<SEC-DOCUMENT>0001345471-18-000054-index.html : 20180911
<SEC-HEADER>0001345471-18-000054.hdr.sgml : 20180911
<ACCEPTANCE-DATETIME>20180911081140
ACCESSION NUMBER:		0001345471-18-000054
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180911
DATE AS OF CHANGE:		20180911
GROUP MEMBERS:		EDWARD P. GARDEN
GROUP MEMBERS:		NELSON PELTZ
GROUP MEMBERS:		PETER W. MAY
GROUP MEMBERS:		TRIAN FUND MANAGEMENT GP, LLC
GROUP MEMBERS:		TRIAN FUND MANAGEMENT, L.P.
GROUP MEMBERS:		TRIAN PARTNERS FUND (SUB)-G, L.P.
GROUP MEMBERS:		TRIAN PARTNERS MASTER FUND, L.P.
GROUP MEMBERS:		TRIAN PARTNERS PARALLEL FUND I, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC FUND-C, LTD.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC FUND-G II, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC FUND-G III, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC FUND-K, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC INVESTMENT FUND II, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC INVESTMENT FUND-A, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC INVESTMENT FUND-D, L.P.
GROUP MEMBERS:		TRIAN PARTNERS STRATEGIC INVESTMENT FUND-N, L.P.
GROUP MEMBERS:		TRIAN PARTNERS, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PENTAIR plc
		CENTRAL INDEX KEY:			0000077360
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY (NO METALWORKING MACHINERY) [3550]
		IRS NUMBER:				981050812
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-31819
		FILM NUMBER:		181064023

	BUSINESS ADDRESS:	
		STREET 1:		STATION ROAD, LONGSTANTON
		CITY:			CAMBRIDGE
		STATE:			X0
		ZIP:			CB24 3DS
		BUSINESS PHONE:		763-545-1730

	MAIL ADDRESS:	
		STREET 1:		C/O PENTAIR MANAGEMENT COMPANY
		STREET 2:		5500 WAYZATA BLVD
		CITY:			GOLDEN VALLEY
		STATE:			MN
		ZIP:			55416

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENTAIR LTD
		DATE OF NAME CHANGE:	20121003

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENTAIR INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PENTAIR INDUSTRIES INC
		DATE OF NAME CHANGE:	19790327

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRIAN FUND MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001345471
		IRS NUMBER:				203454182
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		280 PARK AVENUE
		STREET 2:		41ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		212-451-3000

	MAIL ADDRESS:	
		STREET 1:		280 PARK AVENUE
		STREET 2:		41ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Trian Fund Management, L.P.
		DATE OF NAME CHANGE:	20051128
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>pnr13damend10.htm
<DESCRIPTION>PNR 13D - AMENDMENT NO. 10
<TEXT>
Document 1 - file: pnr13damend10.htm

</DOCUMENT>
</SEC-DOCUMENT>