Alnylam Pharmaceuticals, Inc.
2019 Q4 - 2025 Q4 (19 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 | 136,565 | 0.5% | 343,431 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 100,609 | 0.4% | 220,634 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 38,274 | 0.2% | 117,373 | 6/30/2025 |
| 2025 Q1 | 5/15/2025 | 51,602 | 0.3% | 191,105 | 3/31/2025 |
| 2024 Q4 | 2/14/2025 | 35,341 | 0.2% | 150,191 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 16,095 | 0.1% | 58,520 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 31,491 | 0.3% | 129,593 | 6/30/2024 |
| 2024 Q1 | 5/15/2024 | 8,978 | 0.1% | 60,073 | 3/31/2024 |
| 2023 Q4 | 2/14/2024 | 11,670 | 0.2% | 60,967 | 12/31/2023 |
| 2023 Q2 | 8/14/2023 | 7,652 | 0.1% | 40,287 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 3,673 | 0.1% | 18,338 | 3/31/2023 |
| 2022 Q3 | 11/14/2022 | 4,088 | 0.1% | 20,426 | 9/30/2022 |
| 2021 Q2 | 8/16/2021 | 5,424 | 0.1% | 31,999 | 6/30/2021 |
| 2021 Q1 | 5/17/2021 | 4,056 | 0.1% | 28,728 | 3/31/2021 |
| 2020 Q4 | 2/16/2021 | 3,734 | 0.1% | 28,728 | 12/31/2020 |
| 2020 Q3 | 11/16/2020 | 4,183 | 0.1% | 28,728 | 9/30/2020 |
| 2020 Q2 | 8/14/2020 | 6,321 | 0.1% | 42,679 | 6/30/2020 |
| 2020 Q1 | 5/14/2020 | 3,934 | 0.1% | 36,146 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 1,465 | 0.0% | 12,722 | 12/31/2019 |