BlackRock, Inc. 13D and 13G filings for Alexion 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 |
| 2021-08-09 3:23 pm Sale | 2021-07-31 | 13G | Alexion Pharmaceuticals, Inc. ALXN | BlackRock Inc. BLK | 0 0.000% | -18,168,276 (Position Closed) | Filing |
| 2021-02-05 07:51 am Purchase | 2020-12-31 | 13G | Alexion Pharmaceuticals, Inc. ALXN | BlackRock Inc. BLK | 18,168,276 8.300% | 2,254,905 (+14.17%) | Filing |