ACM Research (ACMR) Institutional Ownership $26.51 +0.46 (+1.77%) Closing price 04:00 PM EasternExtended Trading$26.50 -0.01 (-0.02%) As of 07:56 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for ACM Research (NASDAQ:ACMR)CurrentInstitutional OwnershipPercentage66.75%Number ofInstitutional Buyers(last 12 months)139TotalInstitutional Inflows(last 12 months)$286.91MNumber ofInstitutional Sellers(last 12 months)69TotalInstitutional Outflows(last 12 months)$145.05M Get ACMR Insider Trade Alerts Want to know when executives and insiders are buying or selling ACM Research stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data ACMR Institutional Buying and Selling by Quarter ACM Research Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails6/18/2025 Voya Investment Management LLC13,730$320K0.0%-10.2%0.023% 6/6/2025 Militia Capital Partners LP21,689$506K0.4%N/A0.037% 6/5/2025 Osterweis Capital Management Inc.209,561$4.89M0.0%-11.0%0.356% 6/3/2025 Inspire Investing LLC28,080$655K0.1%N/A0.048% 5/29/2025 Rhumbline Advisers76,416$1.78M0.0%+3.6%0.130% 5/28/2025 Strs Ohio5,700$133K0.0%N/A0.010% 5/22/2025 Diker Management LLC31,897$744K0.9%N/A0.054% 5/21/2025 Acadian Asset Management LLC167,425$3.90M0.0%N/A0.285% 5/19/2025 Bayforest Capital Ltd52,804$1.23M0.5%N/A0.090% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC716,560$16.73M0.0%-39.0%1.218% Get the Latest News and Ratings for ACMR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ACM Research and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 Caxton Associates LLP10,724$250K0.0%N/A0.018% 5/16/2025 Goldman Sachs Group Inc.375,938$8.77M0.0%-5.9%0.639% 5/16/2025 Yiheng Capital Management L.P.280,201$6.54M0.6%-58.8%0.476% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.32,061$748K0.0%+10.6%0.054% 5/16/2025 AQR Capital Management LLC243,819$5.69M0.0%-31.9%0.414% 5/16/2025 Amundi337,606$7.55M0.0%N/A0.574% 5/15/2025 PDT Partners LLC121,602$2.84M0.2%+12.6%0.207% 5/15/2025 Steamboat Capital Partners LLC475,000$11.09M3.4%-36.6%0.807% 5/15/2025 Baird Financial Group Inc.30,958$723K0.0%N/A0.053% 5/15/2025 Yiheng Capital Management L.P.280,201$6.54M0.4%-58.8%0.476% 5/15/2025 Broad Bay Capital Management LP905,494$21.13M3.1%N/A1.539% 5/15/2025 Trexquant Investment LP271,343$6.33M0.1%-52.6%0.461% 5/14/2025 Truvestments Capital LLC2,712$63K0.0%-19.5%0.005% 5/14/2025 Ieq Capital LLC28,658$669K0.0%+166.7%0.049% 5/14/2025 Virtus Advisers LLC10,307$241K0.3%N/A0.018% 5/14/2025 RPg Family Wealth Advisory LLC89,798$2.10M0.6%N/A0.153% 5/14/2025 Dodge & Cox63,092$1.47M0.0%+17.7%0.107% 5/14/2025 AlphaQuest LLC13,187$308K0.0%-38.2%0.022% 5/14/2025 Osterweis Capital Management Inc.209,561$4.89M0.0%-11.0%0.356% 5/14/2025 Triata Capital Ltd1,371,125$32.00M7.2%+33.5%2.330% 5/13/2025 Northern Trust Corp512,326$11.96M0.0%-4.1%0.871% 5/13/2025 Versor Investments LP14,100$329K0.1%N/A0.024% 5/13/2025 FCG Investment Co35,300$824K0.5%+78.4%0.060% 5/13/2025 Algert Global LLC127,307$2.97M0.1%+4.0%0.216% 5/13/2025 American Century Companies Inc.121,672$2.84M0.0%+13.6%0.207% 5/13/2025 Aberdeen Group plc10,194$235K0.0%N/A0.017% 5/13/2025 Fox Run Management L.L.C.13,811$322K0.0%N/A0.023% 5/13/2025 E Fund Management Co. Ltd.34,800$812K0.0%N/A0.059% 5/13/2025 Caitong International Asset Management Co. Ltd4,673$109K0.1%+871.5%0.008% 5/13/2025 Russell Investments Group Ltd.142,244$3.32M0.0%+388.3%0.242% A new rule goes live in July — and the banks are quietly cashing in (Ad)A major change is quietly going into effect this July — and Wall Street is already positioning for it. Big Banks have found a way to use a new asset as if it were cash. Not stocks. Not bonds. Not even the U.S. dollar. They now trust this asset more than the traditional financial system itself.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how5/13/2025 Resona Asset Management Co. Ltd.6,730$166K0.0%-62.8%0.011% 5/13/2025 Informed Momentum Co LLC85,967$2.01M0.3%N/A0.146% 5/12/2025 Nuveen LLC137,182$3.20M0.0%N/A0.233% 5/12/2025 Virtu Financial LLC30,276$707K0.0%N/A0.051% 5/12/2025 Invesco Ltd.1,339,102$31.26M0.0%+18.2%2.276% 5/12/2025 Cynosure Group LLC13,232$309K0.0%-31.7%0.022% 5/12/2025 Citigroup Inc.342,819$8.00M0.0%-0.3%0.583% 5/12/2025 Swiss National Bank100,500$2.35M0.0%-1.2%0.171% 5/12/2025 Pinpoint Asset Management Ltd122,428$2.86M0.5%+14.4%0.208% 5/9/2025 Deutsche Bank AG251,145$5.86M0.0%-11.2%0.427% 5/9/2025 Charles Schwab Investment Management Inc.402,163$9.39M0.0%-1.6%0.683% 5/9/2025 Vanguard Group Inc.4,055,346$94.65M0.0%-3.5%6.892% 5/9/2025 Raiffeisen Bank International AG500,000$12.31M0.2%-28.6%0.850% 5/8/2025 XTX Topco Ltd48,878$1.14M0.1%N/A0.083% 5/8/2025 Harvest Fund Management Co. Ltd4,880$114K0.0%N/A0.008% 5/8/2025 Federated Hermes Inc.1,072,752$25.04M0.1%+12,871.6%1.823% 5/7/2025 Picton Mahoney Asset Management12,334$288K0.0%+297.4%0.021% 5/7/2025 Bryce Point Capital LLC32,616$761K0.6%N/A0.055% 5/7/2025 LPL Financial LLC133,556$3.12M0.0%-42.7%0.227% 5/6/2025 Y Intercept Hong Kong Ltd9,201$215K0.0%N/A0.016% 5/5/2025 Private Advisor Group LLC9,311$217K0.0%N/A0.016% 5/5/2025 Hussman Strategic Advisors Inc.63,000$1.47M0.4%-62.5%0.108% 5/2/2025 Segall Bryant & Hamill LLC35,273$823K0.0%N/A0.061% 5/1/2025 CWM LLC11,331$264K0.0%+227.9%0.019% 4/30/2025 Cerity Partners LLC23,351$545K0.0%N/A0.040% 4/30/2025 Cornerstone Investment Partners LLC10,922$255K0.0%-8.0%0.019% 4/30/2025 Alps Advisors Inc.11,983$280K0.0%-43.9%0.021% 4/29/2025 Penserra Capital Management LLC81,890$1.91M0.0%N/A0.141% 4/29/2025 Bank of New York Mellon Corp214,017$5.00M0.0%+2.0%0.368% 4/28/2025 Teacher Retirement System of Texas26,624$621K0.0%-52.7%0.046% 4/28/2025 Vontobel Holding Ltd.20,060$468K0.0%N/A0.035% 4/25/2025 Kendall Capital Management45,240$1.06M0.3%+1.4%0.078% 4/25/2025 KBC Group NV1,228$29K0.0%N/A0.002% 4/24/2025 Allspring Global Investments Holdings LLC33,889$812K0.0%+48.2%0.058% 4/24/2025 Mirae Asset Global Investments Co. Ltd.5,301$130K0.0%+147.6%0.009% 4/22/2025 Illumine Investment Management LLC31,262$730K0.6%+3.0%0.054% 4/21/2025 Blue Trust Inc.5,272$123K0.0%N/A0.009% 4/21/2025 Matthews International Capital Management LLC248,226$5.79M1.2%-5.4%0.427% 4/17/2025 Janney Montgomery Scott LLC26,390$616K0.0%-62.6%0.045% 4/16/2025 Palouse Capital Management Inc.5,115$119K0.1%+76.0%0.009% 4/16/2025 Hennessy Advisors Inc.8,602$201K0.0%N/A0.015% 4/16/2025 New England Research & Management Inc.9,550$223K0.1%N/A0.016% 4/16/2025 NorthCrest Asset Manangement LLC34,037$794K0.0%+1.9%0.059% 4/15/2025 SG Americas Securities LLC13,433$314K0.0%-96.5%0.023% 4/8/2025 Rhumbline Advisers76,416$1.78M0.0%+3.6%0.132% 4/7/2025 GAMMA Investing LLC19,092$446K0.0%+4,309.2%0.033% 3/18/2025 California State Teachers Retirement System48,316$730K0.0%+5.1%0.083% 3/17/2025 NorthCrest Asset Manangement LLC33,390$504K0.0%-1.2%0.057% 3/3/2025 Cim LLC17,149$259K0.0%+2.8%0.030% 2/17/2025 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,174,720$17.74M0.0%+1,418.5%2.039% The $7 company helping Nvidia build the world’s first trillion-dollar robot … (Ad)Michael Robinson has been at the forefront of the technology market for over 40 years. 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Click here to find out more.2/17/2025 Voloridge Investment Management LLC88,467$1.34M0.0%-88.1%0.154% 2/17/2025 Squarepoint Ops LLC125,002$1.89M0.0%+33.7%0.217% 2/17/2025 Triata Capital Ltd1,026,967$15.51M6.4%N/A1.783% 2/17/2025 Steamboat Capital Partners LLC748,925$11.31M3.5%-23.5%1.300% 2/17/2025 Sherbrooke Park Advisers LLC14,122$213K0.1%+10.7%0.025% 2/17/2025 Raiffeisen Bank International AG700,000$10.55M0.2%N/A1.215% 2/17/2025 ProShare Advisors LLC21,516$325K0.0%+45.8%0.037% 2/17/2025 Man Group plc24,505$370K0.0%N/A0.043% 2/17/2025Nuveen Asset Management LLC130,136$1.97M0.0%-67.9%0.226% 2/17/2025 Oasis Management Co Ltd.373,709$5.64M1.3%+29.8%0.649% (Data available from 1/1/2016 forward) ACMR Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ACMR shares? During the previous two years, 214 institutional investors and hedge funds held shares of ACM Research. The most heavily invested institutionals were Vanguard Group Inc. ($94.65M), Ariose Capital Management Ltd ($38.70M), Triata Capital Ltd ($32.00M), Invesco Ltd. ($31.26M), Kerrisdale Advisers LLC ($29.42M), Federated Hermes Inc. ($25.04M), and State Street Corp ($23.35M).Learn more on ACM Research's institutional investors. What percentage of ACM Research's stock is owned by institutional investors? 66.75% of ACM Research's stock is owned by institutional investors. Learn more on ACMR's institutional investor holdings. Which institutional investors have been buying ACM Research's stock? Of the 190 institutional investors that purchased ACM Research's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Ariose Capital Management Ltd ($1.71M), Kerrisdale Advisers LLC ($1.65M), Mitsubishi UFJ Trust & Banking Corp ($1.43M), Panview Capital Ltd ($1.37M), Triata Capital Ltd ($1.37M), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($1.10M), and Federated Hermes Inc. ($1.07M). How much institutional buying is happening at ACM Research? Institutional investors have bought a total of 15,842,515 shares in the last 24 months. This purchase volume represents approximately $286.91M in transactions. Which of ACM Research's major shareholders have been selling company stock? Of the 69 institutional investors that sold ACM Research's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: JPMorgan Chase & Co. ($816.41K), Yiheng Capital Management L.P. ($800.81K), Voloridge Investment Management LLC ($651.97K), Steamboat Capital Partners LLC ($504.01K), Millennium Management LLC ($471.21K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($468.65K), and Allspring Global Investments Holdings LLC ($385.31K). How much institutional selling is happening at ACM Research? Institutional investors have sold a total of 7,247,296 shares in the last 24 months. This volume of shares sold represents approximately $145.05M in transactions. Related Companies ChampionX Institutional Ownership Weatherford International Institutional Ownership Cactus Institutional Ownership ATS Institutional Ownership Hayward Institutional Ownership Hesai Group Institutional Ownership Enerpac Tool Group Institutional Ownership Solaris Energy Infrastructure Institutional Ownership Flowco Institutional Ownership DNOW Institutional Ownership This page (NASDAQ:ACMR) was last updated on 6/26/2025 by MarketBeat.com Staff From Our PartnersThe $7 company helping Nvidia build the world’s first trillion-dollar robot …Michael Robinson has been at the forefront of the technology market for over 40 years. Spotting some profit...Weiss Ratings | SponsoredWhy July is critical for your stocksBig Study Shows Stocks Extremely Likely to Crash in 2026? Legendary quant analyst Marc Chaikin says in 50 y...Chaikin Analytics | Sponsored3..2..1.. 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