Alnylam Pharmaceuticals, Inc.
2013 Q4 - 2025 Q4 (28 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 | 1/27/2026 | 35,711 | 0.1% | 89,804 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 18,670 | 0.0% | 40,944 | 9/30/2025 |
| 2025 Q2 | 8/7/2025 | 10,028 | 0.0% | 30,751 | 6/30/2025 |
| 2025 Q1 | 5/7/2025 | 15,423 | 0.0% | 57,119 | 3/31/2025 |
| 2024 Q4 | 2/7/2025 | 12,802 | 0.0% | 54,406 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 15,008 | 0.0% | 54,570 | 9/30/2024 |
| 2024 Q2 | 7/29/2024 | 15,913 | 0.1% | 65,485 | 6/30/2024 |
| 2024 Q1 | 4/25/2024 | 7,475 | 0.0% | 50,014 | 3/31/2024 |
| 2023 Q4 | 1/30/2024 | 8,629 | 0.0% | 45,080 | 12/31/2023 |
| 2023 Q3 | 10/25/2023 | 4,004 | 0.0% | 22,607 | 9/30/2023 |
| 2023 Q2 | 8/7/2023 | 3,876 | 0.0% | 20,406 | 6/30/2023 |
| 2023 Q1 | 5/8/2023 | 3,996 | 0.0% | 19,946 | 3/31/2023 |
| 2022 Q4 | 2/1/2023 | 4,495 | 0.0% | 18,914 | 12/31/2022 |
| 2022 Q3 | 11/9/2022 | 9,259 | 0.1% | 46,260 | 9/30/2022 |
| 2022 Q2 | 8/9/2022 | 6,717 | 0.0% | 46,054 | 6/30/2022 |
| 2022 Q1 | 4/21/2022 | 3,006 | 0.0% | 18,409 | 3/31/2022 |
| 2021 Q4 | 2/1/2022 | 3,097 | 0.0% | 18,265 | 12/31/2021 |
| 2021 Q3 | 11/15/2021 | 5,117 | 0.0% | 27,101 | 9/30/2021 |
| 2021 Q2 | 7/30/2021 | 4,463 | 0.0% | 26,327 | 6/30/2021 |
| 2021 Q1 | 5/3/2021 | 3,718 | 0.0% | 26,331 | 3/31/2021 |
| 2020 Q4 | 1/28/2021 | 3,377 | 0.0% | 25,980 | 12/31/2020 |
| 2020 Q3 | 11/6/2020 | 3,768 | 0.0% | 25,878 | 9/30/2020 |
| 2020 Q2 | 7/28/2020 | 3,475 | 0.0% | 23,461 | 6/30/2020 |
| 2020 Q1 | 5/6/2020 | 2,667 | 0.0% | 24,501 | 3/31/2020 |
| 2019 Q4 | 1/21/2020 | 2,702 | 0.0% | 23,458 | 12/31/2019 |
| 2014 Q2 | 8/6/2014 | 3,790 | 0.1% | 60,000 | 6/30/2014 |
| 2014 Q1 | 4/29/2014 | 1,544 | 0.0% | 23,000 | 3/31/2014 |
| 2013 Q4 | 2/3/2014 | 1,480 | 0.0% | 23,000 | 12/31/2013 |