Stock overview
Acm Research Inc - US
Explore the company, reported ownership, price history, and available source evidence.
ACM Research makes wafer cleaning and other front-end processing equipment for semiconductor manufacturers.
ACMR · USD
Price
Close · Sep 15, 2026
Intraday prices unavailable for this session. Showing the latest stored daily close.
- Range low
- $63.94
- Range high
- $63.94
- Observations
- 1
- Session date
- Sep 15, 2026
View price observations (1)
| Observation | Price |
|---|---|
| · Final close | $63.94 |
Sep 15, 2026. Regular market hours only. Historical prices are unadjusted; splits and other corporate actions can affect comparisons.
Investor Popularity
Rows are narrowed by movement, fund type, and position size.
| Fund | Move | Value | Weight |
|---|---|---|---|
| Renaissance Technologies largest tracked holder Q2 2026 · filed Aug 13, 2026 · SEC filing | +87% 26'Q2 | $29,159,322 | 0.04% |
| Gotham Asset Management position history Q2 2026 · filed Aug 14, 2026 · SEC filing | Newly reported 26'Q2 | $382,827 | 0% |
SEC Forms 4/5
Insiders
SEC fundamentals
Financials
Official-source analysis
AI Earnings Report
No published AI Earnings Report yet
We publish a cited AI Earnings Report after an eligible official earnings filing is accepted and passes validation.
Options market