CM Management, LLC
- SEC CIK
- 0001841857
- Latest filing
- Aug 13, 2026
AMSC holding history
American Superconductor Corp in every 13F filed by CM Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMSC overviewAll 13F holders of AMSCFull Q2 2026 holdings
- Shares (Q2 2024)
- 0
- Sold out in Q2 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 11
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2024 | 0 | $0 | 0.0% | −250,000−100.0% | Sold out | Holders |
| Q1 2024 | 250,000 | $3.38M | 2.8% | +55,000+28.2% | Added | Holders |
| Q4 2023 | 195,000 | $2.17M | 1.7% | −5,000−2.5% | Reduced | Holders |
| Q3 2023 | 200,000 | $1.51M | 1.6% | −150,000−42.9% | Reduced | Holders |
| Q2 2023 | 350,000 | $2.19M | 2.1% | 00.0% | Unchanged | Holders |
| Q1 2023 | 350,000 | $1.72M | 2.0% | +20,000+6.1% | Added | Holders |
| Q4 2022 | 330,000 | $1.21M | 1.4% | +30,000+10.0% | Added | Holders |
| Q3 2022 | 300,000 | $1.31M | 1.5% | +80,000+36.4% | Added | Holders |
| Q2 2022 | 220,000 | $1.14M | 1.2% | +100,000+83.3% | Added | Holders |
| Q1 2022 | 120,000 | $913.0K | 0.8% | +40,000+50.0% | Added | Holders |
| Q4 2021 | 80,000 | $870.0K | 0.7% | +50,000+166.7% | Added | Holders |
| Q3 2021 | 30,000 | $437.0K | 0.3% | +30,000 | New | Holders |