Marathon Petroleum
1,568 hedge funds and large institutions have $39B invested in Marathon Petroleum in 2025 Q2 according to their latest regulatory filings, with 153 funds opening new positions, 529 increasing their positions, 588 reducing their positions, and 123 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 8 → 16 (+8)
58% more call options, than puts
Call options by funds: $690M | Put options by funds: $437M
24% more first-time investments, than exits
New positions opened: 153 | Existing positions closed: 123
16% more capital invested
Capital invested by funds: $33.7B → $39B (+$5.33B)
1% more funds holding
Funds holding: 1,555 → 1,568 (+13)
0.23% less ownership
Funds ownership: 75.84% → 75.61% (-0.23%)
10% less repeat investments, than reductions
Existing positions increased: 529 | Existing positions reduced: 588
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$588M |
| 2 |
Harris Associates
Chicago,
Illinois
|
+$299M |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$155M |
| 4 |
JP Morgan Chase
New York
|
+$116M |
| 5 |
Boston Partners
Boston,
Massachusetts
|
+$107M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DFG
Demars Financial Group
Spokane Valley,
Washington
|
-$702M |
| 2 |
Pacer Advisors
Malvern,
Pennsylvania
|
-$224M |
| 3 |
Amundi
Paris,
France
|
-$185M |
| 4 |
State Street
Boston,
Massachusetts
|
-$154M |
| 5 |
BlackRock
New York
|
-$135M |
MPC Hedge Fund Activity: Q2 2025 in Review
1,568 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Marathon Petroleum (MPC) for Q2 2025, worth a combined $39B — up 16% from $33.7B a quarter earlier.
Buyers outnumbered sellers: 153 funds opened new MPC positions and 123 closed out — a net gain of 30 holders — while 529 added to existing stakes and 588 trimmed.
The largest buyer was Vanguard Group, adding an estimated $588M. The largest seller was Demars Financial Group, cutting an estimated $702M.
- 1,568 institutional investors held Marathon Petroleum (MPC) as of Q2 2025, up from 1,555 in Q1 2025.
- Funds reported $39B of Marathon Petroleum stock for Q2 2025, up 16% quarter-over-quarter.
- 153 funds opened new Marathon Petroleum positions in Q2 2025 and 123 closed out, a net change of +30 holders.
- The largest Marathon Petroleum buyer in Q2 2025 was Vanguard Group, an estimated $588M added.
- The largest Marathon Petroleum seller in Q2 2025 was Demars Financial Group, an estimated $702M sold.
Based on aggregated 13F filings for Q2 2025.