<SEC-DOCUMENT>0000937556-16-000210-index.html : 20160217
<SEC-HEADER>0000937556-16-000210.hdr.sgml : 20160217
<ACCEPTANCE-DATETIME>20160217163520
ACCESSION NUMBER:		0000937556-16-000210
CONFORMED SUBMISSION TYPE:	8-A12B/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20160217
DATE AS OF CHANGE:		20160217

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:		8-A12B/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33642
		FILM NUMBER:		161433782

	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>8-A12B/A
<SEQUENCE>1
<FILENAME>masi-20160215xform8xaa12b.htm
<DESCRIPTION>8-A12B/A
<TEXT>
Document 1 - file: masi-20160215xform8xaa12b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>2
<FILENAME>masi20160215xex422.htm
<DESCRIPTION>EXHIBIT 4.2
<TEXT>
Document 2 - file: masi20160215xex422.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>masimologo8ka01.jpg
<TEXT>
Document 3 - file: masimologo8ka01.jpg

</DOCUMENT>
</SEC-DOCUMENT>