Alnylam Pharmaceuticals, Inc.
2019 Q4 - 2025 Q4 (23 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 | 2,487 | 0.1% | 6,255 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 2,487 | 0.1% | 5,455 | 9/30/2025 |
| 2025 Q2 | 8/13/2025 | 1,127 | 0.0% | 3,455 | 6/30/2025 |
| 2025 Q1 | 5/15/2025 | 258 | 0.0% | 955 | 3/31/2025 |
| 2024 Q4 | 2/13/2025 | 225 | 0.0% | 955 | 12/31/2024 |
| 2024 Q3 | 11/13/2024 | 263 | 0.0% | 955 | 9/30/2024 |
| 2024 Q2 | 8/8/2024 | 262 | 0.0% | 1,077 | 6/30/2024 |
| 2023 Q3 | 11/2/2023 | 1,257 | 0.0% | 7,100 | 9/30/2023 |
| 2023 Q2 | 8/11/2023 | 1,253 | 0.0% | 6,596 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 1,398 | 0.0% | 6,979 | 3/31/2023 |
| 2022 Q4 | 2/14/2023 | 1,659 | 0.0% | 6,979 | 12/31/2022 |
| 2022 Q3 | 11/14/2022 | 588 | 0.0% | 2,939 | 9/30/2022 |
| 2022 Q2 | 8/12/2022 | 429 | 0.0% | 2,939 | 6/30/2022 |
| 2022 Q1 | 5/13/2022 | 480 | 0.0% | 2,939 | 3/31/2022 |
| 2021 Q4 | 2/11/2022 | 498 | 0.0% | 2,939 | 12/31/2021 |
| 2021 Q3 | 11/4/2021 | 634 | 0.0% | 3,357 | 9/30/2021 |
| 2021 Q2 | 8/13/2021 | 569 | 0.0% | 3,357 | 6/30/2021 |
| 2021 Q1 | 5/13/2021 | 474 | 0.0% | 3,357 | 3/31/2021 |
| 2020 Q4 | 2/11/2021 | 436 | 0.0% | 3,357 | 12/31/2020 |
| 2020 Q3 | 11/12/2020 | 1,059 | 0.0% | 7,275 | 9/30/2020 |
| 2020 Q2 | 8/12/2020 | 1,078 | 0.0% | 7,275 | 6/30/2020 |
| 2020 Q1 | 5/8/2020 | 820 | 0.0% | 7,536 | 3/31/2020 |
| 2019 Q4 | 2/13/2020 | 868 | 0.0% | 7,536 | 12/31/2019 |