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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
DSG Capital Advisors, LLC3,545$1.08M0.15%00.0%Unchanged
Belpointe Asset Management LLC4,241$1.08M0.04%−340−7.4%Reduced
Krilogy Financial LLC4,263$1.09M0.03%+56+1.3%Added
Legacy Financial Advisors, Inc.4,264$1.09M0.13%−1,436−25.2%Reduced
Sendero Wealth Management, LLC4,274$1.09M0.11%−26,633−86.2%Reduced
Two Sigma Securities, LLC4,285$1.10M0.09%−2,460−36.5%Reduced
1st Source Bank4,299$1.10M0.05%00.0%Unchanged
Ferguson Wellman Capital Management, Inc4,302$1.10M0.01%00.0%Unchanged
Eagle Bluffs Wealth Management LLC4,305$1.10M0.37%00.0%Unchanged
Norden Group LLC4,338$1.11M0.09%+180+4.3%Added
Tower Research Capital LLC (TRC)4,382$1.12M0.03%−11,756−72.8%Reduced
Applied Finance Capital Management, LLC4,408$1.13M0.08%−1,328−23.2%Reduced
Kesler, Norman & Wride, LLC4,411$1.13M0.18%−939−17.6%Reduced
Henrickson Nauta Wealth Advisors, Inc.4,421$1.13M0.28%−17−0.4%Reduced
Advisors Capital Management, LLC4,434$1.13M0.01%+1,243+39.0%Added
Challenger Wealth Management4,452$1.14M0.84%+15+0.3%Added
Veracity Capital LLC4,463$1.14M0.31%+1,413+46.3%Added
Catalyst Financial Partners LLC4,465$1.14M0.11%+132+3.0%Added
71 West Capital Partners4,477$1.14M0.04%+1,567+53.8%Added
Boothbay Fund Management, LLC4,482$1.15M0.02%−577−11.4%Reduced
Kapstone Financial Advisors LLC4,490$1.15M0.48%−750−14.3%Reduced
Central Bank & Trust Co4,499$1.15M0.16%00.0%Unchanged
Shepherd Financial Partners LLC4,513$1.15M0.09%+6+0.1%Added
SCS Capital Management LLC4,515$1.15M0.01%+15+0.3%Added
Redwood Investment Management, LLC4,525$1.16M0.11%+174+4.0%Added
Invera Wealth Advisors, LLC4,562$1.17M0.63%−501−9.9%Reduced
Meridian Wealth Management, LLC4,574$1.17M0.04%+30+0.7%Added
One Capital Management, LLC4,789$1.17M0.03%00.0%Unchanged
Acropolis Investment Management, LLC4,583$1.17M0.05%00.0%Unchanged
Islay Capital Management, LLC4,605$1.18M0.55%+1,229+36.4%Added
Osmosis Investment Management UK Ltd4,610$1.18M0.05%−7,680−62.5%Reduced
Graham Capital Management, L.P.4,624$1.18M0.03%−633−12.0%Reduced
Valmark Advisers, Inc.4,638$1.19M0.01%+952+25.8%Added
Catalyst Funds Management Pty Ltd4,650$1.19M0.07%+96+2.1%Added
Lombard Odier Asset Management (Switzerland) SA4,666$1.19M0.04%−200−4.1%Reduced
Center for Financial Planning, Inc.4,683$1.20M0.11%−290−5.8%Reduced
Integrated Quantitative Investments LLC4,689$1.20M0.20%+4,689New
Investors Research Corp4,696$1.20M0.21%−275−5.5%Reduced
Woodstock Corp4,708$1.20M0.10%00.0%Unchanged
Worthington Financial Partners, LLC4,714$1.21M1.00%+37+0.8%Added
Hummer Financial Advisory Services Inc4,732$1.21M0.80%00.0%Unchanged
Foundations Investment Advisors, LLC4,752$1.21M0.01%+701+17.3%Added
Boston Private Wealth LLC4,758$1.22M0.08%−559−10.5%Reduced
Regal Investment Advisors LLC4,763$1.22M0.06%−102−2.1%Reduced
First Wilshire Securities Management Inc4,786$1.22M0.25%00.0%Unchanged
SS&H Financial Advisors, Inc.4,800$1.23M0.31%+4,800New
Old Point Trust & Financial Services N A4,800$1.23M0.37%−620−11.4%Reduced
Piscataqua Savings Bank4,821$1.23M0.83%00.0%Unchanged
Atomi Financial Group, Inc.4,828$1.23M0.03%+515+11.9%Added
Ashton Thomas Securities, LLC4,838$1.24M0.18%+120+2.5%Added
PFG Investments, LLC4,869$1.24M0.05%+788+19.3%Added
Trust Co of Vermont4,875$1.25M0.05%+4,875New
Pure Financial Advisors, Inc.4,898$1.25M0.02%+410+9.1%Added
Calamos Wealth Management LLC4,903$1.25M0.04%+191+4.1%Added
Foundation Resource Management Inc4,929$1.26M0.15%00.0%Unchanged
Financiere des Professionnels - Fonds d,investissement inc.4,970$1.27M0.07%+3,662+280.0%Added
Rehmann Capital Advisory Group4,971$1.27M0.06%+333+7.2%Added
Tema ETFs LLC4,972$1.27M0.04%+435+9.6%Added
Huntleigh Advisors, Inc.5,000$1.28M0.18%00.0%Unchanged
Point Nemo Capital, LLC5,007$1.28M0.65%+5,007New
LVZ Advisors, Inc.5,060$1.29M0.13%−733−12.7%Reduced
HBK Sorce Advisory LLC4,347$1.29M0.03%+70+1.6%Added
Landscape Capital Management, L.L.C.5,091$1.30M0.08%+3,001+143.6%Added
Beverly Hills Private Wealth, LLC5,107$1.31M0.25%00.0%Unchanged
Freestone Grove Partners LP5,113$1.31M0.01%+5,112+511,200.0%Added
Magnolia Capital Advisors LLC5,142$1.31M0.23%−3,699−41.8%Reduced
Grimes & Company, Inc.5,147$1.32M0.03%+82+1.6%Added
Savvy Advisors, Inc.5,158$1.32M0.03%+578+12.6%Added
Shelton Capital Management5,159$1.32M0.02%−58−1.1%Reduced
PW Nova Financial Services LLC5,163$1.32M0.28%−159−3.0%Reduced
Mount Lucas Management LP5,164$1.32M0.47%+132+2.6%Added
Victory Financial Group, LLC5,171$1.32M0.14%−451−8.0%Reduced
Glenview Trust Co5,188$1.33M0.02%+540+11.6%Added
Taylor, Cottrill, Erickson & Associates, Inc.5,194$1.33M0.38%+20+0.4%Added
Horizon Kinetics Asset Management LLC5,202$1.33M0.02%00.0%Unchanged
Synergy Financial Management, LLC5,214$1.33M0.13%+2,399+85.2%Added
Keyes, Stange & Wooten Wealth Management, LLC5,220$1.33M0.53%−520−9.1%Reduced
Dynamic Technology Lab Private Ltd5,230$1.34M0.30%+965+22.6%Added
DRW Securities, LLC5,241$1.34M0.08%−2,010−27.7%Reduced
International Assets Investment Management, LLC5,063$1.34M0.08%−170−3.2%Reduced
Quotient Wealth Partners, LLC5,317$1.36M0.03%+258+5.1%Added
V-Square Quantitative Management LLC5,322$1.36M0.13%−519−8.9%Reduced
American National Bank5,354$1.37M0.12%00.0%Unchanged
Sowell Financial Services LLC5,377$1.37M0.04%−1,835−25.4%Reduced
Key Financial Inc5,378$1.37M0.23%00.0%Unchanged
Intrust Bank NA5,380$1.38M0.10%−223−4.0%Reduced
Summit Financial, LLC5,380$1.38M0.02%+534+11.0%Added
Simmons Bank5,388$1.38M0.08%+287+5.6%Added
Frec Markets, Inc.5,402$1.38M0.12%+2,445+82.7%Added
Burns J W & Co Inc5,420$1.39M0.14%+35+0.6%Added
CVA Family Office, LLC5,423$1.39M0.13%+672+14.1%Added
Frank, Rimerman Advisors LLC5,456$1.39M0.08%+171+3.2%Added
Commonwealth Retirement Investments LLC5,468$1.40M0.38%+5,468New
Adviser Investments LLC5,469$1.40M0.01%−480−8.1%Reduced
NewEdge Wealth, LLC5,470$1.40M0.01%−90−1.6%Reduced
McDonald Partners LLC5,482$1.40M0.34%−35−0.6%Reduced
Wealthcare Advisory Partners LLC5,490$1.40M0.03%−616−10.1%Reduced
Harvest Fund Management Co., Ltd5,533$1.41M0.05%00.0%Unchanged
1620 Investment Advisors, Inc.5,557$1.42M0.88%−12−0.2%Reduced
Duncan Williams Asset Management, LLC5,561$1.42M0.32%−632−10.2%Reduced