MARATHON PETROLEUM CORPORATION (MPC)
What changed in recent filings
- Institutions — 3 new · 1 added13F · as of end of 2026 Q2
What changed in recent SEC filings — factual, not a buy/sell recommendation.
Institutions holding MARATHON PETROLEUM CORPORATION
How many of the institutions we track reported holding this stock, quarter by quarter.
2019 Q1: 7 → 2026 Q2: 4 institutions
Counts the 52 institutions we track that reported holding this stock — their full reported holdings, not just the largest positions. Not the total number of institutional holders in the US. Figures are as of quarter-end and disclosed up to 45 days later. Descriptive only — not investment advice.
Which institutions hold MARATHON PETROLEUM CORPORATION
Institutions we track that reported holding this stock in their most recent 13F.
- Bridgewater Associates0.37% of portfolio · since 2025 Q2
- Point72 Asset ManagementNew this quarterunder 0.01% of portfolio · since 2026 Q2
- National Pension Service (Korea)0.15% of portfolio · held as of 2026 Q2 or earlier
- Harris Associates (Oakmark)0.08% of portfolio · held as of 2026 Q2 or earlier
Based on 13F filings — quarter-end holdings, disclosed up to 45 days later. Holding a stock is a fact we report, not a recommendation to buy or sell.
Company overview
Marathon Petroleum is a leading integrated downstream and midstream energy company that operates 13 refineries in the Gulf Coast, Mid-Continent, and West Coast regions of the United States with an aggregate crude oil refining capacity of 3.0 million barrels per day. The company is one of the largest producers of renewable diesel in the US; its Dickinson, North Dakota facility has the capacity to produce 184 million gallons per year, and its Martinez, California, joint venture facility (a 50/50 partnership with Neste) reached its full capacity of 730 million gallons per year in late 2024. Marathon also owns the general partner and approximately 64% of MPLX LP, a large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets.
What is the Energy sector?
Crude oil, natural gas, and refining. Sensitive to oil prices and the dollar.
MARATHON PETROLEUM CORPORATION is classified under the Energy sector. See peers below.
MPC segment revenue mix trend
Quarterly change in segment revenue share · verified from SEC filings
ETFs holding MARATHON PETROLEUM CORPORATION
Per SEC N-PORT · 2026-06-30 · by weight · factual
MPC on Stocklore
- Revenue by segment — segment weights verified from SEC filings, YoY changes, growth drivers and concentration
- Financials & earnings quality — 6 metrics (FCF conversion, ROIC, net debt, etc.) to gauge profit quality
- 13F institutional holdings — holdings and weight changes of major institutions (45-day delay)
- Sector-relative metrics — Valuation and growth compared with the Energy average
Peers · Energy
MPC FAQ
What is MARATHON PETROLEUM CORPORATION (MPC)?
Marathon Petroleum is a leading integrated downstream and midstream energy company that operates 13 refineries in the Gulf Coast, Mid-Continent, and West Coast regions of the United States with an aggregate crude oil refining capacity of 3.0 million barrels per day. The company is one of the largest producers of renewable diesel in the US; its Dickinson, North Dakota facility has the capacity to produce 184 million gallons per year, and its Martinez, California, joint venture facility (a 50/50 partnership with Neste) reached its full capacity of 730 million gallons per year in late 2024. Marathon also owns the general partner and approximately 64% of MPLX LP, a large-cap master limited partnership that owns and operates midstream energy infrastructure and logistics assets.
What sector is MARATHON PETROLEUM CORPORATION in?
MARATHON PETROLEUM CORPORATION is classified under Energy. Crude oil, natural gas, and refining. Sensitive to oil prices and the dollar.
Where can I analyze MARATHON PETROLEUM CORPORATION (MPC) stock?
On Stocklore you can see MPC's financials & earnings quality, 13F institutional holdings, and sector-relative metrics in one place. This page is for information and tools — not a buy/sell recommendation.
Data sources: SEC EDGAR (financials & filings), 13F (institutional holdings, as of quarter-end), market data. This page is for information and analysis tools — it does not recommend buying or selling any security. Investment decisions and responsibility are your own.