<SEC-DOCUMENT>0001193125-19-040333-index.html : 20190214
<SEC-HEADER>0001193125-19-040333.hdr.sgml : 20190214
<ACCEPTANCE-DATETIME>20190214143933
ACCESSION NUMBER:		0001193125-19-040333
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190214
DATE AS OF CHANGE:		20190214
GROUP MEMBERS:		MACQUARIE BANK LTD
GROUP MEMBERS:		MACQUARIE INVESTMENT MANAGEMENT AUSTRALIA LTD
GROUP MEMBERS:		MACQUARIE INVESTMENT MANAGEMENT AUSTRIA KAPITALANLAGE AG
GROUP MEMBERS:		MACQUARIE INVESTMENT MANAGEMENT BUSINESS TRUST
GROUP MEMBERS:		MACQUARIE INVESTMENT MANAGEMENT HOLDINGS INC.
GROUP MEMBERS:		MACQUARIE INVESTMENT MANAGMENT LTD

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUEST DIAGNOSTICS INC
		CENTRAL INDEX KEY:			0001022079
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				161387862
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-50905
		FILM NUMBER:		19604801

	BUSINESS ADDRESS:	
		STREET 1:		500 PLAZA DRIVE
		CITY:			SECAUCUS
		STATE:			NJ
		ZIP:			07094
		BUSINESS PHONE:		9735202700

	MAIL ADDRESS:	
		STREET 1:		500 PLAZA DRIVE
		CITY:			SECAUCUS
		STATE:			NJ
		ZIP:			07094

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNING CLINICAL LABORATORIES INC
		DATE OF NAME CHANGE:	19960903

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACQUARIE GROUP LTD
		CENTRAL INDEX KEY:			0001418333
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			C3
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		50 MARTIN PLACE
		CITY:			SYDNEY, NSW 2000
		STATE:			C3
		ZIP:			2000
		BUSINESS PHONE:		212.231.1000

	MAIL ADDRESS:	
		STREET 1:		50 MARTIN PLACE
		CITY:			SYDNEY, NSW 2000
		STATE:			C3
		ZIP:			2000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d707023dsc13g.htm
<DESCRIPTION>SCHEDULE 13G
<TEXT>
Document 1 - file: d707023dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>