ACMR — ACM RESEARCH INC - US
Public company
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
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.
Based on recent institutional activity in ACMR
How many top investors track ACMR
Only 1 tracked investor report this position.
ACMR Ownership Composition
How ACM RESEARCH INC - US is held across tracked investor types, based on reported 13F positions.
- Other100.0%
Tracked investors reporting ACMR
- Paul Tudor JonesMar 31, 2026Tudor Investment CorpShares35.3KValue$1.4M% Portfolio0.00%
Recent activity
- $2.1MFeb 17, 2026
- $1.4MMay 15, 2026
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.