Portolan Capital Management, LLC Acm Research, Inc. Transaction History
Portolan Capital Management, LLC
- $1.6 Billion
- Q3 2025
A detailed history of Portolan Capital Management, LLC transactions in Acm Research, Inc. stock. As of the latest transaction made, Portolan Capital Management, LLC holds 405,860 shares of ACMR stock, worth $12.9 Million. This represents 0.99% of its overall portfolio holdings.
Number of Shares
405,860Holding current value
$12.9 Million% of portfolio
0.99%Shares
6 transactions
Others Institutions Holding ACMR
# of Institutions
296Shares Held
39.3MCall Options Held
3.32MPut Options Held
2.29M-
Vanguard Group Inc Valley Forge, PA4.85MShares$154 Million0.0% of portfolio
-
Black Rock Inc. New York, NY4.07MShares$129 Million0.0% of portfolio
-
Lsv Asset Management Chicago, IL2.5MShares$79.5 Million0.22% of portfolio
-
Triata Capital LTD Hong Kong, K32MShares$63.6 Million9.15% of portfolio
-
State Street Corp Boston, MA1.99MShares$63.2 Million0.0% of portfolio
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...