Amphastar Pharmaceuticals shares owned by AQR Capital Management
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by AQR Capital Management
from 13F filings
Historical chart of AQR Capital Management investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by AQR Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.7M | 62k | 26.65 |
| 2025-06-30 | $1.7M | 76k | 22.96 |
| 2025-03-31 | $1.6M | 54k | 28.98 |
| 2024-12-31 | $1.1M | 30k | 37.13 |
| 2024-09-30 | $2.0M | 42k | 48.53 |
| 2024-06-30 | $2.2M | 56k | 40.00 |
| 2024-03-31 | $2.5M | 57k | 44.00 |
| 2023-12-31 | $788k | 13k | 61.85 |
| 2023-09-30 | $1.3M | 29k | 45.99 |
| 2023-06-30 | $3.4M | 59k | 57.47 |
| 2023-03-31 | $4.2M | 111k | 37.50 |
| 2022-12-31 | $3.2M | 113k | 28.02 |
| 2022-09-30 | $2.7M | 95k | 28.10 |
| 2022-06-30 | $1.2M | 35k | 34.80 |
| 2022-03-31 | $485k | 14k | 35.93 |
| 2021-12-31 | $246k | 11k | 23.26 |
| 2021-09-30 | $366k | 19k | 18.99 |
| 2021-06-30 | $401k | 20k | 20.18 |
| 2021-03-31 | $449k | 25k | 18.31 |
| 2020-12-31 | $737k | 37k | 20.11 |
| 2020-09-30 | $984k | 53k | 18.75 |
| 2020-06-30 | $1.7M | 76k | 22.46 |
| 2020-03-31 | $1.3M | 89k | 14.83 |
| 2019-12-31 | $744k | 39k | 19.29 |
| 2019-09-30 | $796k | 40k | 19.83 |
| 2019-06-30 | $391k | 19k | 21.13 |
| 2019-03-31 | $442k | 22k | 20.45 |
| 2018-12-31 | $440k | 22k | 19.91 |
| 2018-09-30 | $300k | 20k | 15.26 |
| 2018-06-30 | $300k | 20k | 15.26 |
| 2018-03-31 | $384k | 21k | 18.73 |
| 2017-12-31 | $394k | 21k | 19.22 |
| 2017-09-30 | $436k | 24k | 17.86 |
| 2017-06-30 | $1.2M | 66k | 17.86 |
| 2017-03-31 | $1.4M | 100k | 14.50 |
| 2016-12-31 | $1.7M | 93k | 18.42 |
| 2016-09-30 | $2.0M | 107k | 18.97 |
| 2016-06-30 | $640k | 40k | 16.12 |
| 2016-03-31 | $262k | 22k | 11.99 |
| 2015-12-31 | $388k | 27k | 14.24 |
| 2015-09-30 | $283k | 24k | 11.71 |