Calamos Advisors LLC
- SEC CIK
- 0001316507
- Latest filing
- Jul 31, 2026
AMPH holding history
Amphastar Pharmaceuticals, 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.
AMPH overviewAll 13F holders of AMPHFull Q2 2026 holdings
- Shares (Q1 2024)
- 0
- Sold out in Q1 2024
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q1 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2024 | 0 | $0 | 0.0% | −19,479−100.0% | Sold out | Holders |
| Q4 2023 | 19,479 | $1.20M | <0.1% | +19,479 | New | Holders |
| Q3 2022 | 0 | $0 | 0.0% | −100,942−100.0% | Sold out | Holders |
| Q2 2022 | 100,942 | $3.51M | <0.1% | +6,299+6.7% | Added | Holders |
| Q1 2022 | 94,643 | $3.40M | <0.1% | +94,643 | New | Holders |