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; 1,953 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, Q1 2026
Institutional positions in Marathon Petroleum Corp as of Mar 31, 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
- 1,897
- +243 vs. Q4 2025
- Shares held
- 221.0M
- +38.8M (+21.3%) vs. Q4 2025
- Total value
- $53.9B
- +$24.3B (+81.8%) vs. Q4 2025
- New holders
- 353
- 568 more added
- Sold out
- 110
- 678 more reduced
25 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,953 | $56.0B |
| Q1 2026 | 1,896 | $53.9B |
| Q4 2025 | 1,679 | $36.4B |
| Q3 2025 | 1,662 | $42.4B |
| Q2 2025 | 1,572 | $38.5B |
| Q1 2025 | 1,562 | $33.7B |
| Q4 2024 | 1,561 | $32.4B |
| Q3 2024 | 1,582 | $38.9B |
| Q2 2024 | 1,652 | $43.4B |
| Q1 2024 | 1,691 | $52.7B |
| Q4 2023 | 1,553 | $41.1B |
| Q3 2023 | 1,476 | $43.8B |
| Q2 2023 | 1,356 | $35.4B |
| Q1 2023 | 1,442 | $44.3B |
| Q4 2022 | 1,391 | $40.9B |
| Q3 2022 | 1,293 | $36.1B |
| Q2 2022 | 1,234 | $32.3B |
| Q1 2022 | 1,185 | $36.1B |
| Q4 2021 | 1,098 | $28.9B |
| Q3 2021 | 1,008 | $29.6B |
| Q2 2021 | 1,004 | $29.5B |
| Q1 2021 | 976 | $27.0B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Marathon Petroleum Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 24,394,842 | $5.96B | 0.10% | +1,969,621+8.8% | Added |
| Vanguard Capital Management LLC | 19,170,094 | $4.68B | 0.12% | +19,170,094 | New |
| State Street Corp | 19,025,020 | $4.65B | 0.16% | +1,090,693+6.1% | Added |
| Vanguard Portfolio Management LLC | 15,672,113 | $3.83B | 0.20% | +15,672,113 | New |
| Geode Capital Management, LLC | 7,821,524 | $1.90B | 0.12% | +52,055+0.7% | Added |
| Morgan Stanley | 6,073,543 | $1.48B | 0.09% | −10,342−0.2% | Reduced |
| Raymond James Financial Inc | 5,773,769 | $1.41B | 0.43% | −41,265−0.7% | Reduced |
| Boston Partners | 5,649,204 | $1.38B | 1.44% | −470,511−7.7% | Reduced |
| Wellington Management Group LLP | 5,637,187 | $1.38B | 0.26% | −1,566,349−21.7% | Reduced |
| FMR LLC | 4,911,081 | $1.20B | 0.06% | +1,439,068+41.4% | Added |
| Bank of New York Mellon Corp | 3,953,318 | $965.3M | 0.18% | −457,896−10.4% | Reduced |
| JPMorgan Chase & Co | 3,435,812 | $842.3M | 0.06% | +237,982+7.4% | Added |
| Northern Trust Corp | 3,176,869 | $775.7M | 0.10% | −112,697−3.4% | Reduced |
| Dimensional Fund Advisors LP | 3,087,982 | $754.1M | 0.16% | −260,288−7.8% | Reduced |
| Invesco Ltd. | 2,828,645 | $690.7M | 0.07% | +228,454+8.8% | Added |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 2,805,972 | $685.2M | 0.92% | −1,225,990−30.4% | Reduced |
| Goldman Sachs Group Inc | 2,754,843 | $672.7M | 0.09% | +414,949+17.7% | Added |
| Charles Schwab Investment Management Inc | 2,729,389 | $666.5M | 0.10% | −88,972−3.2% | Reduced |
| Bank of America Corp | 2,595,084 | $633.7M | 0.05% | +40,124+1.6% | Added |
| Ameriprise Financial Inc | 2,224,185 | $543.1M | 0.13% | −24,769−1.1% | Reduced |
| Amundi | 1,905,379 | $465.3M | 0.13% | +48,675+2.6% | Added |
| Allianz Asset Management GmbH | 1,699,648 | $415.0M | 0.48% | +148,252+9.6% | Added |
| UBS Group AG | 1,674,455 | $408.9M | 0.07% | +405,584+32.0% | Added |
| Legal & General Group Plc | 1,661,076 | $405.6M | 0.09% | −53,031−3.1% | Reduced |
| Vanguard Fiduciary Trust Co | 1,660,886 | $405.6M | 0.10% | +1,660,886 | New |
| Capital Wealth Planning, LLC | 1,641,315 | $400.8M | 2.21% | +143,191+9.6% | Added |
| US Bancorp | 1,548,556 | $378.1M | 0.46% | −58,455−3.6% | Reduced |
| Two Sigma Investments, LP | 1,524,286 | $372.2M | 0.31% | +636,752+71.7% | Added |
| Principal Financial Group Inc | 1,519,520 | $371.0M | 0.20% | −134,952−8.2% | Reduced |
| Pacer Advisors, Inc. | 1,338,092 | $326.7M | 0.94% | +31,343+2.4% | Added |
| UBS Asset Management Americas Inc | 1,292,803 | $315.7M | 0.07% | +5710.0% | Added |
| Price T Rowe Associates Inc | 1,283,092 | $313.3M | 0.04% | −775,584−37.7% | Reduced |
| LSV Asset Management | 1,281,834 | $313.0M | 0.67% | −48,030−3.6% | Reduced |
| Canada Pension Plan Investment Board | 1,121,573 | $273.9M | 0.18% | −161,584−12.6% | Reduced |
| Deutsche Bank AG | 1,118,979 | $273.2M | 0.09% | +95,609+9.3% | Added |
| Nuveen, LLC | 984,658 | $240.4M | 0.07% | +182,914+22.8% | Added |
| National Pension Service | 922,880 | $225.3M | 0.17% | +37,454+4.2% | Added |
| Lord, Abbett & Co. LLC | 917,711 | $224.1M | 0.73% | +353,041+62.5% | Added |
| Swiss National Bank | 882,166 | $215.4M | 0.12% | +49,000+5.9% | Added |
| Royal Bank of Canada | 858,218 | $209.6M | 0.04% | −26,040−2.9% | Reduced |
| Barclays PLC | 847,725 | $207.0M | 0.07% | +175,911+26.2% | Added |
| Wells Fargo & Company | 822,854 | $200.9M | 0.04% | +79,826+10.7% | Added |
| Vanguard Global Advisers, LLC | 701,104 | $171.2M | 0.09% | +701,104 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 674,813 | $164.8M | 0.11% | +36,290+5.7% | Added |
| Voya Investment Management LLC | 648,617 | $158.4M | 0.16% | −10,063−1.5% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 643,815 | $157.2M | 0.10% | −42,691−6.2% | Reduced |
| Jones Financial Companies LLLP | 621,765 | $156.3M | 0.08% | +249,009+66.8% | Added |
| Rhumbline Advisers | 618,835 | $151.1M | 0.13% | −30,120−4.6% | Reduced |
| Fifth Third Bancorp | 597,811 | $146.0M | 0.27% | +67,583+12.7% | Added |
| BNP Paribas Arbitrage, SA | 591,959 | $144.5M | 0.10% | −169,320−22.2% | Reduced |
| Vanguard Asset Management, Ltd | 568,369 | $138.8M | 0.12% | +568,369 | New |
| Mariner, LLC | 553,551 | $135.2M | 0.16% | +1,477+0.3% | Added |
| Panagora Asset Management Inc | 551,934 | $134.8M | 0.50% | +410,318+289.7% | Added |
| Citigroup Inc | 538,558 | $131.5M | 0.08% | +101,101+23.1% | Added |
| California Public Employees Retirement System | 536,842 | $131.1M | 0.08% | −48,765−8.3% | Reduced |
| Acadian Asset Management LLC | 530,588 | $129.5M | 0.18% | +310,073+140.6% | Added |
| Bank of Montreal | 528,471 | $129.0M | 0.05% | +12,960+2.5% | Added |
| Los Angeles Capital Management LLC | 501,646 | $122.5M | 0.48% | +286,949+133.7% | Added |
| AustralianSuper Pty Ltd | 489,549 | $119.5M | 0.62% | +16,099+3.4% | Added |
| HSBC Holdings PLC | 489,177 | $119.5M | 0.07% | −58,132−10.6% | Reduced |
| Thrivent Financial for Lutherans | 436,837 | $106.7M | 0.20% | +5,427+1.3% | Added |
| AQR Capital Management LLC | 432,606 | $105.6M | 0.05% | +23,166+5.7% | Added |
| Millennium Management LLC | 431,939 | $105.5M | 0.08% | +288,583+201.3% | Added |
| LPL Financial LLC | 424,342 | $103.6M | 0.03% | +13,270+3.2% | Added |
| Victory Capital Management Inc | 422,686 | $103.2M | 0.07% | −633,211−60.0% | Reduced |
| Holocene Advisors, LP | 414,134 | $101.1M | 0.24% | +414,134 | New |
| Arrowstreet Capital, Limited Partnership | 410,459 | $100.2M | 0.05% | +376,721+1,116.6% | Added |
| Empyrean Capital Partners, LP | 398,100 | $97.2M | 3.24% | −38,400−8.8% | Reduced |
| Franklin Resources Inc | 397,906 | $97.2M | 0.02% | +175,954+79.3% | Added |
| Natixis Advisors, L.P. | 394,464 | $96.3M | 0.13% | +153,805+63.9% | Added |
| Federated Hermes, Inc. | 387,301 | $94.6M | 0.15% | +177,983+85.0% | Added |
| Marshall Wace, LLP | 383,336 | $93.6M | 0.10% | +149,936+64.2% | Added |
| Squarepoint Ops LLC | 369,453 | $90.2M | 0.19% | +215,324+139.7% | Added |
| Envestnet Asset Management Inc | 365,720 | $89.3M | 0.02% | +84,355+30.0% | Added |
| Robeco Institutional Asset Management B.V. | 352,477 | $86.1M | 0.12% | +118,047+50.4% | Added |
| California State Teachers Retirement System | 348,753 | $85.2M | 0.09% | −15,505−4.3% | Reduced |
| The PNC Financial Services Group, Inc. | 344,132 | $84.0M | 0.05% | +5,320+1.6% | Added |
| Russell Investments Group, Ltd. | 331,080 | $81.0M | 0.09% | +26,502+8.7% | Added |
| Korea Investment CORP | 322,515 | $78.8M | 0.16% | +12,294+4.0% | Added |
| Calamos Advisors LLC | 319,159 | $77.9M | 0.30% | +5,955+1.9% | Added |
| Merewether Investment Management, LP | 310,500 | $75.8M | 1.47% | +310,500 | New |
| O'Shaughnessy Asset Management, LLC | 277,003 | $67.6M | 0.34% | +567+0.2% | Added |
| First Trust Advisors LP | 276,483 | $67.5M | 0.05% | +146,512+112.7% | Added |
| Aviva PLC | 270,621 | $66.1M | 0.11% | +9,637+3.7% | Added |
| State Board of Administration of Florida Retirement System | 269,221 | $65.7M | 0.12% | −9,297−3.3% | Reduced |
| New York State Teachers Retirement System | 257,215 | $62.8M | 0.13% | −343−0.1% | Reduced |
| Bank of Nova Scotia | 255,892 | $62.5M | 0.11% | +50,194+24.4% | Added |
| KBC Group NV | 251,071 | $61.3M | 0.15% | +25,234+11.2% | Added |
| Rockefeller Capital Management L.P. | 250,288 | $61.1M | 0.11% | −34,575−12.1% | Reduced |
| Alliancebernstein L.P. | 369,572 | $60.1M | 0.02% | −15,967−4.1% | Reduced |
| HM Payson & Co | 245,189 | $59.9M | 0.86% | −57,781−19.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 239,260 | $58.4M | 0.09% | +67,900+39.6% | Added |
| Teacher Retirement System of Texas | 239,138 | $58.4M | 0.24% | +23,145+10.7% | Added |
| Great West Life Assurance Co | 236,550 | $58.0M | 0.10% | +6,469+2.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 232,502 | $56.8M | 0.14% | −46,232−16.6% | Reduced |
| Prudential Financial Inc | 221,959 | $54.2M | 0.07% | +58,658+35.9% | Added |
| HighTower Advisors, LLC | 220,725 | $53.9M | 0.06% | +10,291+4.9% | Added |
| Reaves W H & Co Inc | 220,615 | $53.9M | 0.89% | +53,615+32.1% | Added |
| Meyer Handelman Co | 219,428 | $53.6M | 1.67% | −8,257−3.6% | Reduced |
| Gabelli Funds LLC | 215,000 | $52.5M | 0.35% | −15,900−6.9% | Reduced |