<SEC-DOCUMENT>0001628280-23-032688-index.html : 20230920
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<ACCEPTANCE-DATETIME>20230920165559
ACCESSION NUMBER:		0001628280-23-032688
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230920
FILED AS OF DATE:		20230920
DATE AS OF CHANGE:		20230920

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fagnan Jeff
		CENTRAL INDEX KEY:			0001452366

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231267038

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET, FLOOR 3
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Accomplice Fund I, L.P.
		CENTRAL INDEX KEY:			0001636118
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231267040

	BUSINESS ADDRESS:	
		STREET 1:		56 WAREHAM STREET, FLOOR 3
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118
		BUSINESS PHONE:		617-588-2694

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET, FLOOR 3
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

	FORMER NAME:	
		FORMER CONFORMED NAME:	F/K/A VENTURES FUND I, L.P.
		DATE OF NAME CHANGE:	20150310

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Accomplices Associates I, LLC
		CENTRAL INDEX KEY:			0001898737
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231267039

	BUSINESS ADDRESS:	
		STREET 1:		56 WAREHAM STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118
		BUSINESS PHONE:		6175882600

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Moore Ryan R
		CENTRAL INDEX KEY:			0001810239

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41806
		FILM NUMBER:		231267037

	MAIL ADDRESS:	
		STREET 1:		56 WAREHAM STREET
		STREET 2:		3RD FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02118

ISSUER:		

	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

	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
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