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All holdings

Acm Research

ACMR

Source: the SEC Form 13F filings of the managers we follow, latest for Q3 2026. How we use them

Managers holding
2
In their latest 13F (Q3 2026)
See who
Value held
$32.5m
Combined value at quarter end
Last quarter
0 bought
2 sold or trimmed
Price at Q2 ’26 end
$126.89

Prices here are quarter-end prices implied by the 13F filings. Today’s price on Yahoo Finance

Share price change by quarter

-25.6%Q4 ’24
+54.6%Q1 ’25
+11.0%Q2 ’25
+51.1%Q3 ’25
+0.8%Q4 ’25
-0.3%Q1 ’26
Q4 ’24: -25.6%; Q1 ’25: +54.6%; Q2 ’25: +11.0%; Q3 ’25: +51.1%; Q4 ’25: +0.8%; Q1 ’26: -0.3%

Change in the quarter-end price implied by managers’ 13F filings, adjusted for stock splits. Excludes dividends.

Managers holding it, by quarter

0Q4 ’23
0Q1 ’24
0Q2 ’24
1Q3 ’24
1Q4 ’24
1Q1 ’25
2Q2 ’25
2Q3 ’25
2Q4 ’25
2Q1 ’26
2Q2 ’26
0Q3 ’26
Q4 ’23: 0; Q1 ’24: 0; Q2 ’24: 0; Q3 ’24: 1; Q4 ’24: 1; Q1 ’25: 1; Q2 ’25: 2; Q3 ’25: 2; Q4 ’25: 2; Q1 ’26: 2; Q2 ’26: 2; Q3 ’26: 0

Counts the managers on this site whose 13F for that quarter includes Acm Research.

Who holds it

Each manager’s latest 13F, sorted by how much of their portfolio it is. Changes are against their previous quarter.

Managers holding Acm Research
Southeastern Asset Management0.9%$17.7m$17.7mTrimmed -82%5 qtrs
Dodge & Cox0.0%$14.8m$14.8mTrimmed -2.9%8 qtrs

Download the holders: CSV · JSON · Markdown

Directors buying and selling

Open-market trades by directors, officers and 10% holders over the last 12 months. How this works
From their Form 4 filings with the SEC. Grants, option exercises and shares sold to pay tax are left out.
Insider purchases and sales of Acm Research
Bought or soldFiling
9 Sep 2026Wang David HSee Remarks▼ Sold33,493$73.80$2.5mForm 4
9 Sep 2026Wang David HSee Remarks▼ Sold18,934$74.67$1.4mForm 4
9 Sep 2026Wang David HSee Remarks▼ Sold11,666$75.58$882kForm 4
9 Sep 2026Wang David HSee Remarks▼ Sold4,807$76.73$369kForm 4
9 Sep 2026Wang David HSee Remarks▼ Sold1,100$77.59$85kForm 4
8 Sep 2026Wang David HSee Remarks▼ Sold51,374$77.15$4.0mForm 4
8 Sep 2026Wang David HSee Remarks▼ Sold12,323$78.08$962kForm 4
8 Sep 2026Wang David HSee Remarks▼ Sold4,803$75.99$365kForm 4
8 Sep 2026Wang David HSee Remarks▼ Sold1,500$78.57$118kForm 4
20 Aug 2026Mckechnie MarkSee Remarks▼ Sold30,365$77.45$2.4mForm 4
20 Aug 2026Mckechnie MarkSee Remarks▼ Sold13,625$76.34$1.0mForm 4
20 Aug 2026Mckechnie MarkSee Remarks▼ Sold11,209$77.89$873kForm 4
18 Aug 2026Dun HaipingDirector▼ Sold3,400$81.31$276kForm 4
18 Aug 2026Dun HaipingDirector▼ Sold1,200$80.29$96kForm 4
18 Aug 2026Dun HaipingDirector▼ Sold400$82.17$33kForm 4

About the company

Sector
Industrials · Special Industry Machinery, Nec
Incorporated in
California
Financial year ends
31 December
Shares outstanding
14m at 8 Mar 2019
SEC filings
Annual reports and other filings on EDGAR

Revenue and profit

$27.4m2016
$36.5m2017
$74.6m2018
$108m2019
$157m2020
$260m2021
$389m2022
$558m2023
$782m2024
$901m2025
2016: $27.4m; 2017: $36.5m; 2018: $74.6m; 2019: $108m; 2020: $157m; 2021: $260m; 2022: $389m; 2023: $558m; 2024: $782m; 2025: $901m
Acm Research revenue and net income by year
YearRevenueNet income
2025$901m$94.1m
2024$782m$104m
2023$558m$77.3m
2022$389m$39.3m
2021$260m$37.8m
2020$157m$18.8m
2019$108m$18.9m
2018$74.6m$6.6m
2017$36.5m−$318k
2016$27.4m$1.0m

From the company’s XBRL financial statements filed with the SEC, for each financial year. Gaps mean the company didn’t report that figure in a standard form.