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NASDAQ: ACMR
Acm Research Inc Stock Ownership - Who owns Acm Research?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Acm Research Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Mark McKechnieChief Financial Officer and Treasurer2026-03-128,639$44.94
$388.24kSell
Mark McKechnieChief Financial Officer and Treasurer2026-03-1238,551$19.49
$751.36kBuy
Mark McKechnieChief Financial Officer and Treasurer2026-03-12982$46.55
$45.71kSell
Mark McKechnieChief Financial Officer and Treasurer2026-03-1247,108$45.74
$2.15MSell
David H. WangChief Executive Officer President and Director2026-03-1250,000$1.00
$50.00kBuy
David H. WangChief Executive Officer President and Director2026-03-1238,737$45.74
$1.77MSell
David H. WangChief Executive Officer President and Director2026-03-12702$46.57
$32.69kSell
David H. WangChief Executive Officer President and Director2026-03-1210,561$44.92
$474.40kSell
Mark McKechnieChief Financial Officer and Treasurer2026-03-1229,348$45.74
$1.34MSell
Mark McKechnieChief Financial Officer and Treasurer2026-03-12564$46.57
$26.27kSell

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Net Insider Buy/Sell (L12M) Ownership

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ACMR Shareholders

What type of owners hold Acm Research Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Shanghai Science Technology Venture Capital Group Co Ltd13.78%9,055,966$367.13MInsider
Blackrock Inc12.00%7,888,480$319.80MInstitution
Vanguard Group Inc7.56%4,972,103$201.57MInstitution
Lsv Asset Management3.62%2,380,521$96.51MInstitution
Xiao Xing3.56%2,338,510$94.80MInsider
State Street Corp2.98%1,958,041$79.38MInstitution
Triata Capital Ltd2.94%1,929,919$78.24MInstitution
David H. Wang2.66%1,748,548$70.89MInsider
Southeastern Asset Management Inc2.56%1,680,181$68.11MInstitution
Morgan Stanley2.12%1,392,306$56.44MInstitution

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ACMR vs Semiconductor Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ACMR68.80%25.81%Net BuyingNet Buying
UCTT67.14%32.86%Net SellingNet Selling
ACLS91.62%8.38%Net SellingNet Selling
PLAB85.77%14.23%Net SellingNet Selling
AXTI47.51%21.52%Net SellingNet Selling
View Top Semiconductor Equipment Stocks

Acm Research Stock Ownership FAQ

Who owns Acm Research?

Acm Research (NASDAQ: ACMR) is owned by 68.80% institutional shareholders, 25.81% Acm Research insiders, and 5.39% retail investors. Shanghai Science Technology Venture Capital Group Co Ltd is the largest individual Acm Research shareholder, owning 9.06M shares representing 13.78% of the company. Shanghai Science Technology Venture Capital Group Co Ltd's Acm Research shares are currently valued at $377.36M.

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