<SEC-DOCUMENT>0001171843-15-006903-index.html : 20151221
<SEC-HEADER>0001171843-15-006903.hdr.sgml : 20151221
<ACCEPTANCE-DATETIME>20151221060356
ACCESSION NUMBER:		0001171843-15-006903
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20151218
FILED AS OF DATE:		20151221
DATE AS OF CHANGE:		20151221

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Xenon Pharmaceuticals Inc.
		CENTRAL INDEX KEY:			0001582313
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				980661854
		STATE OF INCORPORATION:			A1
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		200 - 3650 GILMORE WAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5G 48W
		BUSINESS PHONE:		(604) 484-3300

	MAIL ADDRESS:	
		STREET 1:		200 - 3650 GILMORE WAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5G 48W

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MORTIMER IAN
		CENTRAL INDEX KEY:			0001619961

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36687
		FILM NUMBER:		151298147

	MAIL ADDRESS:	
		STREET 1:		C/O XENON PHARMACEUTICALS INC.
		STREET 2:		200 - 3650 GILMORE WAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5G4W8
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>gff4_mortimer121815.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: gff4_mortimer121815.html

Document 1 - RAW XML: gff4_mortimer121815.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>exh_24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
Document 2 - file: exh_24.htm

</DOCUMENT>
</SEC-DOCUMENT>