Alnylam Pharmaceuticals, Inc.
2019 Q4 - 2025 Q4 (25 filings)
Shares History
History scope: non-option holdings only (PUT/CALL rows excluded).
| All 13F Holders | Filing date | Value ($000s) | % of Holdings | Shares | Reporting period |
|---|---|---|---|---|---|
| 2025 Q4 | 2/17/2026 | 102,876 | 0.1% | 258,711 | 12/31/2025 |
| 2025 Q3 | 11/13/2025 | 62,167 | 0.0% | 136,331 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 11,583 | 0.0% | 35,520 | 6/30/2025 |
| 2025 Q1 | 5/15/2025 | 16,345 | 0.0% | 60,532 | 3/31/2025 |
| 2024 Q4 | 2/13/2025 | 40,949 | 0.0% | 174,021 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 94,846 | 0.1% | 344,858 | 9/30/2024 |
| 2024 Q2 | 8/12/2024 | 68,996 | 0.1% | 283,933 | 6/30/2024 |
| 2024 Q1 | 5/14/2024 | 40,918 | 0.0% | 273,790 | 3/31/2024 |
| 2023 Q4 | 2/14/2024 | 46,512 | 0.1% | 242,998 | 12/31/2023 |
| 2023 Q3 | 11/9/2023 | 26,795 | 0.0% | 151,298 | 9/30/2023 |
| 2023 Q2 | 8/9/2023 | 31,815 | 0.0% | 167,498 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 33,894 | 0.1% | 169,198 | 3/31/2023 |
| 2022 Q4 | 2/14/2023 | 14,764 | 0.0% | 62,123 | 12/31/2022 |
| 2022 Q3 | 11/14/2022 | 14,248 | 0.0% | 71,183 | 9/30/2022 |
| 2022 Q2 | 8/12/2022 | 71 | 0.0% | 490 | 6/30/2022 |
| 2022 Q1 | 5/13/2022 | 165 | 0.0% | 1,013 | 3/31/2022 |
| 2021 Q4 | 2/14/2022 | 9,520 | 0.0% | 56,137 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 17,236 | 0.0% | 91,288 | 9/30/2021 |
| 2021 Q2 | 11/16/2021 | 6,728 | 0.0% | 39,690 | 6/30/2021 |
| 2021 Q1 | 8/16/2021 | 16,711 | 0.0% | 118,357 | 3/31/2021 |
| 2020 Q4 | 2/17/2021 | 1,329 | 0.0% | 10,225 | 12/31/2020 |
| 2020 Q3 | 11/12/2020 | 2,413 | 0.0% | 16,573 | 9/30/2020 |
| 2020 Q2 | 8/14/2020 | 10,617 | 0.0% | 71,686 | 6/30/2020 |
| 2020 Q1 | 5/13/2020 | 8,117 | 0.0% | 74,572 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 8,588 | 0.0% | 74,572 | 12/31/2019 |