Marathon OilMRO
13F holders, Q1 2026 (March 31)2holders +1
1new positions
0sold out
$35.30avg. 13F price*
At the end of Q1 2026, 2 institutions reported holding Marathon Oil Corp. (MRO) in their 13F filings, up 1 from Q4 2025. 1 opened new positions and 0 sold out. The largest holders were Kentucky Retirement Systems ($2.0M) and Huntington National Bank ($29).
- Company
- Marathon Oil Corp.
- CUSIP
- 565849106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $2.0M |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 57,515 shares bought, net +57,515 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 2 holders
| Kentucky Retirement Systems | 0.15% | New | 57,515 | $2.0M |
| Huntington National Bank | 0.00% | No change | 1 | $29 |
"% of holder's portfolio" is MRO's weight in each manager's 13F, not the share of Marathon Oil Corp. the manager owns.