BlackRock, Inc. 13D and 13G filings for Arrowhead 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 |
| 2026-07-27 4:25 pm Sale | 2026-06-30 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 14,232,545 10.100% | -2,871,539![]() (-16.79%) | Filing |
| 2026-04-24 4:11 pm Sale | 2026-03-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 17,104,084 12.200% | -3,219,137![]() (-15.84%) | Filing |
| 2026-01-21 12:30 pm Purchase | 2025-12-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 20,323,221 15.000% | 1,310,366![]() (+6.89%) | Filing |
| 2025-04-23 8:14 pm Purchase | 2025-03-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 19,012,855 13.800% | 5,709,574![]() (+42.92%) | Filing |
| 2024-01-23 4:14 pm Purchase | 2023-12-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 13,303,281 12.400% | 592,650![]() (+4.66%) | Filing |
| 2023-01-26 08:52 am Unchanged | 2022-12-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 12,710,631 12.000% | 0 (Unchanged) | Filing |
| 2023-01-20 09:43 am Purchase | 2022-12-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 12,710,631 12.000% | 702,568![]() (+5.85%) | Filing |
| 2022-01-27 11:00 am Unchanged | 2021-12-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 12,008,063 11.500% | 0 (Unchanged) | Filing |
| 2022-01-25 3:03 pm Sale | 2021-12-31 | 13G | ARROWHEAD PHARMACEUTICALS INC ARWR | BlackRock, Inc. BLK | 12,008,063 11.500% | -555,069![]() (-4.42%) | Filing |

