Capital World Investors 13D and 13G filings for Alnylam Pharmaceuticals, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-14 1:55 pm Sale | 2026-03-31 | 13G | ALYNLAM PHARMACEUTICALS INC ALNY | Capital World Investors | 10,916,799 8.200% | -5,482,090 (-33.43%) | Filing |
| 2024-02-09 6:14 pm Sale | 2024-02-07 | 13G | ALYNLAM PHARMACEUTICALS INC ALNY | Capital World Investors | 16,398,889 13.100% | -195,069 (-1.18%) | Filing |
| 2023-02-13 2:49 pm Purchase | 2023-02-14 | 13G | ALYNLAM PHARMACEUTICALS INC ALNY | Capital World Investors | 16,593,958 13.500% | 3,777,181 (+29.47%) | Filing |
| 2022-09-09 12:30 pm Purchase | 2022-09-09 | 13G | ALYNLAM PHARMACEUTICALS INC ALNY | Capital World Investors | 12,816,777 10.700% | 12,816,777 (New Position) | Filing |