Alnylam Pharmaceuticals, Inc.
2019 Q4 - 2025 Q4 (17 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 | 2/19/2026 | 5,010 | 0.0% | 12,600 | 12/31/2025 |
| 2025 Q3 | 2/17/2026 | 5,335 | 0.0% | 11,700 | 9/30/2025 |
| 2025 Q1 | 5/8/2025 | 4,779 | 0.0% | 17,700 | 3/31/2025 |
| 2024 Q4 | 2/3/2025 | 4,236 | 0.0% | 18,000 | 12/31/2024 |
| 2024 Q3 | 11/5/2024 | 1,898 | 0.0% | 6,900 | 9/30/2024 |
| 2024 Q1 | 5/15/2024 | 433 | 0.0% | 2,900 | 3/31/2024 |
| 2023 Q4 | 2/12/2024 | 1,373 | 0.0% | 7,175 | 12/31/2023 |
| 2023 Q3 | 11/14/2023 | 514 | 0.0% | 2,900 | 9/30/2023 |
| 2023 Q2 | 8/24/2023 | 551 | 0.0% | 2,900 | 6/30/2023 |
| 2023 Q1 | 5/15/2023 | 581 | 0.0% | 2,900 | 3/31/2023 |
| 2021 Q2 | 8/16/2021 | 14,375 | 0.1% | 84,800 | 6/30/2021 |
| 2021 Q1 | 5/7/2021 | 12,538 | 0.1% | 88,800 | 3/31/2021 |
| 2020 Q4 | 2/16/2021 | 12,256 | 0.1% | 94,300 | 12/31/2020 |
| 2020 Q3 | 10/26/2020 | 11,794 | 0.1% | 81,000 | 9/30/2020 |
| 2020 Q2 | 8/11/2020 | 10,442 | 0.1% | 70,500 | 6/30/2020 |
| 2020 Q1 | 5/8/2020 | 5,660 | 0.1% | 52,000 | 3/31/2020 |
| 2019 Q4 | 2/14/2020 | 5,989 | 0.1% | 52,000 | 12/31/2019 |