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 | 2/10/2026 | 231 | 0.0% | 581 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 259 | 0.0% | 567 | 9/30/2025 |
| 2025 Q2 | 8/13/2025 | 162 | 0.0% | 496 | 6/30/2025 |
| 2025 Q1 | 5/14/2025 | 142 | 0.0% | 525 | 3/31/2025 |
| 2024 Q4 | 2/11/2025 | 112 | 0.0% | 476 | 12/31/2024 |
| 2024 Q3 | 11/12/2024 | 144 | 0.0% | 523 | 9/30/2024 |
| 2024 Q2 | 8/16/2024 | 145 | 0.0% | 596 | 6/30/2024 |
| 2024 Q1 | 5/15/2024 | 52 | 0.0% | 346 | 3/31/2024 |
| 2023 Q4 | 2/13/2024 | 101 | 0.0% | 526 | 12/31/2023 |
| 2023 Q3 | 11/14/2023 | 85 | 0.0% | 480 | 9/30/2023 |
| 2023 Q2 | 8/14/2023 | 83 | 0.0% | 435 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 106 | 0.0% | 531 | 3/31/2023 |
| 2022 Q4 | 2/21/2023 | 89 | 0.0% | 373 | 12/31/2022 |
| 2022 Q3 | 11/14/2022 | 47 | 0.0% | 234 | 9/30/2022 |
| 2022 Q2 | 8/4/2022 | 59 | 0.0% | 400 | 6/30/2022 |
| 2022 Q1 | 5/9/2022 | 98 | 0.0% | 606 | 3/31/2022 |
| 2021 Q4 | 2/3/2022 | 102 | 0.0% | 601 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 114 | 0.0% | 601 | 9/30/2021 |
| 2021 Q2 | 8/13/2021 | 102 | 0.0% | 601 | 6/30/2021 |
| 2021 Q1 | 5/14/2021 | 52 | 0.0% | 370 | 3/31/2021 |
| 2020 Q4 | 2/12/2021 | 43 | 0.0% | 329 | 12/31/2020 |
| 2020 Q3 | 11/13/2020 | 45 | 0.0% | 308 | 9/30/2020 |
| 2020 Q2 | 8/14/2020 | 41 | 0.0% | 275 | 6/30/2020 |
| 2020 Q1 | 5/8/2020 | 30 | 0.0% | 275 | 3/31/2020 |
| 2019 Q4 | 2/13/2020 | 49 | 0.0% | 426 | 12/31/2019 |