<SEC-DOCUMENT>0000937556-19-000181-index.html : 20191030
<SEC-HEADER>0000937556-19-000181.hdr.sgml : 20191030
<ACCEPTANCE-DATETIME>20191030173036
ACCESSION NUMBER:		0000937556-19-000181
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20191030
DATE AS OF CHANGE:		20191030
EFFECTIVENESS DATE:		20191030

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:			1228

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-234386
		FILM NUMBER:		191181288

	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>masi20191030-formsx8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: masi20191030-formsx8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>masi-20191030xex231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: masi-20191030xex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>masimologo2019a02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: masimologo2019a02.jpg

</DOCUMENT>
</SEC-DOCUMENT>