ACMR

ACM Research, Inc.

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Technology · Semiconductor Equipment & Materials

$72.39

−$1.44−1.95%

2026-09-10T20:00:00.000Z · marketstack

3 of 47tracked managers hold this· Q2 2026

Aug 11, 2026$72.39

−$7.53−9.42%over 1M

Day range23% of range

$71.00$77.13

Session

Previous close: $73.83
Open: $71.18
Volume: 705.42K
Avg volume: -
Day high: $77.13
Day low: $71.00

Fundamentals

Visualize fundamentals and more

Market cap: 4.91B
P/E ratio: 34.62
EPS (TTM): $2.09
Dividend yield: -
Beta: 1.89
Shares outstanding: 67.89M

Source SEC EDGAR · 9/10/2026

Tracked investors

As of Q2 2026 · 73 days ago · next update ~14 Nov 2026· what moved this quarter, onMeasure

3 fund managers this platform follows disclosed a position here, from quarterly SEC filings up to 45 days old; a manager may have sold since without yet having to say so.

Mason Hawkins
Southeastern Asset Management
$17.7M
0.92%of book
Dodge & Cox
Dodge & Cox
$14.77M
0.01%of book

1 more holder, included withMeasure

Manager	Position	Share of their book	Last change
Mason Hawkins Southeastern Asset Management	$17.7M	0.92%
Dodge & Cox Dodge & Cox	$14.77M	0.01%

1 more holder, included withMeasure

Share price, with each quarter a tracked manager’s position changed shaded across the range it traded in.

4080120

now

Q3 '24

Q4 '24

Q1 '25

Q2 '25

Q3 '25

Q4 '25

Q1 '26

Q2 '26

Hover a shaded quarter to see it moved. Who, and the range they traded in, is onBespoke

13F filings cover US-listed shares only (not cash, bonds, shorts, or private holdings) and are never a recommendation to do the same.

Risk factors, year on year

Item 1AMarch 2026 10-KMarch 2025as filed.

added: 47
dropped: 53
re-drafted: 35

Out of 295 passages in this year’s Item 1A.

New this year

• Data Security . The Standing Committee of the National People’s Congress, or the Standing Committee, has promulgated the Cyber Security Law, which imposes requirements on entities who build and operate mainland China’s internet architecture or provide …

99 more passages, included withBespoke

Recent activity

32 more events, included withMeasure

Discussion

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Ask about ACM Research, Inc.

The assistant answers from what ACMR has actually filed: 10 annual reports filed with the SEC, 13F positions from the 3 tracked investors who hold it and 4 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from ACMR's filings and figures. One a day without an account; a free account has its own, and no card.

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What an account lets you do with ACM Research, Inc.

Separate the decisions from the paperwork
Every Form 4 ACMR insiders have filed, with vesting and automatic tax sales struck out: what's left is the buys and sells somebody actually chose to make.
Every filingMeasure
Watch the same stakes the professionals are watching
Every tracked position priced at the quarter it was filed and diffed against the one before it: who added, who trimmed, who walked away.
Every position they holdMeasure
Interrogate the filing, not the internet
Ask anything about ACM Research, Inc.'s fundamentals. The assistant answers from its own filings and cites the figure, never a guess from the open web.

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