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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
Capital Advisors Inc5,657$1.45M0.02%−327−5.5%Reduced
HMV Wealth Advisors, LLC5,673$1.45M0.56%−135−2.3%Reduced
Paradigm Asset Management Co LLC5,700$1.46M0.31%−8,500−59.9%Reduced
TD Private Client Wealth LLC5,736$1.47M0.03%−1,746−23.3%Reduced
Paradigm Financial Partners, LLC5,741$1.47M0.13%+387+7.2%Added
Moors & Cabot, Inc.5,768$1.47M0.06%−557−8.8%Reduced
Founders Grove Wealth Partners, LLC5,770$1.48M0.29%+28+0.5%Added
Buckley Wealth Management, LLC5,800$1.48M0.37%−500−7.9%Reduced
Tower Bridge Advisors5,800$1.48M0.13%+22+0.4%Added
Everhart Financial Group, Inc.5,842$1.49M0.10%+80+1.4%Added
Wealthspire Advisors, LLC5,847$1.49M0.01%−373−6.0%Reduced
Courier Capital LLC5,850$1.50M0.07%00.0%Unchanged
Vectors Research Management, LLC5,850$1.50M0.39%00.0%Unchanged
Bradley Foster & Sargent Inc5,866$1.50M0.02%−40−0.7%Reduced
Peapack Gladstone Financial Corp5,898$1.51M0.02%−365−5.8%Reduced
Personal Cfo Solutions, LLC5,905$1.51M0.22%−141−2.3%Reduced
Silvercrest Asset Management Group LLC5,907$1.51M0.01%+3,003+103.4%Added
Valley Brook Capital Group5,948$1.52M0.86%+80+1.4%Added
Linscomb & Williams, Inc.5,952$1.52M0.07%−54−0.9%Reduced
Shepherd Street Advisors LLC5,114$1.53M1.34%−376−6.8%Reduced
North Star Investment Management Corp.6,029$1.54M0.08%+303+5.3%Added
Prudential PLC6,036$1.54M0.01%00.0%Unchanged
PCM Encore, LLC6,049$1.55M0.27%−30.0%Reduced
49 Wealth Management, LLC6,073$1.55M0.30%+6,073New
Alongside, LLC6,073$1.55M0.30%+6,073New
Parcion Private Wealth LLC6,109$1.56M0.09%−26,762−81.4%Reduced
Miracle Mile Advisors, LLC6,144$1.57M0.02%−251−3.9%Reduced
BKM Wealth Management, LLC6,149$1.57M0.56%−407−6.2%Reduced
Sovran Advisors, LLC5,210$1.59M0.12%+258+5.2%Added
Resurgent Financial Advisors LLC6,292$1.61M0.45%+104+1.7%Added
Benjamin Edwards Inc6,293$1.61M0.01%+395+6.7%Added
Jefferies Financial Group Inc.6,297$1.61M0.01%−3,825−37.8%Reduced
RiverGlades Family Offices LLC6,300$1.61M0.74%00.0%Unchanged
Systematic Alpha Investments, LLC6,315$1.61M0.04%00.0%Unchanged
Brown Advisory Inc6,321$1.62M0.00%−438−6.5%Reduced
Canopy Partners, LLC6,334$1.62M0.49%−63−1.0%Reduced
Hurley Capital, LLC6,350$1.62M0.84%−263−4.0%Reduced
Hillsdale Investment Management Inc.6,370$1.63M0.04%+770+13.8%Added
MBA Advisors LLC6,371$1.63M0.55%00.0%Unchanged
Exchange Traded Concepts, LLC6,378$1.63M0.01%+473+8.0%Added
Trueblood Wealth Management, LLC6,380$1.63M0.57%+507+8.6%Added
Citizens Financial Group Inc6,394$1.63M0.02%−17,423−73.2%Reduced
Great Lakes Advisors, LLC6,444$1.65M0.01%+53+0.8%Added
Neville Rodie & Shaw Inc6,444$1.65M0.11%−270−4.0%Reduced
Evergreen Wealth Solutions, LLC4,628$1.65M0.09%+137+3.1%Added
NorthCrest Asset Manangement, LLC5,858$1.66M0.04%+205+3.6%Added
Saxon Interests, Inc.6,498$1.66M0.46%−257−3.8%Reduced
Rodgers Brothers Inc.6,510$1.66M0.16%−46−0.7%Reduced
Argentarii, LLC4,948$1.66M0.50%+3+0.1%Added
Dai-Ichi Life Insurance Company, Ltd6,525$1.67M0.04%−556−7.9%Reduced
Formidable Asset Management, LLC6,861$1.68M0.27%+20.0%Added
Bahl & Gaynor Inc6,555$1.68M0.01%+200+3.1%Added
Clark Capital Management Group, Inc.6,631$1.70M0.01%+3,071+86.3%Added
Hilltop Holdings Inc.6,656$1.70M0.14%+1,875+39.2%Added
Procyon Private Wealth Partners, LLC6,663$1.70M0.07%+49+0.7%Added
Keynote Financial Services LLC6,669$1.71M0.80%−182−2.7%Reduced
Wedbush Securities Inc6,740$1.72M0.04%−596−8.1%Reduced
Oakworth Capital, Inc.6,626$1.74M0.08%00.0%Unchanged
Resources Investment Advisors, LLC.6,845$1.75M0.01%−681−9.0%Reduced
Beese Fulmer Investment Management, Inc.6,845$1.75M0.10%−531−7.2%Reduced
Mather Group, LLC.6,863$1.75M0.02%+30.0%Added
Parkside Financial Bank & Trust6,900$1.76M0.12%+86+1.3%Added
Trust Co of Toledo NA6,908$1.77M0.15%+550+8.7%Added
RFG Advisory, LLC6,926$1.77M0.03%+55+0.8%Added
Country Trust Bank6,927$1.77M0.03%−10.0%Reduced
Prospera Financial Services Inc6,939$1.78M0.03%−61−0.9%Reduced
Moneta Group Investment Advisors LLC6,948$1.78M0.01%−17−0.2%Reduced
Aspiriant, LLC6,949$1.78M0.04%+1,032+17.4%Added
Gamco Investors, Inc. Et Al6,958$1.78M0.02%−16−0.2%Reduced
Havemeyer Place LP6,984$1.79M0.18%−6,561−48.4%Reduced
Cary Street Partners Financial LLC7,012$1.79M0.04%−14−0.2%Reduced
Shufro Rose & Co LLC7,018$1.79M0.10%−100−1.4%Reduced
Whittier Trust Co6,676$1.80M0.02%−539−7.5%Reduced
Stephens Inc6,858$1.80M0.02%−1,658−19.5%Reduced
Snowden Capital Advisors LLC7,056$1.80M0.04%−844−10.7%Reduced
Arkfeld Wealth Strategies, L.L.C.6,733$1.81M0.54%−236−3.4%Reduced
Mount Yale Investment Advisors, LLC7,098$1.81M0.03%−1,832−20.5%Reduced
Nicolet Bankshares Inc6,810$1.82M0.06%−1,039−13.2%Reduced
Tradewinds, LLC.604$1.82M0.57%−3,941−86.7%Reduced
F/M Investments LLC7,120$1.82M0.09%+2,600+57.5%Added
Vestcor Inc7,136$1.82M0.05%−428−5.7%Reduced
Fideuram Asset Management (Ireland) dac7,581$1.84M0.04%+7,152+1,667.1%Added
SageView Advisory Group, LLC7,218$1.85M0.06%−27−0.4%Reduced
Heritage Wealth Management, Inc.7,219$1.85M0.46%−185−2.5%Reduced
Pinnacle Wealth Management Advisory Group, LLC7,252$1.85M0.11%+550+8.2%Added
Valeo Financial Advisors, LLC7,254$1.85M0.04%+211+3.0%Added
Brookstone Capital Management7,256$1.86M0.02%−361−4.7%Reduced
WealthShield Partners, LLC7,317$1.87M0.29%−228−3.0%Reduced
Capital Investment Advisors, LLC7,334$1.87M0.02%+227+3.2%Added
Weaver C. Barksdale & Associates, Inc.7,427$1.90M1.70%−8−0.1%Reduced
Wetzel Investment Advisors, Inc.7,446$1.90M0.66%−400−5.1%Reduced
KCM Investment Advisors LLC7,448$1.90M0.06%−216−2.8%Reduced
USS Investment Management Ltd7,466$1.91M0.01%00.0%Unchanged
Oceanic Investment Management LTD7,462$1.91M2.48%+2,808+60.3%Added
STRS Ohio7,479$1.91M0.01%+287+4.0%Added
Mizuho Markets Cayman LP7,498$1.92M0.07%+7,498New
Checchi Capital Advisers, LLC7,505$1.92M0.12%−384−4.9%Reduced
Liberty Square Wealth Partners LLC7,530$1.93M0.46%−30.0%Reduced
EverSource Wealth Advisors, LLC7,539$1.93M0.07%−6,596−46.7%Reduced
Carret Asset Management, LLC7,659$1.96M0.17%−65−0.8%Reduced