Institutional shares held 36.1 Million
1.23M calls
1.8M puts
Total value of holdings $954M
$32.6M calls
$47.7M puts
Market Cap $1.45B
54,181,200 Shares Out.
Institutional ownership 66.61%
# of Institutions 204


Latest Institutional Activity in ACMR

Top Purchases

Q4 2024
Kerrisdale Advisers, LLC Shares Held: 1.95M ($52.2M)
Q4 2024
Mitsubishi Ufj Trust & Banking Corp Shares Held: 1.47M ($39.4M)
Q4 2024
Panview Capital LTD Shares Held: 1.37M ($36.8M)
Q4 2024
Ubs Asset Management Americas Inc Shares Held: 1.17M ($31.5M)
Q4 2024
Ubs Group Ag Shares Held: 1.13M ($30.3M)

Top Sells

Q4 2024
Morgan Stanley Shares Held: 412K ($11.1M)
Q4 2024
Voloridge Investment Management, LLC Shares Held: 88.5K ($2.37M)
Q4 2024
Millennium Management LLC Shares Held: 26K ($696K)
Q4 2024
Nuveen Asset Management, LLC Shares Held: 130K ($3.49M)
Q4 2024
Steamboat Capital Partners, LLC Shares Held: 749K ($20.1M)

About ACMR

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 deliver megasonic energy in a uniform manner on a microscopic level; timely energized bubble oscillation technology for patterned wafer surfaces at advanced process nodes, which provides cleaning for 2D and 3D patterned wafers; Tahoe technology for delivering cleaning performance using less sulfuric acid and hydrogen peroxide; and electro-chemical plating technology for advanced metal plating. The company markets and sells its products under the Ultra C brand name through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.


Insider Transactions at ACMR

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
984K Shares
From 7 Insiders
Exercise of conversion of derivative security 984K shares
Sell / Disposition
3.5M Shares
From 12 Insiders
Payment of exercise price or tax liability 17.3K shares
Bona fide gift 400K shares
Open market or private sale 3.08M shares

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