Marathon Petroleum
1,555 hedge funds and large institutions have $33.7B invested in Marathon Petroleum in 2025 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 486 increasing their positions, 638 reducing their positions, and 115 closing their positions.
28% more call options, than puts
Call options by funds: $484M | Put options by funds: $378M
18% more first-time investments, than exits
New positions opened: 136 | Existing positions closed: 115
2.35% more ownership
Funds ownership: 73.49% → 75.84% (+2.3%)
1% more capital invested
Capital invested by funds: $33.5B → $33.7B (+$181M)
0% more funds holding
Funds holding: 1,555 → 1,555 (0)
11% less funds holding in top 10
Funds holding in top 10: 9 → 8 (-1)
24% less repeat investments, than reductions
Existing positions increased: 486 | Existing positions reduced: 638
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$567M |
| 2 |
Harris Associates
Chicago,
Illinois
|
+$316M |
| 3 |
Boston Partners
Boston,
Massachusetts
|
+$298M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
+$276M |
| 5 |
JP Morgan Chase
New York
|
+$191M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
-$216M |
| 2 |
CWP
Capital Wealth Planning
Naples,
Florida
|
-$188M |
| 3 |
State Street
Boston,
Massachusetts
|
-$182M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$142M |
| 5 |
National Bank of Canada
Montreal,
Quebec, Canada
|
-$136M |
MPC Hedge Fund Activity: Q1 2025 in Review
1,555 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Marathon Petroleum (MPC) for Q1 2025, worth a combined $33.7B — up 0.54% from $33.5B a quarter earlier.
Buyers outnumbered sellers: 136 funds opened new MPC positions and 115 closed out — a net gain of 21 holders — while 486 added to existing stakes and 638 trimmed.
The largest buyer was Vanguard Group, adding an estimated $567M. The largest seller was Ameriprise, cutting an estimated $216M.
- 1,555 institutional investors held Marathon Petroleum (MPC) as of Q1 2025, unchanged from Q4 2024.
- Funds reported $33.7B of Marathon Petroleum stock for Q1 2025, up 0.54% quarter-over-quarter.
- 136 funds opened new Marathon Petroleum positions in Q1 2025 and 115 closed out, a net change of +21 holders.
- The largest Marathon Petroleum buyer in Q1 2025 was Vanguard Group, an estimated $567M added.
- The largest Marathon Petroleum seller in Q1 2025 was Ameriprise, an estimated $216M sold.
Based on aggregated 13F filings for Q1 2025.