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 | 2/12/2026 | 567 | 0.0% | 1,425 | 12/31/2025 |
| 2025 Q3 | 11/12/2025 | 658 | 0.0% | 1,443 | 9/30/2025 |
| 2025 Q2 | 8/12/2025 | 442 | 0.0% | 1,357 | 6/30/2025 |
| 2025 Q1 | 5/13/2025 | 287 | 0.0% | 1,062 | 3/31/2025 |
| 2024 Q4 | 2/6/2025 | 221 | 0.0% | 940 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 248 | 0.0% | 900 | 9/30/2024 |
| 2024 Q2 | 8/8/2024 | 216 | 0.0% | 890 | 6/30/2024 |
| 2024 Q1 | 5/15/2024 | 107 | 0.0% | 715 | 3/31/2024 |
| 2023 Q4 | 2/12/2024 | 92 | 0.0% | 480 | 12/31/2023 |
| 2023 Q3 | 11/13/2023 | 74 | 0.0% | 420 | 9/30/2023 |
| 2023 Q2 | 8/14/2023 | 77 | 0.0% | 405 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 81 | 0.0% | 405 | 3/31/2023 |
| 2022 Q4 | 2/15/2023 | 101 | 0.0% | 423 | 12/31/2022 |
| 2022 Q3 | 11/10/2022 | 81 | 0.0% | 405 | 9/30/2022 |
| 2022 Q2 | 8/4/2022 | 66 | 0.0% | 455 | 6/30/2022 |
| 2022 Q1 | 5/2/2022 | 76 | 0.0% | 463 | 3/31/2022 |
| 2021 Q4 | 2/8/2022 | 128 | 0.0% | 754 | 12/31/2021 |
| 2021 Q3 | 11/12/2021 | 142 | 0.0% | 754 | 9/30/2021 |
| 2021 Q2 | 8/13/2021 | 128 | 0.0% | 754 | 6/30/2021 |
| 2021 Q1 | 5/14/2021 | 462 | 0.0% | 3,275 | 3/31/2021 |
| 2020 Q4 | 2/11/2021 | 98 | 0.0% | 754 | 12/31/2020 |
| 2020 Q3 | 10/30/2020 | 127 | 0.0% | 874 | 9/30/2020 |
| 2020 Q2 | 8/6/2020 | 129 | 0.0% | 874 | 6/30/2020 |
| 2020 Q1 | 4/29/2020 | 92 | 0.0% | 850 | 3/31/2020 |
| 2019 Q4 | 1/17/2020 | 131 | 0.0% | 1,145 | 12/31/2019 |