ARROWHEAD PHARMACEUTICALS INC. (ARWR) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • 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.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-05-06
11:00 am
Purchase
2026-03-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
FMR LLC7,349,107
5.200%
4,965,317increase
(+208.30%)
Filing
History
2026-04-29
4:44 pm
Purchase
2026-03-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
VANGUARD CAPITAL MANAGEMENT LLC7,081,293
5.050%
7,081,293increase
(New Position)
Filing
History
2026-04-28
4:05 pm
Purchase
2026-03-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
Vanguard Portfolio Management7,269,957
5.190%
7,269,957increase
(New Position)
Filing
History
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
History
2026-03-26
3:43 pm
Sale
2026-03-1313GARROWHEAD PHARMACEUTICALS INC
ARWR
VANGUARD GROUP INC0
0.000%
-15,525,072decrease
(Position Closed)
Filing
History
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
History
2025-08-15
5:28 pm
Sale
2025-08-1313DARROWHEAD PHARMACEUTICALS INC
ARWR
Sarepta Therapeutics Inc.
SRPT
0
0.000%
-11,926,301decrease
(Position Closed)
Filing
History
2025-08-14
07:07 am
Sale
2025-06-3013GARROWHEAD PHARMACEUTICALS INC
ARWR
Avoro Capital Advisors LLC11,517,441
8.300%
-511,111decrease
(-4.25%)
Filing
History
2025-08-11
07:01 am
Sale
2025-06-3013GARROWHEAD PHARMACEUTICALS INC
ARWR
STATE STREET CORP
STT
6,371,056
4.600%
-628,193decrease
(-8.98%)
Filing
History
2025-07-29
11:20 am
Purchase
2025-06-3013GARROWHEAD PHARMACEUTICALS INC
ARWR
VANGUARD GROUP INC15,525,072
11.240%
3,121,022increase
(+25.16%)
Filing
History
2025-05-13
10:26 am
Purchase
2025-03-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
STATE STREET CORP
STT
6,999,249
5.100%
983,022increase
(+16.34%)
Filing
History
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
History
2025-02-14
5:23 pm
Purchase
2025-02-0713DARROWHEAD PHARMACEUTICALS INC
ARWR
Sarepta Therapeutics Inc.
SRPT
11,926,301
9.500%
11,926,301increase
(New Position)
Filing
History
2025-02-14
09:31 am
Purchase
2024-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
Avoro Capital Advisors LLC12,028,552
9.600%
3,139,664increase
(+35.32%)
Filing
History
2025-02-05
06:41 am
Sale
2024-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
STATE STREET CORP
STT
6,016,227
4.800%
-338,104decrease
(-5.32%)
Filing
History
2024-11-14
09:38 am
Purchase
2024-09-3013GARROWHEAD PHARMACEUTICALS INC
ARWR
Avoro Capital Advisors LLC8,888,888
7.200%
8,888,888increase
(New Position)
Filing
History
2024-10-16
09:15 am
Sale
2024-09-3013GARROWHEAD PHARMACEUTICALS INC
ARWR
STATE STREET CORP
STT
6,354,331
5.100%
-470,780decrease
(-6.90%)
Filing
History
2024-04-10
2:03 pm
Purchase
2024-03-2813GARROWHEAD PHARMACEUTICALS INC
ARWR
VANGUARD GROUP INC12,404,050
10.010%
1,731,974increase
(+16.23%)
Filing
History
2024-02-13
4:58 pm
Sale
2023-12-2913GARROWHEAD PHARMACEUTICALS INC
ARWR
VANGUARD GROUP INC10,672,076
9.930%
-158,357decrease
(-1.46%)
Filing
History
2024-01-24
12:57 pm
Purchase
2023-12-3113GARROWHEAD PHARMACEUTICALS INC
ARWR
STATE STREET CORP
STT
6,825,111
6.350%
854,767increase
(+14.32%)
Filing
History
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