Amphastar Pharmaceuticals shares owned by Parallel Advisors
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Parallel Advisors
from 13F filings
Historical chart of Parallel Advisors investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Parallel Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-06-30 | $60k | 3.0k | 20.18 |
| 2026-03-31 | $13k | 657 | 19.59 |
| 2025-12-31 | $1.8k | 68 | 26.78 |
| 2025-09-30 | $2.3k | 86 | 26.65 |
| 2025-06-30 | $6.9k | 302 | 22.96 |
| 2025-03-31 | $1.7k | 58 | 28.98 |
| 2024-12-31 | $407 | 11 | 37.09 |
| 2024-09-30 | $534 | 11 | 48.55 |
| 2024-06-30 | $440 | 11 | 40.00 |
| 2024-03-31 | $878 | 20 | 43.90 |
| 2023-12-31 | $5.9k | 95 | 61.85 |
| 2023-09-30 | $4.4k | 95 | 45.99 |
| 2023-06-30 | $5.5k | 95 | 57.47 |
| 2023-03-31 | $3.6k | 95 | 37.51 |
| 2022-12-31 | $364 | 13 | 28.00 |
| 2022-09-30 | $0 | 13 | 0.00 |
| 2022-06-30 | $1.0k | 19 | 52.63 |
| 2022-03-31 | $0 | 13 | 0.00 |
| 2021-12-31 | $3.0k | 113 | 26.55 |
| 2021-09-30 | $2.0k | 109 | 18.35 |