<SEC-HEADER>0000904454-17-000064.hdr.sgml : 20170125
<ACCEPTANCE-DATETIME>20170124182955
ACCESSION NUMBER:		0000904454-17-000064
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170125
DATE AS OF CHANGE:		20170124

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mimecast Ltd
		CENTRAL INDEX KEY:			0001644675
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89285
		FILM NUMBER:		17544755

	BUSINESS ADDRESS:	
		STREET 1:		ONE ROPEMAKER STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2Y 9AW
		BUSINESS PHONE:		44(0)2078478700

	MAIL ADDRESS:	
		STREET 1:		ONE ROPEMAKER STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2Y 9AW

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Abdiel Qualified Master Fund LP
		CENTRAL INDEX KEY:			0001508239
		IRS NUMBER:				208096029
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		410 PARK AVENUE
		STREET 2:		SUITE 530
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		646-496-9351

	MAIL ADDRESS:	
		STREET 1:		89 NEXUS WAY
		CITY:			CAMANA BAY
		STATE:			E9
		ZIP:			KY1-9007
</SEC-HEADER>