SEC 13F ownership
Mild accumulationMarathon Petroleum Corporation institutional positioning
Marathon Petroleum Corporation shows mild accumulation in the latest SEC 13F quarter: -2.5% reported shares, 42 managers reporting.
13F value52.1B+45.7% versus prior quarter
Reported shares216.7M-2.5% versus prior quarter
Managers42-17 manager change
Option tilt+12.3%Call less put value share
Latest SEC 13F quarter may still be incomplete because linked manager count is materially below the prior quarter.
13F ownership trend
Q4 '23 to Q1 '26Reported value path, quarterly change, and manager coverage
Latest reported value52.1B+45.7% QoQ
Trend over chart+29.7%Q4 '23 to Q1 '26
Manager positions1,881+209 QoQ
SEC 13F ownership historyDec 31, 2023Quarterly SEC 13F history1 companiesReported value 40.2BValue change -5.5%Reported shares 277.4MManagers 1,561This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Mar 31, 2024Quarterly SEC 13F history1 companiesReported value 51.3BValue change +27.7%Reported shares 259.7MManagers 1,702This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Jun 30, 2024Quarterly SEC 13F history1 companiesReported value 42.8BValue change -16.5%Reported shares 252.1MManagers 1,659This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Sep 30, 2024Quarterly SEC 13F history1 companiesReported value 37.6BValue change -12.2%Reported shares 235.1MManagers 1,580This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Dec 31, 2024Quarterly SEC 13F history1 companiesReported value 31.8BValue change -15.5%Reported shares 236.4MManagers 1,559This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Mar 31, 2025Quarterly SEC 13F history1 companiesReported value 32.4BValue change +2.1%Reported shares 234.6MManagers 1,564This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Jun 30, 2025Quarterly SEC 13F history1 companiesReported value 38BValue change +17.1%Reported shares 231.5MManagers 1,573This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Sep 30, 2025Quarterly SEC 13F history1 companiesReported value 42BValue change +10.7%Reported shares 220MManagers 1,659This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Dec 31, 2025Quarterly SEC 13F history1 companiesReported value 35.8BValue change -14.9%Reported shares 222.2MManagers 1,672This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow. Mar 31, 2026Quarterly SEC 13F history1 companiesReported value 52.1BValue change +45.7%Reported shares 216.7MManagers 1,881This is a delayed quarterly ownership snapshot, useful for sponsorship trend, not intraday flow.
Reported value path QoQ value change Manager-position coverage