<SEC-DOCUMENT>0001104659-15-000999-index.html : 20150107
<SEC-HEADER>0001104659-15-000999.hdr.sgml : 20150107
<ACCEPTANCE-DATETIME>20150107161558
ACCESSION NUMBER:		0001104659-15-000999
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20150107
DATE AS OF CHANGE:		20150107

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xencor Inc
		CENTRAL INDEX KEY:			0001326732
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				201622502
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-201384
		FILM NUMBER:		15513725

	BUSINESS ADDRESS:	
		STREET 1:		111 WEST LEMON AVE
		CITY:			MONROVIA
		STATE:			CA
		ZIP:			91016
		BUSINESS PHONE:		626-305-5900

	MAIL ADDRESS:	
		STREET 1:		111 WEST LEMON AVE
		CITY:			MONROVIA
		STATE:			CA
		ZIP:			91016
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>a15-1100_1s3.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: a15-1100_1s3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.3
<SEQUENCE>2
<FILENAME>a15-1100_1ex4d3.htm
<DESCRIPTION>EX-4.3
<TEXT>
Document 2 - file: a15-1100_1ex4d3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>3
<FILENAME>a15-1100_1ex4d6.htm
<DESCRIPTION>EX-4.6
<TEXT>
Document 3 - file: a15-1100_1ex4d6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.7
<SEQUENCE>4
<FILENAME>a15-1100_1ex4d7.htm
<DESCRIPTION>EX-4.7
<TEXT>
Document 4 - file: a15-1100_1ex4d7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.8
<SEQUENCE>5
<FILENAME>a15-1100_1ex4d8.htm
<DESCRIPTION>EX-4.8
<TEXT>
Document 5 - file: a15-1100_1ex4d8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>6
<FILENAME>a15-1100_1ex5d1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 6 - file: a15-1100_1ex5d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>7
<FILENAME>a15-1100_1ex12d1.htm
<DESCRIPTION>EX-12.1
<TEXT>
Document 7 - file: a15-1100_1ex12d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>8
<FILENAME>a15-1100_1ex23d1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 8 - file: a15-1100_1ex23d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g11001bci001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g11001bci001.jpg

</DOCUMENT>
</SEC-DOCUMENT>