Amphastar Pharmaceuticals shares owned by Charles Schwab Investment Management
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Charles Schwab Investment Management
from 13F filings
Historical chart of Charles Schwab Investment Management investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Charles Schwab Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-09-30 | $17M | 350k | 48.53 |
| 2024-06-30 | $14M | 359k | 40.00 |
| 2024-03-31 | $16M | 356k | 43.91 |
| 2023-12-31 | $24M | 380k | 61.85 |
| 2023-09-30 | $16M | 352k | 45.99 |
| 2023-06-30 | $19M | 328k | 57.47 |
| 2023-03-31 | $12M | 330k | 37.50 |
| 2022-12-31 | $9.2M | 327k | 28.02 |
| 2022-09-30 | $8.6M | 307k | 28.10 |
| 2022-06-30 | $11M | 315k | 34.79 |
| 2022-03-31 | $9.6M | 268k | 35.90 |
| 2021-12-31 | $6.1M | 261k | 23.29 |
| 2021-09-30 | $4.8M | 253k | 19.01 |
| 2021-06-30 | $5.1M | 253k | 20.16 |
| 2021-03-31 | $4.5M | 248k | 18.32 |
| 2020-12-31 | $4.9M | 242k | 20.11 |
| 2020-09-30 | $4.4M | 237k | 18.75 |
| 2020-06-30 | $5.1M | 228k | 22.46 |
| 2020-03-31 | $3.3M | 220k | 14.84 |
| 2019-12-31 | $4.2M | 216k | 19.29 |
| 2019-09-30 | $4.2M | 212k | 19.83 |
| 2019-06-30 | $4.5M | 212k | 21.11 |
| 2019-03-31 | $3.9M | 190k | 20.43 |
| 2018-12-31 | $3.8M | 193k | 19.90 |
| 2018-09-30 | $3.8M | 195k | 19.24 |
| 2018-06-30 | $3.0M | 194k | 15.26 |
| 2018-03-31 | $3.4M | 183k | 18.75 |
| 2017-12-31 | $3.6M | 186k | 19.24 |
| 2017-09-30 | $3.4M | 188k | 17.87 |
| 2017-06-30 | $3.9M | 218k | 17.86 |
| 2017-03-31 | $2.9M | 203k | 14.50 |
| 2016-12-31 | $3.1M | 166k | 18.42 |
| 2016-09-30 | $3.0M | 158k | 18.97 |
| 2016-06-30 | $1.2M | 73k | 16.13 |
| 2016-03-31 | $638k | 53k | 12.01 |
| 2015-12-31 | $756k | 53k | 14.23 |
| 2015-09-30 | $502k | 43k | 11.69 |
| 2015-06-30 | $755k | 43k | 17.59 |
| 2015-03-31 | $190k | 13k | 14.96 |
| 2014-12-31 | $148k | 13k | 11.65 |
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