BlackRock, Inc. (BLK) 13D/13G Filings for Arrowhead Pharmaceuticals, Inc. (ARWR)

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.
Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-07-27
4:25 pm
Sale
2026-06-3013GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
14,232,545
10.100%
-2,871,539decrease
(-16.79%)
Filing
2026-04-24
4:11 pm
Sale
2026-03-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
17,104,084
12.200%
-3,219,137decrease
(-15.84%)
Filing
2026-01-21
12:30 pm
Purchase
2025-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
20,323,221
15.000%
1,310,366increase
(+6.89%)
Filing
2025-04-23
8:14 pm
Purchase
2025-03-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
19,012,855
13.800%
5,709,574increase
(+42.92%)
Filing
2024-01-23
4:14 pm
Purchase
2023-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
13,303,281
12.400%
592,650increase
(+4.66%)
Filing
2023-01-26
08:52 am
Unchanged
2022-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
12,710,631
12.000%
0
(Unchanged)
Filing
2023-01-20
09:43 am
Purchase
2022-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
12,710,631
12.000%
702,568increase
(+5.85%)
Filing
2022-01-27
11:00 am
Unchanged
2021-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
12,008,063
11.500%
0
(Unchanged)
Filing
2022-01-25
3:03 pm
Sale
2021-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
BlackRock, Inc.
BLK
12,008,063
11.500%
-555,069decrease
(-4.42%)
Filing