<SEC-DOCUMENT>0000937556-19-000019-index.html : 20190109
<SEC-HEADER>0000937556-19-000019.hdr.sgml : 20190109
<ACCEPTANCE-DATETIME>20190109084044
ACCESSION NUMBER:		0000937556-19-000019
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		41
CONFORMED PERIOD OF REPORT:	20190109
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190109
DATE AS OF CHANGE:		20190109

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:			1229

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33642
		FILM NUMBER:		19517363

	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-K
<SEQUENCE>1
<FILENAME>masi-20190109x8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: masi-20190109x8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>masi-20190109xex991.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: masi-20190109xex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>masimoinvestorpres-v13.htm
<DESCRIPTION>EXHIBIT 99.2
<TEXT>
Document 3 - file: masimoinvestorpres-v13.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>masimoinvestorpres-v13001.jpg
<TEXT>
Document 4 - file: masimoinvestorpres-v13001.jpg

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<DOCUMENT>
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<SEQUENCE>5
<FILENAME>masimoinvestorpres-v13002.jpg
<TEXT>
Document 5 - file: masimoinvestorpres-v13002.jpg

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<DOCUMENT>
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<SEQUENCE>6
<FILENAME>masimoinvestorpres-v13003.jpg
<TEXT>
Document 6 - file: masimoinvestorpres-v13003.jpg

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<SEQUENCE>7
<FILENAME>masimoinvestorpres-v13004.jpg
<TEXT>
Document 7 - file: masimoinvestorpres-v13004.jpg

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<SEQUENCE>8
<FILENAME>masimoinvestorpres-v13005.jpg
<TEXT>
Document 8 - file: masimoinvestorpres-v13005.jpg

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<DOCUMENT>
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<SEQUENCE>9
<FILENAME>masimoinvestorpres-v13006.jpg
<TEXT>
Document 9 - file: masimoinvestorpres-v13006.jpg

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<SEQUENCE>10
<FILENAME>masimoinvestorpres-v13007.jpg
<TEXT>
Document 10 - file: masimoinvestorpres-v13007.jpg

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<SEQUENCE>11
<FILENAME>masimoinvestorpres-v13008.jpg
<TEXT>
Document 11 - file: masimoinvestorpres-v13008.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>12
<FILENAME>masimoinvestorpres-v13009.jpg
<TEXT>
Document 12 - file: masimoinvestorpres-v13009.jpg

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<DOCUMENT>
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<SEQUENCE>13
<FILENAME>masimoinvestorpres-v13010.jpg
<TEXT>
Document 13 - file: masimoinvestorpres-v13010.jpg

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<DOCUMENT>
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<SEQUENCE>14
<FILENAME>masimoinvestorpres-v13011.jpg
<TEXT>
Document 14 - file: masimoinvestorpres-v13011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>masimoinvestorpres-v13012.jpg
<TEXT>
Document 15 - file: masimoinvestorpres-v13012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>masimoinvestorpres-v13013.jpg
<TEXT>
Document 16 - file: masimoinvestorpres-v13013.jpg

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<DOCUMENT>
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<SEQUENCE>17
<FILENAME>masimoinvestorpres-v13014.jpg
<TEXT>
Document 17 - file: masimoinvestorpres-v13014.jpg

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<SEQUENCE>18
<FILENAME>masimoinvestorpres-v13015.jpg
<TEXT>
Document 18 - file: masimoinvestorpres-v13015.jpg

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<DOCUMENT>
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<SEQUENCE>19
<FILENAME>masimoinvestorpres-v13016.jpg
<TEXT>
Document 19 - file: masimoinvestorpres-v13016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>masimoinvestorpres-v13017.jpg
<TEXT>
Document 20 - file: masimoinvestorpres-v13017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>masimoinvestorpres-v13018.jpg
<TEXT>
Document 21 - file: masimoinvestorpres-v13018.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>masimoinvestorpres-v13019.jpg
<TEXT>
Document 22 - file: masimoinvestorpres-v13019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>masimoinvestorpres-v13020.jpg
<TEXT>
Document 23 - file: masimoinvestorpres-v13020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>masimoinvestorpres-v13021.jpg
<TEXT>
Document 24 - file: masimoinvestorpres-v13021.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>masimoinvestorpres-v13022.jpg
<TEXT>
Document 25 - file: masimoinvestorpres-v13022.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>masimoinvestorpres-v13023.jpg
<TEXT>
Document 26 - file: masimoinvestorpres-v13023.jpg

</DOCUMENT>
<DOCUMENT>
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<SEQUENCE>27
<FILENAME>masimoinvestorpres-v13024.jpg
<TEXT>
Document 27 - file: masimoinvestorpres-v13024.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>masimoinvestorpres-v13025.jpg
<TEXT>
Document 28 - file: masimoinvestorpres-v13025.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>masimoinvestorpres-v13026.jpg
<TEXT>
Document 29 - file: masimoinvestorpres-v13026.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>masimoinvestorpres-v13027.jpg
<TEXT>
Document 30 - file: masimoinvestorpres-v13027.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>masimoinvestorpres-v13028.jpg
<TEXT>
Document 31 - file: masimoinvestorpres-v13028.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>masimoinvestorpres-v13029.jpg
<TEXT>
Document 32 - file: masimoinvestorpres-v13029.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>masimoinvestorpres-v13030.jpg
<TEXT>
Document 33 - file: masimoinvestorpres-v13030.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>34
<FILENAME>masimoinvestorpres-v13031.jpg
<TEXT>
Document 34 - file: masimoinvestorpres-v13031.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>masimoinvestorpres-v13032.jpg
<TEXT>
Document 35 - file: masimoinvestorpres-v13032.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>masimoinvestorpres-v13033.jpg
<TEXT>
Document 36 - file: masimoinvestorpres-v13033.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>masimoinvestorpres-v13034.jpg
<TEXT>
Document 37 - file: masimoinvestorpres-v13034.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>masimoinvestorpres-v13035.jpg
<TEXT>
Document 38 - file: masimoinvestorpres-v13035.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>39
<FILENAME>masimoinvestorpres-v13036.jpg
<TEXT>
Document 39 - file: masimoinvestorpres-v13036.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>40
<FILENAME>masimologopressreleaseq416.jpg
<TEXT>
Document 40 - file: masimologopressreleaseq416.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>41
<FILENAME>masimologoq12019b.jpg
<TEXT>
Document 41 - file: masimologoq12019b.jpg

</DOCUMENT>
</SEC-DOCUMENT>