Group One Trading, L.P. Acm Research, Inc. Transaction History

Group One Trading, L.P.

$2.81 Billion
Q3 2025

A detailed history of Group One Trading, L.P. transactions in Acm Research, Inc. stock. As of the latest transaction made, Group One Trading, L.P. holds 135,856 shares of ACMR stock, worth $4.31 Million. This represents 0.19% of its overall portfolio holdings.

Number of Shares

135,856

Previous 28,454 377.46%

Holding current value

$4.31 Million

Previous $736,000 622.28%

% of portfolio

0.19%

Previous 0.03%

13 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 12, 2025	BUY	$23.92 - $39.13 $2.57 Million - $4.2 Million	107,402 Added 377.46%	135,856 $5.32 Million
Q2 2025 Aug 13, 2025	BUY	$18.33 - $26.51 $86,352 - $124,888	4,711 Added 19.84%	28,454 $736,000
Q1 2025 May 14, 2025	SELL	$15.41 - $29.98 $256,006 - $498,057	-16,613 Reduced 41.17%	23,743 $554,000
Q4 2024 Feb 14, 2025	BUY	$14.1 - $23.6 $388,596 - $650,416	27,560 Added 215.38%	40,356 $609,000
Q3 2024 Nov 14, 2024	BUY	$15.01 - $25.52 $17,381 - $29,552	1,158 Added 9.95%	12,796 $259,000

Q2 2024 Aug 14, 2024	BUY	$20.6 - $32.04 $239,742 - $372,881	11,638 New	11,638 $268,000
Q3 2023 Nov 09, 2023	BUY	$11.97 - $19.63 $59,514 - $97,600	4,972 New	4,972 $90,000
Q2 2022 Aug 11, 2022	SELL	$11.63 - $22.07 $3.87 Million - $7.35 Million	-332,962 Closed	0 $0
Q1 2022 May 12, 2022	BUY	$15.36 - $29.83 $5.11 Million - $9.93 Million	332,962 New	332,962 $6.89 Million
Q2 2021 Aug 10, 2021	SELL	$21.41 - $35.58 $731,172 - $1.22 Million	-34,151 Closed	0 $0
Q1 2021 May 12, 2021	BUY	$26.1 - $46.66 $824,968 - $1.47 Million	31,608 Added 1242.94%	34,151 $2.76 Million
Q4 2020 Feb 10, 2021	SELL	$22.31 - $31.33 $465,029 - $653,042	-20,844 Reduced 89.13%	2,543 $207,000
Q3 2020 Nov 12, 2020	BUY	$19.66 - $37.43 $459,788 - $875,375	23,387 New	23,387 $1.62 Million

Others Institutions Holding ACMR

# of Institutions

296

Shares Held

39.3M

Call Options Held

3.32M

Put Options Held

2.29M

View Full List

About ACM Research, Inc.

Ticker ACMR
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 54,181,200
Market Cap $1.72B
Description
ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to...

More about ACMR

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Group One Trading, L.P., based on Form 13F filings with the SEC.

News

Stay updated on Group One Trading, L.P. with notifications on news.

Account

Group One Trading, L.P. Acm Research, Inc. Transaction History