | Mar 2026 |
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| Wexford Capital | 335k | $13M | 80% | Dec 2025 |
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| Bank of New York Mellon | 325k | $13M | -11% | Dec 2025 |
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| Ameriprise Financial | 313k | $12M | -1% | Dec 2025 |
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| New York State Common Retirement Fund | 304k | $12M | 1820% | Dec 2025 |
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| Discovery Capital Management | 296k | $12M | 345% | Dec 2025 |
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| Portolan Capital Management | 286k | $11M | -30% | Dec 2025 |
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| HPM Partners | 268k | $11M | 611% | Dec 2025 |
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| Kerrisdale Advisers | 264k | $10M | 49% | Dec 2025 |
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| Oasis Management | 234k | $9.2M | 0% | Dec 2025 |
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| Dimensional Fund Advisors | 234k | $9.2M | 100% | Dec 2025 |
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| First Trust Advisors | 215k | $8.5M | 182% | Dec 2025 |
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| Thompson, Siegel, & Walmsley | 189k | $7.4M | 72% | Dec 2025 |
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| Matthews International Capital Management | 187k | $7.4M | -8% | Dec 2025 |
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| Public Sector Pension Investment Board | 184k | $7.3M | -10% | Dec 2025 |
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| Yiheng Capital | 174k | $6.9M | -38% | Dec 2025 |
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| Russell Investments | 164k | $6.5M | 48% | Dec 2025 |
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| Point72 Asset Management | 157k | $6.2M | 1639% | Dec 2025 |
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| American Century Companies | 152k | $6.0M | 1% | Dec 2025 |
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| Qube Research & Technologies | 146k | $5.8M | 100% | Dec 2025 |
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| Kennedy Capital Management | 140k | $5.5M | 100% | Dec 2025 |
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| Rhumbline Advisers | 138k | $5.4M | -7% | Dec 2025 |
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| RPg Family Wealth Advisory | 135k | $5.3M | -14% | Dec 2025 |
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| Legal & General Group | 134k | $5.3M | -3% | Dec 2025 |
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| Renaissance Technologies | 124k | $4.9M | -59% | Dec 2025 |
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| Boothbay Fund Management | 119k | $4.7M | -39% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 115k | $4.5M | 15% | Dec 2025 |
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| Walleye Trading | 114k | $4.5M | -18% | Dec 2025 |
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| Dodge & Cox | 112k | $4.4M | -9% | Dec 2025 |
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| Simplex Trading | 111k | $4.4M | 48% | Dec 2025 |
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| LPL Financial | 111k | $4.4M | 19% | Dec 2025 |
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| Nomura Holdings | 110k | $4.3M | -55% | Dec 2025 |
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| Nuveen | 107k | $4.2M | -34% | Dec 2025 |
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| Group One Trading | 107k | $4.2M | -21% | Dec 2025 |
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| Barclays | 107k | $4.2M | 11% | Dec 2025 |
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| Segall Bryant & Hamill | 107k | $4.2M | -1% | Dec 2025 |
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| MY.Alpha Management HK Advisors | 106k | $4.2M | -71% | Dec 2025 |
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| Swiss National Bank | 105k | $4.1M | 2% | Dec 2025 |
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| Hrt Financial | 98k | $3.9M | 170% | Dec 2025 |
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| Ubs Global Asset Management Americas | 86k | $3.4M | 18% | Dec 2025 |
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| Victory Capital Management | 85k | $3.3M | -2% | Dec 2025 |
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| Kendall Capital Management | 84k | $3.3M | 10% | Dec 2025 |
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| Bessemer | 84k | $3.3M | 66893% | Dec 2025 |
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| Wells Fargo & Company | 84k | $3.3M | 26% | Dec 2025 |
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| Centiva Capital | 82k | $3.2M | 100% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 74k | $2.9M | -57% | Dec 2025 |
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| Inspire Advisors | 71k | $2.8M | 100% | Dec 2025 |
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| Verition Fund Management | 67k | $2.6M | 283% | Dec 2025 |
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| Algert Coldiron Investors | 67k | $2.6M | 13% | Dec 2025 |
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| Florida State Board of Administration | 64k | $2.5M | 0% | Dec 2025 |
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| Hussman Econometrics Advisors | 63k | $2.5M | 20% | Dec 2025 |
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| Yong Rong | 60k | $2.4M | 100% | Dec 2025 |
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| Sei Investments | 58k | $2.3M | 165% | Dec 2025 |
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| Alliancebernstein | 57k | $2.2M | 14% | Dec 2025 |
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| Mackenzie Financial | 57k | $2.3M | 4% | Dec 2025 |
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| Quantinno Capital Management | 55k | $2.2M | 100% | Dec 2025 |
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| Guggenheim Capital, LLC Managers | 55k | $2.2M | 319% | Dec 2025 |
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| Tudor Investment Corporation | 54k | $2.1M | -60% | Dec 2025 |
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| CWM Advisors | 54k | $2.1M | 83% | Dec 2025 |
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| Gilder, Gagnon, Howe & Co | 50k | $2.0M | 0% | Dec 2025 |
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| Prudential Financial | 49k | $1.9M | -7% | Dec 2025 |
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| Weiss Asset Management LP[1 | 49k | $1.9M | 100% | Dec 2025 |
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| California State Teachers Retirement System | 48k | $1.9M | 0% | Dec 2025 |
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| Walleye Trading Advisors | 47k | $1.8M | 100% | Dec 2025 |
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| Great-West Life Assurance Company | 45k | $1.8M | 0% | Dec 2025 |
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| Squarepoint Ops | 43k | $1.7M | -50% | Dec 2025 |
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| Colony | 42k | $1.7M | 100% | Dec 2025 |
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| Raymond James Financial | 40k | $1.6M | -6% | Dec 2025 |
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| Thrivent Financial for Lutherans | 37k | $1.4M | -4% | Dec 2025 |
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| Diametric Capital | 35k | $1.4M | 361% | Dec 2025 |
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| Caption Management | 35k | $1.4M | -63% | Dec 2025 |
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| New York State Teachers Retirement System | 35k | $1.4M | 212% | Dec 2025 |
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| Teacher Retirement System Of Texas | 34k | $1.3M | -30% | Dec 2025 |
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| NorthCrest Asset Manangement | 33k | $1.4M | -1% | Mar 2026 |
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| Balyasny Asset Management | 33k | $1.3M | 41% | Dec 2025 |
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| D. E. Shaw & Co | 31k | $1.2M | -73% | Dec 2025 |
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| Capelight Capital Asset Management | 30k | $1.2M | -40% | Mar 2026 |
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| James Investment Research | 30k | $1.2M | 44% | Dec 2025 |
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| MetLife Investment Advisors | 29k | $1.1M | -7% | Dec 2025 |
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| Norges Bank Investment Management | 29k | $1.1M | 100% | Dec 2025 |
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| Alaska Retirement Management Board | 28k | $1.1M | -3% | Mar 2026 |
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| Illumine Investment Management | 28k | $1.1M | -11% | Dec 2025 |
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| Advisory Research | 27k | $1.1M | 5% | Dec 2025 |
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| Neuberger Berman Group | 27k | $1.1M | -2% | Dec 2025 |
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| Leucadia National Corporation | 27k | $1.1M | 100% | Dec 2025 |
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| Empirical Financial Services, LLC d/b/a Empirical Wealth Management | 26k | $1.0M | 23% | Dec 2025 |
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| Mirae Asset Global Etfs Holdings | 25k | $991k | 1% | Dec 2025 |
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| Manufacturers Life Insurance Company | 25k | $985k | -7% | Dec 2025 |
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| Intech Investment Management | 25k | $973k | 3% | Dec 2025 |
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| Allspring Global Investments Holdings | 24k | $1.1M | -22% | Dec 2025 |
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| Illinois Municipal Retirement Fund | 24k | $953k | 100% | Dec 2025 |
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| Louisiana State Employees Retirement System | 24k | $929k | -3% | Mar 2026 |
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| Millennium Management | 24k | $927k | -89% | Dec 2025 |
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| Mml Investors Services | 23k | $902k | 1% | Dec 2025 |
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| Belpointe Asset Management | 22k | $884k | -11% | Dec 2025 |
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| SG Americas Securities | 21k | $840k | -91% | Mar 2026 |
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| Parallax Volatility Advisers | 21k | $826k | -12% | Dec 2025 |
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| CWM | 21k | $813k | -1% | Dec 2025 |
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| Grantham, Mayo, Van Otterloo & Co | 20k | $800k | 9% | Dec 2025 |
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| Ing Investment Management | 20k | $798k | 121% | Dec 2025 |
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| Federated Investors | 19k | $752k | -98% | Dec 2025 |
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| Nkcfo | 18k | $710k | 100% | Dec 2025 |
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| Zurcher Kantonalbank | 18k | $705k | 117% | Dec 2025 |
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| Vontobel Holding | 18k | $703k | -21% | Dec 2025 |
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| Spire Wealth Management | 16k | $641k | -2% | Mar 2026 |
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| Cim | 16k | $639k | -5% | Dec 2025 |
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| Handelsbanken Fonder AB | 16k | $627k | 100% | Dec 2025 |
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| State of Tennessee, Treasury Department | 16k | $916k | 100% | Dec 2025 |
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| ProShare Advisors | 16k | $612k | -1% | Dec 2025 |
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| Amalgamated Bank | 15k | $601k | -1% | Dec 2025 |
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| Arizona State Retirement System | 15k | $585k | -5% | Dec 2025 |
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| CLS Investments | 14k | $569k | -4% | Dec 2025 |
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| Advisor Group Holdings | 14k | $566k | 97% | Dec 2025 |
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| Yousif Capital Management | 14k | $727k | -14% | Dec 2025 |
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| Bailard | 14k | $559k | -14% | Dec 2025 |
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| Beacon Financial Advisory | 14k | $554k | 0% | Dec 2025 |
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| Police & Firemen's Retirement System of New Jersey | 14k | $551k | 0% | Dec 2025 |
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| Yorktown Management & Research Company | 13k | $523k | 0% | Mar 2026 |
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| Commonwealth of Pennsylvania | 13k | $520k | -2% | Dec 2025 |
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| Teachers Retirement System Of The State Of Kentucky | 13k | $518k | -9% | Dec 2025 |
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| FCG Investment | 13k | $493k | -55% | Mar 2026 |
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| Oregon Public Employees Retirement Fund | 12k | $480k | 0% | Dec 2025 |
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| State of Wisconsin Investment Board | 12k | $480k | -56% | Dec 2025 |
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| Brian McDonald | 12k | $446k | -22% | Dec 2025 |
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| Seldon Capital | 10k | $395k | -95% | Dec 2025 |
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| CoreCap Advisors | 7.2k | $284k | -43% | Mar 2026 |
|
| Virtus ETF Advisers | 4.7k | $185k | -84% | Dec 2025 |
|
| ExodusPoint Capital Management | 2.5k | $99k | -95% | Dec 2025 |
|
Who sold out of Acm Research?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Two Sigma Investments | Sep 2025 | 194k | $7.6M |
| Marshall Wace | Sep 2025 | 114k | $4.4M |
| UBS O'Connor | Sep 2025 | 79k | $3.1M |
| Campbell & Co. Investment Adviser | Sep 2025 | 52k | $2.0M |
| Ieq Capital | Sep 2025 | 36k | $1.4M |
| Two Sigma Advisers | Sep 2025 | 35k | $1.4M |
| Franklin Resources | Sep 2025 | 33k | $1.3M |
| Dark Forest Capital Management | Sep 2025 | 24k | $943k |
| Picton Mahoney Asset Management | Sep 2025 | 21k | $804k |
| Rbf Capital | Sep 2025 | 20k | $783k |
| Wealth Enhancement Advisory Services | Dec 2025 | 18k | $925k |
| Macquarie Group | Sep 2025 | 18k | $708k |
| Cynosure Management | Sep 2025 | 16k | $618k |
| Danske Bank A/s | Sep 2025 | 14k | $558k |
| Eschler Asset Management | Sep 2025 | 14k | $544k |
| Private Advisor | Sep 2025 | 14k | $530k |