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ACM Research, Inc.

ACMR
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
SEC CIK
0001680062

In the last 90 days, ACM Research, Inc. insiders filed 0 open-market purchases and 3 sales; 377 institutions reported holding it in 13F filings for Q2 2026, worth $6.11B in total; 3 superinvestors hold it, including Southeastern Asset Management (Longleaf) and Soros Fund Management.

Q3 2025 vs. Q2 2025

How the institutions holding ACM Research, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of ACMR: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders2431260+18
Shares37.4M28.5K41.8M+4.38M (+11.7%)
Value$969.2M$738.9K$1.63B+$665.8M (+68.7%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (63)

Institutions that held ACM Research, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ACMR in Q3 2025
InstitutionSharesValue% of portfolio
Cederberg Capital Ltd496,500$19.4M5.55%
Portolan Capital Management, LLC405,860$15.9M0.86%
MY.Alpha Management HK Advisors Ltd360,237$14.1M9.13%
Public Sector Pension Investment Board205,115$8.03M0.03%
Two Sigma Investments, LP194,338$7.60M0.01%
Seldon Capital LP193,242$7.56M2.66%
Nomura Holdings Inc144,492$5.65M0.03%
D. E. Shaw & Co., Inc.113,584$4.44M0.00%
Discovery Capital Management, LLC66,600$2.61M0.14%
Prudential Financial Inc52,745$2.06M0.00%
Hussman Strategic Advisors, Inc.52,500$2.05M0.44%
Campbell & CO Investment Adviser LLC51,822$2.03M0.15%
Thrivent Financial for Lutherans37,984$1.49M0.00%
Two Sigma Advisers, LP35,400$1.39M0.00%
CWM Advisors, LLC29,496$1.15M0.11%
Advisory Research Inc25,935$1.01M0.13%
State of Alaska, Department of Revenue25,856$1.01M0.01%
Belpointe Asset Management LLC25,272$988.9K0.04%
Parallax Volatility Advisers, L.P.23,818$932.0K0.03%
SG Americas Securities, LLC22,637$886.0K0.00%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management21,248$831.4K0.02%
Picton Mahoney Asset Management20,542$804.0K0.01%
Grantham, Mayo, Van Otterloo & Co. LLC18,601$727.9K0.00%
Macquarie Group Ltd18,100$708.0K0.00%
Yousif Capital Management, LLC16,600$649.6K0.01%
Teachers Retirement System of the State of Kentucky14,500$568.0K0.00%
Eschler Asset Management LLP13,904$544.1K0.40%
Commonwealth of Pennsylvania Public School Empls Retrmt Sys13,409$524.7K0.00%
AXA Investment Managers S.A.12,576$492.1K0.00%
Oregon Public Employees Retirement Fund12,100$473.5K0.01%
Gsa Capital Partners LLP11,423$447.0K0.04%
Marex Group plc10,869$425.3K0.01%
SRS Capital Advisors, Inc.10,241$400.7K0.01%
Entropy Technologies, LP9,880$386.6K0.03%
XTX Topco Ltd9,116$356.7K0.02%
Apollon Wealth Management, LLC9,025$353.1K0.01%
DRW Securities, LLC8,946$350.6K0.02%
Cetera Investment Advisers8,086$316.4K0.00%
Savvy Advisors, Inc.7,943$310.8K0.01%
Maryland State Retirement & Pension System7,596$297.2K0.01%
MidWestOne Financial Group, Inc.7,188$281.3K0.03%
Prelude Capital Management, LLC7,056$276.1K0.02%
Cambridge Investment Research Advisors, Inc.6,927$271.0K0.00%
Caxton Associates LLP6,738$263.7K0.01%
Numerai GP LLC6,114$239.2K0.03%
Violich Capital Management, Inc.5,900$230.9K0.03%
Mutual of America Capital Management LLC5,896$230.7K0.00%
Zacks Investment Management5,756$225.2K0.00%
Commonwealth Equity Services, LLC5,575$218.0K0.00%
CIBC Bancorp USA Inc.5,388$210.8K0.00%
Chicago Partners Investment Group LLC4,967$201.0K0.01%
Salomon & Ludwin, LLC0$13.6K0.00%
Bullock Wealth Management Group279$12.2K0.01%
Quantbot Technologies LP280$11.0K0.00%
Hantz Financial Services, Inc.180$7.00K0.00%
Wealthspire Advisors, LLC100$3.91K0.00%
Armstrong Advisory Group, Inc63$2.47K0.00%
Kilter Group LLC49$1.92K0.00%
Advisory Services Network, LLC41$1.60K0.00%
Strategic Advocates LLC35$1.37K0.00%
Guerra Advisors Inc34$1.33K0.00%
Turning Point Benefit Group, Inc.9$3940.00%
FNY Investment Advisers, LLC14$00.00%

Sold out (45)

Institutions that held ACM Research, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of ACMR in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Pertento Partners LLP1,024,632$26.5M
Qube Research & Technologies Ltd365,291$9.46M
Osterweis Capital Management Inc266,426$6.90M
Ruffer LLP264,706$6.86M
Point72 Asset Management, L.P.252,270$6.53M
Oberweis Asset Management Inc246,960$6.40M
Squarepoint Ops LLC155,120$4.02M
Centiva Capital, LP132,871$3.44M
AXA S.A.87,544$2.27M
Jackson Creek Investment Advisors LLC77,104$2.00M
Gotham Asset Management, LLC64,750$1.68M
Trexquant Investment LP62,725$1.62M
IMC-Chicago, LLC50,877$1.32M
Janney Montgomery Scott LLC38,858$1.01M
Anson Funds Management LP35,000$906.5K
Los Angeles Capital Management LLC34,290$888.1K
Engineers Gate Manager LP24,652$638.5K
Hudson Bay Capital Management LP24,570$636.4K
Universal- Beteiligungs- und Servicegesellschaft mbH23,617$611.7K
Truist Financial Corp22,198$574.9K
Connective Capital Management, LLC20,089$520.3K
Arrowpoint Investment Partners (Singapore) Pte. Ltd.18,500$479.1K
Winton Group Ltd15,505$401.6K
Alps Advisors Inc12,130$314.2K
Walleye Capital LLC11,756$304.5K
Catalyst Funds Management Pty Ltd10,300$266.8K
Ashton Thomas Private Wealth, LLC10,144$262.7K
Y-Intercept (Hong Kong) Ltd9,422$244.0K
Lazard Asset Management LLC5,245$135.0K
Headlands Technologies LLC4,395$113.8K
Point72 (DIFC) Ltd1,007$26.1K
Erste Asset Management GmbH800$20.7K
West Oak Capital, LLC500$13.0K
NewSquare Capital LLC360$9.32K
Mark Sheptoff Financial Planning, LLC300$7.77K
Harbor Capital Advisors, Inc.259$7.00K
Federation des caisses Desjardins du Quebec270$6.99K
Caitong International Asset Management Co., Ltd196$5.08K
Geneos Wealth Management Inc.55$1.43K
Skopos Labs, Inc.37$959
Riggs Asset Managment Co. Inc.36$933
Catherine Avery Investment Management LLC25$648
Twin Peaks Wealth Advisors, LLC11$274
US Bancorp7$181
Assetmark, Inc1$26

Not filed for Q3 2025 yet (1)

Institutions that held ACM Research, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ACMR in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank28,528$738.9K