Amphastar Pharmaceuticals In call shares owned by Group One Trading
Quarter-by-quarter ownership of Amphastar Pharmaceuticals In call shares owned by Group One Trading
from 13F filings
Historical chart of Group One Trading investment in Amphastar Pharmaceuticals In call
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Quarterly reported holdings in Amphastar Pharmaceuticals In call by Group One Trading
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $45k | 1.7k | 26.65 |
| 2025-06-30 | $23k | 1.0k | 22.96 |
| 2024-12-31 | $3.7k | 100 | 37.13 |
| 2024-09-30 | $214k | 4.4k | 48.53 |
| 2024-06-30 | $28k | 700 | 40.00 |
| 2024-03-31 | $132k | 3.0k | 43.91 |
| 2023-09-30 | $83k | 1.8k | 45.99 |
| 2023-06-30 | $29k | 500 | 57.47 |
| 2022-12-31 | $8.4k | 300 | 28.02 |
| 2022-09-30 | $14k | 500 | 28.00 |
| 2022-06-30 | $90k | 2.6k | 34.62 |
| 2022-03-31 | $25k | 700 | 35.71 |
| 2016-09-30 | $101k | 5.3k | 19.06 |
| 2016-06-30 | $40k | 2.5k | 16.00 |
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