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Equity · Technology

ACMR

NASDAQ

ACM Research (ACMR)

$50.54 +2.93% vs prior close Finazon · prior-day close, indicative (IEX-derived, not the official close) · Oct 23, 2026

Reddit mentioned ACMR 1 times in the 30 days to 25 October 2026, in 1 of the communities we track. All of them were scored for sentiment: 0% read bullish, 100% bearish and 0% neither. Reddit data updated 25 October 2026.

Price · Chart
64 sessions
$100 $40 27 Jul 23 Oct

The line runs $79.95 on 27 July through $50.54 on 23 October, on a scale from $40 to $100. Days the market did not trade hold the previous close, flat.

Track this symbol on TradingView TradingView chart · our licensed closes: 64 sessions, 27 Jul – 23 Oct 2026
Market cap $3.6B
P/E (TTM) 24.1
52-week range $30 – $127
Avg volume 63.8K
Mentions · 30d 1

as of Oct 23, 2026

ACM Research (ACMR) · crowd attention × price

Share ↗
Post on X Share on Reddit Share on LinkedIn
1 mentions

Day14 Oct 2026

MENTIONS10–2 / day
PRICE$61.13$40–$100
ACMR over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed.per day012usd$40$60$80$10026 Sep3 Oct11 Oct18 Oct25 Oct
ACMR over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed.26 Sep11 Oct25 Oct
The Distributed Sentinel 25 Oct 2026

ACMR drew 1 Reddit mentions over the 30 days to 25 October 2026

This chart in words

The chart plots daily Reddit mentions of ACMR over the 30 days to 25 October 2026: 1 in total, busiest on 14 October with 1, and 1 on the last day counted. The line is the daily close over the same window: $76 on 28 September, $50.54 on 23 October. Of those days, 20 were trading sessions and the other 10 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 2 of them no session took place, and this window holds no earlier close to carry forward.

ACM Research (ACMR) on Reddit · 30d

n = 1 scored · Method

In the 30 days to 25 Oct 2026, ACM Research drew 1 Reddit mention in the finance subreddits we track, 1 of them scored for sentiment.

1 mention of ACMR was scored for sentiment in these 30 days, so that one reading IS the sample. A bullish or bearish share of it could only ever read 0% or 100%, which states the sample size and not the crowd — so none is drawn. The chart on this page applies the same 5-mention floor to every day it plots.

Where ACMR is discussed

(30d)
r/wallstreetbets 100% 1 −0.63

ACM Research (ACMR) insider trades

SEC Form 4 · last 90 days · newest reported trade 9 Sep 2026

In the 90 days to 25 Oct 2026, ACM Research insiders reported 4 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 27 Oct 2025, show no open-market purchase.

Open-market buys 0
Open-market sells 4
Net sold $15.30M
Non-trade filings 4
Date Insider Type Shares Value
09 Sep 2026 Wang David H See Remarks Sell 70,000 $5.22M
08 Sep 2026 Wang David H See Remarks Sell 70,000 $5.41M
20 Aug 2026 McKechnie Mark See Remarks Sell 55,199 $4.26M
18 Aug 2026 Dun Haiping Director Sell 5,000 $406K

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
09 Sep 2026 Wang David H See Remarks Option exercise 70,000 $70K
08 Sep 2026 Wang David H See Remarks Option exercise 70,000 $70K
20 Aug 2026 McKechnie Mark See Remarks Option exercise 55,199 $936K
18 Aug 2026 Dun Haiping Director Option exercise 5,000 $28K

ACM Research (ACMR) reported financials

SEC EDGAR XBRL SEC EDGAR

ACM Research reported revenue of $901.3M for the fiscal year ended 31 Dec 2025. Net income over the same period was $94.1M.

Figure Reported Period
Revenue $901.3M 31 Dec 2025 fiscal year
Net income $94.1M 31 Dec 2025 fiscal year
Diluted EPS $1.37 31 Dec 2025 fiscal year
Total assets $3.4B 30 Jun 2026 at period end
Total equity $1.9B 30 Jun 2026 at period end

ACM Research (ACMR) earnings

SEC EDGAR

ACM Research last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of $1.23; the next report is scheduled for 28 Oct 2026 (SEC filings).

Date Period EPS Revenue
30 Jun 2026 Q2 2026 $1.23 —
31 Mar 2026 Q1 2026 $0.24 —
31 Dec 2025 FY 2025 $1.37 —
30 Sep 2025 Q3 2025 $0.52 —
30 Jun 2025 Q2 2025 $0.44 —
31 Mar 2025 Q1 2025 $0.30 —
31 Dec 2024 FY 2024 $1.53 —
30 Sep 2024 Q3 2024 $0.45 —

Next report 28 Oct 2026

Reported figures & scheduled dates · SEC EDGAR filings

ACM Research (ACMR) institutional holders (13F)

SEC Form 13F SEC EDGAR

9 of the 45 institutional funds we track reported a ACM Research position for the quarter ended 30 Jun 2026 — a combined $204.1M; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
Citadel Advisors Added +213.1% shares 636,836 $80.8M
AQR Capital Management Held (±25%) −2.9% shares 314,172 $39.9M
Renaissance Technologies Added +87.4% shares 229,800 $29.2M
Two Sigma Investments Added +305.5% shares 212,544 $27.0M
Millennium Management Added +114.3% shares 140,501 $17.8M
D. E. Shaw & Co. New position 33,500 $4.3M
Soros Fund Management New position 30,122 $3.8M
Marshall Wace Held (±25%) −1.6% shares 5,637 $715K
Maverick Capital New position 5,315 $674K
Balyasny Asset Management Exited

ACM Research (ACMR) fails-to-deliver

SEC CNS data SEC

On 21 Sep 2026, 679 shares of ACM Research failed to deliver (about $47K).

Settlement date Shares failed Notional % of shares out
21 Sep 2026 679 $47K 0.001%

ACM Research (ACMR): frequently asked questions

From live data

Have ACM Research insiders bought or sold shares recently?

In the 90 days to 25 Oct 2026, ACM Research insiders reported 4 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 27 Oct 2025, show no open-market purchase. A further 4 filings were grants, awards, gifts or exercises rather than open-market trades.

How many institutions hold ACM Research?

9 of the 45 institutional funds we track reported a ACM Research position for the quarter ended 30 Jun 2026, per SEC Form 13F filings.

Has ACM Research had fails-to-deliver recently?

Yes. The most recent SEC fails-to-deliver record for ACM Research is dated 21 Sep 2026, when 679 shares failed to deliver.

When did ACM Research last report earnings?

ACM Research last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of $1.23; the next report is scheduled for 28 Oct 2026 (SEC filings).

What exchange is ACM Research listed on?

ACM Research trades on NASDAQ under the ticker ACMR.

What is Reddit saying about ACM Research?

ACM Research was mentioned 0 times in the last 7 days across the finance subreddits we track, and 1 times over the trailing 30 days. Of 1 classified mentions, 0% read bullish, 100% bearish and 0% neutral. Crowd sentiment is a social signal, not investment advice.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

Sources

  1. Finazonprior-day close, indicative (IEX-derived, not the official close), most closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
  5. SEC EDGARSEC EDGAR 13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARValuation computed from SEC EDGAR filings