Alnylam Pharmaceuticals, Inc.
2014 Q1 - 2026 Q1 (10 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 |
|---|---|---|---|---|---|
| 2026 Q1 | 5/15/2026 | 22,478 | 0.3% | 67,935 | 3/31/2026 |
| 2025 Q4 | 2/17/2026 | 27,014 | 0.3% | 67,935 | 12/31/2025 |
| 2025 Q3 | 11/14/2025 | 30,978 | 0.5% | 67,935 | 9/30/2025 |
| 2025 Q2 | 8/14/2025 | 47,283 | 0.9% | 145,000 | 6/30/2025 |
| 2025 Q1 | 5/15/2025 | 39,153 | 0.8% | 145,000 | 3/31/2025 |
| 2024 Q4 | 2/14/2025 | 34,165 | 0.6% | 145,191 | 12/31/2024 |
| 2024 Q3 | 11/14/2024 | 39,879 | 0.6% | 145,000 | 9/30/2024 |
| 2024 Q2 | 8/14/2024 | 29,111 | 0.5% | 119,800 | 6/30/2024 |
| 2023 Q4 | 2/14/2024 | 301 | 0.0% | 1,574 | 12/31/2023 |
| 2014 Q1 | 5/15/2014 | 20,276 | 0.8% | 302,000 | 3/31/2014 |