Jim Simons Acm Research, Inc. Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Acm Research, Inc. stock. As of the latest transaction made, Renaissance Technologies LLC holds 299,925 shares of ACMR stock, worth $9.52 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares

299,925

Previous 37,000 710.61%

Holding current value

$9.52 Million

Previous $958,000 1125.05%

% of portfolio

0.02%

Previous 0.0%

10 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$23.92 - $39.13 $6.29 Million - $10.3 Million	262,925 Added 710.61%	299,925 $11.7 Million
Q2 2025 Aug 13, 2025	BUY	$18.33 - $26.51 $678,209 - $980,870	37,000 New	37,000 $958,000
Q1 2024 May 13, 2024	BUY	$15.84 - $33.91 $2.31 Million - $4.94 Million	145,800 New	145,800 $4.25 Million
Q4 2022 Feb 13, 2023	BUY	$5.96 - $13.4 $665,136 - $1.5 Million	111,600 New	111,600 $860,000
Q2 2022 Aug 12, 2022	SELL	$11.63 - $22.07 $1.11 Million - $2.11 Million	-95,800 Closed	0 $0

Q1 2022 May 13, 2022	BUY	$15.36 - $29.83 $176,640 - $343,045	11,500 Added 13.64%	95,800 $1.98 Million
Q4 2021 Feb 11, 2022	BUY	$23.45 - $39.23 $1.98 Million - $3.31 Million	84,300 New	84,300 $7.19 Million
Q4 2019 Feb 13, 2020	SELL	$4.2 - $6.54 $208,320 - $324,384	-49,600 Closed	0 $0
Q3 2019 Nov 13, 2019	SELL	$4.59 - $6.34 $3,672 - $5,072	-800 Reduced 1.59%	49,600 $687,000
Q2 2019 Aug 12, 2019	BUY	$5.05 - $7.12 $254,520 - $358,848	50,400 New	50,400 $787,000

Others Institutions Holding ACMR

# of Institutions

295

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

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