Amphastar Pharmaceuticals shares owned by Martingale Asset Management
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Martingale Asset Management
from 13F filings
Historical chart of Martingale Asset Management investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Martingale Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $2.4M | 39k | 61.85 |
| 2023-09-30 | $1.8M | 40k | 45.99 |
| 2023-06-30 | $2.4M | 42k | 57.47 |
| 2023-03-31 | $1.6M | 42k | 37.50 |
| 2022-12-31 | $1.3M | 46k | 28.02 |
| 2022-09-30 | $1.8M | 66k | 28.10 |
| 2022-06-30 | $2.6M | 75k | 34.80 |
| 2022-03-31 | $3.0M | 83k | 35.91 |
| 2021-12-31 | $2.4M | 102k | 23.30 |
| 2021-09-30 | $2.1M | 110k | 19.01 |
| 2021-06-30 | $997k | 49k | 20.17 |
| 2021-03-31 | $356k | 19k | 18.35 |
| 2020-12-31 | $398k | 20k | 20.17 |
| 2020-09-30 | $1.9M | 103k | 18.75 |
| 2020-06-30 | $4.8M | 213k | 22.46 |
| 2020-03-31 | $3.2M | 213k | 14.84 |
| 2019-12-31 | $4.0M | 210k | 19.29 |
| 2019-09-30 | $4.3M | 214k | 19.83 |
| 2019-06-30 | $4.2M | 201k | 21.11 |
| 2019-03-31 | $4.5M | 220k | 20.43 |
| 2018-12-31 | $4.1M | 204k | 19.90 |
| 2018-09-30 | $2.0M | 106k | 19.25 |
| 2016-09-30 | $1.4M | 73k | 18.97 |
| 2016-06-30 | $1.0M | 65k | 16.12 |
| 2016-03-31 | $1.1M | 90k | 12.00 |
| 2015-12-31 | $1.3M | 90k | 14.23 |
| 2015-09-30 | $1.1M | 92k | 11.70 |
| 2015-06-30 | $498k | 28k | 17.59 |
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