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

Insider buying vs selling

Have Acm Research Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sotheara CheavOfficer2026-06-05968$82.61
$79.97kSell
Sotheara CheavOfficer2026-06-05400$84.01
$33.60kSell
Sotheara CheavOfficer2026-06-051,647$85.41
$140.67kSell
Sotheara CheavOfficer2026-06-055,399$13.89
$74.99kBuy
Sotheara CheavOfficer2026-06-052,384$81.73
$194.84kSell
Sotheara CheavOfficer2026-06-041,300$84.08
$109.30kSell
Sotheara CheavOfficer2026-06-049,212$85.11
$784.03kSell
Sotheara CheavOfficer2026-06-042,839$85.77
$243.50kSell
David H. WangChief Executive Officer President and Director2026-06-0417,543$85.11
$1.49MSell
David H. WangChief Executive Officer President and Director2026-06-0440,002$1.00
$40.00kBuy

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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 Ltd13.67%9,055,966$892.19MInsider
Blackrock Inc12.06%7,984,847$786.67MInstitution
Xiao Xing3.53%2,338,510$230.39MInsider
Vanguard Capital Management LLC3.42%2,264,337$223.08MInstitution
Vanguard Portfolio Management LLC3.33%2,203,831$217.12MInstitution
State Street Corp3.03%2,006,116$197.64MInstitution
Wcm Investment Management LLC2.81%1,860,874$183.33MInstitution
David H. Wang2.64%1,748,548$172.27MInsider
Geode Capital Management LLC2.07%1,371,227$135.09MInstitution
Morgan Stanley1.80%1,192,705$117.51MInstitution

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ACMR vs Semiconductor Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ACMR67.04%25.62%Net BuyingNet Buying
CAMT47.27%0.03%
KLIC83.37%16.63%Net SellingNet Selling
IPGP29.65%70.35%Net SellingNet Selling
UCTT68.43%31.57%Net SellingNet Selling

Acm Research Stock Ownership FAQ

Who owns Acm Research?

Acm Research (NASDAQ: ACMR) is owned by 67.04% institutional shareholders, 25.62% Acm Research insiders, and 7.34% retail investors. Shanghai Science Technology Venture Capital Group Co Ltd is the largest individual Acm Research shareholder, owning 9.06M shares representing 13.67% of the company. Shanghai Science Technology Venture Capital Group Co Ltd's Acm Research shares are currently valued at $857.24M.

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