Amphastar Pharmaceuticals In shares owned by Calamos Advisors
Quarter-by-quarter ownership of Amphastar Pharmaceuticals In shares owned by Calamos Advisors
from 13F filings
Historical chart of Calamos Advisors investment in Amphastar Pharmaceuticals In
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Quarterly reported holdings in Amphastar Pharmaceuticals In by Calamos Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $9.1M | 10M | 0.91 |
| 2025-06-30 | $8.7M | 10M | 0.87 |
| 2025-03-31 | $8.9M | 10M | 0.89 |
| 2024-12-31 | $9.3M | 10M | 0.93 |
| 2024-09-30 | $11M | 10M | 1.06 |