Marathon Oil Corporation (MRO)
CRUDE PETROLEUM & NATURAL GAS
Marathon Oil Corporation (MRO) was listed on the New York Stock Exchange from January 3, 1972 and stopped trading under the symbol MRO on November 25, 2024.
- Listed On
- the New York Stock Exchange
- Listed Since
- January 3, 1972
- Stopped Trading
- November 25, 2024
- Employees
- 1,681
About Marathon Oil Corporation
Marathon is an independent exploration and production company primarily focusing on unconventional resources in the United States. At the end of 2023, the company reported net proved reserves of 1.1 billion barrels of oil equivalent. Net production averaged 405 thousand barrels of oil equivalent per day in 2023 at a ratio of roughly 70% oil and NGLs and 30% natural gas.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 1 institution reported holding MRO, with 1 shares worth $29 in aggregate. The largest reported holder was Huntington National Bank, with 1 shares worth $29. Of the 1 largest holders listed below, 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Huntington National Bank | 1 | $29 | Unchanged |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is MRO?
Marathon Oil Corporation (MRO) was listed on the New York Stock Exchange from January 3, 1972 and stopped trading under the symbol MRO on November 25, 2024.
Who are the largest institutional holders of MRO?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of MRO were Huntington National Bank.
How many institutions own MRO?
1 institution reported a position in MRO for the quarter ended June 30, 2026, worth $29 in total.
Did institutions buy or sell MRO last quarter?
Of the 1 largest reported holders, 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for MRO.
Every reported institutional holder, plus insider and congressional trades in MRO, on SentiSense.