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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
Balyasny Asset Management LLC9,069$2.32M0.00%−65−0.7%Reduced
New Wave Wealth Advisors LLC9,063$2.32M0.63%+6,609+269.3%Added
Atlanta Consulting Group Advisors, LLC9,036$2.31M0.37%+1,264+16.3%Added
Independent Advisor Alliance8,985$2.30M0.05%+3,711+70.4%Added
Argent Trust Co8,984$2.30M0.07%+1,055+13.3%Added
Cullen/Frost Bankers, Inc.8,981$2.30M0.02%−790−8.1%Reduced
Gryphon Financial Partners LLC8,967$2.29M0.20%+465+5.5%Added
Sawgrass Asset Management LLC8,962$2.29M0.30%−134−1.5%Reduced
Goelzer Investment Management, Inc.8,952$2.29M0.10%+118+1.3%Added
North Dakota State Investment Board8,942$2.29M0.09%+132+1.5%Added
Lowe Brockenbrough & Co Inc8,933$2.28M0.10%00.0%Unchanged
Ancora Advisors, LLC8,918$2.28M0.04%−337−3.6%Reduced
Ascent Group, LLC8,885$2.27M0.07%+269+3.1%Added
Axxcess Wealth Management, LLC8,847$2.26M0.04%+351+4.1%Added
Gateway Investment Advisers LLC8,800$2.25M0.02%+10.0%Added
MUFG Securities Americas Inc.8,793$2.25M0.12%+630+7.7%Added
Meiji Yasuda Life Insurance Co8,783$2.25M0.07%−580−6.2%Reduced
IHT Wealth Management, LLC8,776$2.24M0.05%−84−0.9%Reduced
Keystone Financial Group8,770$2.24M0.13%+9+0.1%Added
Smartleaf Asset Management LLC8,643$2.24M0.07%00.0%Unchanged
Aspire Growth Partners LLC8,761$2.24M1.30%−999−10.2%Reduced
Banque Cantonale Vaudoise8,760$2.24M0.09%+3,965+82.7%Added
J.W. Cole Advisors, Inc.8,742$2.24M0.04%−961−9.9%Reduced
Groupama Asset Managment8,620$2.22M0.03%+185+2.2%Added
Portside Wealth Group, LLC8,678$2.22M0.26%+939+12.1%Added
PFG Advisors8,677$2.22M0.11%+479+5.8%Added
Mesirow Financial Investment Management, Inc.8,627$2.21M0.03%+968+12.6%Added
Mystic Asset Management, Inc.8,609$2.20M0.47%−733−7.8%Reduced
Holistic Planning, LLC8,545$2.18M0.34%+171+2.0%Added
Equitable Holdings, Inc.8,480$2.17M0.01%+33+0.4%Added
Koshinski Asset Management, Inc.8,439$2.16M0.11%−32−0.4%Reduced
BI Asset Management Fondsmaeglerselskab A/S8,424$2.15M0.02%−2,447−22.5%Reduced
Dana Investment Advisors, Inc.8,300$2.12M0.06%−91−1.1%Reduced
Diversify Wealth Management, LLC6,766$2.11M0.04%+1,354+25.0%Added
Diversify Advisory Services, LLC6,766$2.11M0.04%+6,766New
Fulton Bank, N.A.8,260$2.11M0.06%−1,714−17.2%Reduced
Peak Planning Group, LLC8,252$2.11M0.48%+210+2.6%Added
Sigma Planning Corp8,242$2.11M0.05%−31−0.4%Reduced
Avantra Family Wealth, Inc.8,141$2.08M1.33%−1,569−16.2%Reduced
Leisure Capital Management8,134$2.08M0.65%00.0%Unchanged
Parsons Capital Management Inc8,116$2.08M0.09%+40+0.5%Added
Hartford Financial Management Inc.8,112$2.07M0.46%−127−1.5%Reduced
Mission Wealth Management, LP8,072$2.06M0.03%+4,571+130.6%Added
Advisory Alpha, LLC7,968$2.04M0.05%−161−2.0%Reduced
First Interstate Bank7,949$2.03M0.11%00.0%Unchanged
Allegheny Financial Group LTD7,919$2.02M0.21%+5+0.1%Added
Danske Bank A/S7,889$2.02M0.00%+500+6.8%Added
Kentucky Retirement Systems Insurance Trust Fund7,878$2.01M0.12%−209−2.6%Reduced
Verdence Capital Advisors LLC7,835$2.00M0.11%−667−7.8%Reduced
Wedmont Private Capital7,014$1.99M0.05%+464+7.1%Added
Denali Advisors LLC7,723$1.97M0.20%−2,101−21.4%Reduced
GW Henssler & Associates Ltd7,674$1.96M0.09%−420−5.2%Reduced
IFP Advisors, Inc7,665$1.96M0.04%+1,609+26.6%Added
Carret Asset Management, LLC7,659$1.96M0.17%−65−0.8%Reduced
EverSource Wealth Advisors, LLC7,539$1.93M0.07%−6,596−46.7%Reduced
Liberty Square Wealth Partners LLC7,530$1.93M0.46%−30.0%Reduced
Checchi Capital Advisers, LLC7,505$1.92M0.12%−384−4.9%Reduced
Mizuho Markets Cayman LP7,498$1.92M0.07%+7,498New
STRS Ohio7,479$1.91M0.01%+287+4.0%Added
Oceanic Investment Management LTD7,462$1.91M2.48%+2,808+60.3%Added
USS Investment Management Ltd7,466$1.91M0.01%00.0%Unchanged
KCM Investment Advisors LLC7,448$1.90M0.06%−216−2.8%Reduced
Wetzel Investment Advisors, Inc.7,446$1.90M0.66%−400−5.1%Reduced
Weaver C. Barksdale & Associates, Inc.7,427$1.90M1.70%−8−0.1%Reduced
Capital Investment Advisors, LLC7,334$1.87M0.02%+227+3.2%Added
WealthShield Partners, LLC7,317$1.87M0.29%−228−3.0%Reduced
Brookstone Capital Management7,256$1.86M0.02%−361−4.7%Reduced
Valeo Financial Advisors, LLC7,254$1.85M0.04%+211+3.0%Added
Pinnacle Wealth Management Advisory Group, LLC7,252$1.85M0.11%+550+8.2%Added
Heritage Wealth Management, Inc.7,219$1.85M0.46%−185−2.5%Reduced
SageView Advisory Group, LLC7,218$1.85M0.06%−27−0.4%Reduced
Fideuram Asset Management (Ireland) dac7,581$1.84M0.04%+7,152+1,667.1%Added
Vestcor Inc7,136$1.82M0.05%−428−5.7%Reduced
F/M Investments LLC7,120$1.82M0.09%+2,600+57.5%Added
Tradewinds, LLC.604$1.82M0.57%−3,941−86.7%Reduced
Nicolet Bankshares Inc6,810$1.82M0.06%−1,039−13.2%Reduced
Mount Yale Investment Advisors, LLC7,098$1.81M0.03%−1,832−20.5%Reduced
Arkfeld Wealth Strategies, L.L.C.6,733$1.81M0.54%−236−3.4%Reduced
Snowden Capital Advisors LLC7,056$1.80M0.04%−844−10.7%Reduced
Stephens Inc6,858$1.80M0.02%−1,658−19.5%Reduced
Whittier Trust Co6,676$1.80M0.02%−539−7.5%Reduced
Shufro Rose & Co LLC7,018$1.79M0.10%−100−1.4%Reduced
Cary Street Partners Financial LLC7,012$1.79M0.04%−14−0.2%Reduced
Havemeyer Place LP6,984$1.79M0.18%−6,561−48.4%Reduced
Gamco Investors, Inc. Et Al6,958$1.78M0.02%−16−0.2%Reduced
Aspiriant, LLC6,949$1.78M0.04%+1,032+17.4%Added
Moneta Group Investment Advisors LLC6,948$1.78M0.01%−17−0.2%Reduced
Prospera Financial Services Inc6,939$1.78M0.03%−61−0.9%Reduced
Country Trust Bank6,927$1.77M0.03%−10.0%Reduced
RFG Advisory, LLC6,926$1.77M0.03%+55+0.8%Added
Trust Co of Toledo NA6,908$1.77M0.15%+550+8.7%Added
Parkside Financial Bank & Trust6,900$1.76M0.12%+86+1.3%Added
Mather Group, LLC.6,863$1.75M0.02%+30.0%Added
Beese Fulmer Investment Management, Inc.6,845$1.75M0.10%−531−7.2%Reduced
Resources Investment Advisors, LLC.6,845$1.75M0.01%−681−9.0%Reduced
Oakworth Capital, Inc.6,626$1.74M0.08%00.0%Unchanged
Wedbush Securities Inc6,740$1.72M0.04%−596−8.1%Reduced
Keynote Financial Services LLC6,669$1.71M0.80%−182−2.7%Reduced
Procyon Private Wealth Partners, LLC6,663$1.70M0.07%+49+0.7%Added
Hilltop Holdings Inc.6,656$1.70M0.14%+1,875+39.2%Added