MPLX 13F Hedge Fund and Asset Management Owners

Data based on most recent fiscal year report
Market Cap	13.608 Billion	Shares Outstanding	415 Million	Avg Volume	2.484 Million
1-Yr BETA vs S&P TR	0.881	Current Ratio	0.43	Quick Ratio	0.38

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Mediaplex Inc.

Q3 2019	All Institutions	Hedge Funds ¹
To trade MPLX now:
Filers who had this stock in their top 10:	25	8 (0.84%)
13F Filers holding this stock:	323	38 (3.97%)
Aggregate 13F shares on 09/30/2019:	333.903 Million	127.222 Million
Aggregate 13F shares on 06/30/2019:	245.234 Million	94.463 Million
Percent change:	36.16%	34.68%
Funds creating new positions:	54	5
Funds Adding to an existing position:	166	19
Funds closing out their position:	35	7
Funds reducing their position:	61	10
¹ hedge funds as identified by whalewisdom.com through public filings.

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Funds Holding MPLX (via 13F filings)

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*Please note that if a filer hasn't submitted a 13F filing for a quarter then the filer's shares will be listed as "Sold All"

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Open Market Buys/Sells Last 60 Days

Open Market Buys (P)

none

Open Market Sells (S)

none

Exercise Derivative Conversion (M)

none

Current/Former Insiders

Insider Name	Type	Last Reported Shares Held	Last Reported Date	Filings in past year
PEIFFER GARRY L.	Director	84,588	2019-11-14	10
HELMS CHRISTOPHER A	Director	30,192	2019-11-14	8
SURMA JOHN P	Director	30,271	2019-11-14	8
SANDMAN DAN D	Director	99,822	2019-11-14	9
BEATTY MICHAEL L	Director	40,312	2019-11-14	8
SEMPLE FRANK M	Director	587,478	2019-11-14	8
STICE J MICHAEL	Director	7,966	2019-11-14	8
HENNIGAN MICHAEL J PRESIDENT & CEO, MPLX GP LLC	Officer	31,254	2019-11-01	2
BEALL PAMELA K.M.	Director	10,869	2019-10-31	2
DABERKO DAVID A.	Director	18,181	2019-10-31	0
MOLLENKOPF JOHN C	Director	21,045	2019-10-10	0
GOFF GREGORY JAMES	Director	29,511	2019-09-30	3
HEMINGER GARY R.	Director	0	2019-09-12	4
BUESE NANCY EVP & CFO	Officer	67,380	2019-08-29	0
ANDEAVOR LLC WESTERN REFINING SOUTHWEST, INC. TESORO LOGISTICS GP, LLC WESTERN REFINING, INC. GIANT INDUSTRIES, INC. TESORO REFINING & MARKETING CO LLC TESORO ALASKA CO LLC	10% Owner LESS THAN 10% OWNER LESS THAN 10% OWNERLESS THAN 10% OWNER	504,701,934	2019-07-30	1
MARATHON PETROLEUM CORP TESORO ALASKA CO LLC	Director 10% Owner LESS THAN 10% OWNER	666,077,541	2019-07-30	2
MARATHON PETROLEUM CORP MPC INVESTMENT LLC MPLX GP LLC MPLX LOGISTICS HOLDINGS LLC WESTERN REFINING SOUTHWEST, INC. TESORO LOGISTICS GP, LLC ANDEAVOR LLC WESTERN REFINING, INC. GIANT INDUSTRIES, INC. TESORO REFINING & MARKETING CO LLC	Director 10% Owner LESS THAN 10% OWNER LESS THAN 10% OWNER LESS THAN 10% OWNER	666,077,541	2019-07-30	2
TEMPLIN DONALD C. PRES., REFINING, MKTG & SUPPLY	Officer	98,182	2019-05-15	2
HAGEDORN CARL KRISTOPHER VP AND CONTROLLER	Officer	9,873	2019-04-01	2
GRIFFITH TIMOTHY T. SR. VICE PRESIDENT AND CFO	Officer	51,754	2019-03-01	2
SWEARINGEN JOHN S EXEC VP, LOGISTICS & STORAGE	Officer	21,569	2019-03-01	2
KACZYNSKI THOMAS VP, FINANCE AND TREASURER	Officer	15,855	2019-03-01	0
FLOERKE GREGORY SCOTT EXEC VP, GATHERING & PROC	Officer	78,738	2019-03-01	2
GAGLE SUZANNE GENERAL COUNSEL	Officer	18,637	2019-03-01	2
NICKERSON RANDY S	Director	9,021	2019-02-20	0
MARATHON PETROLEUM CORP MPC INVESTMENT LLC MPLX GP LLC MPLX LOGISTICS HOLDINGS LLC MPLX HOLDINGS INC.	Director 10% Owner	504,701,934	2018-02-01	0
WILSON C. RICHARD	Director	20,617	2017-11-14	0
BROMLEY C CORWIN EXEC. VP AND GEN COUNSEL	Officer	121,205	2017-09-13	0
ROSSON PAULA L SENIOR VP AND CAO	Officer	45,480	2017-04-03	0
MARATHON PETROLEUM CORP MARKWEST HYDROCARBON L.L.C. MPC INVESTMENT LLC MPLX HOLDINGS INC. MPLX LOGISTICS HOLDINGS LLC MPLX GP LLC	Director 10% Owner	0	2016-09-02	0
MARKWEST HYDROCARBON L.L.C.	Director 10% Owner	108,020,449	2016-09-01	0
MPLX HOLDINGS INC.	Director 10% Owner	108,020,449	2016-09-01	0
PIERSON CRAIG O. VICE PRESIDENT, OPERATIONS	Officer	4,981	2016-04-01	0
MARATHON PETROLEUM CORP MPC INVESTMENT LLC MPLX GP LLC MPLX LOGISTICS HOLDINGS LLC	Director 10% Owner	79,466,136	2016-03-31	0
WILDER J. MICHAEL VP, GENERAL COUNSEL & SEC	Officer	57,904	2016-02-29	2
SHAFFNER GEORGE P. SR. VP, HES&S (SEE REMARKS)	Officer	14,282	2015-05-06	2
FELDMAN IAN D CONTROLLER	Officer	52	2015-04-01	0
BRADDOCK MICHAEL G. VP & CHIEF ACCTG OFFICER	Officer	10,811	2014-08-08	2

Insider Transactions Last 60 Days

Reporting Owners	Transaction Date	Transaction Code	Shares	Acquired or Disposed	Shares Owned Following Transaction	Combined shares owned after filing	Direct/Indirect Ownership
SURMA JOHN P - Director	2019-11-14	A	640	a	30,271	30,270.97	direct
BEATTY MICHAEL L - Director	2019-11-14	A	364	a	40,312	40,311.74	direct
SEMPLE FRANK M - Director	2019-11-14	A	314	a	11,184	587,478.18	direct
PEIFFER GARRY L. - Director	2019-11-14	A	452	a	16,091	84,587.76	direct
HELMS CHRISTOPHER A - Director	2019-11-14	A	540	a	30,192	30,191.54	direct
STICE J MICHAEL - Director	2019-11-14	A	204	a	7,266	7,966.34	direct
SANDMAN DAN D - Director	2019-11-14	A	540	a	99,822	99,821.54	direct
SANDMAN DAN D - Director	2019-10-01	A	976	a	99,282	99,281.97	direct
SEMPLE FRANK M - Director	2019-10-01	A	976	a	10,870	587,163.73	direct
SURMA JOHN P - Director	2019-10-01	A	1,131	a	29,631	29,630.77	direct
BEATTY MICHAEL L - Director	2019-10-01	A	976	a	39,948	39,947.88	direct
STICE J MICHAEL - Director	2019-10-01	A	1,131	a	7,062	7,762.05	direct
PEIFFER GARRY L. - Director	2019-10-01	A	976	a	15,638	84,135.37	direct
HELMS CHRISTOPHER A - Director	2019-10-01	A	976	a	29,652	29,651.97	direct

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MPLX L.P. (MPLX)

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Funds Holding MPLX (via 13F filings)

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MPLX L.P. (MPLX)

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Funds Holding MPLX (via 13F filings)

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