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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
Summit Global Investments2,766$707.0K0.04%−22−0.8%Reduced
Live Oak Investment Partners2,764$706.7K0.38%−26−0.9%Reduced
Cornerstone Wealth Management, LLC2,746$702.1K0.03%00.0%Unchanged
Hanson & Doremus Investment Management2,743$701.0K0.07%00.0%Unchanged
Core Alternative Capital2,731$698.1K0.21%00.0%Unchanged
Naples Global Advisors, LLC2,721$695.7K0.04%+27+1.0%Added
Pinpoint Asset Management (Singapore) Pte. Ltd.2,719$695.2K0.14%+2,719New
Crux Wealth Advisors2,718$694.9K0.24%+5+0.2%Added
Total Wealth Planning & Management, Inc.2,712$693.4K0.50%−535−16.5%Reduced
Private Trust Co NA2,709$692.6K0.06%−211−7.2%Reduced
Atlantic Edge Private Wealth Management, LLC2,680$685.2K0.14%00.0%Unchanged
Cladis Investment Advisory, LLC2,674$683.7K0.32%00.0%Unchanged
Lifeworks Advisors, LLC2,671$682.9K0.07%−25−0.9%Reduced
Tritonpoint Wealth, LLC2,669$682.4K0.07%−58−2.1%Reduced
Strategic Blueprint, LLC2,666$681.5K0.03%+62+2.4%Added
Aspen Investment Management Inc2,652$678.0K0.18%−30−1.1%Reduced
Evolve Private Wealth, LLC2,633$673.3K0.04%−5,646−68.2%Reduced
Baker Tilly Wealth Management, LLC2,631$672.7K0.14%+23+0.9%Added
Jacobi Capital Management LLC2,626$671.4K0.03%−60−2.2%Reduced
Waddell & Associates, LLC2,621$670.1K0.03%+151+6.1%Added
44 Wealth Management LLC2,616$668.8K0.22%−94−3.5%Reduced
Allred Capital Management, LLC2,579$659.4K0.22%−48−1.8%Reduced
Auxano Advisors, LLC2,568$656.6K0.12%−34−1.3%Reduced
Postrock Partners LLC2,565$655.8K0.27%00.0%Unchanged
Philadelphia Investment Partners, LLC1,838$655.0K0.41%00.0%Unchanged
Independence Bank of Kentucky2,557$653.7K0.07%00.0%Unchanged
Stembrook Asset Management, LLC2,556$653.5K0.56%00.0%Unchanged
IVC Wealth Advisors LLC2,555$653.2K0.25%+8+0.3%Added
Ameritas Investment Partners, Inc.2,554$653.1K0.02%−141−5.2%Reduced
Rainier Family Wealth Inc2,552$652.5K0.37%−191−7.0%Reduced
Signal Advisors Wealth, LLC2,548$651.5K0.03%+71+2.9%Added
L2 Asset Management, LLC2,544$650.4K0.07%+63+2.5%Added
LaSalle St. Investment Advisors, LLC2,543$650.2K0.08%−170−6.3%Reduced
SBI Okasan Asset Management Co.Ltd.2,500$648.0K0.02%00.0%Unchanged
Clark Asset Management, LLC2,530$646.8K0.05%+8+0.3%Added
Fort Washington Investment Advisors Inc2,526$645.8K0.00%−76−2.9%Reduced
Angeles Wealth Management, LLC2,517$643.5K0.03%+609+31.9%Added
Capital Asset Advisory Services LLC2,508$641.1K0.02%−119−4.5%Reduced
PDS Planning, Inc2,504$640.2K0.04%+9+0.4%Added
Asset Allocation & Management Company, LLC2,502$640.0K0.21%00.0%Unchanged
Owlhouse Capital LP2,500$639.2K0.98%+2,500New
Smithfield Trust Co2,494$638.0K0.03%00.0%Unchanged
Aaron Wealth Advisors2,495$637.9K0.03%−322−11.4%Reduced
Empower Advisory Group, LLC2,493$637.4K0.00%−680−21.4%Reduced
Parr McKnight Wealth Management Group, LLC2,479$633.8K0.08%+103+4.3%Added
JT Stratford LLC2,464$630.0K0.07%−515−17.3%Reduced
TRB Wealth Management, LLC2,463$629.7K0.08%00.0%Unchanged
Independent Financial Group, LLC2,462$629.5K0.01%−36−1.4%Reduced
Malaga Cove Capital, LLC2,457$628.2K0.20%−53−2.1%Reduced
denkapparat Operations GmbH2,426$620.3K0.20%−1,318−35.2%Reduced
SJS Investment Consulting Inc.2,423$619.5K0.07%+34+1.4%Added
Blue Fin Capital, Inc.2,412$616.7K0.09%00.0%Unchanged
Concord Wealth Partners2,409$615.9K0.07%00.0%Unchanged
Rexford Capital Inc2,384$609.5K0.37%00.0%Unchanged
Guardian Wealth Advisors, LLC2,380$608.5K0.03%+18+0.8%Added
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
Northwest Bancshares, Inc.2,370$605.9K0.11%−44−1.8%Reduced
Syverson Strege & Co2,360$603.4K0.13%−55−2.3%Reduced
Founders Financial Securities LLC2,360$603.4K0.03%+5+0.2%Added
Willis Johnson & Associates, Inc.2,352$601.2K0.03%−189−7.4%Reduced
AdvisorShares Investments LLC2,350$600.8K0.07%00.0%Unchanged
Clark Financial Services Group Inc2,347$600.1K0.28%−36−1.5%Reduced
CoreFirst Bank & Trust2,334$596.7K0.30%00.0%Unchanged
Uniting Wealth Partners, LLC2,332$596.2K0.12%−68−2.8%Reduced
Souders Financial Advisors2,329$595.4K0.06%+40+1.7%Added
Equitable Trust Co2,319$592.9K0.02%−318−12.1%Reduced
LightSquare Wealth Management, LLC2,310$590.7K0.41%−782−25.3%Reduced
Field & Main Bank2,310$590.6K0.12%−35−1.5%Reduced
Cardiff Park Advisors, LLC2,310$590.6K0.05%00.0%Unchanged
Western Wealth Management, LLC2,302$588.5K0.02%−125−5.2%Reduced
Oak Harbor Wealth Partners, LLC2,295$586.8K0.22%−5,086−68.9%Reduced
MorganRosel Wealth Management, LLC2,294$586.5K0.20%−135−5.6%Reduced
Fractal Investments LLC2,291$585.7K0.07%00.0%Unchanged
Hazlett, Burt & Watson, Inc.2,284$584.0K0.16%−25−1.1%Reduced
Great Valley Advisor Group, Inc.2,270$580.7K0.01%+211+10.2%Added
Dauntless Investment Group, LLC2,264$578.8K1.00%−1,892−45.5%Reduced
Davis R M Inc2,264$578.7K0.01%00.0%Unchanged
BIP Wealth, LLC2,263$578.5K0.02%+1,246+122.5%Added
Cullinan Associates Inc2,260$577.8K0.04%−100−4.2%Reduced
Saxony Capital Management, LLC2,250$575.3K0.26%00.0%Unchanged
Athena Investment Management2,246$574.2K0.34%−1,214−35.1%Reduced
Zhang Financial LLC2,237$572.0K0.02%+9+0.4%Added
Keel Point, LLC2,230$570.2K0.03%+45+2.1%Added
Cookson Peirce & Co Inc2,227$569.4K0.02%00.0%Unchanged
Pallas Capital Advisors LLC2,224$568.6K0.02%+86+4.0%Added
Peregrine Asset Advisers, Inc.2,217$566.8K0.12%−50−2.2%Reduced
Premier Path Wealth Partners, LLC2,215$566.3K0.07%+187+9.2%Added
Ocean Capital Management, LLC2,202$562.9K0.10%+6+0.3%Added
Pinnacle Bancorp, Inc.2,200$562.5K0.15%00.0%Unchanged
Harbor Investment Advisory, LLC2,200$562.4K0.04%00.0%Unchanged
Sanchez Levi Garrett2,198$562.0K0.30%+6+0.3%Added
Heritage Investors Management Corp2,190$560.0K0.02%00.0%Unchanged
Next Level Private LLC2,185$558.7K0.11%+8+0.4%Added
Global Strategic Investment Solutions, LLC2,184$558.4K0.05%−7−0.3%Reduced
Oxbow Advisors, LLC2,183$558.1K0.05%+2+0.1%Added
Washington Trust Co2,173$555.6K0.02%00.0%Unchanged
Atticus Wealth Management, LLC2,166$553.9K0.13%+5+0.2%Added
Welch Group, LLC2,164$553.3K0.02%−100−4.4%Reduced
Outlook Wealth Advisors, LLC2,158$551.8K0.12%00.0%Unchanged