Energy · owned by 1 fund manager
Who owns Marathon Petroleum (MPC)?
1 of the 22 fund managers we track hold Marathon Petroleum, worth $59M combined as of Q2 2026. Bill Nygren has the biggest bet at 0.1% of the portfolio.
Ownership summary
Fund manager owners
1 / 22
0 opened new positions
Combined value
$59M
At quarter-end prices
Biggest weight
0.1%
Bill Nygren
Buyers / sellers
0 / 1
Changes in Q2 2026
Smart money take
Why it matters
When several investors with very different styles own the same company, it’s often worth a closer look. Marathon Petroleum appears in 1 of our 22 portfolios.
- Largest holder: Bill Nygren (0.1% of portfolio)
- 0 managers bought or added this quarter
- 1 manager trimmed or sold out
- 5 congressional trades disclosed recently (0 buys, 5 sells)
- Company insiders in Q3 2026: no open-market buys, sold $10M
This is not a recommendation. Do your own research.
Fund managers who own MPC
SEC 13F · Q2 2026| Investor | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Bill Nygren Oakmark Funds (Harris Associates) | 0.08% | Trimmed | 229,011 | $59M |
Congressional trades in MPCAll politician trades
| Member | Type | Amount | Traded | Disclosed |
|---|---|---|---|---|
| R David J. Taylor House · OH | Sell | $1,001 – $15,000 | 22 Sep 2026 | 1 Oct 2026 |
| R David J. Taylor House · OH | Sell | $1,001 – $15,000 | 22 Sep 2026 | 1 Oct 2026 |
| R David J. Taylor House · OH | Sell | $1,001 – $15,000 | 24 Jul 2026 | 6 Aug 2026 |
| R David J. Taylor House · OH | Sell | $1,001 – $15,000 | 24 Jul 2026 | 6 Aug 2026 |
| R Dan Newhouse House · WA | Sell | $1,001 – $15,000 | 10 Jul 2026 | 17 Jul 2026 |
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