MPC at a glance
Marathon Petroleum (MPC, SEC CIK 1510295) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on August 4, 2026 and Form 4 insider filings as recently as September 1, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Marathon Petroleum (MPC) reported revenue of $132.7 billion (down 4.4% from FY2024) and net income of $4.0 billion. Diluted EPS was $13.22.
- As of June 30, 2026, 61 institutional investment managers tracked by SignalX reported holding Marathon Petroleum (MPC) shares worth $33.2 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Lyon Shawn M on August 31, 2026 of 1,000 shares at $375.75 per share.
- In the last 90 days, MPC insiders reported 0 open-market purchases ($0) and 8 open-market sales ($9.8M) on Form 4, a net sale of $9.8M.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $132.7B
- −4.4% vs prior year
- Insiders · 90 days
- 0 buys · 8 sells
- Net −$9.8M
- 13F holders
- 61 funds
- $33.2B · +0 vs prior quarter
- Latest 8-K
- Aug 4, 2026
- Item 2.02
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Risk Factors
- California SB X1-2 and AB X2-1 empower CEC to cap gasoline refining margins and mandate minimum fuel inventories, directly threatening MPC's LA and Martinez facilities
- Total debt $33.31B at Dec 31, 2025, with $26.01B sitting at MPLX subsidiary level, creating structural leverage concentration
- No crude oil production ownership; competitors with integrated upstream supply better positioned during feedstock shortages or margin compression
- Dakota Access Pipeline (MPLX minority interest) subject to ongoing litigation seeking permanent shutdown
- California ACC II and Advanced Clean Trucks regulations plus automaker targets of 40-50% EV sales by 2030 threaten long-term liquid fuel demand
Business Overview
- Integrated downstream/midstream energy company; ~3.0 mbpd refining capacity, one of largest US wholesale gasoline/distillate suppliers, with MPLX (~64% owned) as midstream backbone
- Martinez Renewables JV (50/50 with Neste) reached full 730 million gal/year capacity in late 2024; combined with Dickinson's 184 million gal/year, positions MPC as one of largest US renewable diesel producers
- Crude throughput rose to 2,787 mbpd in 2025 from 2,714 mbpd in 2024; US domestic crude sourcing increased to 1,966 mbpd from 1,840 mbpd, reflecting domestic supply shift
- ~18,500 employees as of Dec 31, 2025; new CFO (Maria Khoury, effective Jan 2026) and new SVP Value Chain Optimization (Julian Stoll, March 2025) signal leadership refresh under CEO Mannen (appointed Aug 2024)
- EPA rescinded GHG Endangerment Finding Feb 2026 and Congress voided California's 2035 ICE vehicle ban waiver: materially reduced near-term regulatory pressure on MPC's core refining business
Management Discussion & Analysis
- Total revenues $135.2B vs $140.4B in 2024, down $5.19B; sales revenues $132.7B vs $138.9B, driven by avg refined product prices down $0.18/gal (8%)
- Net income attributable to MPC $4.05B vs $3.45B; EPS $13.22 vs $10.08; income before taxes $7.0B vs $6.0B; no operating margin % disclosed in text
- Best segment: Midstream adjusted EBITDA $6.75B vs $6.54B (+$206M); Worst: Renewable Diesel adjusted EBITDA -$110M vs -$150M (loss, though narrowing)
- Operating cash flow $8.25B vs $8.67B; capex $3.49B vs $2.53B; buybacks $3.40B vs $9.08B; dividends $1.14B ($3.73/share); $4.38B remaining buyback authorization
- 2026 MPC capex outlook ~$1.5B; MPLX ~$2.7B growth-focused; key risks include RINs cost ($1.33B in 2025), narrowing crude differentials, and evolving U.S. energy policy uncertainty
AI summary of the MPC 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Quarterly revenue, year-over-year change, and profitability percentages not provided
- Segment or product-line performance not provided
- Cash position, operating cash flow, and capital deployment not provided
- Near-term outlook, guidance, and headwinds not provided
Risk Factors
- No material changes from the December 31, 2025 Form 10-K risk factors
- Regulatory and legal risks remain unchanged from the prior annual filing
- Operational and competitive risks remain unchanged from the prior annual filing
- Financial and liquidity risks remain unchanged from the prior annual filing
AI summary of the MPC 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 2.02: Results of Operations and Financial Condition
- Q2 2026 financial results for quarter ended June 30, 2026
- Results press release furnished as Exhibit 99.1
Item 8.01: Other Events
- Director Abdulaziz F. Alkhayyal died June 26, 2026 after serving on MPC’s board since 2016
- Board seat vacancy affecting Compensation and Organization Development Committee
Item 2.02: Results of Operations and Financial Condition
- Q1 2026 results for quarter ended March 31, 2026
- Press release furnished as Exhibit 99.1 with detailed financial results and management commentary
AI summaries of MPC 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for MPC
Don't miss the next MPC filing
- Alerts as it files. A push when MPC files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut MPC, by share count.
- Ask anything. An AI agent that reads every MPC filing and answers with sources.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Lyon Shawn M | Sell | Aug 31, 2026 | 1,000 | $375.75 |
| Lyon Shawn M | Sell | Aug 28, 2026 | 425 | $368.51 |
| Brzezinski Erin M | Sell | Aug 27, 2026 | 570 | $362.79 |
| Benson Molly R | M | Aug 17, 2026 | 5,000 | $47.73 |
| Benson Molly R | M | Aug 17, 2026 | 7,196 | $47.73 |
| Benson Molly R | Sell | Aug 17, 2026 | 7,196 | $358.57 |
| Benson Molly R | M | Aug 17, 2026 | 7,196 | - |
| Benson Molly R | Sell | Aug 17, 2026 | 5,000 | $358.57 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $138.9B | $132.7B |
| Operating Income | $14.5B | $6.8B | $8.3B |
| Net Income | $9.7B | $3.4B | $4.0B |
| Op. Margin | - | 4.9% | 6.2% |
| Net Margin | - | 2.5% | 3.0% |
| Balance Sheet | |||
| Total Assets | - | $78.9B | $84.0B |
| Equity | - | $17.7B | $17.3B |
| ROE | - | 19.4% | 23.4% |
| Per Share | |||
| EPS | - | $10.08 | $13.22 |
| Cash Flow | |||
| Operating CF | $14.1B | $8.7B | $8.3B |
| CapEx | $1.9B | $2.5B | $3.5B |
Source: XBRL data in Marathon Petroleum (MPC)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate MPC share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 61 | $33.24B |
| Q1 2026 | 61 | $31.59B |
| Q4 2025 | 55 | $21.22B |
| Q3 2025 | 56 | $26.28B |
| Q2 2025 | 54 | $22.68B |
| Q1 2025 | 49 | $15.62B |
| Q4 2024 | 43 | $12.90B |
| Q3 2024 | 44 | $8.86B |
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Source: 13F-HR filings on SEC EDGAR (aggregated from 423 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
MPC filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Sep 1, 2026 | - | - | - |
| 4 | Aug 31, 2026 | - | - | - |
| 4 | Aug 19, 2026 | - | - | - |
| 4 | Aug 17, 2026 | - | - | - |
| 4 | Aug 14, 2026 | - | - | - |
| 8-K | Aug 4, 2026 | - | Analysis | - |
| 4 | Aug 4, 2026 | - | - | - |
| 10-Q | Aug 4, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Jun 29, 2026 | - | Analysis | - |
| 4 | Jun 8, 2026 | - | - | |
| 4 | May 15, 2026 | - | - | |
| 10-Q | May 5, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | May 5, 2026 | - | Analysis | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 4 | May 4, 2026 | - | - | - |
| 8-K | May 1, 2026 | - | Analysis | - |
| SC 13G | Apr 30, 2026 | - | - |
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MPC SEC filings: frequently asked questions
Are MPC insiders buying or selling?
In the last 90 days, Marathon Petroleum (MPC) officers, directors and 10% owners reported no open-market purchases and 8 open-market sales worth $9.8 million by 4 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold MPC stock?
As of June 30, 2026, the largest Marathon Petroleum (MPC) holders among the 13F filers tracked by SignalX were BlackRock ($6.6 billion), Vanguard Capital Management LLC ($4.9 billion), State Street Corp ($4.7 billion), Vanguard Portfolio Management LLC ($4.0 billion), Morgan Stanley ($1.5 billion). 13F-HR reports are filed up to 45 days after each quarter ends.
What was MPC's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Marathon Petroleum (MPC) reported revenue of $132.7 billion (down 4.4% from FY2024) and net income of $4.0 billion. Diluted EPS was $13.22. The figures come from the XBRL data in the 10-K.
What are the main risks in MPC's latest 10-K?
In the 10-K filed February 26, 2026, Marathon Petroleum (MPC) flagged: California SB X1-2 and AB X2-1 empower CEC to cap gasoline refining margins and mandate minimum fuel inventories, directly threatening MPC's LA and Martinez facilities. Total debt $33.31B at Dec 31, 2025, with $26.01B sitting at MPLX subsidiary level, creating structural leverage concentration. (AI summary of the Risk Factors section.)
What did MPC report in its latest 8-K?
Marathon Petroleum (MPC) filed an 8-K on August 4, 2026 reporting Item 2.02 (Results of Operations and Financial Condition). Q2 2026 financial results for quarter ended June 30, 2026.
What are the latest MPC SEC filings?
Marathon Petroleum (MPC) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on August 4, 2026 and a Form 4 insider filing on September 1, 2026.
What is MPC's SEC CIK number?
Marathon Petroleum (MPC)'s SEC Central Index Key (CIK) is 1510295. EDGAR lists every MPC filing under that number.
Ask anything about MPC
The research agent reads MPC's filings, financials, insider trades and 13F holders, then answers with sources.