<SEC-DOCUMENT>0001280965-17-000051-index.html : 20170214
<SEC-HEADER>0001280965-17-000051.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214160324
ACCESSION NUMBER:		0001280965-17-000051
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MPLX LP
		CENTRAL INDEX KEY:			0001552000
		STANDARD INDUSTRIAL CLASSIFICATION:	PIPE LINES (NO NATURAL GAS) [4610]
		IRS NUMBER:				270005456
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-87226
		FILM NUMBER:		17608529

	BUSINESS ADDRESS:	
		STREET 1:		200 E. HARDIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840
		BUSINESS PHONE:		(419) 421-2159

	MAIL ADDRESS:	
		STREET 1:		200 E. HARDIN STREET
		CITY:			FINDLAY
		STATE:			OH
		ZIP:			45840

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TORTOISE CAPITAL ADVISORS, L.L.C.
		CENTRAL INDEX KEY:			0001280965
		IRS NUMBER:				223875939
		STATE OF INCORPORATION:			KS
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		11550 ASH STREET, SUITE 300
		CITY:			LEAWOOD
		STATE:			KS
		ZIP:			66211
		BUSINESS PHONE:		913-981-1020

	MAIL ADDRESS:	
		STREET 1:		11550 ASH STREET, SUITE 300
		CITY:			LEAWOOD
		STATE:			KS
		ZIP:			66211

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TORTOISE CAPITAL ADVISORS LLC
		DATE OF NAME CHANGE:	20040220
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>mplx13g-a123116.htm
<DESCRIPTION>MPLX 13G/A 12.31.16
<TEXT>
Document 1 - file: mplx13g-a123116.htm

</DOCUMENT>
</SEC-DOCUMENT>