ACM Research Ownership | Who Owns ACM Research?

Overview Forecast RevenueFinancials Chart Transcripts

ACM Research Ownership Summary

ACM Research is owned by 23.24% institutional investors, 12.78% insiders, and 63.98% 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

Type	Name	% Inst	% Insiders	% Retail
Stock	ACM Research	23.24%	12.78%	63.98%
Sector	Technology Stocks	36.01%	15.20%	48.78%
Idea	Semiconductor Stocks List	48.16%	6.95%	44.89%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	8.66M	13.16%	$1.10B
Vanguard group	4.97M	7.72%	$196.15M
Blackrock	4.07M	6.63%	$93.87M
Vanguard capital management	2.46M	3.74%	$312.50M
Capital world investors	2.40M	3.64%	$304.29M
State street	2.19M	3.33%	$277.67M
Triata capital	2.00M	3.13%	$78.39B
Geode capital management	1.49M	2.26%	$188.82M
Janus henderson group	1.09M	1.69%	$42.70M
Ward ferry management (bvi)	969.20K	1.47%	$122.98M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tekne capital management	737.50K	30.62%	$93.58M
Polunin capital partners	748.50K	18.92%	$77.09M
Ward ferry management (bvi)	969.20K	18.56%	$122.98M
Cederberg capital	599.20K	12.65%	$23.58M
Triata capital	2.00M	9.15%	$78.39B
My.alpha management hk advisors	360.24K	9.13%	$14.10M
Matthews capital management	132.40K	5.76%	$16.80M
Panview asian equity master fund	663.20K	3.86%	$15.29M
Wexford capital lp	599.25K	3.42%	$23.58M
Rpg family wealth advisory	98.17K	2.58%	$12.46M

Top Buyers

Holder	Shares	% Assets	Change
Capital world investors	2.40M	0.04%	2.40M
Ward ferry management (bvi)	969.20K	18.56%	969.20K
Longaeva partners	708.38K	1.03%	708.38K
Blackrock funding, inc. /de	8.66M	0.02%	676.00K
Fuller & thaler asset management	639.45K	0.22%	639.45K

Top Sellers

Holder	Shares	% Assets	Change
Pertento partners llp	-	-	-1.02M
Wcm investment management	917.65K	0.20%	-943.22K
Southeastern asset management inc/tn/	782.90K	1.52%	-897.28K
Point72 hong kong	-	-	-761.16K
Broad bay capital management, lp	-	-	-652.21K

New Positions

Holder	Shares	% Assets	Change	Value
Capital world investors	2.40M	0.04%	2.40M	$304.29M
Ward ferry management (bvi)	969.20K	18.56%	969.20K	$122.98M
Longaeva partners	708.38K	1.03%	708.38K	$27.87M
Fuller & thaler asset management	639.45K	0.22%	639.45K	$81.14M
Capital investors	623.43K	0.02%	623.43K	$79.11M

Sold Out

Holder	Change
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

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	149	-50.66%	14,914,946	-67.03%	23	0.47%	65	-61.54%	53	-37.65%
Dec 31, 2025	79	-72.08%	8,417,862	-79.85%	13	0.31%	45	-70.20%	24	-68.42%
Sep 30, 2025	104	-60.31%	13,195,748	-64.68%	20	0.60%	56	-59.71%	28	-58.21%
Jun 30, 2025	261	-0.38%	37,343,178	4.28%	58	1.82%	139	-9.15%	66	-
Mar 31, 2025	258	33.68%	35,754,131	0.15%	56	1.73%	149	46.08%	66	17.86%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	3.48M	5.03%	2.05K
American Funds SMALLCAP World A	2.93M	4.24%	2.93M
Vanguard Morn Total Stk Mkt Idx Investor	1.75M	2.53%	127.92K
Vanguard Total Stock Mkt Idx Inv	1.75M	2.53%	127.92K
Vanguard US Total Market Shares ETF	1.53M	2.43%	-
Federated Hermes Asia exJpn Eq R EUR Acc	1.38M	2.16%	-
iShares Russell 2000 ETF	1.37M	1.98%	-24.29K
Vanguard Information Technology ETF	1.33M	1.92%	9.62K
Panview Asian Equity Master Fund	1.17M	1.87%	504.00K
R51 FSSA China Growth	806.90K	1.29%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 04, 2026	Cheav Sotheara	See remarks	Sell	$784.03K
Jun 05, 2026	Cheav Sotheara	See remarks	Sell	$79.97K
Jun 04, 2026	Cheav Sotheara	See remarks	Sell	$109.30K
Jun 05, 2026	Cheav Sotheara	See remarks	Sell	$194.84K
Jun 05, 2026	Cheav Sotheara	See remarks	Sell	$33.60K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	23
2026 Q1	-	22
2025 Q4	-	12
2025 Q3	-	11
2025 Q2	-	5

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?

Tekne capital management is ACM Research’s biggest shareholder by percentage of total assets invested, with 30.62% of its assets in 737.5K ACM Research shares, valued at 93.58M$.

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.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools