MPCMarathon Petroleum

$362.31

Who owns MPC

1,826 institutions reported holding MPC for 2026Q1, together 74% of the company, more than the 1,633 a quarter earlier.

1,826

Institutions reporting a position · as of 2026Q1 · up from 1,633 the quarter before

Shares held by institutions
217.8M

Shares held by institutions · 74% of the company · long US equity positions only, as reported on Form 13F

Reported value
$53.1B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
32%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
327
Positions exited
141
Added to
470
Reduced
587
Top 10 holdersof the company
41%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q11,826217.8M$53.1B
2025Q41,633222.6M$36.2B
2025Q31,620218.9M$42.2B
2025Q21,529231.2M$38.8B
2025Q11,519235.3M$33.5B
2024Q41,519235.4M$32.3B
2024Q31,545236.7M$38.7B
2024Q21,618248.5M$43.1B
2024Q11,654260.6M$52.4B
2023Q41,516274.8M$40.8B
2023Q31,441286.8M$43.4B
2023Q21,327302.0M$35.2B
2023Q11,407326.5M$44.0B
2022Q41,363350.5M$40.8B
2022Q31,270361.4M$35.9B
2022Q21,210390.7M$32.1B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC38.0M13%$9.27B
BlackRock Inc.24.4M8.3%$5.96B
STATE STREET CORP19.0M6.4%$4.65B
GEODE CAPITAL MANAGEMENT LLC7.8M2.7%$1.90B
MORGAN STANLEY6.1M2.1%$1.48B
RAYMOND JAMES FINANCIAL INC5.8M2.0%$1.41B
Robeco Investment Management, Inc.5.6M1.9%$1.38B
WELLINGTON MANAGEMENT GROUP LLP5.6M1.9%$1.38B
FMR LLC4.9M1.7%$1.20B
Bank of New York Mellon Corp4.0M1.3%$965M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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