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, 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 | 1,954 | $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, 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 |
|---|---|---|---|---|---|
| Laird Norton Trust Company, LLC | 19,360 | $4.73M | 0.10% | −2,332−10.8% | Reduced |
| Thompson Siegel & Walmsley LLC | 19,067 | $4.66M | 0.08% | −1,141−5.6% | Reduced |
| EP Wealth Advisors, LLC | 18,662 | $4.56M | 0.02% | −1,374−6.9% | Reduced |
| Hancock Whitney Corp | 18,324 | $4.55M | 0.08% | −921−4.8% | Reduced |
| CSM Advisors, LLC | 18,620 | $4.55M | 0.11% | −742−3.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 18,530 | $4.52M | 0.01% | −9,453−33.8% | Reduced |
| Coldstream Capital Management Inc | 18,478 | $4.51M | 0.06% | +10,535+132.6% | Added |
| Peterson Wealth Services | 18,430 | $4.50M | 1.11% | −487−2.6% | Reduced |
| Fisher Asset Management, LLC | 18,369 | $4.49M | 0.00% | −838−4.4% | Reduced |
| Mader & Shannon Wealth Management, Inc. | 18,084 | $4.42M | 2.04% | +1,325+7.9% | Added |
| First Nebraska Trust Co | 18,069 | $4.41M | 0.41% | −50.0% | Reduced |
| QRG Capital Management, Inc. | 18,001 | $4.40M | 0.05% | +1,750+10.8% | Added |
| Wealth Intelligence, LLC | 17,870 | $4.36M | 2.10% | −116−0.6% | Reduced |
| Mizuho Securities USA LLC | 17,834 | $4.35M | 0.10% | −4,054−18.5% | Reduced |
| Csenge Advisory Group | 17,698 | $4.32M | 0.20% | +7,390+71.7% | Added |
| Empirical Finance, LLC | 17,683 | $4.32M | 0.20% | −75−0.4% | Reduced |
| Northwest & Ethical Investments L.P. | 17,615 | $4.30M | 0.10% | +17,615 | New |
| Park Avenue Securities LLC | 17,510 | $4.28M | 0.03% | +2,091+13.6% | Added |
| First Manhattan Co | 17,483 | $4.27M | 0.01% | −1,093−5.9% | Reduced |
| Syon Capital LLC | 17,362 | $4.24M | 0.21% | −212−1.2% | Reduced |
| Accretive Wealth Partners, LLC | 17,213 | $4.20M | 1.19% | +100+0.6% | Added |
| Fulcrum Asset Management LLP | 17,110 | $4.19M | 0.63% | +17,110 | New |
| Abn Amro Investment Solutions | 17,111 | $4.18M | 0.05% | +1,726+11.2% | Added |
| Stonebridge Financial Group, LLC | 17,047 | $4.16M | 0.34% | −4,762−21.8% | Reduced |
| Insigneo Advisory Services, LLC | 17,034 | $4.16M | 0.30% | +33+0.2% | Added |
| Park National Corp | 16,860 | $4.12M | 0.13% | −379−2.2% | Reduced |
| Hartford Investment Management Co | 16,796 | $4.10M | 0.13% | −600−3.4% | Reduced |
| O'Domhnaill Enterprises, Inc. | 16,757 | $4.09M | 3.30% | −589−3.4% | Reduced |
| Brinker Capital Investments, LLC | 16,754 | $4.09M | 0.03% | −2,605−13.5% | Reduced |
| Bryn Mawr Trust Co | 16,670 | $4.07M | 0.10% | 00.0% | Unchanged |
| CX Institutional | 16,474 | $4.02M | 0.12% | +5,574+51.1% | Added |
| AIA Group Ltd | 16,425 | $4.01M | 0.06% | +16,425 | New |
| Dynasty Wealth Management, LLC | 16,329 | $3.99M | 0.03% | −1,539−8.6% | Reduced |
| Quadrant Capital Group LLC | 16,245 | $3.97M | 0.12% | +202+1.3% | Added |
| Tower Research Capital LLC (TRC) | 16,138 | $3.94M | 0.10% | +8,528+112.1% | Added |
| Stratos Wealth Partners, LTD. | 16,034 | $3.92M | 0.04% | −3,483−17.8% | Reduced |
| Leavell Investment Management, Inc. | 15,995 | $3.91M | 0.16% | −655−3.9% | Reduced |
| TD Waterhouse Canada Inc. | 16,448 | $3.91M | 0.01% | +11,853+258.0% | Added |
| Umb Bank N A | 15,939 | $3.89M | 0.05% | −2,507−13.6% | Reduced |
| CrossGen Wealth, LLC | 15,929 | $3.89M | 3.42% | −147−0.9% | Reduced |
| United Capital Financial Advisers, LLC | 15,912 | $3.89M | 0.02% | −100−0.6% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 15,894 | $3.88M | 0.20% | −1,800−10.2% | Reduced |
| AMG National Trust Bank | 15,887 | $3.88M | 0.08% | +193+1.2% | Added |
| Hudson Canyon Capital Management | 15,786 | $3.85M | 2.36% | −454−2.8% | Reduced |
| Diversified Trust Co | 15,687 | $3.83M | 0.07% | +12+0.1% | Added |
| Merrion Investment Management Co, LLC | 15,619 | $3.81M | 2.05% | 00.0% | Unchanged |
| West Michigan Advisors, LLC | 15,617 | $3.81M | 0.84% | −1,016−6.1% | Reduced |
| Metis Global Partners, LLC | 15,578 | $3.80M | 0.09% | −1,111−6.7% | Reduced |
| CAPROCK Group, Inc. | 15,557 | $3.80M | 0.09% | −1,427−8.4% | Reduced |
| Farther Finance Advisors, LLC | 15,834 | $3.77M | 0.04% | +1,714+12.1% | Added |
| Convergence Investment Partners, LLC | 15,418 | $3.76M | 0.62% | −8,453−35.4% | Reduced |
| Maryland State Retirement & Pension System | 15,287 | $3.73M | 0.08% | 00.0% | Unchanged |
| Steel Peak Wealth Management LLC | 15,265 | $3.73M | 0.12% | +1,010+7.1% | Added |
| Louisiana State Employees Retirement System | 15,000 | $3.66M | 0.06% | −400−2.6% | Reduced |
| Kentucky Farm Bureau Mutual Insurance Co | 15,000 | $3.66M | 1.11% | 00.0% | Unchanged |
| Baker Avenue Asset Management, LP | 14,994 | $3.66M | 0.08% | +37+0.2% | Added |
| Town & Country Bank & Trust CO dba First Bankers Trust CO | 14,978 | $3.66M | 1.24% | −106−0.7% | Reduced |
| Callan Family Office, LLC | 14,920 | $3.64M | 0.08% | +489+3.4% | Added |
| Beacon Pointe Advisors, LLC | 14,912 | $3.64M | 0.02% | +4,219+39.5% | Added |
| Miller Capital Partners, Inc. | 14,892 | $3.64M | 1.76% | −110−0.7% | Reduced |
| Phoenix Wealth Advisors | 14,847 | $3.63M | 1.43% | −391−2.6% | Reduced |
| RSM US Wealth Management LLC | 14,833 | $3.62M | 0.04% | +1,150+8.4% | Added |
| Ingalls & Snyder LLC | 14,744 | $3.60M | 0.13% | −105−0.7% | Reduced |
| SWS Partners | 14,558 | $3.55M | 0.88% | +1,281+9.6% | Added |
| Level Four Advisory Services, LLC | 14,541 | $3.55M | 0.12% | −116−0.8% | Reduced |
| Farmers & Merchants Trust Co of Long Beach | 14,320 | $3.50M | 0.82% | −368−2.5% | Reduced |
| Nicholas Investment Partners, LP | 14,296 | $3.49M | 0.25% | 00.0% | Unchanged |
| Paradigm Asset Management Co LLC | 14,200 | $3.47M | 0.81% | 00.0% | Unchanged |
| Runnymede Capital Advisors, Inc. | 14,173 | $3.46M | 2.97% | +14,173 | New |
| EverSource Wealth Advisors, LLC | 14,135 | $3.45M | 0.11% | +5,022+55.1% | Added |
| New Mexico Educational Retirement Board | 14,129 | $3.45M | 0.11% | 00.0% | Unchanged |
| Wills Financial Group LLC | 13,721 | $3.42M | 1.29% | −223−1.6% | Reduced |
| Avidian Wealth Solutions, LLC | 13,986 | $3.42M | 0.11% | −132−0.9% | Reduced |
| Vontobel Holding Ltd. | 13,978 | $3.41M | 0.01% | +679+5.1% | Added |
| Profund Advisors LLC | 13,954 | $3.41M | 0.13% | +3,445+32.8% | Added |
| Nemes Rush Group LLC | 13,939 | $3.40M | 0.32% | −21−0.2% | Reduced |
| City Holding Co | 13,866 | $3.39M | 0.42% | +230+1.7% | Added |
| TMB Capital Partners, LLC | 13,561 | $3.31M | 1.11% | +147+1.1% | Added |
| Havemeyer Place LP | 13,545 | $3.31M | 0.38% | +13,545 | New |
| Skopos Labs, Inc. | 13,456 | $3.29M | 0.10% | +3,253+31.9% | Added |
| GAMMA Investing LLC | 13,410 | $3.27M | 0.15% | +424+3.3% | Added |
| Woodard & Co Asset Management Group Inc | 13,156 | $3.21M | 0.51% | −2,123−13.9% | Reduced |
| Signaturefd, LLC | 13,032 | $3.18M | 0.05% | −128−1.0% | Reduced |
| Prosperity Consulting Group, LLC | 12,989 | $3.17M | 0.14% | −735−5.4% | Reduced |
| Integrated Wealth Concepts LLC | 12,919 | $3.15M | 0.03% | +9,975+338.8% | Added |
| Kingswood Wealth Advisors, LLC | 12,918 | $3.15M | 0.15% | −149−1.1% | Reduced |
| Chicago Partners Investment Group LLC | 14,204 | $3.15M | 0.07% | −98−0.7% | Reduced |
| Choate Investment Advisors | 12,870 | $3.14M | 0.06% | +1,024+8.6% | Added |
| Ethic Inc. | 12,812 | $3.13M | 0.05% | −265−2.0% | Reduced |
| Cresset Asset Management, LLC | 12,691 | $3.10M | 0.01% | −847−6.3% | Reduced |
| Ballentine Partners, LLC | 12,636 | $3.09M | 0.04% | 00.0% | Unchanged |
| Genus Capital Management Inc. | 12,600 | $3.08M | 0.35% | +12,600 | New |
| First Citizens Bank & Trust Co | 12,578 | $3.07M | 0.06% | −286−2.2% | Reduced |
| Busey Wealth Management | 12,328 | $3.01M | 0.08% | −8−0.1% | Reduced |
| Osmosis Investment Management UK Ltd | 12,290 | $3.00M | 0.08% | +324+2.7% | Added |
| Johnson Investment Counsel Inc | 12,251 | $2.99M | 0.02% | −1,516−11.0% | Reduced |
| Berry Wealth Group, LP | 12,220 | $2.98M | 11.15% | −303−2.4% | Reduced |
| Welch & Forbes LLC | 12,175 | $2.97M | 0.04% | 00.0% | Unchanged |
| MUFG Securities EMEA plc | 12,094 | $2.95M | 0.04% | −229−1.9% | Reduced |
| Buckingham Strategic Partners | 12,023 | $2.94M | 0.03% | +2,894+31.7% | Added |