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
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
based on 1.01B shares outstanding
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
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| Director | Grant/Award | 218.82 | -- | Aug 14, 2026 | |
| Director | Grant/Award | 1.2K | -- | Aug 14, 2026 | |
| Director | Grant/Award | 81.939 | -- | Aug 14, 2026 | |
| Director | Grant/Award | 1.6K | -- | Aug 14, 2026 | |
| Director | Grant/Award | 982.715 | -- | Aug 14, 2026 | |
| Director | Grant/Award | 1.1K | -- | Aug 14, 2026 |
| Name | Shares | % | Source |
|---|---|---|---|
Blackstone Inc. 2. · may incl. warrants· filed Feb 2024 | 2.3B | n/a | 13G |
Marathon Petroleum Corporation · may incl. warrants· stale · filed May 2024 | 647.4M | 63.9% | 13D |
ALPS ADVISORS INC | 28.6M | 2.8% | 13F |
Invesco Ltd. | 18.3M | 1.8% | 13F |
Blackstone Inc. | 13.0M | 1.3% | 13F |
GOLDMAN SACHS GROUP INC | 11.3M | 1.1% | 13F |
TORTOISE CAPITAL ADVISORS, L.L.C. | 10.5M | 1.0% | 13F |
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 8.0M | 0.8% | 13F |
KAYNE ANDERSON CAPITAL ADVISORS LP | 5.9M | 0.6% | 13F |
Energy Income Partners, LLC | 5.4M | 0.5% | 13F |
Insiders
- Breves Christine SDirector
- Peiffer Garry L.Director
- Walker Ray N JRDirector
- SURMA JOHN PDirector
- STICE J MICHAELDirector
- SEMPLE FRANK MDirector
- HELMS CHRISTOPHER ADirector
- Mannen Maryann T.Chairman, President & CEO
- Benson Molly RChief Legal Ofc & Corp Sec
- Lyon Shawn MSenior VP, Log. & Storage
based on 1.01B shares outstanding
30d Avg
1.29M
60d Avg
1.31M
90d Avg
1.36M