Amphastar Pharmaceuticals shares owned by Voloridge Investment Management
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Voloridge Investment Management
from 13F filings
Historical chart of Voloridge Investment Management investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Voloridge Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $7.8M | 292k | 26.65 |
| 2025-06-30 | $7.5M | 326k | 22.96 |
| 2025-03-31 | $6.3M | 216k | 28.99 |
| 2024-12-31 | $5.3M | 143k | 37.13 |
| 2024-09-30 | $6.0M | 123k | 48.53 |
| 2024-06-30 | $8.1M | 202k | 40.00 |
| 2024-03-31 | $9.7M | 222k | 43.91 |
| 2023-12-31 | $14M | 229k | 61.85 |
| 2023-09-30 | $17M | 371k | 45.99 |
| 2023-06-30 | $11M | 188k | 57.47 |
| 2023-03-31 | $2.7M | 73k | 37.50 |
| 2022-12-31 | $2.7M | 95k | 28.02 |
| 2022-09-30 | $4.6M | 162k | 28.10 |
| 2022-06-30 | $6.2M | 177k | 34.79 |
| 2022-03-31 | $3.4M | 94k | 35.90 |
| 2020-09-30 | $854k | 46k | 18.75 |
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