Alnylam Pharmaceuticals, Inc.
2013 Q4 - 2025 Q4 (26 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 | 2/13/2026 | 25,193 | 0.0% | 63,412 | 12/31/2025 |
| 2025 Q2 | 8/14/2025 | 28,318 | 0.0% | 86,840 | 6/30/2025 |
| 2025 Q1 | 5/15/2025 | 26,694 | 0.0% | 98,869 | 3/31/2025 |
| 2024 Q4 | 2/14/2025 | 25,673 | 0.0% | 109,102 | 12/31/2024 |
| 2024 Q3 | 11/13/2024 | 52,636 | 0.0% | 191,382 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 79,956 | 0.1% | 329,037 | 6/30/2024 |
| 2024 Q1 | 5/14/2024 | 50,368 | 0.0% | 337,025 | 3/31/2024 |
| 2023 Q4 | 2/13/2024 | 65,236 | 0.0% | 340,820 | 12/31/2023 |
| 2023 Q3 | 11/15/2023 | 63,023 | 0.0% | 355,863 | 9/30/2023 |
| 2023 Q2 | 8/11/2023 | 62,045 | 0.0% | 326,654 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 67,614 | 0.0% | 337,528 | 3/31/2023 |
| 2022 Q4 | 8/11/2023 | 81,601 | 0.1% | 343,220 | 12/31/2022 |
| 2022 Q3 | 8/11/2023 | 182,965 | 0.1% | 910,560 | 9/30/2022 |
| 2022 Q2 | 8/11/2023 | 241,473 | 0.2% | 1,655,835 | 6/30/2022 |
| 2022 Q1 | 8/11/2023 | 286,057 | 0.2% | 1,751,063 | 3/31/2022 |
| 2021 Q4 | 2/16/2022 | 289,129 | 0.2% | 1,702,670 | 12/31/2021 |
| 2021 Q3 | 11/12/2021 | 326,912 | 0.3% | 1,731,433 | 9/30/2021 |
| 2021 Q2 | 8/12/2021 | 297,645 | 0.2% | 1,755,808 | 6/30/2021 |
| 2021 Q1 | 5/3/2021 | 226,590 | 0.2% | 1,604,858 | 3/31/2021 |
| 2020 Q4 | 2/12/2021 | 190,287 | 0.2% | 1,464,089 | 12/31/2020 |
| 2020 Q3 | 11/9/2020 | 169,300 | 0.2% | 1,162,774 | 9/30/2020 |
| 2020 Q2 | 8/10/2020 | 180,810 | 0.2% | 1,222,432 | 6/30/2020 |
| 2020 Q1 | 5/15/2020 | 139,291 | 0.2% | 1,279,654 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 26,171 | 0.0% | 227,237 | 12/31/2019 |
| 2014 Q1 | 5/15/2014 | 10,401 | 0.0% | 154,923 | 3/31/2014 |
| 2013 Q4 | 5/1/2014 | 9,981 | 0.0% | 155,157 | 12/31/2013 |