News + Filings Holdings
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D. E. Shaw & Co., Inc.
> AMPH
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Amphastar Pharmaceuticals, Inc. | AMPH | 123,599 | 65,651 | 7,103,235,000 | 5,479,532,000 | $57,470.00 |
| 12/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 57,948 | 69 | 1,623,703,000 | 1,622,077,000 | $28,020.00 |
| 09/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 57,879 | -3,856 | 1,626,000 | -522,000 | $28.09 |
| 06/30/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 61,735 | -3,404 | 2,148,000 | -190,000 | $34.79 |
| 03/31/2022 | Amphastar Pharmaceuticals, Inc. | AMPH | 65,139 | 38,370 | 2,338,000 | 1,715,000 | $35.89 |
| 12/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 26,769 | 26,769 | 623,000 | 623,000 | $23.27 |
| 09/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -35,699 | 0 | -720,000 | |
| 06/30/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 35,699 | 17,921 | 720,000 | 394,000 | $20.17 |
| 03/31/2021 | Amphastar Pharmaceuticals, Inc. | AMPH | 17,778 | 4,891 | 326,000 | 67,000 | $18.34 |
| 12/31/2020 | Amphastar Pharmaceuticals, Inc. | AMPH | 12,887 | 12,887 | 259,000 | 259,000 | $20.10 |
| 09/30/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 0 | -14,208 | 0 | -229,000 | |
| 06/30/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 14,208 | 14,208 | 229,000 | 229,000 | $16.12 |
| 03/31/2016 | Amphastar Pharmaceuticals, Inc. | AMPH | 22,501 | 22,501 | 270,000 | 270,000 | $12.00 |
| 12/31/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 101,475 | 101,475 | 1,444,000 | 1,444,000 | $14.23 |
| 09/30/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 17,322 | 17,322 | 202,000 | 202,000 | $11.66 |
| 06/30/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 31,432 | 31,432 | 553,000 | 553,000 | $17.59 |
| 03/31/2015 | Amphastar Pharmaceuticals, Inc. | AMPH | 35,902 | 35,902 | 537,000 | 537,000 | $14.96 |
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