Marathon Petroleum (MPC) Inventory (2010 - 2026)
Marathon Petroleum's (MPC) quarterly Inventory came in at $10.0 billion in Q2 2026, down 1.32% year-over-year from $10.1 billion in Q2 2025, and down 7.35% quarter-over-quarter from $10.8 billion in Q1 2026.
Powered by 
Analysis
Marathon Petroleum (MPC) Inventory (2010 - 2026) Analysis & Trends
Marathon Petroleum has disclosed Inventory across 17 years of filings, most recently posting $10.0 billion for Q2 2026.
- In Q2 2026, Inventory fell 1.32% year-over-year to $10.0 billion; the TTM figure through Jun 2026 stood at $10.0 billion (down 1.32% YoY), while the FY2025 annual figure was $10.1 billion, up 5.86% from the prior year.
- Inventory came in at $10.0 billion for Q2 2026 at Marathon Petroleum, down from $10.8 billion in the prior quarter.
- In the past five years, Inventory ranged from a high of $11.0 billion in Q2 2022 to a low of $8.8 billion in Q4 2022.
- Average Inventory over 5 years is $9.9 billion, with a median of $9.9 billion recorded in 2022.
- Year-over-year, Inventory grew 24.43% in 2022 and slipped 13.69% in 2023.
- Over 5 years, Inventory stood at $8.8 billion in 2022, then grew by 5.55% to $9.3 billion in 2023, then advanced by 2.69% to $9.6 billion in 2024, then increased by 5.86% to $10.1 billion in 2025, then decreased by 1.54% to $10.0 billion in 2026.
- Per Business Quant data, the three most recent Inventory figures were $10.0 billion in Q2 2026, $10.8 billion in Q1 2026, and $10.1 billion in Q4 2025.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Inventory (Qtr) |
|---|---|---|---|---|---|
| 1 | Marathon Petroleum | 109.49 Bn | 108.36 Bn | 9.27 Bn | 9.97 Bn |
| 2 | Valero Energy | 108.59 Bn | 103.98 Bn | 5.47 Bn | 7.63 Bn |
| 3 | HF Sinclair | 18.97 Bn | 16.77 Bn | 1.57 Bn | 3.28 Bn |
| 4 | Sunoco | 10.01 Bn | 9.24 Bn | 1.46 Bn | 2.39 Bn |
| 5 | PBF Energy | 8.52 Bn | 7.77 Bn | 1.15 Bn | 2.89 Bn |
| 6 | Ultrapar Holdings | 8.23 Bn | 6.52 Bn | 912.61 Mn | 1.08 Bn |
| 7 | Cvr Energy | 5.25 Bn | 4.73 Bn | 117.00 Mn | 603.00 Mn |
| 8 | Icahn Enterprises | 5.06 Bn | 3.09 Bn | 198.00 Mn | 978.00 Mn |
| 9 | Delek US Holdings | 4.49 Bn | 4.10 Bn | 365.10 Mn | 999.30 Mn |
| 10 | Par Pacific Holdings | 3.96 Bn | 3.81 Bn | 852.68 Mn | 1.44 Bn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 9.97 Bn |
| Mar 31, 2026 | 10.76 Bn |
| Dec 31, 2025 | 10.13 Bn |
| Sep 30, 2025 | 9.83 Bn |
| Jun 30, 2025 | 10.11 Bn |
| Mar 31, 2025 | 10.49 Bn |
| Dec 31, 2024 | 9.57 Bn |
| Sep 30, 2024 | 9.89 Bn |
| Jun 30, 2024 | 9.80 Bn |
| Mar 31, 2024 | 9.78 Bn |
| Dec 31, 2023 | 9.32 Bn |
| Sep 30, 2023 | 10.14 Bn |
| Jun 30, 2023 | 9.54 Bn |
| Mar 31, 2023 | 10.27 Bn |
| Dec 31, 2022 | 8.83 Bn |
| Sep 30, 2022 | 9.83 Bn |
| Jun 30, 2022 | 11.05 Bn |
| Mar 31, 2022 | 9.48 Bn |
| Dec 31, 2021 | 8.06 Bn |
| Sep 30, 2021 | 9.21 Bn |
API Access
Marathon Petroleum Inventory API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=inventory&ticker=MPC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "inventory", "ticker": "MPC", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=inventory&ticker=MPC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();