Amphastar Pharmaceuticals shares owned by Russell Investments
Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Russell Investments
from 13F filings
Historical chart of Russell Investments investment in Amphastar Pharmaceuticals
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Quarterly reported holdings in Amphastar Pharmaceuticals by Russell Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $68k | 3.4k | 19.59 |
| 2025-12-31 | $100k | 3.7k | 26.78 |
| 2025-09-30 | $204k | 7.7k | 26.65 |
| 2025-06-30 | $19k | 835 | 22.96 |
| 2025-03-31 | $60k | 2.1k | 28.99 |
| 2024-12-31 | $7.3k | 196 | 37.13 |
| 2024-09-30 | $146k | 3.0k | 48.54 |
| 2024-06-30 | $121k | 3.0k | 40.00 |
| 2024-03-31 | $1.5M | 34k | 43.94 |
| 2023-12-31 | $3.9M | 64k | 61.86 |
| 2023-09-30 | $6.0M | 131k | 45.99 |
| 2023-06-30 | $2.1M | 37k | 57.47 |
| 2023-03-31 | $1.4M | 36k | 37.50 |
| 2022-12-31 | $2.0M | 73k | 28.02 |
| 2022-09-30 | $2.0M | 71k | 28.07 |
| 2022-06-30 | $7.9M | 228k | 34.76 |
| 2022-03-31 | $5.5M | 154k | 35.87 |
| 2021-12-31 | $3.0M | 128k | 23.29 |
| 2021-09-30 | $3.2M | 168k | 18.97 |
| 2021-06-30 | $7.0k | 391 | 17.90 |
| 2021-03-31 | $657k | 36k | 18.30 |
| 2020-12-31 | $172k | 8.6k | 20.00 |
| 2020-09-30 | $161k | 8.6k | 18.72 |
| 2020-06-30 | $407k | 18k | 22.44 |
| 2020-03-31 | $115k | 7.8k | 14.74 |
| 2019-09-30 | $317k | 16k | 19.81 |
| 2019-06-30 | $472k | 22k | 21.07 |
| 2019-03-31 | $395k | 19k | 20.44 |
| 2018-12-31 | $377k | 19k | 19.88 |
| 2018-09-30 | $96k | 5.0k | 19.30 |
| 2018-06-30 | $200k | 13k | 15.27 |
| 2018-03-31 | $911k | 49k | 18.47 |
| 2017-12-31 | $1.2M | 63k | 19.75 |
| 2017-09-30 | $1.2M | 69k | 17.87 |
| 2017-06-30 | $1.3M | 73k | 17.97 |
| 2017-03-31 | $2.2M | 150k | 14.38 |
| 2016-12-31 | $5.8M | 317k | 18.38 |