ACM Research Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 813?
Owner Type	Number of Shares	Ownership Percentage
VC/PE Firms	3,358,728	5.36%
Individual Insiders	7,699,902	12.3%
General Public	15,534,863	24.8%
Institutions	36,034,354	57.5%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 3.3%.

Top Shareholders

Top 25 shareholders own 57.19% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.97%	Hui Wang	5,616,666	€99.9m	0%	no data
7.09%	BlackRock, Inc.	4,442,337	€79.0m	9.13%	no data
6.23%	The Vanguard Group, Inc.	3,904,389	€69.5m	-1.99%	no data
5.36%	Shanghai Pudong Science and Technology Investment Co., Ltd.	3,358,728	€59.8m	0%	9.07%
3.73%	Shanghai Technology Venture Capital Investment Co., Ltd.	2,338,510	€41.6m	-32%	no data
1.89%	Geode Capital Management, LLC	1,180,741	€21.0m	2.31%	no data
1.87%	Invesco Capital Management LLC	1,169,393	€20.8m	10.3%	0.01%
1.84%	Haiping Dun	1,155,090	€20.6m	0%	no data
1.84%	State Street Global Advisors, Inc.	1,151,220	€20.5m	8.07%	no data
1.81%	Fuller & Thaler Asset Management, Inc.	1,130,962	€20.1m	30.1%	0.08%
1.65%	Morgan Stanley, Investment Banking and Brokerage Investments	1,035,778	€18.4m	17.2%	no data
1.55%	Pertento Partners LLP	969,293	€17.2m	21.9%	2.23%
1.48%	Millennium Management LLC	924,104	€16.4m	284%	0.01%
1.37%	Portolan Capital Management, LLC	855,835	€15.2m	59%	1.13%
1.36%	Voloridge Investment Management, LLC	849,321	€15.1m	0.98%	0.05%
1.12%	Steamboat Capital Partners, LLC	699,208	€12.4m	-0.11%	4.2%
1.1%	Citadel Advisors LLC	686,673	€12.2m	145%	0.01%
1.06%	Yiheng Capital Management, L.P.	666,304	€11.9m	49.4%	2.12%
1.06%	Pan View Capital Limited	663,199	€11.8m	80.3%	1.8%
0.93%	SG Capital Management LLC	583,535	€10.4m	0%	1.6%
0.88%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	548,688	€9.8m	-37.1%	no data
0.8%	Norges Bank Investment Management	502,100	€8.9m	73.1%	no data
0.78%	Goldman Sachs Group, Investment Banking and Securities Investments	490,819	€8.7m	0.51%	no data
0.73%	Northern Trust Global Investments	455,286	€8.1m	-1.62%	no data
0.7%	Oberweis Asset Management, Inc.	441,130	€7.8m	0%	0.33%