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 | 1/26/2026 | 19,669 | 0.1% | 49,462 | 12/31/2025 |
| 2025 Q3 | 11/3/2025 | 2,809 | 0.0% | 6,160 | 9/30/2025 |
| 2025 Q2 | 7/21/2025 | 1,557 | 0.0% | 4,775 | 6/30/2025 |
| 2025 Q1 | 4/24/2025 | 1,756 | 0.0% | 6,534 | 3/31/2025 |
| 2024 Q4 | 1/27/2025 | 2,164 | 0.0% | 9,130 | 12/31/2024 |
| 2024 Q3 | 10/23/2024 | 2,867 | 0.0% | 10,428 | 9/30/2024 |
| 2024 Q2 | 7/30/2024 | 3,258 | 0.0% | 13,192 | 6/30/2024 |
| 2024 Q1 | 5/1/2024 | 11,164 | 0.0% | 62,415 | 3/31/2024 |
| 2023 Q4 | 1/24/2024 | 7,340 | 0.0% | 38,187 | 12/31/2023 |
| 2023 Q3 | 10/26/2023 | 10,739 | 0.0% | 60,719 | 9/30/2023 |
| 2023 Q2 | 8/10/2023 | 11,113 | 0.0% | 58,451 | 6/30/2023 |
| 2023 Q1 | 5/4/2023 | 13,166 | 0.0% | 65,934 | 3/31/2023 |
| 2022 Q4 | 2/9/2023 | 13,865 | 0.0% | 58,330 | 12/31/2022 |
| 2022 Q3 | 11/10/2022 | 14,626 | 0.0% | 72,691 | 9/30/2022 |
| 2022 Q2 | 8/15/2022 | 9,884 | 0.0% | 67,771 | 6/30/2022 |
| 2022 Q1 | 5/10/2022 | 10,707 | 0.0% | 65,572 | 3/31/2022 |
| 2021 Q4 | 2/8/2022 | 12,759 | 0.0% | 75,169 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 15,947 | 0.0% | 84,463 | 9/30/2021 |
| 2021 Q2 | 8/11/2021 | 11,459 | 0.0% | 67,596 | 6/30/2021 |
| 2021 Q1 | 5/13/2021 | 7,887 | 0.0% | 55,864 | 3/31/2021 |
| 2020 Q4 | 2/10/2021 | 4,113 | 0.0% | 31,649 | 12/31/2020 |
| 2020 Q3 | 11/12/2020 | 2,396 | 0.0% | 16,455 | 9/30/2020 |
| 2020 Q2 | 8/11/2020 | 1,984 | 0.0% | 13,392 | 6/30/2020 |
| 2020 Q1 | 5/12/2020 | 1,104 | 0.0% | 10,139 | 3/31/2020 |
| 2019 Q4 | 2/12/2020 | 1,043 | 0.0% | 9,054 | 12/31/2019 |