Amphastar Pharmaceuticals shares owned by Two Sigma Advisers
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Two Sigma Advisers
from 13F filings
Historical chart of Two Sigma Advisers investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Two Sigma Advisers
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $608k | 23k | 26.65 |
| 2025-06-30 | $2.2M | 95k | 22.96 |
| 2025-03-31 | $2.5M | 85k | 28.99 |
| 2024-12-31 | $3.2M | 86k | 37.13 |
| 2024-09-30 | $4.8M | 98k | 48.53 |
| 2024-06-30 | $4.2M | 106k | 40.00 |
| 2024-03-31 | $5.5M | 126k | 43.91 |
| 2023-12-31 | $7.9M | 127k | 61.85 |
| 2023-09-30 | $3.9M | 85k | 45.99 |
| 2023-06-30 | $4.2M | 73k | 57.47 |
| 2023-03-31 | $2.2M | 59k | 37.50 |
| 2022-12-31 | $2.3M | 80k | 28.02 |
| 2022-09-30 | $2.5M | 91k | 28.10 |
| 2022-06-30 | $3.9M | 111k | 34.79 |
| 2022-03-31 | $851k | 24k | 35.91 |
| 2021-12-31 | $408k | 18k | 23.31 |
| 2021-09-30 | $316k | 17k | 19.04 |
| 2021-06-30 | $351k | 17k | 20.17 |
| 2021-03-31 | $707k | 39k | 18.32 |
| 2020-12-31 | $835k | 42k | 20.12 |
| 2020-09-30 | $2.9M | 157k | 18.75 |
| 2019-09-30 | $442k | 22k | 19.82 |
| 2019-06-30 | $737k | 35k | 21.12 |
| 2019-03-31 | $505k | 25k | 20.45 |
| 2018-12-31 | $275k | 14k | 19.93 |
| 2018-03-31 | $229k | 12k | 18.77 |
| 2017-09-30 | $184k | 10k | 17.86 |
| 2017-06-30 | $238k | 13k | 17.89 |
| 2017-03-31 | $880k | 61k | 14.50 |
| 2016-12-31 | $1.6M | 88k | 18.42 |
| 2016-09-30 | $2.0M | 104k | 18.97 |
| 2016-06-30 | $1.9M | 117k | 16.12 |
| 2016-03-31 | $1.5M | 122k | 12.00 |
| 2015-12-31 | $1.7M | 118k | 14.23 |
| 2015-09-30 | $1.5M | 126k | 11.84 |
| 2015-06-30 | $3.1M | 175k | 17.58 |
| 2015-03-31 | $375k | 25k | 14.94 |