Calamos Advisors LLC
- SEC CIK
- 0001316507
- Latest filing
- Jul 31, 2026
ACMR holding history
ACM Research, Inc. in every 13F filed by Calamos Advisors 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 Q2 2026 holdings
- Shares (Q4 2024)
- 0
- Sold out in Q4 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 11
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2024 | 0 | $0 | 0.0% | −92,630−100.0% | Sold out | Holders |
| Q3 2024 | 92,630 | $1.88M | <0.1% | +22,983+33.0% | Added | Holders |
| Q2 2024 | 69,647 | $1.61M | <0.1% | −2,517−3.5% | Reduced | Holders |
| Q1 2024 | 72,164 | $2.10M | <0.1% | −7,970−9.9% | Reduced | Holders |
| Q4 2023 | 80,134 | $1.57M | <0.1% | +20,009+33.3% | Added | Holders |
| Q3 2023 | 60,125 | $1.09M | <0.1% | +60,125 | New | Holders |
| Q2 2023 | 0 | $0 | 0.0% | −10,627−100.0% | Sold out | Holders |
| Q1 2023 | 10,627 | $124.3K | <0.1% | +10,627 | New | Holders |
| Q2 2022 | 0 | $0 | 0.0% | −91,028−100.0% | Sold out | Holders |
| Q1 2022 | 91,028 | $1.88M | <0.1% | −5,698−5.9% | ReducedConverted for a 3-for-1 split | Holders |
| Q4 2021 | 32,242 | $2.75M | <0.1% | −3,920−10.8% | Reduced | Holders |
| Q3 2021 | 36,162 | $3.98M | <0.1% | +18,273+102.1% | Added | Holders |
| Q2 2021 | 17,889 | $1.83M | <0.1% | −11,305−38.7% | Reduced | Holders |
| Q1 2021 | 29,194 | $2.36M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.