Amphastar Pharmaceuticals shares owned by Two Sigma Investments
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Two Sigma Investments
from 13F filings
Historical chart of Two Sigma Investments investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Two Sigma Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $2.6M | 99k | 26.65 |
| 2025-06-30 | $1.8M | 80k | 22.96 |
| 2025-03-31 | $2.2M | 75k | 28.99 |
| 2024-12-31 | $3.6M | 98k | 37.13 |
| 2024-09-30 | $4.8M | 99k | 48.53 |
| 2024-06-30 | $3.9M | 96k | 40.00 |
| 2024-03-31 | $4.3M | 97k | 43.91 |
| 2023-12-31 | $2.6M | 42k | 61.85 |
| 2023-09-30 | $4.4M | 96k | 45.99 |
| 2023-06-30 | $1.7M | 30k | 57.47 |
| 2022-06-30 | $738k | 21k | 34.81 |
| 2021-03-31 | $1.6M | 88k | 18.32 |
| 2020-09-30 | $3.5M | 189k | 18.75 |
| 2020-06-30 | $1.2M | 53k | 22.47 |
| 2019-06-30 | $674k | 32k | 21.12 |
| 2018-12-31 | $517k | 26k | 19.88 |
| 2018-03-31 | $838k | 45k | 18.76 |
| 2016-12-31 | $1.4M | 79k | 18.42 |
| 2016-09-30 | $2.4M | 129k | 18.97 |
| 2016-06-30 | $2.2M | 135k | 16.12 |
| 2016-03-31 | $1.4M | 116k | 12.00 |
| 2015-12-31 | $1.1M | 76k | 14.23 |
| 2015-09-30 | $478k | 41k | 11.69 |
| 2015-06-30 | $3.8M | 218k | 17.58 |
| 2015-03-31 | $1.3M | 87k | 14.97 |
| 2014-12-31 | $460k | 40k | 11.60 |