Oasis Management Co Ltd.

Holdings History for ACM Research, Inc. - Common Stock (ACMR)

Symbol: ACMR on Nasdaq
Investment type: Equity / Common Stock

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	1.2%	0%	$9,230,826	233,988	0		$39.45	Q4 2025
30 Sep 2025	1.6%	-0.95%	$9,155,951	233,988	-142,773	-38%	$39.13	Q3 2025
30 Jun 2025	2.3%	+0.14%	$9,758,110	376,761	+23,052	+6.5%	$25.90	Q2 2025
31 Mar 2025	2.8%	-0.16%	$8,255,568	353,709	-20,000		$23.34	Q1 2025
31 Dec 2024	1.9%	+0.43%	$5,643,006	373,709	+85,830	+30%	$15.10	Q4 2024
30 Sep 2024	2.1%	+0.56%	$5,843,944	287,879	+75,879	+36%	$20.30	Q3 2024
30 Jun 2024	1.6%	+1.7%	$4,888,720	212,000	+212,000	NEW	$23.06	Q2 2024
31 Dec 2023		-2.9%	$0	0	-587,405	-100%	$57.04	Q4 2023
30 Sep 2023	2.9%	-1.2%	$10,634,968	587,405	-245,923	-30%	$18.11	Q3 2023
30 Jun 2023	3.8%	+0.03%	$10,899,930	833,328	+7,583	+0.92%	$13.08	Q2 2023
31 Mar 2023	1.8%	+1.7%	$9,661,217	825,745	+755,050	+1068%	$11.70	Q1 2023
31 Dec 2022	0.12%	0%	$545,058	70,695	0		$7.71	Q4 2022
30 Sep 2022	0.15%	0%	$881,000	70,695	0		$12.46	Q3 2022
30 Jun 2022	0.22%	0%	$1,190,000	70,695	0		$16.83	Q2 2022
31 Mar 2022	0.25%	+0.25%	$1,463,000	70,695	+70,695	NEW	$20.69	Q1 2022
30 Sep 2021		-0.15%	$0	0	-7,793	-100%	$57.04	Q3 2021
30 Jun 2021	0.15%	-0.3%	$797,000	7,793	-15,500	-67%	$102.27	Q2 2021
31 Mar 2021	0.34%	-0.02%	$1,882,000	23,293	-1,059	-4.3%	$80.80	Q1 2021
31 Dec 2020	0.38%	0%	$1,979,000	24,352	0		$81.27	Q4 2020
30 Sep 2020	1.2%	-0.56%	$1,683,000	24,352	-10,953	-31%	$69.11	Q3 2020
30 Jun 2020	1.6%	+0.07%	$2,202,000	35,305	+1,400	+4.1%	$62.37	Q2 2020
31 Mar 2020	0.85%	+0.85%	$1,004,000	33,905	+33,905	NEW	$29.61	Q1 2020

* 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.