<SEC-DOCUMENT>0001562230-20-000037-index.html : 20200214
<SEC-HEADER>0001562230-20-000037.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200214120709
ACCESSION NUMBER:		0001562230-20-000037
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MKS INSTRUMENTS INC
		CENTRAL INDEX KEY:			0001049502
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				042277512
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-58011
		FILM NUMBER:		20616520

	BUSINESS ADDRESS:	
		STREET 1:		2 TECH DRIVE
		STREET 2:		SUITE 201
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810
		BUSINESS PHONE:		978-645-5500

	MAIL ADDRESS:	
		STREET 1:		2 TECH DRIVE
		STREET 2:		SUITE 201
		CITY:			ANDOVER
		STATE:			MA
		ZIP:			01810

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Capital International Investors
		CENTRAL INDEX KEY:			0001562230
		IRS NUMBER:				951411037
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		333 S. HOPE STREET
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		213-486-9200

	MAIL ADDRESS:	
		STREET 1:		333 S. HOPE STREET
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Capital Research & Management Co - Division 3
		DATE OF NAME CHANGE:	20121114
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>edgmksi.txt
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: edgmksi.txt

</DOCUMENT>
</SEC-DOCUMENT>