ACM Research, Inc.

ACMR

Exchange: Nasdaq
Industry: Special Industry Machinery, NEC
SEC CIK: 0001680062

SEC filings (opens in a new tab)

In the last 90 days, ACM Research, Inc. insiders filed 0 open-market purchases and 3 sales; 377 institutions reported holding it in 13F filings for Q2 2026, worth $6.11B in total; 3 superinvestors hold it, including Southeastern Asset Management (Longleaf) and Soros Fund Management.

Q2 2021 vs. Q1 2021

How the institutions holding ACM Research, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021 All holders in Q1 2021

13F holders of ACMR: Q1 2021 compared with Q2 2021
Measure	Q1 2021	Of which not filed for Q2 2021	Q2 2021	Change
Holders	94	2	94	+2
Shares	7.26M	14.1K	7.37M	+125.4K (+1.7%)
Value	$586.5M	$1.14M	$753.5M	+$168.1M (+28.7%)

2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held ACM Research, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ACMR in Q2 2021
Institution	Shares	Value	% of portfolio
Yiheng Capital Management, L.P.	844,200	$86.3M	3.47%
Healthcare of Ontario Pension Plan Trust Fund	63,355	$6.48M	0.01%
Chiron Investment Management, LLC	57,988	$5.93M	0.71%
Friess Associates LLC	57,100	$5.84M	2.20%
Harvest Fund Management Co., Ltd	48,429	$4.93M	0.53%
Schonfeld Strategic Advisors LLC	21,200	$2.17M	0.02%
Holocene Advisors, LP	19,560	$2.00M	0.01%
L & S Advisors Inc	17,922	$1.83M	0.20%
Penserra Capital Management LLC	11,306	$1.16M	0.02%
Wolverine Trading, LLC	10,642	$1.13M	0.03%
Amundi	9,479	$969.0K	0.00%
Dymon Asia Capital (Singapore) Pte. Ltd.	8,487	$868.0K	0.91%
Handelsbanken Fonder AB	5,500	$562.0K	0.00%
UBS Oconnor LLC	5,000	$511.0K	0.00%
Stifel Financial Corp	4,955	$507.0K	0.00%
Keywise Capital Management (HK) Ltd	3,900	$399.0K	0.10%
Infini Master Fund	2,800	$286.0K	0.31%
Infini Capital Management Ltd	2,800	$286.0K	0.31%
Man Group plc	2,689	$275.0K	0.00%
HighTower Advisors, LLC	2,520	$257.0K	0.00%
Commonwealth Equity Services, LLC	2,314	$236.0K	0.00%
Parametric Portfolio Associates LLC	2,067	$211.0K	0.00%
SG Americas Securities, LLC	1,192	$122.0K	0.00%
JTC Employer Solutions Trusteee Ltd	1,000	$95.0K	0.01%
Quantbot Technologies LP	100	$10.0K	0.00%
Advisory Services Network, LLC	85	$9.00K	0.00%

Sold out (24)

Institutions that held ACM Research, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of ACMR in Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
Driehaus Capital Management LLC	184,779	$14.9M
FMR LLC	75,774	$6.12M
ExodusPoint Capital Management, LP	41,809	$3.38M
Group One Trading, L.P.	34,151	$2.76M
HRT Financial LP	28,635	$2.31M
Point72 Hong Kong Ltd	24,501	$1.98M
Principal Financial Group Inc	22,394	$1.81M
California Public Employees Retirement System	20,800	$1.68M
Balyasny Asset Management LLC	13,021	$1.05M
Simplex Trading, LLC	10,480	$846.0K
Point72 Asset Management, L.P.	10,000	$808.0K
Vontobel Holding Ltd.	6,600	$533.0K
Victory Capital Management Inc	6,074	$491.0K
Oberweis Asset Management Inc	6,000	$485.0K
Blueshift Asset Management, LLC	5,506	$445.0K
Paloma Partners Management Co	3,058	$247.0K
Tudor Investment Corp Et Al	2,980	$241.0K
Engineers Gate Manager LP	2,850	$230.0K
Virtu Financial LLC	2,821	$228.0K
M&T Bank Corp	2,657	$215.0K
Marshall Wace North America L.P.	2,612	$211.0K
FORA Capital, LLC	847	$68.0K
Parallax Volatility Advisers, L.P.	639	$52.0K
Wealthcare Capital Management LLC	3	$0

Not filed for Q2 2021 yet (2)

Institutions that held ACM Research, Inc. at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ACMR in Q1 2021 that haven't filed for Q2 2021
Institution	Shares, Q1 2021	Value, Q1 2021
Amundi Asset Management US, Inc.	9,479	$766.0K
Money Concepts Capital Corp	4,655	$376.0K