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Marathon Petroleum Corp

MPC
Exchange
NYSE
Industry
Petroleum Refining
SEC CIK
0001510295

In the last 90 days, Marathon Petroleum Corp insiders filed 0 open-market purchases and 5 sales; 1,954 institutions reported holding it in 13F filings for Q2 2026, worth $56.0B in total; Harris Associates (Oakmark) is the only superinvestor holding it.

13F holders, Q2 2026

Institutional positions in Marathon Petroleum Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,954
+82 vs. Q1 2026
Shares held
219.0M
−1.91M (−0.9%) vs. Q1 2026
Total value
$56.0B
+$2.11B (+3.9%) vs. Q1 2026
New holders
175
686 more added
Sold out
93
718 more reduced

25 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,954 institutions
Q1 2021: 976 institutionsQ2 2021: 1,004 institutionsQ3 2021: 1,008 institutionsQ4 2021: 1,098 institutionsQ1 2022: 1,185 institutionsQ2 2022: 1,234 institutionsQ3 2022: 1,293 institutionsQ4 2022: 1,391 institutionsQ1 2023: 1,442 institutionsQ2 2023: 1,356 institutionsQ3 2023: 1,476 institutionsQ4 2023: 1,554 institutionsQ1 2024: 1,692 institutionsQ2 2024: 1,653 institutionsQ3 2024: 1,583 institutionsQ4 2024: 1,562 institutionsQ1 2025: 1,564 institutionsQ2 2025: 1,572 institutionsQ3 2025: 1,662 institutionsQ4 2025: 1,679 institutionsQ1 2026: 1,897 institutionsQ2 2026: 1,954 institutions
Value heldQ2 2026: $56.0B
Q1 2021: $27.0BQ2 2021: $29.5BQ3 2021: $29.6BQ4 2021: $28.9BQ1 2022: $36.1BQ2 2022: $32.3BQ3 2022: $36.1BQ4 2022: $40.9BQ1 2023: $44.3BQ2 2023: $35.4BQ3 2023: $43.8BQ4 2023: $41.1BQ1 2024: $52.7BQ2 2024: $43.4BQ3 2024: $38.9BQ4 2024: $32.4BQ1 2025: $33.7BQ2 2025: $38.5BQ3 2025: $42.4BQ4 2025: $36.4BQ1 2026: $53.9BQ2 2026: $56.0B
Institutions holding MPC and their total value by quarter
QuarterHoldersValue
Q2 20261,954$56.0B
Q1 20261,897$53.9B
Q4 20251,679$36.4B
Q3 20251,662$42.4B
Q2 20251,572$38.5B
Q1 20251,564$33.7B
Q4 20241,562$32.4B
Q3 20241,583$38.9B
Q2 20241,653$43.4B
Q1 20241,692$52.7B
Q4 20231,554$41.1B
Q3 20231,476$43.8B
Q2 20231,356$35.4B
Q1 20231,442$44.3B
Q4 20221,391$40.9B
Q3 20221,293$36.1B
Q2 20221,234$32.3B
Q1 20221,185$36.1B
Q4 20211,098$28.9B
Q3 20211,008$29.6B
Q2 20211,004$29.5B
Q1 2021976$27.0B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Marathon Petroleum Corp; share changes are against Q1 2026.

Institutions holding MPC in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
D'Orazio & Associates, Inc.1,769$452.3K0.05%+9+0.5%Added
One Wealth Advisors, LLC1,766$451.5K0.05%−687−28.0%Reduced
Fielder Capital Group LLC1,763$450.8K0.10%+8+0.5%Added
Ethos Financial Group, LLC1,457$449.8K0.03%+383+35.7%Added
TownSquare Capital, LLC1,759$449.7K0.08%+67+4.0%Added
Everett Harris & Co1,752$447.9K0.01%00.0%Unchanged
McMillan Office, Inc.1,750$447.4K0.05%00.0%Unchanged
Michels Family Financial, LLC1,742$445.4K0.29%+2+0.1%Added
Brady Family Wealth, LLC1,730$442.3K0.13%00.0%Unchanged
Cromwell Holdings LLC1,728$441.8K0.20%+32+1.9%Added
Signature Estate & Investment Advisors LLC1,713$440.1K0.01%+254+17.4%Added
River Wealth Advisors LLC1,720$439.9K0.05%00.0%Unchanged
Sage Mountain Advisors LLC1,720$439.8K0.03%+1,720New
OneAscent Wealth Management LLC1,716$438.7K0.13%−34−1.9%Reduced
Ruedi Wealth Management, Inc.1,714$438.1K0.10%−178−9.4%Reduced
Triad Wealth Partners, LLC1,426$437.7K0.03%+464+48.2%Added
Heritage Trust Co1,701$434.9K0.04%+6+0.4%Added
Marathon Capital Management1,700$434.6K0.09%00.0%Unchanged
LVW Advisors, LLC1,696$433.6K0.04%+254+17.6%Added
Cherry Creek Investment Advisors, Inc.1,695$433.4K0.17%−61−3.5%Reduced
C M Bidwell & Associates Ltd1,691$432.3K0.18%+223+15.2%Added
Florida Financial Advisors, LLC1,675$429.0K0.07%+153+10.1%Added
Clear Creek Financial Management, LLC1,672$427.4K0.03%+2+0.1%Added
Warwick Investment Management, Inc.1,668$426.5K0.05%+96+6.1%Added
American Alpha Advisors, LLC1,667$426.2K0.25%+60+3.7%Added
Sterling Investment Counsel, LLC1,665$425.7K0.10%00.0%Unchanged
First Heartland Consultants, Inc.1,662$425.0K0.03%−39−2.3%Reduced
Transamerica Financial Advisors, Inc.1,662$425.0K0.04%+9+0.5%Added
Legacy Capital Wealth Partners, LLC1,661$424.6K0.08%+451+37.3%Added
Heritage Investment Group, Inc.1,649$421.5K0.06%00.0%Unchanged
VeraBank, N.A.1,648$421.3K0.07%00.0%Unchanged
Vanguard Capital Wealth Advisors1,640$419.3K0.28%−51−3.0%Reduced
High Net Worth Advisory Group LLC1,636$418.3K0.09%+42+2.6%Added
USA Financial Formulas1,636$418.3K0.08%+1,636New
Versant Capital Management, Inc1,630$416.7K0.04%+33+2.1%Added
Zions Bancorporation, National Association1,629$416.5K0.02%+109+7.2%Added
Sigma Investment Counselors Inc1,627$415.9K0.02%00.0%Unchanged
Platform Technology Partners1,624$415.2K0.07%+14+0.9%Added
Latitude Advisors, LLC1,622$414.7K0.17%00.0%Unchanged
Spears Abacus Advisors LLC1,619$413.9K0.01%00.0%Unchanged
Pettyjohn, Wood & White, Inc1,618$413.7K0.06%00.0%Unchanged
Quent Capital, LLC1,617$413.5K0.03%−15−0.9%Reduced
Trust Co of the South1,617$413.4K0.06%00.0%Unchanged
Range Advisory, LLC1,617$413.4K0.05%+1,617New
Drucker Wealth 3.0, LLC1,615$413.0K0.07%−1−0.1%Reduced
Augustine Asset Management Inc1,613$412.4K0.08%−91−5.3%Reduced
Southland Equity Partners LLC1,612$412.1K0.07%+20+1.3%Added
Prairie Wealth Advisors, Inc.0$410.9K0.10%0New
Nixon Peabody Trust Co1,602$409.6K0.03%00.0%Unchanged
Soltis Investment Advisors LLC1,598$408.7K0.02%−931−36.8%Reduced
Integrity Alliance, LLC.1,592$407.0K0.01%+178+12.6%Added
Lewis Asset Management, LLC1,591$406.8K0.14%−502−24.0%Reduced
Bridgewater Advisors Inc.1,677$405.5K0.02%+11+0.7%Added
Unify Financial Advisors1,585$405.2K0.37%00.0%Unchanged
Professional Advisory Services Inc1,584$405.0K0.05%00.0%Unchanged
Relyea Zuckerberg Hanson LLC1,584$405.0K0.03%+37+2.4%Added
Polymer Capital Management (US) LLC1,583$404.7K0.06%−2,417−60.4%Reduced
Camden National Bank1,583$404.7K0.05%−833−34.5%Reduced
Werba Rubin Papier Wealth Management1,576$402.9K0.05%−104−6.2%Reduced
CPA Asset Management LLC1,575$402.7K0.12%00.0%Unchanged
United Advisor Group, LLC1,575$402.6K0.04%−6,605−80.7%Reduced
Amplius Wealth Advisors, LLC1,574$402.4K0.03%+7+0.4%Added
Avenue 1 Advisors, LLC1,566$400.4K0.11%−8−0.5%Reduced
Circle Wealth Management, LLC1,562$399.4K0.01%00.0%Unchanged
Oslo Pensjonsforsikring AS1,554$397.3K0.05%00.0%Unchanged
Commerce Advisors, LLC1,550$396.3K0.22%−19−1.2%Reduced
Westover Capital Advisors, LLC1,550$396.3K0.07%00.0%Unchanged
Eddie Patel Inc1,546$395.2K0.24%+1,546New
Anchyra Partners LLC1,537$393.0K0.09%+7+0.5%Added
SlateStone Wealth, LLC1,527$390.0K0.03%00.0%Unchanged
Southeast Asset Advisors Inc.1,525$389.9K0.04%00.0%Unchanged
Green Square Capital Advisors LLC1,524$389.5K0.04%00.0%Unchanged
Great Lakes Retirement, Inc.1,522$389.2K0.03%00.0%Unchanged
Northstar Group, Inc.1,519$388.4K0.05%00.0%Unchanged
White Pine Capital LLC1,510$386.1K0.09%00.0%Unchanged
Rathbone Brothers plc1,509$385.8K0.00%00.0%Unchanged
Schear Investment Advisers, LLC1,508$385.6K0.13%+51+3.5%Added
Reston Wealth Management LLC1,505$384.7K0.10%+3+0.2%Added
Prelude Capital Management, LLC1,501$383.8K0.03%+1,501New
Enterprise Financial Services Corp1,501$383.8K0.16%−18−1.2%Reduced
Sava Infond d.o.o.1,500$383.5K0.03%−1,000−40.0%Reduced
Bramshill Investments, LLC1,500$383.5K0.03%−500−25.0%Reduced
Arthur M. Cohen & Associates, LLC1,500$383.5K0.06%00.0%Unchanged
Haverford Trust Co1,500$383.5K0.00%+274+22.3%Added
Miller Financial Services LLC1,500$383.5K0.31%+1,500New
Westside Investment Management, Inc.1,499$383.2K0.05%00.0%Unchanged
Farmers & Merchants Trust Co of Chambersburg PA1,493$382.0K0.10%−124−7.7%Reduced
Plancorp, LLC1,285$381.5K0.01%−1,210−48.5%Reduced
Perpetual Ltd1,470$375.8K0.01%00.0%Unchanged
Lionshead Wealth Management, LLC1,470$375.8K0.24%+14+1.0%Added
North Star Asset Management Inc1,469$375.6K0.01%−39−2.6%Reduced
Apella Capital, LLC1,409$375.3K0.01%+27+2.0%Added
Silverlake Wealth Management LLC1,466$374.9K0.07%−10−0.7%Reduced
Commonwealth Financial Services, LLC1,465$374.6K0.05%−204−12.2%Reduced
MONECO Advisors, LLC1,463$373.9K0.02%+94+6.9%Added
Fidelity D & D Bancorp Inc1,459$373.0K0.13%00.0%Unchanged
First National Bank Sioux Falls1,648$372.8K0.10%00.0%Unchanged
Vista Investment Partners LLC1,458$372.7K0.09%+1+0.1%Added
Summit Wealth Partners, LLC1,454$371.7K0.05%00.0%Unchanged
VisionPoint Advisory Group, LLC1,449$370.5K0.06%+525+56.8%Added