What does CUSIP 00108J109 represent in this 13F holders report?

CUSIP 00108J109 is the security identifier for ACMR - ACM Research, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ACMR - ACM Research, Inc. - Common Stock in Q1 2021?

92 institutional investors reported ACMR - ACM Research, Inc. - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

ACM Research, Inc. - Common Stock (ACMR)

CUSIP: 00108J109

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 59,904,855
Total 13F shares: 7,259,073
Share change: +1,815,996
Total reported value: $586,489,643
Put/Call ratio: 325%
Price per share: $80.79
Number of holders: 92
Value change: +$146,266,911
Number of buys: 57
Number of sells: 52

Quarterly Holders Quick Answers

What is CUSIP 00108J109?
CUSIP 00108J109 identifies ACMR - ACM Research, Inc. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 00108J109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ACMR - ACM Research, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
INDUS CAPITAL PARTNERS, LLC	13F	Company	1.3%	793,199	$64,447,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	1.2%	735,918	$59,793,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	0.87%	518,950	$42,165,000	—	31 Dec 2020	13F
DISCOVERY CAPITAL MANAGEMENT, LLC / CT	13F	Company	0.6%	358,002	$29,088,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.39%	232,856	$18,920,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.38%	226,563	$18,408,000	—	31 Dec 2020	13F
HHLR ADVISORS, LTD.	13F	Company	0.36%	214,079	$17,394,000	—	31 Dec 2020	13F
One01 Capital, LP	13F	Company	0.34%	206,531	$16,781,000	—	31 Dec 2020	13F
MARSHALL WACE ASIA Ltd	13F	Company	0.3%	180,780	$14,688,000	—	31 Dec 2020	13F
KADENSA CAPITAL Ltd	13F	Company	0.27%	163,533	$13,287,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.21%	125,529	$10,199,000	—	31 Dec 2020	13F
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	13F	Company	0.2%	120,800	$9,815,000	—	31 Dec 2020	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.15%	87,965	$7,147,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.14%	82,863	$6,732,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	0.14%	81,816	$6,648,000	—	31 Dec 2020	13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC	13F	Company	0.14%	81,059	$6,586,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.11%	66,113	$5,372,000	—	31 Dec 2020	13F
FRIESS ASSOCIATES LLC	13F	Company	0.1%	62,419	$5,072,000	—	31 Dec 2020	13F
Korea Investment CORP	13F	Company	0.09%	55,729	$4,528,000	—	31 Dec 2020	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.09%	52,434	$4,260,000	—	31 Dec 2020	13F
Mitsubishi UFJ Trust & Banking Corp	13F	Company	0.09%	51,293	$4,168,000	—	31 Dec 2020	13F
NOMURA HOLDINGS INC	13F	Company	0.08%	50,831	$4,126,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.08%	47,834	$3,887,000	—	31 Dec 2020	13F
DEUTSCHE BANK AG\	13F	Company	0.08%	45,686	$3,712,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.08%	45,089	$3,664,000	—	31 Dec 2020	13F
Yiheng Capital Management, L.P.	13F	Company	0.07%	41,478	$3,370,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.07%	38,994	$3,168,000	—	31 Dec 2020	13F
Calamos Advisors LLC	13F	Company	0.06%	37,675	$3,061,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	0.06%	36,833	$2,993,000	—	31 Dec 2020	13F
Graticule Asia Macro Advisors LLC	13F	Company	0.06%	33,000	$2,681,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.05%	32,944	$2,677,000	—	31 Dec 2020	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.05%	31,193	$2,534,000	—	31 Dec 2020	13F
BARCLAYS PLC	13F	Company	0.05%	31,088	$2,526,000	—	31 Dec 2020	13F
Russell Investments Group, Ltd.	13F	Company	0.05%	30,810	$2,501,000	—	31 Dec 2020	13F
Allianz Asset Management GmbH	13F	Company	0.05%	30,004	$2,438,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.04%	25,800	$2,096,000	—	31 Dec 2020	13F
Oasis Management Co Ltd.	13F	Company	0.04%	24,352	$1,979,000	—	31 Dec 2020	13F
LMR Partners LLP	13F	Company	0.04%	23,651	$1,922,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.04%	23,558	$1,914,000	—	31 Dec 2020	13F
JANUS HENDERSON GROUP PLC	13F	Company	0.04%	22,290	$1,811,000	—	31 Dec 2020	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.03%	20,678	$1,680,000	—	31 Dec 2020	13F
TT International Asset Management LTD	13F	Company	0.03%	18,009	$1,463,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.03%	17,954	$1,459,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.03%	17,276	$1,404,000	—	31 Dec 2020	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.02%	14,514	$1,180,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.02%	14,011	$1,139,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.02%	13,716	$1,115,000	—	31 Dec 2020	13F
Marshall Wace North America L.P.	13F	Company	0.02%	13,424	$1,090,000	—	31 Dec 2020	13F
Fullerton Fund Management Co Ltd.	13F	Company	0.02%	12,995	$1,056,000	—	31 Dec 2020	13F
Verition Fund Management LLC	13F	Company	0.02%	12,576	$1,022,000	—	31 Dec 2020	13F

Institutional Holders of ACM Research, Inc. - Common Stock (ACMR) as of Q1 2021

As of 31 Mar 2021, ACM Research, Inc. - Common Stock (ACMR) was held by 92 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 7,259,073 shares. The largest 10 holders included BlackRock Inc., INDUS CAPITAL PARTNERS, LLC, Jericho Capital Asset Management L.P., WELLINGTON MANAGEMENT GROUP LLP, VANGUARD GROUP INC, BAMCO INC /NY/, HILLHOUSE CAPITAL ADVISORS, LTD., Allianz Asset Management GmbH, One01 Capital, LP, and MILLENNIUM MANAGEMENT LLC. This page lists 93 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

Q1 2021 holders

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.