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Marathon Petroleum
MPC

1,657 hedge funds and large institutions have $42.4B invested in Marathon Petroleum in 2025 Q3 according to their latest regulatory filings, with 194 funds opening new positions, 496 increasing their positions, 621 reducing their positions, and 77 closing their positions.

New
Increased
Maintained
Reduced
Closed

152% more first-time investments, than exits

New positions opened: 194 | Existing positions closed: 77

26% more call options, than puts

Call options by funds: $750M | Put options by funds: $594M

9% more capital invested

Capital invested by funds: $39B → $42.4B (+$3.36B)

6% more funds holding in top 10

Funds holding in top 10: 16 → 17 (+1)

6% more funds holding

Funds holding: 1,567 → 1,657 (+90)

3.26% less ownership

Funds ownership: 75.61% → 72.35% (-3.3%)

20% less repeat investments, than reductions

Existing positions increased: 496 | Existing positions reduced: 621

Holders
1,657
Holders Change
+90
Holders Change %
+5.74%
% of All Funds
21.75%
Holding in Top 10
17
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+6.25%
% of All Funds
0.22%
New
194
Increased
496
Reduced
621
Closed
77
Calls
$750M
Puts
$594M
Net Calls
+$156M
Net Calls Change
-$97.3M

Top Buyers

1
Millennium Management
Millennium Management
New York
+$236M
2
Two Sigma Investments
Two Sigma Investments
New York
+$136M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$129M
4
Two Sigma Advisers
Two Sigma Advisers
New York
+$91M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$82.2M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
-$406M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
-$347M
3
BlackRock
BlackRock
New York
-$176M
4
Goldman Sachs
Goldman Sachs
New York
-$147M
5
UBS AM
UBS AM
Illinois
-$121M
Name Holding Trade Value Shares
Change 		Change in
Stake
PAMG
901
Patton Albertson Miller Group
Tennessee
$583K +$532K +3,025 New
IF
902
Intrua Financial
Texas
$582K -$11.3K -64 -2%
CG
903
Cynosure Group
Utah
$582K – – –
PAM
904
Palisade Asset Management
Minnesota
$579K +$1.05K +6 +0.2%
LSIA
905
LaSalle St. Investment Advisors
Illinois
$579K -$20.9K -119 -4%
FCP
906
Fidelis Capital Partners
Florida
$579K +$8.79K +50 +2%
LT
907
Legacy Trust
Michigan
$578K +$528K +3,001 New
PWM
908
Parkshore Wealth Management
California
$578K – – –
CWA
909
Crux Wealth Advisors
California
$576K -$7.74K -44 -1%
DMBA
910
Deseret Mutual Benefit Administrators
Utah
$574K +$243K +1,379 +86%
BMWM
911
Brown Miller Wealth Management
Virginia
$574K – – –
AWM
912
Aprio Wealth Management
Georgia
$571K +$14.8K +84 +3%
CBA
913
Coastal Bridge Advisors
Connecticut
$568K +$25.1K +143 +5%
CB
914
Centennial Bank
Arkansas
$568K – – –
LWP
915
LMG Wealth Partners
Louisiana
$568K +$1.05K +6 +0.2%
HFM
916
Harvest Fund Management
China
$567K +$189K +1,076 +58%
IAN
917
Integrated Advisors Network
Texas
$563K +$137K +777 +36%
PFPT
918
Pinnacle Financial Partners (Tennessee)
Tennessee
$562K -$489K -2,781 -49%
WA
919
WealthTrust Axiom
Pennsylvania
$562K +$89.2K +507 +21%
PWM
920
Perigon Wealth Management
California
$561K -$22.2K -126 -4%
WAM
921
Weiss Asset Management
Massachusetts
$560K +$511K +2,904 New
AC
922
Avestar Capital
New York
$558K -$24.6K -140 -5%
SWA
923
Sax Wealth Advisors
New Jersey
$554K +$13.9K +79 +3%
DWA
924
Douglass Winthrop Advisors
New York
$554K +$505K +2,873 New
EWM
925
Evercore Wealth Management
New York
$552K – – –
35 36
37
38 39

MPC Hedge Fund Activity: Q3 2025 in Review

1,657 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Marathon Petroleum (MPC) for Q3 2025, worth a combined $42.4B — up 8.6% from $39B a quarter earlier.

Buyers outnumbered sellers: 194 funds opened new MPC positions and 77 closed out — a net gain of 117 holders — while 496 added to existing stakes and 621 trimmed.

The largest buyer was Millennium Management, adding an estimated $236M. The largest seller was Wellington Management Group, cutting an estimated $406M.

  • 1,657 institutional investors held Marathon Petroleum (MPC) as of Q3 2025, up from 1,567 in Q2 2025.
  • Funds reported $42.4B of Marathon Petroleum stock for Q3 2025, up 8.6% quarter-over-quarter.
  • 194 funds opened new Marathon Petroleum positions in Q3 2025 and 77 closed out, a net change of +117 holders.
  • The largest Marathon Petroleum buyer in Q3 2025 was Millennium Management, an estimated $236M added.
  • The largest Marathon Petroleum seller in Q3 2025 was Wellington Management Group, an estimated $406M sold.

Based on aggregated 13F filings for Q3 2025.