Alnylam Pharmaceuticals shares owned by Rock Springs Capital Management
Quarter-by-quarter ownership of Alnylam Pharmaceuticals (ALNY) shares owned by Rock Springs Capital Management
from 13F filings
Historical chart of Rock Springs Capital Management investment in Alnylam Pharmaceuticals
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Quarterly reported holdings in Alnylam Pharmaceuticals by Rock Springs Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-06-30 | $61M | 250k | 243.00 |
| 2024-03-31 | $41M | 277k | 149.45 |
| 2023-09-30 | $50M | 280k | 177.10 |
| 2023-06-30 | $66M | 345k | 189.94 |
| 2023-03-31 | $69M | 345k | 200.32 |
| 2022-12-31 | $79M | 333k | 237.65 |
| 2022-09-30 | $67M | 333k | 200.16 |
| 2022-06-30 | $49M | 333k | 145.85 |
| 2022-03-31 | $54M | 333k | 163.29 |
| 2021-12-31 | $56M | 333k | 169.58 |
| 2021-09-30 | $59M | 311k | 188.81 |
| 2021-06-30 | $51M | 300k | 169.52 |
| 2021-03-31 | $42M | 300k | 141.19 |
| 2020-12-31 | $44M | 335k | 129.97 |
| 2020-09-30 | $50M | 340k | 145.60 |
| 2020-06-30 | $51M | 345k | 148.11 |
| 2020-03-31 | $42M | 382k | 108.85 |
| 2019-12-31 | $42M | 364k | 115.17 |
| 2019-09-30 | $27M | 331k | 80.42 |
| 2019-06-30 | $24M | 328k | 72.56 |
| 2019-03-31 | $22M | 234k | 93.45 |
| 2018-12-31 | $14M | 194k | 72.91 |
| 2018-09-30 | $17M | 197k | 87.52 |
| 2018-06-30 | $17M | 174k | 98.49 |
| 2018-03-31 | $17M | 143k | 119.10 |
| 2017-12-31 | $17M | 130k | 127.05 |
| 2017-09-30 | $12M | 105k | 117.49 |
| 2017-06-30 | $8.4M | 105k | 79.76 |
More positions owned by Rock Springs Capital Management
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