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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
Chesapeake Wealth Management1,939$495.7K0.14%00.0%Unchanged
Engineers Gate Manager LP1,941$496.3K0.01%−34,315−94.6%Reduced
Everpar Advisors LLC1,941$496.3K0.14%00.0%Unchanged
Facet Wealth, Inc.1,944$497.0K0.01%+166+9.3%Added
Chicago Trust Co NA1,948$498.0K0.07%+15+0.8%Added
LCNB Corp1,949$498.3K0.15%−950−32.8%Reduced
Hudock, Inc.1,951$499.0K0.06%+945+93.9%Added
City National Bank of Florida1,953$499.3K0.21%+21+1.1%Added
Creative Financial Designs Inc1,954$499.5K0.02%+1+0.1%Added
SFMG, LLC1,957$500.3K0.03%+121+6.6%Added
Certified Advisory Corp1,961$501.3K0.04%+306+18.5%Added
Bullseye Investment Management, LLC1,965$502.4K0.25%00.0%Unchanged
Chatham Capital Group, Inc.1,968$503.2K0.06%00.0%Unchanged
Catalytic Wealth RIA, LLC1,972$504.2K0.03%−316−13.8%Reduced
Annex Advisory Services, LLC1,977$505.5K0.01%−9−0.5%Reduced
Range Financial Group LLC1,988$508.3K0.14%+1,988New
Caldwell Trust Co1,990$508.8K0.04%−26−1.3%Reduced
Silverleafe Capital Partners, LLC2,000$511.3K0.14%00.0%Unchanged
PPS&V Asset Management Consultants, Inc.2,000$511.3K0.28%00.0%Unchanged
AtlasMark Financial, Inc2,000$511.3K0.25%00.0%Unchanged
Wealth Preservation Advisors, LLC2,015$515.2K0.29%+2,015New
Fourth Dimension Wealth, LLC2,016$515.4K0.16%+619+44.3%Added
Main Street Financial Solutions, LLC2,021$516.7K0.03%+173+9.4%Added
Jackson Creek Investment Advisors LLC1,638$518.0K0.17%−45−2.7%Reduced
StoneX Group Inc.2,033$519.8K0.02%+1,067+110.5%Added
Retirement Planning Group, LLC2,041$521.8K0.28%00.0%Unchanged
Discipline Wealth Solutions, LLC2,046$523.2K0.05%00.0%Unchanged
Vicus Capital2,062$527.1K0.03%+213+11.5%Added
Sound Income Strategies, LLC2,064$527.7K0.02%+47+2.3%Added
Leelyn Smith, LLC2,066$528.3K0.06%−1,319−39.0%Reduced
Generali Investments, Management Co LLC2,067$528.5K0.11%+28+1.4%Added
Basecamp Wealth Advisors LLC2,067$528.5K0.10%+60+3.0%Added
Heck Capital Advisors, LLC2,067$528.6K0.03%−4−0.2%Reduced
Cyndeo Wealth Partners, LLC2,068$528.7K0.02%00.0%Unchanged
Integrated Advisors Network LLC2,069$529.0K0.02%−402−16.3%Reduced
Accredited Investors Inc.2,080$531.8K0.02%00.0%Unchanged
SmartHarvest Portfolios, LLC2,081$532.2K0.17%−50−2.3%Reduced
Spinnaker Trust2,083$532.6K0.03%00.0%Unchanged
Ironwood Investment Counsel, LLC2,084$532.8K0.07%−203−8.9%Reduced
Joel Isaacson & Co., LLC2,094$535.4K0.02%00.0%Unchanged
Diversified Enterprises, LLC2,094$535.5K0.03%−12−0.6%Reduced
Essex Financial Services, Inc.2,098$536.3K0.03%+49+2.4%Added
Searle & Co.2,098$536.4K0.12%00.0%Unchanged
Silver Oak Securities, Inc2,105$538.2K0.03%−31−1.5%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC2,108$538.9K0.01%+46+2.2%Added
TIAA Wealth Investment Management LLC2,112$540.5K0.00%+443+26.5%Added
Western Pacific Wealth Management, LP2,115$540.7K0.49%−275−11.5%Reduced
Commerzbank Aktiengesellschaft2,130$545.0K0.01%−41−1.9%Reduced
MQS Management LLC2,133$545.3K0.67%−2,669−55.6%Reduced
HHM Wealth Advisors, LLC2,137$546.3K0.05%−36−1.7%Reduced
Resolute Wealth Strategies, LLC2,138$546.6K0.21%+14+0.7%Added
Rossmore Private Capital2,143$547.9K0.04%00.0%Unchanged
First Financial Corp2,149$549.4K0.19%−50−2.3%Reduced
Outlook Wealth Advisors, LLC2,158$551.8K0.12%00.0%Unchanged
Welch Group, LLC2,164$553.3K0.02%−100−4.4%Reduced
Atticus Wealth Management, LLC2,166$553.9K0.13%+5+0.2%Added
Washington Trust Co2,173$555.6K0.02%00.0%Unchanged
Oxbow Advisors, LLC2,183$558.1K0.05%+2+0.1%Added
Global Strategic Investment Solutions, LLC2,184$558.4K0.05%−7−0.3%Reduced
Next Level Private LLC2,185$558.7K0.11%+8+0.4%Added
Heritage Investors Management Corp2,190$560.0K0.02%00.0%Unchanged
Sanchez Levi Garrett2,198$562.0K0.30%+6+0.3%Added
Harbor Investment Advisory, LLC2,200$562.4K0.04%00.0%Unchanged
Pinnacle Bancorp, Inc.2,200$562.5K0.15%00.0%Unchanged
Ocean Capital Management, LLC2,202$562.9K0.10%+6+0.3%Added
Premier Path Wealth Partners, LLC2,215$566.3K0.07%+187+9.2%Added
Peregrine Asset Advisers, Inc.2,217$566.8K0.12%−50−2.2%Reduced
Pallas Capital Advisors LLC2,224$568.6K0.02%+86+4.0%Added
Cookson Peirce & Co Inc2,227$569.4K0.02%00.0%Unchanged
Keel Point, LLC2,230$570.2K0.03%+45+2.1%Added
Zhang Financial LLC2,237$572.0K0.02%+9+0.4%Added
Athena Investment Management2,246$574.2K0.34%−1,214−35.1%Reduced
Saxony Capital Management, LLC2,250$575.3K0.26%00.0%Unchanged
Cullinan Associates Inc2,260$577.8K0.04%−100−4.2%Reduced
BIP Wealth, LLC2,263$578.5K0.02%+1,246+122.5%Added
Davis R M Inc2,264$578.7K0.01%00.0%Unchanged
Dauntless Investment Group, LLC2,264$578.8K1.00%−1,892−45.5%Reduced
Great Valley Advisor Group, Inc.2,270$580.7K0.01%+211+10.2%Added
Hazlett, Burt & Watson, Inc.2,284$584.0K0.16%−25−1.1%Reduced
Fractal Investments LLC2,291$585.7K0.07%00.0%Unchanged
MorganRosel Wealth Management, LLC2,294$586.5K0.20%−135−5.6%Reduced
Oak Harbor Wealth Partners, LLC2,295$586.8K0.22%−5,086−68.9%Reduced
Western Wealth Management, LLC2,302$588.5K0.02%−125−5.2%Reduced
Field & Main Bank2,310$590.6K0.12%−35−1.5%Reduced
Cardiff Park Advisors, LLC2,310$590.6K0.05%00.0%Unchanged
LightSquare Wealth Management, LLC2,310$590.7K0.41%−782−25.3%Reduced
Equitable Trust Co2,319$592.9K0.02%−318−12.1%Reduced
Souders Financial Advisors2,329$595.4K0.06%+40+1.7%Added
Uniting Wealth Partners, LLC2,332$596.2K0.12%−68−2.8%Reduced
CoreFirst Bank & Trust2,334$596.7K0.30%00.0%Unchanged
Clark Financial Services Group Inc2,347$600.1K0.28%−36−1.5%Reduced
AdvisorShares Investments LLC2,350$600.8K0.07%00.0%Unchanged
Willis Johnson & Associates, Inc.2,352$601.2K0.03%−189−7.4%Reduced
Syverson Strege & Co2,360$603.4K0.13%−55−2.3%Reduced
Founders Financial Securities LLC2,360$603.4K0.03%+5+0.2%Added
Northwest Bancshares, Inc.2,370$605.9K0.11%−44−1.8%Reduced
Aviance Capital Partners, LLC2,371$606.2K0.06%00.0%Unchanged
First National Bank of Mount Dora, Trust Investment Services2,371$606.2K0.12%00.0%Unchanged
Guardian Wealth Advisors, LLC2,380$608.5K0.03%+18+0.8%Added
Rexford Capital Inc2,384$609.5K0.37%00.0%Unchanged