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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
BlackRock, Inc.26,006,017$6.65B0.10%+1,611,175+6.6%Added
Vanguard Capital Management LLC19,074,289$4.88B0.10%−95,805−0.5%Reduced
State Street Corp18,471,905$4.72B0.14%−553,115−2.9%Reduced
Vanguard Portfolio Management LLC15,631,265$4.00B0.18%−40,848−0.3%Reduced
Geode Capital Management, LLC8,351,157$2.13B0.11%+529,633+6.8%Added
Morgan Stanley5,887,382$1.51B0.08%−186,161−3.1%Reduced
Raymond James Financial Inc5,684,963$1.45B0.39%−88,806−1.5%Reduced
FMR LLC5,419,718$1.39B0.06%+508,637+10.4%Added
Bank of New York Mellon Corp4,027,107$1.03B0.17%+73,789+1.9%Added
Boston Partners3,515,417$905.8M0.80%−2,133,787−37.8%Reduced
Wellington Management Group LLP3,252,153$831.5M0.14%−2,385,034−42.3%Reduced
Northern Trust Corp3,126,059$799.2M0.09%−50,810−1.6%Reduced
Dimensional Fund Advisors LP3,056,082$781.5M0.14%−31,900−1.0%Reduced
Goldman Sachs Group Inc2,884,591$737.5M0.08%+129,748+4.7%Added
JPMorgan Chase & Co2,736,206$709.3M0.04%−699,606−20.4%Reduced
Charles Schwab Investment Management Inc2,622,511$670.5M0.09%−106,878−3.9%Reduced
Norges Bank2,465,801$630.4M0.06%+2,465,801New
Bank of America Corp2,432,168$621.8M0.04%−162,916−6.3%Reduced
Invesco Ltd.2,341,034$598.5M0.05%−487,611−17.2%Reduced
Amundi2,237,930$572.2M0.14%+332,551+17.5%Added
Ameriprise Financial Inc2,030,778$519.5M0.11%−193,407−8.7%Reduced
UBS Group AG1,842,485$471.1M0.07%+168,030+10.0%Added
Price T Rowe Associates Inc1,839,897$470.4M0.05%+556,805+43.4%Added
Vanguard Fiduciary Trust Co1,659,223$424.2M0.09%−1,663−0.1%Reduced
Capital Wealth Planning, LLC1,577,970$403.4M2.02%−63,345−3.9%Reduced
Allianz Asset Management GmbH1,554,821$397.5M0.37%−144,827−8.5%Reduced
UBS Asset Management Americas Inc1,508,489$385.7M0.07%+215,686+16.7%Added
US Bancorp1,496,414$382.6M0.42%−52,142−3.4%Reduced
Legal & General Group Plc1,489,205$380.7M0.08%−171,871−10.3%Reduced
LSV Asset Management1,444,352$369.3M0.67%+162,518+12.7%Added
Principal Financial Group Inc1,394,274$356.5M0.18%−125,246−8.2%Reduced
Pacer Advisors, Inc.1,252,598$320.3M0.83%−85,494−6.4%Reduced
Two Sigma Investments, LP1,239,241$316.8M0.24%−285,045−18.7%Reduced
Deutsche Bank AG1,098,138$280.8M0.08%−20,841−1.9%Reduced
Nuveen, LLC1,035,451$264.7M0.06%+50,793+5.2%Added
Victory Capital Management Inc1,016,215$259.8M0.15%+593,529+140.4%Added
BNP Paribas Arbitrage, SA964,443$246.6M0.13%+372,484+62.9%Added
National Pension Service928,506$237.4M0.15%+5,626+0.6%Added
Barclays PLC920,708$235.4M0.07%+72,983+8.6%Added
Royal Bank of Canada843,958$215.8M0.04%−14,260−1.7%Reduced
Lord, Abbett & Co. LLC837,252$214.1M0.61%−80,459−8.8%Reduced
Swiss National Bank830,666$212.4M0.11%−51,500−5.8%Reduced
AQR Capital Management LLC828,334$211.8M0.07%+395,728+91.5%Added
AustralianSuper Pty Ltd797,247$203.8M0.88%+307,698+62.9%Added
American Century Companies Inc716,275$183.1M0.08%+561,825+363.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.711,745$182.0M0.10%+36,932+5.5%Added
Vanguard Global Advisers, LLC696,456$178.1M0.08%−4,648−0.7%Reduced
Wells Fargo & Company692,418$177.0M0.03%−130,436−15.9%Reduced
Jones Financial Companies LLLP687,912$174.8M0.07%+66,147+10.6%Added
Voya Investment Management LLC671,811$171.8M0.15%+23,194+3.6%Added
Sumitomo Mitsui Trust Holdings, Inc.632,538$161.7M0.09%−11,277−1.8%Reduced
Vanguard Asset Management, Ltd632,097$161.6M0.11%+63,728+11.2%Added
Rhumbline Advisers615,535$157.4M0.12%−3,300−0.5%Reduced
California Public Employees Retirement System614,359$157.1M0.09%+77,517+14.4%Added
Fifth Third Bancorp595,156$152.2M0.25%−2,655−0.4%Reduced
Panagora Asset Management Inc581,908$148.8M0.46%+29,974+5.4%Added
Mariner, LLC559,173$143.6M0.15%+5,622+1.0%Added
Squarepoint Ops LLC554,045$141.7M0.27%+184,592+50.0%Added
Citigroup Inc553,625$141.5M0.07%+15,067+2.8%Added
HSBC Holdings PLC545,377$139.8M0.07%+56,200+11.5%Added
Canada Pension Plan Investment Board511,495$130.8M0.07%−610,078−54.4%Reduced
California State Teachers Retirement System503,816$128.8M0.12%+155,063+44.5%Added
Bank of Montreal483,814$123.7M0.05%−44,657−8.5%Reduced
Federated Hermes, Inc.469,785$120.1M0.17%+82,484+21.3%Added
Millennium Management LLC454,885$116.3M0.08%+22,946+5.3%Added
LPL Financial LLC441,653$112.9M0.03%+17,311+4.1%Added
Thrivent Financial for Lutherans438,578$112.1M0.19%+1,741+0.4%Added
Natixis Advisors, L.P.429,184$109.7M0.12%+34,720+8.8%Added
Franklin Resources Inc424,897$108.6M0.02%+26,991+6.8%Added
Citadel Advisors LLC412,252$105.4M0.06%+210,192+104.0%Added
Empyrean Capital Partners, LP395,600$101.1M3.56%−2,500−0.6%Reduced
Los Angeles Capital Management LLC383,151$98.0M0.36%−118,495−23.6%Reduced
Acadian Asset Management LLC375,026$95.9M0.11%−155,562−29.3%Reduced
Robeco Institutional Asset Management B.V.365,555$93.5M0.11%+13,078+3.7%Added
Envestnet Asset Management Inc359,389$91.9M0.02%−6,331−1.7%Reduced
Alliancebernstein L.P.370,777$90.5M0.03%+1,205+0.3%Added
Bridgewater Associates, LP349,224$89.3M0.37%+271,941+351.9%Added
SG Americas Securities, LLC340,285$87.0M0.05%+190,365+127.0%Added
The PNC Financial Services Group, Inc.330,999$84.6M0.04%−13,133−3.8%Reduced
Russell Investments Group, Ltd.325,282$83.4M0.07%−5,798−1.8%Reduced
Man Group plc293,849$75.1M0.14%+151,601+106.6%Added
Calamos Advisors LLC290,934$74.4M0.27%−28,225−8.8%Reduced
Merewether Investment Management, LP288,592$73.8M1.39%−21,908−7.1%Reduced
Aviva PLC272,489$69.7M0.10%+1,868+0.7%Added
O'Shaughnessy Asset Management, LLC262,567$67.1M0.31%−14,436−5.2%Reduced
Quantinno Capital Management LP261,554$66.9M0.08%+57,602+28.2%Added
Lazard Asset Management LLC254,813$65.1M0.10%+254,813New
State Board of Administration of Florida Retirement System250,813$64.1M0.11%−18,408−6.8%Reduced
New York State Teachers Retirement System244,918$62.6M0.12%−12,297−4.8%Reduced
Adage Capital Partners GP, L.L.C.235,160$60.1M0.08%−4,100−1.7%Reduced
Prudential Financial Inc234,107$59.9M0.07%+12,148+5.5%Added
Rockefeller Capital Management L.P.230,883$59.0M0.09%−19,405−7.8%Reduced
Harris Associates L PSuperinvestorHarris Associates (Oakmark)229,011$58.6M0.08%−2,576,961−91.8%Reduced
HM Payson & Co227,433$58.1M0.77%−17,756−7.2%Reduced
Arrowstreet Capital, Limited Partnership223,151$57.1M0.03%−187,308−45.6%Reduced
ARS Investment Partners, LLC220,952$56.5M2.47%+55,304+33.4%Added
Empowered Funds, LLC219,714$56.2M0.30%+82,611+60.3%Added
Korea Investment CORP216,010$55.2M0.10%−106,505−33.0%Reduced
Mackenzie Financial Corp211,024$54.0M0.05%+94,018+80.4%Added
Meyer Handelman Co210,043$53.7M1.52%−9,385−4.3%Reduced