Amphastar Pharmaceuticals shares owned by Sei Investments
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Sei Investments
from 13F filings
Historical chart of Sei Investments investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Sei Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $320k | 12k | 26.71 |
| 2025-06-30 | $292k | 13k | 23.04 |
| 2025-03-31 | $276k | 9.6k | 28.82 |
| 2024-12-31 | $1.0M | 28k | 37.06 |
| 2024-09-30 | $2.0M | 41k | 48.53 |
| 2024-03-31 | $1.3M | 31k | 43.97 |
| 2023-09-30 | $1.2M | 27k | 45.99 |
| 2023-06-30 | $355k | 6.2k | 57.41 |
| 2023-03-31 | $545k | 14k | 37.76 |
| 2022-09-30 | $721k | 26k | 28.14 |
| 2022-06-30 | $2.1M | 61k | 34.79 |
| 2022-03-31 | $1.4M | 40k | 35.91 |
| 2020-12-31 | $1.1M | 55k | 20.11 |
| 2020-09-30 | $1.7M | 90k | 18.75 |
| 2020-06-30 | $1.6M | 82k | 19.29 |
| 2020-03-31 | $1.1M | 74k | 14.84 |
| 2019-12-31 | $1.6M | 82k | 19.29 |
| 2019-09-30 | $1.7M | 85k | 19.83 |
| 2019-06-30 | $1.8M | 85k | 21.10 |
| 2019-03-31 | $1.3M | 62k | 20.44 |
| 2018-12-31 | $1.9M | 101k | 19.24 |
| 2018-09-30 | $1.3M | 68k | 19.24 |
| 2018-06-30 | $1.0M | 68k | 15.26 |
| 2018-03-31 | $0 | 65k | 0.00 |
| 2017-12-31 | $1.3M | 67k | 19.24 |
| 2017-09-30 | $1.3M | 72k | 17.87 |
| 2017-06-30 | $1.3M | 72k | 17.85 |
| 2017-03-31 | $1.5M | 103k | 14.50 |
| 2016-12-31 | $12k | 511 | 22.73 |
| 2016-09-30 | $8.0k | 400 | 20.00 |