# MARATHON OIL CORP (MRO)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MRO/

- Reporting holders: 1
- Reported value: $29
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [HUNTINGTON NATIONAL BANK](https://holderbook.com/funds/49205-huntington-national-bank/) | $29 | 1 | 0.0% | 31 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 1 | $29 |
| Q1 2026 | 2 | $2.0M |
| Q4 2025 | 1 | $29 |
| Q3 2025 | 1 | $29 |
| Q2 2025 | 1 | $29 |
| Q1 2025 | 2 | $490.0K |
| Q4 2024 | 7 | $4.6M |
| Q3 2024 | 787 | $12.2B |
| Q2 2024 | 832 | $13.1B |
| Q1 2024 | 829 | $14.1B |
| Q4 2023 | 841 | $11.6B |
| Q3 2023 | 806 | $12.6B |