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
Q3 2026 data is still coming in: 6 institutions have reported holding MPC so far. See Q3 2026
- 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,954 | $56.0B |
| Q1 2026 | 1,897 | $53.9B |
| Q4 2025 | 1,679 | $36.4B |
| Q3 2025 | 1,662 | $42.4B |
| Q2 2025 | 1,572 | $38.5B |
| Q1 2025 | 1,564 | $33.7B |
| Q4 2024 | 1,562 | $32.4B |
| Q3 2024 | 1,583 | $38.9B |
| Q2 2024 | 1,653 | $43.4B |
| Q1 2024 | 1,692 | $52.7B |
| Q4 2023 | 1,554 | $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, Q2 2026
Shares, value and share of portfolio for each institution holding Marathon Petroleum Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Distillate Capital Partners LLC | 110,738 | $28.3M | 1.47% | −4,020−3.5% | Reduced |
| Standard Life Aberdeen plc | 111,616 | $28.5M | 0.04% | +1,317+1.2% | Added |
| Martingale Asset Management L P | 112,067 | $28.7M | 0.68% | −4,736−4.1% | Reduced |
| Cetera Investment Advisers | 112,834 | $28.8M | 0.03% | +10,213+10.0% | Added |
| Bank of Nova Scotia | 113,403 | $29.0M | 0.04% | −142,489−55.7% | Reduced |
| Oppenheimer & Co Inc | 116,342 | $29.7M | 0.32% | −2,087−1.8% | Reduced |
| Teachers Retirement System of the State of Kentucky | 117,154 | $30.0M | 0.20% | −51,490−30.5% | Reduced |
| Commonwealth Equity Services, LLC | 121,048 | $30.9M | 0.04% | −6,803−5.3% | Reduced |
| Nomura Asset Management Co Ltd | 121,090 | $31.0M | 0.07% | −457−0.4% | Reduced |
| New York State Common Retirement Fund | 123,200 | $31.5M | 0.04% | −3,500−2.8% | Reduced |
| Holocene Advisors, LP | 123,764 | $31.6M | 0.07% | −290,370−70.1% | Reduced |
| Asset Management One Co.,Ltd. | 124,074 | $31.7M | 0.08% | +802+0.7% | Added |
| Treasurer of the State of North Carolina | 125,314 | $32.0M | 0.08% | −3,420−2.7% | Reduced |
| Marshall Wace, LLP | 126,027 | $32.2M | 0.03% | −257,309−67.1% | Reduced |
| Toronto Dominion Bank | 130,797 | $33.4M | 0.06% | +43,589+50.0% | Added |
| CI Private Wealth, LLC | 134,037 | $34.3M | 0.05% | +9,919+8.0% | Added |
| Advisor Group Holdings, Inc. | 134,880 | $34.5M | 0.04% | +9,205+7.3% | Added |
| Praetorian PR LLC | 135,000 | $34.5M | 11.00% | +40,000+42.1% | Added |
| Stifel Financial Corp | 136,693 | $34.9M | 0.03% | −4,056−2.9% | Reduced |
| TD Asset Management Inc | 140,835 | $36.0M | 0.03% | +13,480+10.6% | Added |
| Vanguard Investments Australia, Ltd. | 141,215 | $36.1M | 0.09% | +948+0.7% | Added |
| DekaBank Deutsche Girozentrale | 149,014 | $36.4M | 0.06% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 144,236 | $36.9M | 0.07% | −780−0.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 145,308 | $37.2M | 0.10% | −4,364−2.9% | Reduced |
| Teacher Retirement System of Texas | 150,770 | $38.5M | 0.10% | −88,368−37.0% | Reduced |
| Vinva Investment Management Ltd | 148,803 | $38.6M | 0.26% | +61,361+70.2% | Added |
| State of Wisconsin Investment Board | 157,221 | $40.2M | 0.08% | −3,676−2.3% | Reduced |
| Tortoise Capital Advisors, L.L.C. | 161,222 | $41.2M | 0.42% | −8,482−5.0% | Reduced |
| Maryland State Retirement & Pension System | 161,451 | $41.3M | 0.71% | +146,164+956.1% | Added |
| Greatmark Investment Partners, Inc. | 161,649 | $41.3M | 4.56% | −5,049−3.0% | Reduced |
| First Trust Advisors LP | 163,356 | $41.8M | 0.02% | −113,127−40.9% | Reduced |
| Nisa Investment Advisors, LLC | 166,832 | $42.7M | 0.13% | −10,899−6.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 168,061 | $43.0M | 0.08% | +1,551+0.9% | Added |
| NFJ Investment Group, LLC | 168,617 | $43.1M | 1.47% | +275+0.2% | Added |
| Royal London Asset Management Ltd | 169,614 | $43.4M | 0.08% | −2,960−1.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 170,757 | $43.7M | 0.10% | −61,745−26.6% | Reduced |
| Creative Planning | 172,830 | $44.2M | 0.03% | −7,080−3.9% | Reduced |
| HRT Financial LP | 173,506 | $44.4M | 0.08% | +173,506 | New |
| Manufacturers Life Insurance Company, The | 176,990 | $45.3M | 0.04% | −5,671−3.1% | Reduced |
| Qube Research & Technologies Ltd | 178,362 | $45.6M | 0.05% | +41,097+29.9% | Added |
| Ensign Peak Advisors, Inc | 181,324 | $46.4M | 0.08% | +17,717+10.8% | Added |
| CIBC World Markets Inc. | 183,341 | $46.9M | 0.08% | −27,142−12.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 187,386 | $47.7M | 0.07% | +10,997+6.2% | Added |
| KBC Group NV | 190,429 | $48.7M | 0.11% | −60,642−24.2% | Reduced |
| Cerity Partners LLC | 197,580 | $50.5M | 0.06% | −7,099−3.5% | Reduced |
| Steward Partners Investment Advisory, LLC | 197,998 | $50.6M | 0.26% | −567−0.3% | Reduced |
| SEI Investments Co | 205,038 | $52.4M | 0.05% | +19,180+10.3% | Added |
| HighTower Advisors, LLC | 205,352 | $52.5M | 0.05% | −15,373−7.0% | Reduced |
| Gabelli Funds LLC | 206,200 | $52.7M | 0.34% | −8,800−4.1% | Reduced |
| Kayne Anderson Capital Advisors LP | 206,525 | $52.8M | 1.04% | +46,537+29.1% | Added |
| Hosking Partners LLP | 206,846 | $52.9M | 1.76% | −3,427−1.6% | Reduced |
| Pictet Asset Management Holding SA | 207,386 | $53.0M | 0.05% | −6,159−2.9% | Reduced |
| Great West Life Assurance Co | 209,688 | $53.5M | 0.09% | −26,862−11.4% | Reduced |
| Meyer Handelman Co | 210,043 | $53.7M | 1.52% | −9,385−4.3% | Reduced |
| Mackenzie Financial Corp | 211,024 | $54.0M | 0.05% | +94,018+80.4% | Added |
| Korea Investment CORP | 216,010 | $55.2M | 0.10% | −106,505−33.0% | Reduced |
| Empowered Funds, LLC | 219,714 | $56.2M | 0.30% | +82,611+60.3% | Added |
| ARS Investment Partners, LLC | 220,952 | $56.5M | 2.47% | +55,304+33.4% | Added |
| Arrowstreet Capital, Limited Partnership | 223,151 | $57.1M | 0.03% | −187,308−45.6% | Reduced |
| HM Payson & Co | 227,433 | $58.1M | 0.77% | −17,756−7.2% | Reduced |
| Harris Associates L PSuperinvestorHarris Associates (Oakmark) | 229,011 | $58.6M | 0.08% | −2,576,961−91.8% | Reduced |
| Rockefeller Capital Management L.P. | 230,883 | $59.0M | 0.09% | −19,405−7.8% | Reduced |
| Prudential Financial Inc | 234,107 | $59.9M | 0.07% | +12,148+5.5% | Added |
| Adage Capital Partners GP, L.L.C. | 235,160 | $60.1M | 0.08% | −4,100−1.7% | Reduced |
| New York State Teachers Retirement System | 244,918 | $62.6M | 0.12% | −12,297−4.8% | Reduced |
| State Board of Administration of Florida Retirement System | 250,813 | $64.1M | 0.11% | −18,408−6.8% | Reduced |
| Lazard Asset Management LLC | 254,813 | $65.1M | 0.10% | +254,813 | New |
| Quantinno Capital Management LP | 261,554 | $66.9M | 0.08% | +57,602+28.2% | Added |
| O'Shaughnessy Asset Management, LLC | 262,567 | $67.1M | 0.31% | −14,436−5.2% | Reduced |
| Aviva PLC | 272,489 | $69.7M | 0.10% | +1,868+0.7% | Added |
| Merewether Investment Management, LP | 288,592 | $73.8M | 1.39% | −21,908−7.1% | Reduced |
| Calamos Advisors LLC | 290,934 | $74.4M | 0.27% | −28,225−8.8% | Reduced |
| Man Group plc | 293,849 | $75.1M | 0.14% | +151,601+106.6% | Added |
| Russell Investments Group, Ltd. | 325,282 | $83.4M | 0.07% | −5,798−1.8% | Reduced |
| The PNC Financial Services Group, Inc. | 330,999 | $84.6M | 0.04% | −13,133−3.8% | Reduced |
| SG Americas Securities, LLC | 340,285 | $87.0M | 0.05% | +190,365+127.0% | Added |
| Bridgewater Associates, LP | 349,224 | $89.3M | 0.37% | +271,941+351.9% | Added |
| Alliancebernstein L.P. | 370,777 | $90.5M | 0.03% | +1,205+0.3% | Added |
| Envestnet Asset Management Inc | 359,389 | $91.9M | 0.02% | −6,331−1.7% | Reduced |
| Robeco Institutional Asset Management B.V. | 365,555 | $93.5M | 0.11% | +13,078+3.7% | Added |
| Acadian Asset Management LLC | 375,026 | $95.9M | 0.11% | −155,562−29.3% | Reduced |
| Los Angeles Capital Management LLC | 383,151 | $98.0M | 0.36% | −118,495−23.6% | Reduced |
| Empyrean Capital Partners, LP | 395,600 | $101.1M | 3.56% | −2,500−0.6% | Reduced |
| Citadel Advisors LLC | 412,252 | $105.4M | 0.06% | +210,192+104.0% | Added |
| Franklin Resources Inc | 424,897 | $108.6M | 0.02% | +26,991+6.8% | Added |
| Natixis Advisors, L.P. | 429,184 | $109.7M | 0.12% | +34,720+8.8% | Added |
| Thrivent Financial for Lutherans | 438,578 | $112.1M | 0.19% | +1,741+0.4% | Added |
| LPL Financial LLC | 441,653 | $112.9M | 0.03% | +17,311+4.1% | Added |
| Millennium Management LLC | 454,885 | $116.3M | 0.08% | +22,946+5.3% | Added |
| Federated Hermes, Inc. | 469,785 | $120.1M | 0.17% | +82,484+21.3% | Added |
| Bank of Montreal | 483,814 | $123.7M | 0.05% | −44,657−8.5% | Reduced |
| California State Teachers Retirement System | 503,816 | $128.8M | 0.12% | +155,063+44.5% | Added |
| Canada Pension Plan Investment Board | 511,495 | $130.8M | 0.07% | −610,078−54.4% | Reduced |
| HSBC Holdings PLC | 545,377 | $139.8M | 0.07% | +56,200+11.5% | Added |
| Citigroup Inc | 553,625 | $141.5M | 0.07% | +15,067+2.8% | Added |
| Squarepoint Ops LLC | 554,045 | $141.7M | 0.27% | +184,592+50.0% | Added |
| Mariner, LLC | 559,173 | $143.6M | 0.15% | +5,622+1.0% | Added |
| Panagora Asset Management Inc | 581,908 | $148.8M | 0.46% | +29,974+5.4% | Added |
| Fifth Third Bancorp | 595,156 | $152.2M | 0.25% | −2,655−0.4% | Reduced |
| California Public Employees Retirement System | 614,359 | $157.1M | 0.09% | +77,517+14.4% | Added |