Amphastar Pharmaceuticals shares owned by State of Wisconsin Investment Board
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by State of Wisconsin Investment Board
from 13F filings
Historical chart of State of Wisconsin Investment Board investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by State of Wisconsin Investment Board
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $569k | 21k | 26.65 |
| 2025-06-30 | $582k | 25k | 22.96 |
| 2025-03-31 | $742k | 26k | 28.99 |
| 2024-12-31 | $952k | 26k | 37.13 |
| 2024-09-30 | $2.9M | 59k | 48.53 |
| 2024-06-30 | $1.3M | 31k | 40.00 |
| 2024-03-31 | $3.4M | 78k | 43.91 |
| 2023-12-31 | $2.6M | 43k | 61.85 |
| 2023-09-30 | $2.0M | 43k | 45.99 |
| 2023-06-30 | $1.9M | 33k | 57.47 |
| 2023-03-31 | $1.3M | 35k | 37.50 |
| 2022-12-31 | $1.1M | 39k | 28.02 |
| 2022-09-30 | $1.1M | 39k | 28.10 |
| 2022-06-30 | $1.4M | 42k | 34.79 |
| 2022-03-31 | $1.8M | 51k | 35.91 |
| 2021-12-31 | $1.2M | 51k | 23.28 |
| 2021-09-30 | $962k | 51k | 19.01 |
| 2021-06-30 | $1.0M | 51k | 20.16 |
| 2021-03-31 | $927k | 51k | 18.32 |
| 2020-12-31 | $1.0M | 51k | 20.12 |
| 2020-09-30 | $1.1M | 57k | 18.75 |
| 2020-06-30 | $1.3M | 57k | 22.46 |
| 2020-03-31 | $821k | 55k | 14.85 |
| 2019-12-31 | $1.0M | 54k | 19.29 |
| 2019-09-30 | $1.1M | 54k | 19.83 |
| 2019-06-30 | $1.1M | 51k | 21.12 |
| 2019-03-31 | $977k | 48k | 20.44 |
| 2018-12-31 | $734k | 37k | 19.89 |
| 2018-09-30 | $696k | 36k | 19.23 |
| 2018-06-30 | $552k | 36k | 15.25 |
| 2018-03-31 | $525k | 28k | 18.75 |
| 2017-12-31 | $539k | 28k | 19.25 |
| 2017-09-30 | $500k | 28k | 17.86 |
| 2017-06-30 | $500k | 28k | 17.86 |
More positions owned by State of Wisconsin Investment Board
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