ACM Research, Inc. (ACMR) is up 13.8% today. Here is some analysis on what might have caused this price movement.
Analysis: The move appears tied to a recently posted investor-relations activity record from ACM’s Shanghai operating subsidiary that highlighted strong order growth and increasing interest in its high-temperature SPM cleaning tools. Investors may also be re-rating the shares after the company’s strong Q1 results and its maintained FY2026 revenue outlook.
Details:
Sources:
ACM Research (investor relations / SEC filings), U.S. SEC, StockAnalysis.com
Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.
$ACMR Insider Trading Activity
$ACMR insiders have traded $ACMR stock on the open market 33 times in the past 6 months. Of those trades, 0 have been purchases and 33 have been sales.
Here’s a breakdown of recent trading of $ACMR stock by insiders over the last 6 months:
- DAVID H WANG (See Remarks) has made 0 purchases and 9 sales selling 240,000 shares for an estimated $9,515,881.
- MARK MCKECHNIE (See Remarks) has made 0 purchases and 9 sales selling 129,801 shares for an estimated $5,583,458.
- FUPING CHEN (See remarks) has made 0 purchases and 3 sales selling 120,000 shares for an estimated $3,981,156.
- TRACY LIU has made 0 purchases and 4 sales selling 60,000 shares for an estimated $2,850,781.
- LISA FENG (See remarks) has made 0 purchases and 4 sales selling 30,000 shares for an estimated $1,441,290.
- CHARLES C PAPPIS has made 0 purchases and 2 sales selling 10,000 shares for an estimated $510,450.
- HAIPING DUN has made 0 purchases and 2 sales selling 5,000 shares for an estimated $217,363.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$ACMR Hedge Fund Activity
We have seen 148 institutional investors add shares of $ACMR stock to their portfolio, and 182 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- TRIATA CAPITAL LTD removed 1,929,919 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $75,942,312
- WCM INVESTMENT MANAGEMENT, LLC added 1,849,914 shares (+16878.8%) to their portfolio in Q1 2026, for an estimated $72,794,115
- LSV ASSET MANAGEMENT removed 1,835,214 shares (-77.1%) from their portfolio in Q1 2026, for an estimated $72,215,670
- INVESCO LTD. added 1,095,634 shares (+444.5%) to their portfolio in Q4 2025, for an estimated $43,222,761
- JANUS HENDERSON GROUP PLC added 1,011,088 shares (+1406.4%) to their portfolio in Q4 2025, for an estimated $39,887,421
- VALUE ALIGNED RESEARCH ADVISORS, LLC added 955,927 shares (+inf%) to their portfolio in Q1 2026, for an estimated $37,615,727
- SOUTHEASTERN ASSET MANAGEMENT INC/TN/ removed 897,281 shares (-53.4%) from their portfolio in Q1 2026, for an estimated $35,308,007
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
