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Marathon Petroleum

1,882 hedge funds and large institutions have $53.9B invested in Marathon Petroleum in 2026 Q1 according to their latest regulatory filings, with 347 funds opening new positions, 567 increasing their positions, 673 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed

210% more first-time investments, than exits

New positions opened: 347 | Existing positions closed: 112

100% more funds holding in top 10

Funds holding in top 10: 1326 (+13)

48% more capital invested

Capital invested by funds: $36.4B → $53.9B (+$17.5B)

37% more call options, than puts

Call options by funds: $861M | Put options by funds: $631M

12% more funds holding

Funds holding: 1,6751,882 (+207)

0.62% more ownership

Funds ownership: 74.39%75.01% (+0.62%)

16% less repeat investments, than reductions

Existing positions increased: 567 | Existing positions reduced: 673

Holders
1,882
Holders Change
+207
Holders Change %
+12.36%
% of All Funds
23.18%
Holding in Top 10
26
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+100%
% of All Funds
0.32%
New
347
Increased
567
Reduced
673
Closed
112
Calls
$861M
Puts
$631M
Net Calls
+$230M
Net Calls Change
+$205M
Name Holding Trade Value Shares
Change
Change in
Stake
VAM
51
Vanguard Asset Management
$139M +$115M +568,369 New
Mariner
52
Mariner
Kansas
$135M +$298K +1,477 +0.3%
PAM
53
Panagora Asset Management
Massachusetts
$135M +$82.9M +410,318 +290%
Citigroup
54
Citigroup
New York
$132M +$20.4M +101,101 +23%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$131M -$9.85M -48,765 -8%
Acadian Asset Management
56
Acadian Asset Management
Massachusetts
$130M +$62.6M +310,073 +141%
Bank of Montreal
57
Bank of Montreal
Ontario, Canada
$129M +$2.62M +12,960 +3%
Los Angeles Capital Management
58
Los Angeles Capital Management
California
$122M +$57.9M +286,949 +134%
A
59
AustralianSuper
Australia
$120M +$3.25M +16,099 +3%
HSBC Holdings
60
HSBC Holdings
United Kingdom
$119M -$11.7M -58,132 -11%
Thrivent Financial for Lutherans
61
Thrivent Financial for Lutherans
Minnesota
$107M +$1.1M +5,427 +1%
AQR Capital Management
62
AQR Capital Management
Connecticut
$106M +$4.68M +23,166 +6%
Millennium Management
63
Millennium Management
New York
$105M +$58.3M +288,583 +201%
LPL Financial
64
LPL Financial
California
$104M +$2.68M +13,270 +3%
Victory Capital Management
65
Victory Capital Management
Texas
$103M -$128M -633,211 -60%
Holocene Advisors
66
Holocene Advisors
New York
$101M +$83.6M +414,134 New
Arrowstreet Capital
67
Arrowstreet Capital
Massachusetts
$100M +$76.1M +376,721 +1,117%
ECP
68
Empyrean Capital Partners
California
$97.2M -$7.75M -38,400 -9%
Franklin Resources
69
Franklin Resources
California
$97.2M +$35.5M +175,954 +79%
Natixis Advisors
70
Natixis Advisors
Massachusetts
$96.3M +$31.1M +153,805 +64%
Federated Hermes
71
Federated Hermes
Pennsylvania
$94.6M +$35.9M +177,983 +85%
Marshall Wace
72
Marshall Wace
United Kingdom
$93.6M +$30.3M +149,936 +64%
Squarepoint
73
Squarepoint
New York
$90.2M +$43.5M +215,324 +140%
Envestnet Asset Management
74
Envestnet Asset Management
Illinois
$89.3M +$17M +84,355 +30%
Robeco Institutional Asset Management
75
Robeco Institutional Asset Management
Netherlands
$86.1M +$23.8M +118,047 +50%