<SEC-DOCUMENT>0000903423-18-000019-index.html : 20180116
<SEC-HEADER>0000903423-18-000019.hdr.sgml : 20180115
<ACCEPTANCE-DATETIME>20180116083504
ACCESSION NUMBER:		0000903423-18-000019
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180112
FILED AS OF DATE:		20180116
DATE AS OF CHANGE:		20180116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ott David C.
		CENTRAL INDEX KEY:			0001621842

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527416

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shabet Rose Sharon
		CENTRAL INDEX KEY:			0001711393

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527415

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HALVORSEN OLE ANDREAS
		CENTRAL INDEX KEY:			0001133006

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527417

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVE 35TH
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities GP LLC
		CENTRAL INDEX KEY:			0001629476
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527418

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5000

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Portfolio GP LLC
		CENTRAL INDEX KEY:			0001629472
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527419

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5000

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

	FORMER NAME:	
		FORMER CONFORMED NAME:	VGO Portfolio GP LLC
		DATE OF NAME CHANGE:	20141230

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VIKING GLOBAL INVESTORS LP
		CENTRAL INDEX KEY:			0001103804
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527421

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5062

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Global Opportunities Illiquid Investments Sub-Master LP
		CENTRAL INDEX KEY:			0001629482
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34949
		FILM NUMBER:		18527420

	BUSINESS ADDRESS:	
		STREET 1:		MORGAN STANLEY SERVICES (CAYMAN)
		STREET 2:		CRICKET SQ., HUTCHINS DR., P.O. BOX 2681
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1111
		BUSINESS PHONE:		441-295-9166

	MAIL ADDRESS:	
		STREET 1:		MORGAN STANLEY SERVICES (CAYMAN)
		STREET 2:		CRICKET SQ., HUTCHINS DR., P.O. BOX 2681
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1111

	FORMER NAME:	
		FORMER CONFORMED NAME:	VGO Illiquid Investments Sub-Master LP
		DATE OF NAME CHANGE:	20141230

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Arbutus Biopharma Corp
		CENTRAL INDEX KEY:			0001447028
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				980597776
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100-8900 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 5J8
		BUSINESS PHONE:		604-419-3200

	MAIL ADDRESS:	
		STREET 1:		100-8900 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 5J8

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TEKMIRA PHARMACEUTICALS Corp
		DATE OF NAME CHANGE:	20110607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TEKMIRA PHARMACEUTICALS CORP
		DATE OF NAME CHANGE:	20081003
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