Amphastar Pharmaceuticals shares owned by Wellington Management Company
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Wellington Management Company
from 13F filings
Historical chart of Wellington Management Company investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Wellington Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $458k | 17k | 26.65 |
| 2025-06-30 | $359k | 16k | 22.96 |
| 2025-03-31 | $490k | 17k | 28.99 |
| 2024-12-31 | $660k | 18k | 37.13 |
| 2024-09-30 | $957k | 20k | 48.53 |
| 2017-03-31 | $282k | 19k | 14.51 |
| 2016-12-31 | $832k | 45k | 18.42 |
| 2016-09-30 | $566k | 30k | 18.98 |
More positions owned by Wellington Management Company
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