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 | 17,695 | 0.1% | 44,498 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 17,781 | 0.1% | 38,994 | 9/30/2025 |
| 2025 Q2 | 7/15/2025 | 12,637 | 0.0% | 38,752 | 6/30/2025 |
| 2025 Q1 | 5/14/2025 | 10,711 | 0.0% | 39,669 | 3/31/2025 |
| 2024 Q4 | 2/19/2025 | 10,414 | 0.0% | 44,257 | 12/31/2024 |
| 2024 Q3 | 11/15/2024 | 13,322 | 0.1% | 48,437 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 12,566 | 0.0% | 51,712 | 6/30/2024 |
| 2024 Q1 | 5/15/2024 | 7,704 | 0.0% | 51,548 | 3/31/2024 |
| 2023 Q4 | 2/16/2024 | 10,607 | 0.0% | 55,417 | 12/31/2023 |
| 2023 Q3 | 12/19/2023 | 9,682 | 0.0% | 54,670 | 9/30/2023 |
| 2023 Q2 | 12/19/2023 | 11,445 | 0.0% | 60,258 | 6/30/2023 |
| 2023 Q1 | 12/19/2023 | 13,091 | 0.1% | 65,349 | 3/31/2023 |
| 2022 Q4 | 12/19/2023 | 16,184 | 0.1% | 68,099 | 12/31/2022 |
| 2022 Q3 | 11/15/2022 | 12,288 | 0.1% | 61,392 | 9/30/2022 |
| 2022 Q2 | 8/15/2022 | 8,918 | 0.0% | 61,148 | 6/30/2022 |
| 2022 Q1 | 5/16/2022 | 10,346 | 0.0% | 63,361 | 3/31/2022 |
| 2021 Q4 | 2/15/2022 | 10,987 | 0.0% | 64,791 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 12,652 | 0.0% | 67,010 | 9/30/2021 |
| 2021 Q2 | 8/16/2021 | 11,351 | 0.0% | 66,961 | 6/30/2021 |
| 2021 Q1 | 5/14/2021 | 8,789 | 0.0% | 62,249 | 3/31/2021 |
| 2020 Q4 | 2/12/2021 | 7,374 | 0.0% | 56,733 | 12/31/2020 |
| 2020 Q3 | 11/16/2020 | 6,668 | 0.0% | 45,797 | 9/30/2020 |
| 2020 Q2 | 8/17/2020 | 6,457 | 0.0% | 43,596 | 6/30/2020 |
| 2020 Q1 | 5/13/2020 | 4,671 | 0.0% | 42,912 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 4,145 | 0.0% | 35,990 | 12/31/2019 |