Alnylam Pharmaceuticals, Inc.
2019 Q4 - 2025 Q4 (20 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 | 20,518 | 0.0% | 51,598 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 8,129 | 0.0% | 17,826 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 6,536 | 0.0% | 20,044 | 6/30/2025 |
| 2025 Q1 | 5/14/2025 | 6,416 | 0.0% | 23,763 | 3/31/2025 |
| 2024 Q4 | 2/14/2025 | 2,357 | 0.0% | 10,018 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 6,957 | 0.0% | 25,295 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 6,147 | 0.0% | 25,295 | 6/30/2024 |
| 2024 Q1 | 5/14/2024 | 3,706 | 0.0% | 24,795 | 3/31/2024 |
| 2023 Q4 | 2/14/2024 | 3,751 | 0.0% | 19,595 | 12/31/2023 |
| 2023 Q3 | 11/14/2023 | 2,251 | 0.0% | 12,711 | 9/30/2023 |
| 2023 Q2 | 8/14/2023 | 2,414 | 0.0% | 12,711 | 6/30/2023 |
| 2023 Q1 | 5/12/2023 | 2,985 | 0.0% | 14,900 | 3/31/2023 |
| 2022 Q4 | 2/14/2023 | 3,541 | 0.0% | 14,900 | 12/31/2022 |
| 2022 Q2 | 8/12/2022 | 262 | 0.0% | 1,794 | 6/30/2022 |
| 2021 Q1 | 5/14/2021 | 238 | 0.0% | 1,687 | 3/31/2021 |
| 2020 Q4 | 2/12/2021 | 5,280 | 0.0% | 40,623 | 12/31/2020 |
| 2020 Q3 | 11/13/2020 | 393 | 0.0% | 2,700 | 9/30/2020 |
| 2020 Q2 | 8/14/2020 | 430 | 0.0% | 2,900 | 6/30/2020 |
| 2020 Q1 | 5/14/2020 | 446 | 0.0% | 4,100 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 472 | 0.0% | 4,100 | 12/31/2019 |