InvestorLens

ACMR — ACM RESEARCH INC - US

Public company

Sign in to save1 tracked investor reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying ACMR?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
95
Institutional Conviction
Net accumulation · 1 buying vs 0 selling last quarter
60
Macro Tailwind
Macro conditions are mixed for this sector
52
Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their ACMR position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 52/100 in a Squeeze regime).

Supporting evidence
  • +1 tracked investor added or increased positions last quarter (Paul Tudor Jones)
  • +1 tracked investors reported holding ACMR at their latest filing
Contradicting evidence — always shown
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/5/2026.

About ACM RESEARCH INC - US (ACMR)

ACM RESEARCH INC - US (ACMR) appears in the most recent 13F filings of 1 tracked institutional investor. The largest disclosed position is held by Paul Tudor Jones (Tudor Investment Corp), valued at $2M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ACMR

100
/100
Strong Institutional Accumulation
Added / Increased2
Reduced0
Exited0
BearishBullish
Crowded Trade Score™

How many top investors track ACMR

7
/100
Undiscovered
1investor

Only 1 tracked investor report this position.

UndiscoveredCrowded
151015+

ACMR Ownership Composition

How ACM RESEARCH INC - US is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
100% of tracked value
Institutions
1
tracked investors
Total Reported
$1.4M
combined 13F value
Sectors1
  • Other100.0%
Other(1)
100.0%

Tracked investors reporting ACMR

  • Paul Tudor JonesMar 31, 2026
    Tudor Investment Corp
    Shares
    35.3K
    Value
    $1.4M
    % Portfolio
    0.00%

Recent activity

Frequently asked questions

How many institutional investors hold ACMR?
1 tracked institutional investor disclosed a position in ACMR (ACM RESEARCH INC - US) in their most recent 13F filing.
Who is the largest institutional holder of ACMR?
Paul Tudor Jones, Tudor Investment Corp, holds the largest disclosed position in ACMR, valued at $2M.
Did institutional ownership of ACMR increase or decrease?
Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 0 fully exited ACMR.
Where does this ACMR ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
ACMR (ACM RESEARCH INC - US) — Institutional Holders & 13F — InvestorLens