<SEC-DOCUMENT>0000902664-23-004941-index.html : 20230928
<SEC-HEADER>0000902664-23-004941.hdr.sgml : 20230928
<ACCEPTANCE-DATETIME>20230928171536
ACCESSION NUMBER:		0000902664-23-004941
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20230928
DATE AS OF CHANGE:		20230928

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Klaviyo, Inc.
		CENTRAL INDEX KEY:			0001835830
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-94164
		FILM NUMBER:		231290850

	BUSINESS ADDRESS:	
		STREET 1:		125 SUMMER STREET, FLOOR 6
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		800-338-1744

	MAIL ADDRESS:	
		STREET 1:		125 SUMMER STREET, FLOOR 6
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LONE PINE CAPITAL LLC
		CENTRAL INDEX KEY:			0001061165
		IRS NUMBER:				061484476
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		TWO GREENWICH PLZ
		STREET 2:		SUITE 220
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036181400

	MAIL ADDRESS:	
		STREET 1:		TWO GREENWICH PLZ
		STREET 2:		SUITE 220
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>p23-2503sc13g.htm
<DESCRIPTION>KLAVIYO, INC.
<TEXT>
Document 1 - file: p23-2503sc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>p23-2503exhibit99.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: p23-2503exhibit99.htm

</DOCUMENT>
</SEC-DOCUMENT>