Amphastar Pharmaceuticals shares owned by Northern Trust
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Northern Trust
from 13F filings
Historical chart of Northern Trust investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Northern Trust
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $11M | 400k | 26.65 |
| 2025-06-30 | $9.7M | 421k | 22.96 |
| 2025-03-31 | $17M | 594k | 28.99 |
| 2024-12-31 | $23M | 613k | 37.13 |
| 2024-09-30 | $28M | 583k | 48.53 |
| 2024-03-31 | $25M | 561k | 43.91 |
| 2023-09-30 | $26M | 559k | 45.99 |
| 2023-06-30 | $37M | 635k | 57.47 |
| 2023-03-31 | $24M | 649k | 37.50 |
| 2022-12-31 | $12M | 438k | 28.02 |
| 2022-09-30 | $12M | 415k | 28.11 |
| 2022-06-30 | $14M | 415k | 34.79 |
| 2022-03-31 | $15M | 404k | 35.91 |
| 2021-12-31 | $9.8M | 422k | 23.30 |
| 2021-09-30 | $8.0M | 423k | 19.00 |
| 2021-06-30 | $8.7M | 434k | 20.17 |
| 2021-03-31 | $8.4M | 460k | 18.16 |
| 2020-12-31 | $9.8M | 489k | 20.12 |
| 2020-09-30 | $9.6M | 511k | 18.74 |
| 2020-06-30 | $12M | 522k | 22.48 |
| 2020-03-31 | $7.4M | 501k | 14.85 |
| 2019-12-31 | $9.6M | 496k | 19.30 |
| 2019-09-30 | $11M | 533k | 19.85 |
| 2019-06-30 | $10M | 480k | 21.10 |
| 2019-03-31 | $9.7M | 474k | 20.43 |
| 2018-12-31 | $9.5M | 473k | 20.10 |
| 2018-09-30 | $9.2M | 480k | 19.24 |
| 2018-06-30 | $7.0M | 457k | 15.34 |
| 2018-03-31 | $8.8M | 467k | 18.75 |
| 2017-12-31 | $9.0M | 469k | 19.25 |
| 2017-09-30 | $8.6M | 480k | 17.86 |
| 2017-06-30 | $8.8M | 486k | 18.21 |
| 2017-03-31 | $7.0M | 476k | 14.63 |
| 2016-12-31 | $8.3M | 450k | 18.42 |
| 2016-09-30 | $8.3M | 439k | 18.98 |
| 2016-06-30 | $7.1M | 441k | 16.12 |
| 2016-03-31 | $4.6M | 386k | 11.99 |
| 2015-12-31 | $5.4M | 377k | 14.28 |
| 2015-09-30 | $4.0M | 339k | 11.68 |
| 2015-06-30 | $2.2M | 122k | 17.84 |
| 2015-03-31 | $1.4M | 94k | 14.96 |
| 2014-12-31 | $1.1M | 95k | 11.57 |
| 2014-09-30 | $259k | 22k | 11.66 |