Amphastar Pharmaceuticals shares owned by Henderson Group
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Henderson Group
from 13F filings
Historical chart of Henderson Group investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Henderson Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $10M | 165k | 61.85 |
| 2023-09-30 | $5.2M | 113k | 45.97 |
| 2023-06-30 | $5.6M | 97k | 57.47 |
| 2023-03-31 | $3.9M | 104k | 37.50 |
| 2022-12-31 | $216k | 7.7k | 28.02 |
| 2022-03-31 | $13M | 364k | 35.90 |
| 2021-12-31 | $23M | 973k | 23.29 |
| 2021-09-30 | $18M | 971k | 19.01 |
| 2021-06-30 | $11M | 555k | 20.16 |