BlackRock, Inc. 13D and 13G filings for Ionis 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 |
| 2025-04-17 09:35 am Purchase |
2025-03-31 | 13G | Ionis Pharmaceuticals, Inc. IONS |
BlackRock Inc. BLK |
9,066,517 5.700% |
9,235 (+0.10%) |
Filing |
| 2024-01-26 4:25 pm Sale |
2023-12-31 | 13G | Ionis Pharmaceuticals, Inc. IONS |
BlackRock Inc. BLK |
9,057,282 6.300% |
-125,629 (-1.37%) |
Filing |
| 2023-01-31 5:52 pm Purchase |
2022-12-31 | 13G | Ionis Pharmaceuticals, Inc. IONS |
BlackRock Inc. BLK |
9,182,911 6.500% |
643,629 (+7.54%) |
Filing |
| 2022-02-01 5:08 pm Sale |
2021-12-31 | 13G | Ionis Pharmaceuticals, Inc. IONS |
BlackRock Inc. BLK |
8,539,282 6.000% |
-1,211,220 (-12.42%) |
Filing |
| 2021-02-05 07:51 am Purchase |
2020-12-31 | 13G | Ionis Pharmaceuticals, Inc. IONS |
BlackRock Inc. BLK |
9,750,502 7.000% |
1,348,113 (+16.04%) |
Filing |