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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
Monetary Management Group Inc775$198.1K0.04%00.0%Unchanged
Omnia Family Wealth, LLC784$200.4K0.05%+784New
Compass Wealth Management LLC785$200.7K0.04%+785New
Chesapeake Asset Management LLC787$201.2K0.15%+20+2.6%Added
Stiles Financial Services Inc788$201.4K0.05%+788New
Ipsen Advisor Group LLC788$201.5K0.13%+788New
Greenwich Wealth Management LLC789$202.0K0.01%+789New
AlphaCentric Advisors LLC791$202.2K0.17%+38+5.0%Added
MTM Investment Management, LLC793$202.7K0.06%+3+0.4%Added
Fortis Capital Advisors, LLC793$203.0K0.02%−343−30.2%Reduced
Howland Capital Management LLC794$203.0K0.01%+794New
Onefund, LLC796$203.5K0.12%−30−3.6%Reduced
Central Valley Advisors, LLC797$203.8K0.05%−100−11.1%Reduced
Spartan Wealth Advisory Services LLC799$204.3K0.02%+799New
Wexford Capital LP800$204.5K0.03%+800New
Capital Advisors, Ltd. LLC803$205.0K0.02%−14−1.7%Reduced
Holderness Investments Co802$205.0K0.03%+802New
Hobbs Group Advisors, LLC804$205.7K0.05%+804New
Palisades Hudson Asset Management, L.P.808$206.0K0.07%+808New
Bull Harbor Capital LLC808$206.6K0.04%+808New
Jackson Thornton Asset Management, LLC809$206.8K0.02%+809New
Walker Asset Management, LLC810$207.0K0.10%+810New
Hennessy Advisors Inc812$207.6K0.01%−288−26.2%Reduced
Brown, Lisle/Cummings, Inc.812$207.6K0.05%−4−0.5%Reduced
Wilkins Miller Wealth Management, LLC814$208.1K0.11%+814New
Founders Financial Alliance, LLC817$208.8K0.03%−2−0.2%Reduced
Marex Group plc817$208.9K0.00%−10,564−92.8%Reduced
Optimize Financial Inc817$208.9K0.08%+817New
Sound Capital Solutions LLC817$208.9K0.05%+817New
Hudson Capital Management LLC818$209.1K0.05%−53−6.1%Reduced
TrustBank819$209.4K0.07%+819New
Xxi Wealth, LLC820$209.6K0.10%+820New
Pacific Sage Partners, LLC822$210.2K0.03%−131−13.7%Reduced
New Republic Capital, LLC824$210.6K0.05%+824New
Berkshire Asset Management LLC824$210.7K0.01%00.0%Unchanged
Advyzon Investment Management, LLC826$211.1K0.02%+826New
Eagle Global Advisors LLC827$211.5K0.01%+827New
Astoria Portfolio Advisors LLC.829$211.8K0.04%+829New
Camden Capital, LLC830$212.2K0.01%−90−9.8%Reduced
Robinswood Financial LLC832$212.8K0.06%+3+0.4%Added
Clarity Financial LLC836$213.7K0.02%00.0%Unchanged
Element Wealth, LLC837$214.1K0.08%+3+0.4%Added
Milestone Asset Management, LLC838$214.4K0.03%+3+0.4%Added
First Foundation Advisors838$214.4K0.01%−1−0.1%Reduced
Brucke Financial, Inc.842$215.4K0.10%+842New
Cary Street Partner Investment Advisory LLC845$216.0K0.04%+43+5.4%Added
Motco846$216.3K0.02%+6+0.7%Added
Crown Wealth Group, LLC847$216.6K0.06%+847New
Harel Insurance Investments & Financial Services Ltd.848$217.0K0.00%+48+6.0%Added
Symphony Financial, Ltd. Co.837$217.0K0.02%−112−11.8%Reduced
Cahill Financial Advisors Inc849$217.1K0.02%−99−10.4%Reduced
Cache Advisors, LLC850$217.3K0.02%+850New
Univest Financial Corp851$217.6K0.01%+851New
Cooper Financial Group852$217.8K0.02%−23−2.6%Reduced
Provident Wealth Management, LLC852$217.8K0.06%+852New
Grey Fox Wealth Advisors, LLC852$217.9K0.03%+852New
Matrix Asset Advisors Inc854$218.3K0.02%00.0%Unchanged
Traveka Wealth, LLC856$218.9K0.07%+5+0.6%Added
Garrett Wealth Advisory Group, LLC857$219.1K0.03%−33−3.7%Reduced
First Business Financial Services, Inc.857$219.1K0.02%00.0%Unchanged
Cornerstone Select Advisors, LLC860$219.9K0.09%+860New
Mission Creek Capital Partners, Inc.5,749$219.9K0.04%+5,749New
Armis Advisers, LLC819$220.2K0.02%+819New
University of Texas/Texas Am Investment Managment Co863$220.6K0.03%−20,421−95.9%Reduced
Regent Peak Wealth Advisors LLC864$220.9K0.04%−36−4.0%Reduced
Excelsior Advisor Network LLC864$220.9K0.03%+864New
Global Wealth Management Investment Advisory, Inc.865$221.2K0.03%−19−2.1%Reduced
Sweeney & Michel, LLC743$221.5K0.06%+743New
Kercheville Advisors, LLC867$221.7K0.07%00.0%Unchanged
Secure Asset Management, LLC869$222.2K0.03%−1,414−61.9%Reduced
OneAscent Investment Solutions LLC870$222.4K0.21%−505−36.7%Reduced
Yarger Wealth Strategies, LLC784$222.6K0.08%+784New
GHP Investment Advisors, Inc.871$222.7K0.01%−1,142−56.7%Reduced
Sandy Cove Advisors, LLC871$222.7K0.06%+19+2.2%Added
Drive Wealth Management, LLC872$222.9K0.04%+872New
Christine Messmer PC873$223.3K0.13%+873New
Alpha Family Trust875$223.7K0.09%00.0%Unchanged
PFS Partners, LLC875$223.7K0.09%00.0%Unchanged
Adirondack Trust Co885$226.3K0.07%00.0%Unchanged
Edmond de Rothschild Holding S.A.885$226.3K0.00%+885New
Financial Partners Group, Inc885$226.4K0.02%−69−7.2%Reduced
Pioneer Trust Bank N A890$227.5K0.05%00.0%Unchanged
Elevatus Welath Management891$227.9K0.06%+3+0.3%Added
LRI Investments, LLC895$228.8K0.02%−22−2.4%Reduced
Forum Financial Management, LP897$229.3K0.00%−153−14.6%Reduced
New Covenant Trust Company, N.A.900$230.1K0.17%−17−1.9%Reduced
Raab & Moskowitz Asset Management LLC900$230.1K0.05%00.0%Unchanged
Thomasville National Bank900$230.1K0.01%+900New
West Family Investments, Inc.900$230.1K0.07%+900New
Peterson Wealth Advisors, LLC900$230.2K0.03%+3+0.3%Added
Waterloo Capital, L.P.901$230.4K0.01%−963−51.7%Reduced
Altfest L J & Co Inc902$230.6K0.02%00.0%Unchanged
Principle Wealth Partners LLC902$230.6K0.01%00.0%Unchanged
Income Insurance Ltd902$230.6K0.14%00.0%Unchanged
MBL Wealth, LLC902$230.6K0.02%+13+1.5%Added
Sequent Planning LLC904$231.2K0.05%00.0%Unchanged
LexAurum Advisors, LLC906$231.6K0.03%+65+7.7%Added
Bridges Investment Management Inc906$231.6K0.00%+906New
Advisors Management Group Inc910$232.0K0.04%00.0%Unchanged
TCI Wealth Advisors, Inc.910$232.6K0.01%+910New