<SEC-DOCUMENT>0001104659-23-055011-index.html : 20230502
<SEC-HEADER>0001104659-23-055011.hdr.sgml : 20230502
<ACCEPTANCE-DATETIME>20230502160241
ACCESSION NUMBER:		0001104659-23-055011
CONFORMED SUBMISSION TYPE:	DFAN14A
PUBLIC DOCUMENT COUNT:		25
FILED AS OF DATE:		20230502
DATE AS OF CHANGE:		20230502

SUBJECT COMPANY:	

	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:		DFAN14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33642
		FILM NUMBER:		23878793

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Politan Capital Management LP
		CENTRAL INDEX KEY:			0001885245
		IRS NUMBER:				871666292
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DFAN14A

	BUSINESS ADDRESS:	
		STREET 1:		106 WEST 56TH STREET
		STREET 2:		10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212) 756-2000

	MAIL ADDRESS:	
		STREET 1:		106 WEST 56TH STREET
		STREET 2:		10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>DFAN14A
<SEQUENCE>1
<FILENAME>tm2314379d1_dfan14a.htm
<DESCRIPTION>DFAN14A
<TEXT>
Document 1 - file: tm2314379d1_dfan14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm2314379d1_dfan14aimg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm2314379d1_dfan14aimg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2314379d1_dfan14aimg002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2314379d1_dfan14aimg002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2314379d1_dfan14aimg003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2314379d1_dfan14aimg003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm2314379d1_dfan14aimg004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm2314379d1_dfan14aimg004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm2314379d1_dfan14aimg005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm2314379d1_dfan14aimg005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm2314379d1_dfan14aimg006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm2314379d1_dfan14aimg006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>tm2314379d1_dfan14aimg007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm2314379d1_dfan14aimg007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm2314379d1_dfan14aimg008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm2314379d1_dfan14aimg008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>tm2314379d1_dfan14aimg009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: tm2314379d1_dfan14aimg009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>tm2314379d1_dfan14aimg010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: tm2314379d1_dfan14aimg010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tm2314379d1_dfan14aimg011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: tm2314379d1_dfan14aimg011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>tm2314379d1_dfan14aimg012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: tm2314379d1_dfan14aimg012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>tm2314379d1_dfan14aimg013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: tm2314379d1_dfan14aimg013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>tm2314379d1_dfan14aimg014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: tm2314379d1_dfan14aimg014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>tm2314379d1_dfan14aimg015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: tm2314379d1_dfan14aimg015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>tm2314379d1_dfan14aimg016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: tm2314379d1_dfan14aimg016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>tm2314379d1_dfan14aimg017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: tm2314379d1_dfan14aimg017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>tm2314379d1_dfan14aimg018.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: tm2314379d1_dfan14aimg018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>tm2314379d1_dfan14aimg019.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: tm2314379d1_dfan14aimg019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>tm2314379d1_dfan14aimg020.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: tm2314379d1_dfan14aimg020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>tm2314379d1_dfan14aimg021.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: tm2314379d1_dfan14aimg021.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>tm2314379d1_dfan14aimg022.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: tm2314379d1_dfan14aimg022.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>tm2314379d1_dfan14aimg023.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: tm2314379d1_dfan14aimg023.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>tm2314379d1_dfan14aimg024.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: tm2314379d1_dfan14aimg024.jpg

</DOCUMENT>
</SEC-DOCUMENT>