Marathon Petroleum (MPC) Shares Outstanding (Diluted) (2010 - 2026)
Marathon Petroleum's Weighted Average Shares Outstanding (Diluted) came in at 280 million for Q3 2026, down 7.9% from 304 million a year earlier and down 3.4% from the prior quarter.
Marathon Petroleum (MPC) Shares Outstanding (Diluted) (2010 - 2026) Analysis & Trends
For FY2025, Marathon Petroleum's Weighted Average Shares Outstanding (Diluted) was 306 million, down 10.3% from FY2024.
- Weighted Average Shares Outstanding (Diluted) has declined in each of the last six years, with a five-year compound annual growth rate of -14.0% (FY2020 to FY2025).
- Going back by year, Weighted Average Shares Outstanding (Diluted) was 341 million in FY2024 (-16.6%), 409 million in FY2023 (-20.7%), 516 million in FY2022 (-19.1%) and 638 million in FY2021 (-1.7%).
- The Q3 2026 figure represents the lowest quarterly Weighted Average Shares Outstanding (Diluted) in data going back to Q2 2010.
- Year-over-year, Weighted Average Shares Outstanding (Diluted) has declined for 21 consecutive quarters, with an average decline of 10.0% over the last eight quarters.
- Across the past five years, year-over-year decline in Weighted Average Shares Outstanding (Diluted) ran from 1.7% in Q4 2021 to 22.4% in Q3 2022.
- Business Quant data shows MPC's Weighted Average Shares Outstanding (Diluted) at 290 million (Q2 2026), 295 million (Q1 2026) and 306 million (Q4 2025) in the three quarters before Q3 2026.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Shares Outstanding (Dil.) (Qtr) |
|---|---|---|---|---|---|
| 1 | Marathon Petroleum | 112.89 Bn | 92.33 Bn | 12.69 Bn | 280.00 Mn |
| 2 | Valero Energy | 105.91 Bn | 80.88 Bn | 9.41 Bn | 285.00 Mn |
| 3 | HF Sinclair | 17.51 Bn | 9.85 Bn | 3.15 Bn | 175.87 Mn |
| 4 | Sunoco | 8.96 Bn | 5.82 Bn | 1.56 Bn | 137.90 Mn |
| 5 | PBF Energy | 8.70 Bn | 4.34 Bn | 2.17 Bn | 122.76 Mn |
| 6 | Ultrapar Holdings | 6.21 Bn | -1.35 Bn | 2.61 Bn | 1.10 Bn |
| 7 | Delek US Holdings | 4.15 Bn | 1.30 Bn | 1.58 Bn | 62.22 Mn |
| 8 | Cvr Energy | 4.12 Bn | 1.25 Bn | 783.00 Mn | 100.50 Mn |
| 9 | Par Pacific Holdings | 3.66 Bn | 2.45 Bn | 715.29 Mn | 49.67 Mn |
| 10 | Icahn Enterprises | 3.59 Bn | -1.86 Bn | 816.00 Mn | 716.00 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 280.00 Mn |
| Jun 30, 2026 | 290.00 Mn |
| Mar 31, 2026 | 295.00 Mn |
| Dec 31, 2025 | 306.00 Mn |
| Sep 30, 2025 | 304.00 Mn |
| Jun 30, 2025 | 307.00 Mn |
| Mar 31, 2025 | 313.00 Mn |
| Dec 31, 2024 | 341.00 Mn |
| Sep 30, 2024 | 332.00 Mn |
| Jun 30, 2024 | 350.00 Mn |
| Mar 31, 2024 | 362.00 Mn |
| Dec 31, 2023 | 409.00 Mn |
| Sep 30, 2023 | 396.00 Mn |
| Jun 30, 2023 | 419.00 Mn |
| Mar 31, 2023 | 447.00 Mn |
| Dec 31, 2022 | 516.00 Mn |
| Sep 30, 2022 | 494.00 Mn |
| Jun 30, 2022 | 536.00 Mn |
| Mar 31, 2022 | 568.00 Mn |
| Dec 31, 2021 | 638.00 Mn |
Marathon Petroleum Shares Outstanding (Diluted) 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=shares-outstanding-diluted&ticker=MPC&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "shares-outstanding-diluted", "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=shares-outstanding-diluted&ticker=MPC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();