UBS Oconnor LLC
- SEC CIK
- 0001132716
- Latest filing
- Aug 14, 2026
ACMR holding history
ACM Research, Inc. in every 13F filed by UBS Oconnor LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ACMR overviewAll 13F holders of ACMRFull Q4 2025 holdings
- Shares (Q4 2025)
- 35,958
- Value
- $1.42M
- % of portfolio
- <0.1%
- Quarters held
- 4
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2025 | 35,958 | $1.42M | <0.1% | −43,438−54.7% | Reduced | Holders |
| Q3 2025 | 79,396 | $3.11M | 0.1% | −12,725−13.8% | Reduced | Holders |
| Q2 2025 | 92,121 | $2.39M | 0.1% | +92,121 | New | Holders |
| Q3 2021 | 0 | $0 | 0.0% | −5,000−100.0% | Sold out | Holders |
| Q2 2021 | 5,000 | $511.0K | <0.1% | +5,000 | New | Holders |