Marathon Petroleum Corp (MPC) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 2.72% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
300M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

MPC currently has 295M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 2.72% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
May 05, 2026

10-Q filing | 295.0M shares outstanding

300M 0
Aug 05, 2025

10-Q filing | 307.0M shares outstanding

310M 0
May 06, 2025

10-Q filing | 313.0M shares outstanding

310M 0
Feb 27, 2025

10-K filing | 340.0M shares outstanding

340M 0
Nov 05, 2024

10-Q filing | 331.0M shares outstanding

330M 0
Aug 06, 2024

10-Q filing | 349.0M shares outstanding

350M 0
Apr 30, 2024

10-Q filing | 361.0M shares outstanding

360M 0
Feb 28, 2024

10-K filing | 361.4M shares outstanding

360M 0
Oct 31, 2023

10-Q filing | 394.0M shares outstanding

390M 0
Aug 01, 2023

10-Q filing | 417.0M shares outstanding

420M 0
May 02, 2023

10-Q filing | 444.0M shares outstanding

440M 0
Feb 23, 2023

10-K filing | 445.5M shares outstanding

450M 0
Nov 01, 2022

10-Q filing | 491.0M shares outstanding

490M 0
Aug 02, 2022

10-Q filing | 532.0M shares outstanding

530M 0
May 03, 2022

10-Q filing | 564.0M shares outstanding

560M 0
Feb 24, 2022

10-K filing | 565.2M shares outstanding

570M 0
Nov 02, 2021

10-Q filing | 633.0M shares outstanding

630M 0
Aug 04, 2021

10-Q filing | 650.0M shares outstanding

650M 0
May 06, 2021

10-Q filing | 651.0M shares outstanding

650M 0
Feb 26, 2021

10-K filing | 649.0M shares outstanding

650M 0
Nov 06, 2020

10-Q filing | 650.0M shares outstanding

650M 0
Aug 03, 2020

10-Q filing | 650.0M shares outstanding

650M 0
May 07, 2020

10-Q filing | 648.0M shares outstanding

650M 0
Feb 28, 2020

10-K filing | 659.0M shares outstanding

660M 0
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