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Marathon Petroleum

1,881 hedge funds and large institutions have $53.9B invested in Marathon Petroleum in 2026 Q1 according to their latest regulatory filings, with 348 funds opening new positions, 565 increasing their positions, 673 reducing their positions, and 112 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more call options, than puts

Call options by funds: $ | Put options by funds: $

12% more funds holding

Funds holding: 1,6731,881 (+208)

0.62% more ownership

Funds ownership: 74.36%74.98% (+0.62%)

16% less repeat investments, than reductions

Existing positions increased: 565 | Existing positions reduced: 673

Holders
1,881
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$861M
Puts
$631M
Net Calls
Net Calls Change

Top Buyers

1 +$398M
2 +$291M
3 +$220M
4
Two Sigma Investments
Two Sigma Investments
New York
+$129M
5
Goldman Sachs
Goldman Sachs
New York
+$83.8M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$85.2M
PNC Financial Services Group
77
PNC Financial Services Group
Pennsylvania
$84M
Russell Investments Group
78
Russell Investments Group
United Kingdom
$81M
Korea Investment Corp
79
Korea Investment Corp
South Korea
$78.8M
Calamos Advisors
80
Calamos Advisors
Illinois
$77.9M
MIM
81
Merewether Investment Management
Texas
$75.8M
OSAM
82
O'Shaughnessy Asset Management
Connecticut
$67.6M
First Trust Advisors
83
First Trust Advisors
Illinois
$67.5M
Aviva
84
Aviva
United Kingdom
$66.1M
State Board of Administration of Florida Retirement System
85
State Board of Administration of Florida Retirement System
Florida
$65.7M
New York State Teachers Retirement System (NYSTRS)
86
New York State Teachers Retirement System (NYSTRS)
New York
$62.8M
Bank of Nova Scotia
87
Bank of Nova Scotia
Ontario, Canada
$62.5M
KBC Group
88
KBC Group
Belgium
$61.3M
Rockefeller Capital Management
89
Rockefeller Capital Management
New York
$61.1M
AllianceBernstein
90
AllianceBernstein
Tennessee
$60.1M
HPC
91
HM Payson & Co
Maine
$59.9M
Adage Capital Partners
92
Adage Capital Partners
Massachusetts
$58.4M
Teacher Retirement System of Texas
93
Teacher Retirement System of Texas
Texas
$58.4M
Canada Life
94
Canada Life
Manitoba, Canada
$58M
Mitsubishi UFJ Trust & Banking
95
Mitsubishi UFJ Trust & Banking
Japan
$56.8M
Prudential Financial
96
Prudential Financial
New Jersey
$54.2M
HighTower Advisors
97
HighTower Advisors
Illinois
$53.9M
WHRC
98
W.H. Reaves & Co
New Jersey
$53.9M
MHC
99
Meyer Handelman Company
New York
$53.6M
GF
100
Gabelli Funds
New York
$52.5M