<SEC-DOCUMENT>0001552781-17-000647-index.html : 20171201
<SEC-HEADER>0001552781-17-000647.hdr.sgml : 20171201
<ACCEPTANCE-DATETIME>20171201170209
ACCESSION NUMBER:		0001552781-17-000647
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20171201
DATE AS OF CHANGE:		20171201

SUBJECT COMPANY:	

	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:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48710
		FILM NUMBER:		171234784

	BUSINESS ADDRESS:	
		STREET 1:		225 SOUTH LAKE AVENUE
		STREET 2:		SUITE 1050
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101
		BUSINESS PHONE:		626-304-3400

	MAIL ADDRESS:	
		STREET 1:		225 SOUTH LAKE AVENUE
		STREET 2:		SUITE 1050
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91101

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Silence Therapeutics plc
		CENTRAL INDEX KEY:			0001479615
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		72 HAMMERSMITH ROAD
		CITY:			LONDON
		STATE:			X0
		ZIP:			W14 8TH
		BUSINESS PHONE:		44-0-20-3457 6900

	MAIL ADDRESS:	
		STREET 1:		72 HAMMERSMITH ROAD
		CITY:			LONDON
		STATE:			X0
		ZIP:			W14 8TH
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>e17520_sln-sc13d.htm
<TEXT>
Document 1 - file: e17520_sln-sc13d.htm

</DOCUMENT>
</SEC-DOCUMENT>