<SEC-DOCUMENT>0000903423-14-000618-index.html : 20141124
<SEC-HEADER>0000903423-14-000618.hdr.sgml : 20141124
<ACCEPTANCE-DATETIME>20141124183000
ACCESSION NUMBER:		0000903423-14-000618
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20141120
FILED AS OF DATE:		20141124
DATE AS OF CHANGE:		20141124

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Wayfair Inc.
		CENTRAL INDEX KEY:			0001616707
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-CATALOG & MAIL-ORDER HOUSES [5961]
		IRS NUMBER:				364791999
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4 COPLEY PLACE
		STREET 2:		7TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		617 532 6100

	MAIL ADDRESS:	
		STREET 1:		4 COPLEY PLACE
		STREET 2:		7TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Long Fund Master Ltd.
		CENTRAL INDEX KEY:			0001621596
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36666
		FILM NUMBER:		141247460

	BUSINESS ADDRESS:	
		STREET 1:		C/O MORGAN STANLEY FUND SRVCS (CAYMAN)
		STREET 2:		CICKET SQ, HUTCHINS DR, PO BOX 2681
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1111
		BUSINESS PHONE:		441-295-9166

	MAIL ADDRESS:	
		STREET 1:		C/O MORGAN STANLEY FUND SRVCS (CAYMAN)
		STREET 2:		CICKET SQ, HUTCHINS DR, PO BOX 2681
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Viking Long Fund GP LLC
		CENTRAL INDEX KEY:			0001621607
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36666
		FILM NUMBER:		141247461

	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 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:	001-36666
		FILM NUMBER:		141247462

	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:			Sundheim Daniel S.
		CENTRAL INDEX KEY:			0001621588

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36666
		FILM NUMBER:		141247463

	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:			Purcell Thomas W. JR
		CENTRAL INDEX KEY:			0001621691

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36666
		FILM NUMBER:		141247464

	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:			Ott David C.
		CENTRAL INDEX KEY:			0001621842

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36666
		FILM NUMBER:		141247465

	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:	001-36666
		FILM NUMBER:		141247466

	MAIL ADDRESS:	
		STREET 1:		C/O VIKING GLOBAL INVESTORS LP
		STREET 2:		280 PARK AVE 35TH
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>vikingf4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: vikingf4.html

Document 1 - RAW XML: vikingf4.xml

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</SEC-DOCUMENT>