Amphastar Pharmaceuticals shares owned by Vanguard Group
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Vanguard Group
from 13F filings
Historical chart of Vanguard Group investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Vanguard Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $174M | 2.8M | 61.85 |
| 2023-09-30 | $127M | 2.8M | 45.99 |
| 2023-06-30 | $159M | 2.8M | 57.47 |
| 2023-03-31 | $99M | 2.7M | 37.50 |
| 2022-12-31 | $74M | 2.6M | 28.02 |
| 2022-06-30 | $89M | 2.6M | 34.79 |
| 2022-03-31 | $89M | 2.5M | 35.90 |
| 2021-09-30 | $48M | 2.5M | 19.01 |
| 2021-06-30 | $50M | 2.5M | 20.17 |
| 2021-03-31 | $47M | 2.6M | 18.32 |
| 2020-12-31 | $50M | 2.5M | 20.11 |
| 2020-09-30 | $45M | 2.4M | 18.75 |
| 2020-06-30 | $54M | 2.4M | 22.46 |
| 2020-03-31 | $35M | 2.4M | 14.84 |
| 2019-12-31 | $46M | 2.4M | 19.29 |
| 2019-09-30 | $49M | 2.4M | 20.00 |
| 2019-03-31 | $48M | 2.3M | 20.43 |
| 2018-12-31 | $46M | 2.3M | 20.00 |
| 2018-09-30 | $43M | 2.2M | 19.23 |
| 2018-06-30 | $35M | 2.3M | 15.27 |
| 2018-03-31 | $44M | 2.3M | 18.75 |
| 2017-12-31 | $44M | 2.3M | 19.23 |
| 2017-09-30 | $43M | 2.4M | 18.00 |
| 2017-06-30 | $43M | 2.4M | 17.85 |
| 2017-03-31 | $32M | 2.2M | 14.51 |
| 2016-12-31 | $40M | 2.2M | 18.40 |
| 2016-09-30 | $35M | 1.8M | 18.97 |
| 2016-06-30 | $24M | 1.5M | 16.11 |
| 2015-12-31 | $18M | 1.3M | 14.23 |
| 2015-09-30 | $14M | 1.2M | 11.70 |
| 2015-06-30 | $18M | 1.0M | 17.58 |
| 2015-03-31 | $13M | 853k | 14.93 |
| 2014-12-31 | $1.8M | 156k | 11.59 |
| 2014-09-30 | $566k | 49k | 11.59 |