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MPLX LP (MPLX)

MPLX LP, incorporated in 2012 and headquartered in Findlay, Ohio, operates as a subsidiary of Marathon Petroleum Corporation, with MPLX GP LLC serving as its general partner. The company is a prominent owner and operator of midstream energy infrastructure and logistics assets primarily across the United States. Its business is segmented into Logistics and Storage, and Gathering and Processing. MPLX's extensive operations involve the gathering, processing, and transportation of natural gas, alongside the gathering, transportation, fractionation, exchange, storage, and marketing of natural gas liquids. It also handles the collection, storage, transportation, and distribution of crude oil, refined products, and other hydrocarbon-based goods, including the sale of residue gas and condensate. Furthermore, the company manages inland marine businesses, focusing on the transportation of light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks within the Mid-Continent and Gulf Coast regions, utilizing its owned and third-party chartered boats and barges, and maintaining a marine repair facility on the Ohio River. Complementing these activities, MPLX oversees fuel distribution, refining logistics, terminals, rail facilities, and storage caverns, and operates specialized terminal facilities for the receipt, storage, blending, additization, handling, and redelivery of refined petroleum products through various modes including pipeline, rail, marine, and over-the-road transport.

Sector: Pipe Lines (No Natural Gas)

Industry: Oil & Gas Midstream

MPLX Lp logo

MPLX Lp

NYSE:MPLXEnergy
+1.48%$59.04
AH Close$59.04+0.00%vs close
Mkt Cap$59.86B
Float365.27M
O/S1.01B
Inst Own19.4%
SI1.8%
Div Yield7.29%
Dilution
Historical Data
DateOpenHighLowCloseVolume
Key Metrics
Market Cap$59.86B
Enterprise Value--
P/E Ratio--
Est. Net Cash/Share--
Institutional Ownership19.35%

based on 1.01B shares outstanding

SectorEnergy
IndustryOil & Gas Midstream
ExchangeNYSE
CountryUSUS
IPO DateOct 26, 2012
Shares Outstanding1.01B
Float365.27M
Company Overview

MPLX LP, incorporated in 2012 and headquartered in Findlay, Ohio, operates as a subsidiary of Marathon Petroleum Corporation, with MPLX GP LLC serving as its general partner.

The company is a prominent owner and operator of midstream energy infrastructure and logistics assets primarily across the United States.

Its business is segmented into Logistics and Storage, and Gathering and Processing. MPLX's extensive operations involve the gathering, processing, and transportation of natural gas, alongside the gathering, transportation, fractionation, exchange, storage, and marketing of natural gas liquids.

It also handles the collection, storage, transportation, and distribution of crude oil, refined products, and other hydrocarbon-based goods, including the sale of residue gas and condensate. Furthermore, the company manages inland marine businesses, focusing on the transportation of light products, heavy oils, crude oil, renewable fuels, chemicals, and feedstocks within the Mid-Continent and Gulf Coast regions, utilizing its owned and third-party chartered boats and barges, and maintaining a marine repair facility on the Ohio River. Complementing these activities, MPLX oversees fuel distribution, refining logistics, terminals, rail facilities, and storage caverns, and operates specialized terminal facilities for the receipt, storage, blending, additization, handling, and redelivery of refined petroleum products through various modes including pipeline, rail, marine, and over-the-road transport.

Leadership

Maryann T. Mannen

Chairman of the Board, President & Chief Executive Officer of MPLX GP LLC

Molly R. Benson

Chief Legal Officer & Corporate Secretary of MPLX GP LLC

Gregory Scott Floerke

Executive Vice President & Chief Operating Officer of MPLX GP LLC

Shawn Lyon

Senior Vice President of Logistics & Storage - MPLX GP LLC

Employees

6K+

Country

US

Sector

Energy

Website

mplx.com

Analyst Coverage
Analyst Coverage
ConsensusBuy
Price Target
No price targets available
Ratings Distribution
BUY
20
HOLD
8
SELL
0
TOTAL28
Insider Trading
InsiderTypeShares
Breves Christine S profile photoBreves Christine SGrant/Award218.82
Peiffer Garry L. profile photoPeiffer Garry L.Grant/Award1.2K
Walker Ray N JR profile photoWalker Ray N JRGrant/Award81.939
SURMA JOHN P profile photoSURMA JOHN PGrant/Award1.6K
STICE J MICHAEL profile photoSTICE J MICHAELGrant/Award982.715
SEMPLE FRANK M profile photoSEMPLE FRANK MGrant/Award1.1K
Shareholders
19.4%
Institutional
(643)
0.1%
Insiderⓘ
(16)
63.9%
5%+ Owners
(1)
of which 63.9% rests on schedules older than 24 months (1 holder)
16.7%
Unattributed (incl. retail)ⓘ
Institutional19.4%
Insider0.1%
5%+ Beneficial63.9%
Unattributed (incl. retail)16.7%
Top Shareholders
NameShares%
Blackstone Inc. 2. logo
Blackstone Inc. 2.
· may incl. warrants· filed Feb 2024
2.3Bn/a
Marathon Petroleum Corporation logo
Marathon Petroleum Corporation
· may incl. warrants· stale · filed May 2024
647.4M63.9%
ALPS ADVISORS INC logo
ALPS ADVISORS INC
28.6M2.8%
Invesco Ltd. logo
Invesco Ltd.
18.3M1.8%
Blackstone Inc. logo
Blackstone Inc.
13.0M1.3%
GOLDMAN SACHS GROUP INC logo
GOLDMAN SACHS GROUP INC
11.3M1.1%
TORTOISE CAPITAL ADVISORS, L.L.C. logo
TORTOISE CAPITAL ADVISORS, L.L.C.
10.5M1.0%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. logo
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
8.0M0.8%
KAYNE ANDERSON CAPITAL ADVISORS LP logo
KAYNE ANDERSON CAPITAL ADVISORS LP
5.9M0.6%
Energy Income Partners, LLC logo
Energy Income Partners, LLC
5.4M0.5%
Sources: 13F, Form 4, 13D/13GO/S: 1.0B · as of 30 Jul 2026 · SEC cover page
Insiders & Institutional Holders
52-Week Range
$48.29$60.95
$59.04(85th percentile)
Volume
Average Daily Volume1.29M
983.72K today vs 1.29M avg(-24%)

30d Avg

1.29M

60d Avg

1.31M

90d Avg

1.36M

Earnings
Dividend History
TTM Yield
7.29%
Paid quarterly
Annual (LTM)
$4.31
Latest
$1.0765
Aug 7, 26
5Y Growth
+9.38%
per year
Compliance Status
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