<SEC-DOCUMENT>0000937556-17-000173-index.html : 20170710
<SEC-HEADER>0000937556-17-000173.hdr.sgml : 20170710
<ACCEPTANCE-DATETIME>20170707201409
ACCESSION NUMBER:		0000937556-17-000173
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20170710
DATE AS OF CHANGE:		20170707
EFFECTIVENESS DATE:		20170710

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASIMO CORP
		CENTRAL INDEX KEY:			0000937556
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				330368882
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219207
		FILM NUMBER:		17956143

	BUSINESS ADDRESS:	
		STREET 1:		52 DISCOVERY
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
		BUSINESS PHONE:		949-297-7000

	MAIL ADDRESS:	
		STREET 1:		52 DISCOVERY
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92618
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>masi-20170707xsx8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: masi-20170707xsx8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>masi-20170707ex51xphconsent.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: masi-20170707ex51xphconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>masi-20170707ex231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: masi-20170707ex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>masimologo300a15.jpg
<TEXT>
Document 4 - file: masimologo300a15.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>phfootera02.jpg
<TEXT>
Document 5 - file: phfootera02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>phheaderp1.jpg
<TEXT>
Document 6 - file: phheaderp1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>phheaderp2.jpg
<TEXT>
Document 7 - file: phheaderp2.jpg

</DOCUMENT>
</SEC-DOCUMENT>