<SEC-DOCUMENT>0001628280-23-001757-index.html : 20230130
<SEC-HEADER>0001628280-23-001757.hdr.sgml : 20230130
<ACCEPTANCE-DATETIME>20230130171522
ACCESSION NUMBER:		0001628280-23-001757
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		31
CONFORMED PERIOD OF REPORT:	20230124
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20230130
DATE AS OF CHANGE:		20230130

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARROWHEAD PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0000879407
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				460408024
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38042
		FILM NUMBER:		23569071

	BUSINESS ADDRESS:	
		STREET 1:		177 E COLORADO BLVD
		STREET 2:		SUITE 700
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105
		BUSINESS PHONE:		626-696-4702

	MAIL ADDRESS:	
		STREET 1:		177 E COLORADO BLVD
		STREET 2:		SUITE 700
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARROWHEAD RESEARCH CORP
		DATE OF NAME CHANGE:	20040112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERACTIVE GROUP INC
		DATE OF NAME CHANGE:	20020509

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERACTIVE INC
		DATE OF NAME CHANGE:	19940224
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>arwr-20230124.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: arwr-20230124.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.1
<SEQUENCE>2
<FILENAME>arrowheadpharmaceuticals.htm
<DESCRIPTION>EX-3.1
<TEXT>
Document 2 - file: arrowheadpharmaceuticals.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>arwr-20230124.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: arwr-20230124.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>arwr-20230124_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 4 - file: arwr-20230124_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>arwr-20230124_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
<TEXT>
Document 5 - file: arwr-20230124_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>arrowheadpharmaceuticals001.jpg
<TEXT>
Document 6 - file: arrowheadpharmaceuticals001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>arrowheadpharmaceuticals002.jpg
<TEXT>
Document 7 - file: arrowheadpharmaceuticals002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>arrowheadpharmaceuticals003.jpg
<TEXT>
Document 8 - file: arrowheadpharmaceuticals003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>arrowheadpharmaceuticals004.jpg
<TEXT>
Document 9 - file: arrowheadpharmaceuticals004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>arrowheadpharmaceuticals005.jpg
<TEXT>
Document 10 - file: arrowheadpharmaceuticals005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>arrowheadpharmaceuticals006.jpg
<TEXT>
Document 11 - file: arrowheadpharmaceuticals006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>arrowheadpharmaceuticals007.jpg
<TEXT>
Document 12 - file: arrowheadpharmaceuticals007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>arrowheadpharmaceuticals008.jpg
<TEXT>
Document 13 - file: arrowheadpharmaceuticals008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>arrowheadpharmaceuticals009.jpg
<TEXT>
Document 14 - file: arrowheadpharmaceuticals009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>arrowheadpharmaceuticals010.jpg
<TEXT>
Document 15 - file: arrowheadpharmaceuticals010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>arrowheadpharmaceuticals011.jpg
<TEXT>
Document 16 - file: arrowheadpharmaceuticals011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>arrowheadpharmaceuticals012.jpg
<TEXT>
Document 17 - file: arrowheadpharmaceuticals012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>arrowheadpharmaceuticals013.jpg
<TEXT>
Document 18 - file: arrowheadpharmaceuticals013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>arrowheadpharmaceuticals014.jpg
<TEXT>
Document 19 - file: arrowheadpharmaceuticals014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>arrowheadpharmaceuticals015.jpg
<TEXT>
Document 20 - file: arrowheadpharmaceuticals015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>arrowheadpharmaceuticals016.jpg
<TEXT>
Document 21 - file: arrowheadpharmaceuticals016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>arrowheadpharmaceuticals017.jpg
<TEXT>
Document 22 - file: arrowheadpharmaceuticals017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>arrowheadpharmaceuticals018.jpg
<TEXT>
Document 23 - file: arrowheadpharmaceuticals018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>24
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 24 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>25
<FILENAME>arwr-20230124_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 25 - file: arwr-20230124_htm.html

Document 25 - RAW XML: arwr-20230124_htm.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>26
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 26 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>27
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 27 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>28
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 28 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>29
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 29 - file: FilingSummary.html

Document 29 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>31
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 31 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>32
<FILENAME>0001628280-23-001757-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 32 - file: 0001628280-23-001757-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>