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 | 2/12/2026 | 25,618 | 0.0% | 64,424 | 12/31/2025 |
| 2025 Q3 | 11/3/2025 | 29,377 | 0.0% | 64,424 | 9/30/2025 |
| 2025 Q2 | 10/8/2025 | 20,632 | 0.0% | 63,272 | 6/30/2025 |
| 2025 Q1 | 10/8/2025 | 17,355 | 0.0% | 64,272 | 3/31/2025 |
| 2024 Q4 | 10/8/2025 | 16,996 | 0.0% | 72,228 | 12/31/2024 |
| 2024 Q3 | 10/8/2025 | 20,965 | 0.0% | 76,228 | 9/30/2024 |
| 2024 Q2 | 10/8/2025 | 23,008 | 0.0% | 94,685 | 6/30/2024 |
| 2024 Q1 | 10/8/2025 | 14,013 | 0.0% | 93,766 | 3/31/2024 |
| 2023 Q4 | 10/8/2025 | 21,421 | 0.0% | 111,914 | 12/31/2023 |
| 2023 Q3 | 10/8/2025 | 22,131 | 0.0% | 124,963 | 9/30/2023 |
| 2023 Q2 | 10/8/2025 | 26,994 | 0.0% | 142,119 | 6/30/2023 |
| 2023 Q1 | 10/8/2025 | 29,665 | 0.0% | 148,088 | 3/31/2023 |
| 2022 Q4 | 10/8/2025 | 36,764 | 0.1% | 154,698 | 12/31/2022 |
| 2022 Q3 | 11/8/2022 | 29,627 | 0.0% | 148,018 | 9/30/2022 |
| 2022 Q2 | 8/4/2022 | 22,333 | 0.0% | 153,124 | 6/30/2022 |
| 2022 Q1 | 7/1/2022 | 30,486 | 0.0% | 186,700 | 3/31/2022 |
| 2021 Q4 | 2/2/2022 | 31,820 | 0.0% | 187,641 | 12/31/2021 |
| 2021 Q3 | 11/2/2021 | 34,160 | 0.0% | 180,924 | 9/30/2021 |
| 2021 Q2 | 8/2/2021 | 31,212 | 0.0% | 184,120 | 6/30/2021 |
| 2021 Q1 | 5/11/2021 | 26,043 | 0.0% | 184,454 | 3/31/2021 |
| 2020 Q4 | 2/8/2021 | 25,806 | 0.0% | 198,554 | 12/31/2020 |
| 2020 Q3 | 11/5/2020 | 31,996 | 0.0% | 219,754 | 9/30/2020 |
| 2020 Q2 | 8/7/2020 | 35,924 | 0.0% | 242,549 | 6/30/2020 |
| 2020 Q1 | 5/6/2020 | 26,149 | 0.0% | 240,229 | 3/31/2020 |
| 2019 Q4 | 2/5/2020 | 29,175 | 0.0% | 253,320 | 12/31/2019 |
| 2014 Q2 | 8/5/2014 | 8,527 | 0.0% | 134,989 | 6/30/2014 |
| 2014 Q1 | 5/5/2014 | 8,167 | 0.0% | 121,640 | 3/31/2014 |
| 2013 Q4 | 2/7/2014 | 5,469 | 0.0% | 85,017 | 12/31/2013 |