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ACM Research Ownership | Who Owns ACM Research?

OverviewForecastRevenueFinancialsChartTranscripts

ACM Research Ownership Summary

ACM Research is owned by 74.37% institutional investors, 12.68% insiders, and 12.95% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 13.16% of ACMR shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.03% of its assets in ACM Research shares.

ACMR Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockACM Research74.37%12.68%12.95%
SectorTechnology Stocks 53.67%14.96%31.36%
IdeaSemiconductor Stocks List 73.13%6.84%20.03%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de8.66M13.16%$1.10B
Vanguard group4.97M7.72%$196.15M
Blackrock4.07M6.63%$93.87M
Vanguard capital management2.46M3.74%$312.50M
Capital world investors2.40M3.64%$304.29M
State street2.19M3.33%$277.67M
Triata capital2.00M3.13%$78.39B
Geode capital management1.49M2.26%$188.82M
Invesco1.17M1.78%$148.47M
Janus henderson group1.09M1.69%$42.70M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Cederberg capital254.67K32.20%$32.31M
Tekne capital management737.50K30.62%$93.58M
Polunin capital partners748.50K18.92%$77.09M
Ward ferry management (bvi)969.20K18.56%$122.98M
My.alpha management hk advisors249.50K12.19%$31.66M
Triata capital2.00M9.15%$78.39B
Wexford capital lp355.40K5.77%$45.10M
Matthews capital management132.40K5.76%$16.80M
12 west capital management lp225.00K5.34%$28.55M
Steamboat capital partners182.77K4.96%$23.19M

Top Buyers

HolderShares% AssetsChange
Capital world investors2.40M0.04%2.40M
Ward ferry management (bvi)969.20K18.56%969.20K
Blackrock funding, inc. /de8.66M0.02%676.00K
Fuller & thaler asset management639.45K0.22%639.45K
Capital investors623.43K0.02%623.43K

Top Sellers

HolderShares% AssetsChange
Pertento partners llp---1.02M
Wcm investment management917.65K0.20%-943.22K
Point72 hong kong---761.16K
Longaeva partners17.73K0.05%-690.65K
Broad bay capital management, lp---652.21K

New Positions

HolderShares% AssetsChangeValue
Capital world investors2.40M0.04%2.40M$304.29M
Ward ferry management (bvi)969.20K18.56%969.20K$122.98M
Fuller & thaler asset management639.45K0.22%639.45K$81.14M
Capital investors623.43K0.02%623.43K$79.11M
Sixth street partners management company526.76K0.01%526.76K$66.84M

Sold Out

HolderChange
Assetmark-1.00
Innealta capital-3.00
Turning point benefit group-9.00
Nelson, van denburg & campbell wealth management group-10.00
Twin peaks wealth advisors-11.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202639924.30%48,938,23510.23%741.55%24755.35%94-11.32%
Mar 31, 2026149-50.66%14,914,946-67.03%230.47%65-61.54%53-37.65%
Dec 31, 202579-72.08%8,417,862-79.85%130.31%45-70.20%24-68.42%
Sep 30, 2025104-60.31%13,195,748-64.68%200.60%56-59.71%28-58.21%
Jun 30, 2025261-0.38%37,343,1784.28%581.82%139-9.15%66-

Top Mutual Funds Shareholders

HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF3.48M5.03%2.05K
American Funds SMALLCAP World A2.93M4.24%2.93M
Vanguard Morn Total Stk Mkt Idx Investor1.75M2.53%127.92K
Vanguard Total Stock Mkt Idx Inv1.75M2.53%127.92K
Vanguard MStar Total Stk Mkt Idx Invest1.76M2.52%5.54K
Vanguard US Total Market Shares ETF1.53M2.43%-
Federated Hermes Asia exJpn Eq R EUR Acc1.38M2.16%-
iShares Russell 2000 ETF1.37M1.98%-24.29K
Vanguard Information Technology ETF1.33M1.92%5.39K
Panview Asian Equity Master Fund1.17M1.87%504.00K

Recent Insider Transactions

DateNameRoleActivityValue
Aug 20, 2026McKechnie Mark See RemarksSell$873.07K
Aug 20, 2026McKechnie Mark See RemarksSell$1.04M
Aug 20, 2026McKechnie Mark See RemarksSell$2.35M
Aug 18, 2026Dun Haiping-Sell$276.45K
Aug 18, 2026Dun Haiping-Sell$96.35K

Insider Transactions Trends

DateBuySell
2026 Q3-6
2026 Q2-23
2026 Q1-22
2025 Q4-12
2025 Q3-11

ACMR Ownership FAQ

Who owns the most shares of ACM Research?

ACM Research’s largest shareholders are Blackrock funding, inc. /de (8.66M shares, 13.16%), Vanguard group (4.97M shares, 7.72%), and Blackrock (4.07M shares, 6.63%). Together, they hold 27.52% of ACM Research’s total shares outstanding.

Does Blackrock own ACM Research?

Yes, BlackRock owns 6.63% of ACM Research, totaling 4.07M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 93.87M$. In the last quarter, BlackRock increased its holdings by 109.3K shares, a 2.76% change.

Who is ACM Research’s biggest shareholder by percentage of total assets invested?

Cederberg capital is ACM Research’s biggest shareholder by percentage of total assets invested, with 32.20% of its assets in 254.67K ACM Research shares, valued at 32.32M$.

Who is the top mutual fund holder of ACM Research shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of ACM Research shares, with 5.03% of its total shares outstanding invested in 3.48M ACM Research shares.

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