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ACM Research (ACMR) Institutional Ownership

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$59.20 +3.82 (+6.90%)
Closing price 05/7/2026 04:00 PM Eastern
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$60.53 +1.33 (+2.25%)
As of 04:13 AM Eastern
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Institutional Ownership Changes (13F Filings) for ACM Research (NASDAQ:ACMR)

Current
Institutional Ownership
Percentage
66.75%
Number of
Institutional Buyers
(last 12 months)
198
Total
Institutional Inflows
(last 12 months)
$750.14M
Number of
Institutional Sellers
(last 12 months)
108
Total
Institutional Outflows
(last 12 months)
$394.93M
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Skip Chart & View Institutional Buying and Selling Data

ACMR Institutional Buying and Selling by Quarter

ACM Research Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/8/2026Summit Global Investments8,592$338K0.0%N/A0.014%
5/7/2026WCM Investment Management LLC1,860,874$70.58M0.2%+16,878.8%3.040%
5/7/2026Dimensional Fund Advisors LP719,023$28.29M0.0%+207.6%1.174%
5/7/2026KBC Group NV1,698$67K0.0%-25.4%0.003%
5/7/2026Swiss National Bank106,600$4.20M0.0%+1.5%0.174%
5/6/2026 Bessemer Group Inc.55,933$2.20M0.0%-33.2%0.091%
5/6/2026 Allspring Global Investments Holdings LLC14,815$599K0.0%-39.3%0.024%
5/5/2026 Bank of New York Mellon Corp314,609$12.38M0.0%-3.2%0.514%
5/5/2026 Illinois Municipal Retirement Fund31,532$1.24M0.0%+30.5%0.052%
5/5/2026 Harel Insurance Investments & Financial Services Ltd.2,040$80K0.0%N/A0.003%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management23,427$922K0.0%-10.3%0.038%
5/4/2026 Illumine Investment Management LLC21,916$862K0.7%-21.8%0.036%
5/4/2026 Principal Financial Group Inc.340,724$13.41M0.0%-11.1%0.557%
5/4/2026 First Growth Capital LLC5,598$226K0.2%+5.4%0.009%
5/4/2026 Chicago Partners Investment Group LLC4,576$180K0.0%-7.9%0.007%
5/4/2026 Matthews International Capital Management LLC138,815$5.46M2.2%-25.9%0.227%
5/1/2026 Fifth Third Bancorp11,414$449K0.0%+11,546.9%0.019%
4/27/2026 New York State Teachers Retirement System33,740$1.33M0.0%-2.9%0.056%
4/27/2026 Capelight Capital Asset Management LP30,000$1.18M0.8%-40.0%0.049%
4/27/2026 Y Intercept Hong Kong Ltd76,212$3.00M0.1%N/A0.126%
4/25/2026 Strs Ohio15,500$610K0.0%+131.3%0.026%
4/24/2026 Palouse Capital Management Inc.3,218$127K0.1%-13.4%0.005%
4/23/2026 Inspire Investing LLC62,712$2.47M0.2%+16.3%0.103%
4/22/2026 Sterling Capital Management LLC1,703$67K0.0%-41.8%0.003%
4/21/2026 Louisiana State Employees Retirement System23,600$929K0.0%N/A0.039%
4/20/2026 Blue Trust Inc.5,150$203K0.0%-10.2%0.008%
4/16/2026 SG Americas Securities LLC21,351$840K0.0%-90.7%0.035%
3/13/2026Fund Advisors of America Inc FL8,604$339K0.3%N/A0.014%
3/10/2026MY.Alpha Management HK Advisors Ltd105,605$4.17M2.2%-70.7%0.174%
3/4/2026OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 35,958$1.42M0.2%-54.7%0.060%
2/19/2026Invesco Ltd.1,342,136$52.95M0.0%+444.5%2.242%
2/18/2026Cederberg Capital Ltd693,900$27.37M8.8%+39.8%1.159%
2/18/2026Vident Advisory LLC9,712$383K0.0%N/A0.016%
2/18/2026State of Tennessee Department of Treasury15,757$622K0.0%N/A0.026%
2/18/2026Mackenzie Financial Corp56,681$2.27M0.0%+4.3%0.095%
2/18/2026Cim LLC16,184$638K0.1%-5.5%0.027%
2/18/2026Yiheng Capital Management L.P.174,447$6.88M1.4%-37.7%0.291%
2/18/2026VARCOV Co.7,758$306K0.1%N/A0.013%
2/18/2026Odyssean LLC15,137$597K0.4%N/A0.025%
2/18/2026Millennium Management LLC23,500$927K0.0%-88.8%0.039%
2/18/2026Man Group plc5,307$209K0.0%N/A0.009%
2/18/2026 Inspire Investing LLC53,932$2.13M0.2%+82.8%0.090%
2/18/2026Janus Henderson Group PLC1,082,982$42.74M0.0%+1,406.4%1.809%
2/18/2026Boothbay Fund Management LLC119,094$4.70M0.1%-39.0%0.199%
2/17/2026Freestone Grove Partners LP10,153$401K0.0%N/A0.017%
2/17/2026Guggenheim Capital LLC54,571$2.15M0.0%+318.9%0.091%
2/17/2026Seldon Capital LP10,000$394K0.1%-94.8%0.017%
2/17/2026PDT Partners LLC6,241$246K0.0%-37.2%0.010%
2/17/2026AQR Capital Management LLC343,603$13.56M0.0%-3.7%0.574%
2/17/2026Cetera Investment Advisers7,175$283K0.0%-11.3%0.012%
2/17/2026Amundi9,833$388K0.0%N/A0.016%
2/17/2026Nearwater Capital Markets Ltd350,800$13.84M0.2%N/A0.586%
2/17/2026Price T Rowe Associates Inc. MD47,349$1.87M0.0%+4.4%0.079%
2/17/2026Broad Bay Capital Management LP652,214$25.73M2.7%-35.6%1.090%
2/17/2026Steamboat Capital Partners LLC504,161$19.89M5.5%-4.0%0.842%
2/17/2026Weiss Asset Management LP49,170$1.94M0.0%N/A0.082%
2/17/2026 Watershed Asset Management L.L.C.10,845$428K0.4%N/A0.018%
2/17/2026Kerrisdale Advisers LLC263,482$10.39M4.9%+49.2%0.440%
2/17/2026Russell Investments Group Ltd.164,308$6.48M0.0%+47.9%0.275%
2/17/2026 Maryland State Retirement & Pension System7,764$306K0.0%+2.2%0.013%
2/17/2026State of Wisconsin Investment Board12,157$480K0.0%-56.0%0.020%
2/17/2026Royal Bank of Canada3,269$128K0.0%-92.9%0.005%
2/17/2026Triata Capital Ltd1,929,919$76.14M9.2%-3.7%3.225%
2/16/2026OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 35,958$1.42M0.2%-54.7%0.060%
2/16/2026Verition Fund Management LLC66,652$2.63M0.0%+283.1%0.111%
2/16/2026 MML Investors Services LLC22,851$901K0.0%+1.0%0.038%
2/16/2026Focus Partners Wealth42,398$1.67M0.0%N/A0.071%
2/16/2026Kennedy Capital Management LLC139,885$5.52M0.1%N/A0.234%
2/16/2026Landscape Capital Management L.L.C.9,191$363K0.0%N/A0.015%
2/16/2026Arax Advisory Partners1,006$40K0.0%-90.2%0.002%
2/16/2026Barclays PLC106,904$4.22M0.0%+10.6%0.179%
2/13/2026The Manufacturers Life Insurance Company 24,956$985K0.0%-7.2%0.042%
2/13/2026Inspire Advisors LLC71,067$2.80M0.3%N/A0.119%
2/13/2026Segall Bryant & Hamill LLC106,555$4.20M0.1%-1.3%0.178%
2/13/2026Advisory Research Inc.27,324$1.08M0.1%+5.4%0.046%
2/13/2026Virtus Advisers LLC4,694$185K0.1%-83.8%0.008%
2/13/2026Dodge & Cox112,392$4.43M0.0%-8.5%0.188%
2/13/2026Morgan Stanley1,392,306$54.93M0.0%+58.8%2.326%
2/13/2026Public Sector Pension Investment Board184,345$7.27M0.0%-10.1%0.308%
2/13/2026First Trust Advisors LP215,323$8.49M0.0%+182.4%0.360%
2/13/2026FirstWave Capital Management LLC29,491$1.16M0.7%N/A0.049%
2/13/2026Charles Schwab Investment Management Inc.478,333$18.87M0.0%+9.4%0.799%
2/13/2026State Street Corp1,958,041$77.25M0.0%-1.6%3.272%
2/13/2026Vontobel Holding Ltd.17,824$703K0.0%-21.2%0.030%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC85,916$3.39M0.0%+18.2%0.144%
2/13/2026Wells Fargo & Company MN83,557$3.30M0.0%+26.1%0.140%
2/13/2026RPg Family Wealth Advisory LLC134,920$5.32M1.2%-13.9%0.225%
2/12/2026Orion Porfolio Solutions LLC14,423$569K0.0%-4.4%0.024%
2/12/2026MetLife Investment Management LLC28,640$1.13M0.0%-6.6%0.048%
2/12/2026Renaissance Technologies LLC124,439$4.91M0.0%-58.5%0.208%
2/12/2026Dimensional Fund Advisors LP233,741$9.22M0.0%N/A0.391%
2/12/2026Federated Hermes Inc.19,051$752K0.0%-98.2%0.032%
2/12/2026Ensign Peak Advisors Inc4,564$180K0.0%-60.4%0.008%
2/12/2026 New York State Common Retirement Fund303,543$11.98M0.0%+1,819.6%0.507%
2/12/2026Swiss National Bank105,000$4.14M0.0%+2.3%0.175%
2/12/2026 Nuveen LLC107,362$4.24M0.0%-34.0%0.179%
2/12/2026MIdWestOne Financial Group Inc.6,689$264K0.0%-6.9%0.011%
2/11/2026 Illinois Municipal Retirement Fund24,155$953K0.0%N/A0.040%
2/11/2026 Deutsche Bank AG73,504$2.90M0.0%-56.8%0.123%
2/11/2026Cerity Partners LLC268,337$10.59M0.0%+611.0%0.448%


ACMR Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ACMR shares?

During the previous two years, 302 institutional investors and hedge funds held shares of ACM Research. The most heavily invested institutionals were Vanguard Group Inc. ($196.15M), LSV Asset Management ($93.91M), State Street Corp ($77.25M), Triata Capital Ltd ($76.14M), WCM Investment Management LLC ($70.58M), Morgan Stanley ($54.93M), and Geode Capital Management LLC ($52.99M).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 256 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: LSV Asset Management ($2.50M), Mitsubishi UFJ Trust & Banking Corp ($2.06M), WCM Investment Management LLC ($1.85M), Triata Capital Ltd ($1.78M), Kerrisdale Advisers LLC ($1.74M), Federated Hermes Inc. ($1.42M), and Panview Capital Ltd ($1.37M).

How much institutional buying is happening at ACM Research?

Institutional investors have bought a total of 21,524,821 shares in the last 24 months. This purchase volume represents approximately $749.80M in transactions.

Which of ACM Research's major shareholders have been selling company stock?

Of the 108 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: Mitsubishi UFJ Trust & Banking Corp ($1.47M), Federated Hermes Inc. ($1.40M), Invesco Ltd. ($1.09M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($927.23K), Yiheng Capital Management L.P. ($906.56K), Millennium Management LLC ($486.55K), and Broad Bay Capital Management LP ($360.20K).

How much institutional selling is happening at ACM Research?

Institutional investors have sold a total of 11,441,013 shares in the last 24 months. This volume of shares sold represents approximately $394.93M in transactions.


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This page (NASDAQ:ACMR) was last updated on 5/8/2026 by MarketBeat.com Staff.
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