MPLX LP (MPLX) Stock
MPLX has an Alpha Score of 63 out of 100 (moderate), computed on Nov 6, 2026 from 3 of 4 sub-scores. 5 members of Congress disclosed 29 trades in MPLX since 2015: 17 purchases and 10 sales, most recently Mark Green (sale, Dec 21, 2021). 3 of the hedge funds AlphaScala tracks reported MPLX in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Blackstone's at $729.86M. Its trailing P/E ratio is 12.9 and its net margin 35.8% (key statistics as of Nov 3, 2026).
What is MPLX's Alpha Score?
How it works →Alpha Score of 63 reflects moderate overall profile with moderate momentum, strong value, moderate quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Nov 6, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded MPLX LP (MPLX)?
Most recent: Mark Green (sale, Dec 21, 2021); records start Dec 4, 2015.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Mark Green R-TN · House | 2021-12-21 | sale | $500k – $1.0M |
| Mark Green R-TN · House | 2021-11-08 | purchase | $500k – $1.0M |
| Mark Green R-TN · House | 2021-05-13 | sale | $500k – $1.0M |
| Mark Green R-TN · House | 2021-04-14 | purchase | $100k – $250k |
| Mark Green R-TN · House | 2021-03-01 | purchase | $50k – $100k |
| Mark Green R-TN · House | 2021-02-19 | purchase | $50k – $100k |
| Mark Green R-TN · House | 2021-02-12 | purchase | $100k – $250k |
| Mark Green R-TN · House | 2021-01-19 | purchase | $100k – $250k |
From STOCK Act periodic transaction reports. House filings as of Nov 3, 2026. Senate records here end Oct 21, 2026; later Senate trades are not included.
See all MPLX political trades →Which hedge funds own MPLX?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Blackstone | 12.96M | $729.86M | -16% |
| Appaloosa David Tepper | 502K | $28.30M | n/a |
| Citadel Ken Griffin | 209K | $11.78M | +3887% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →What are MPLX's key statistics?
Key statistics as of Nov 3, 2026
How does MPLX's valuation compare with the Energy sector?
| Metric | MPLX | Energy median | Companies in median |
|---|---|---|---|
| P/E ratio | 12.9 | 15.2 | 86 |
| Net margin | 35.75% | 11.17% | 89 |
| Return on equity | 33.35% | 16.25% | 91 |
| Dividend yield (payers) | 9.46% | 3.53% | 72 |
Medians over the Energy stocks whose key statistics were refreshed in the last 35 days (newest Nov 6, 2026). P/E excludes loss-making companies.
AlphaScala analysis on MPLX
Latest 2MPLX price chart
Powered by TradingViewWhat does MPLX LP do?
MPLX LP is a master limited partnership involved in the midstream energy infrastructure sector. Its primary function is to engage in the transportation, storage, and marketing of crude oil and refined products. MPLX LP plays a crucial role in supporting upstream and downstream operations, providing essential services that facilitate the efficient movement and processing of hydrocarbons across various stages of production and distribution. As a significant player in the energy infrastructure landscape, MPLX LP impacts industries such as oil and gas production, refining, and petrochemical manufacturing. The partnership operates a substantial network of pipeline assets, storage tanks, and terminals strategically located across key energy-producing regions in the United States. By focusing on reliable midstream services, MPLX LP ensures the smooth and cost-effective supply of energy products to meet the demands of industrial consumers and retail markets alike, making it an integral part of the energy supply chain.