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.
| 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 |
|---|---|---|---|---|---|
| Moment Partners, LLC | 1,060 | $271.0K | 0.05% | 00.0% | Unchanged |
| SkyOak Wealth, LLC | 1,065 | $272.3K | 0.04% | −104−8.9% | Reduced |
| Embree Financial Group | 1,068 | $273.0K | 0.03% | +14+1.3% | Added |
| Nitor Capital Management LLC | 1,070 | $273.6K | 0.18% | −300−21.9% | Reduced |
| Midwest Trust Co | 1,071 | $273.8K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 1,070 | $274.0K | 0.02% | +1,070 | New |
| Optas, LLC | 1,073 | $274.3K | 0.04% | +28+2.7% | Added |
| Client 1st Advisory Group, LLC | 1,075 | $274.8K | 0.07% | +31+3.0% | Added |
| Investment Research Partners LLC | 1,076 | $275.1K | 0.09% | +54+5.3% | Added |
| Onyx Bridge Wealth Group LLC | 1,082 | $276.5K | 0.02% | −179−14.2% | Reduced |
| Sentinus, LLC | 1,084 | $277.1K | 0.02% | +70+6.9% | Added |
| Madison Wealth Partners, Inc | 1,087 | $277.9K | 0.04% | +15+1.4% | Added |
| Reliant Investment Partners, LLC | 1,089 | $278.4K | 0.19% | 00.0% | Unchanged |
| City State Bank | 1,091 | $278.9K | 0.06% | 00.0% | Unchanged |
| Baltimore-Washington Financial Advisors, Inc. | 1,099 | $281.0K | 0.01% | +10+0.9% | Added |
| Columbia Asset Management | 1,100 | $281.2K | 0.05% | 00.0% | Unchanged |
| Fortress Private Ledger, LLC | 1,100 | $281.2K | 0.08% | 00.0% | Unchanged |
| Meadowbrook Advisors Group, LLC | 1,100 | $281.2K | 0.15% | 00.0% | Unchanged |
| Ashton Thomas Private Wealth, LLC | 1,103 | $281.9K | 0.01% | −17−1.5% | Reduced |
| HighPoint Advisor Group LLC | 1,103 | $282.0K | 0.01% | +198+21.9% | Added |
| Advus Financial Partners, LLC | 1,109 | $283.5K | 0.06% | −5−0.4% | Reduced |
| Westshore Wealth, LLC | 1,115 | $285.1K | 0.09% | +15+1.4% | Added |
| Mirabella Financial Services LLP | 1,115 | $285.1K | 0.03% | +260+30.4% | Added |
| MASTERINVEST Kapitalanlage GmbH | 1,118 | $285.8K | 0.02% | −412−26.9% | Reduced |
| RKL Wealth Management LLC | 1,118 | $285.8K | 0.02% | +44+4.1% | Added |
| Ellenbecker Investment Group | 1,118 | $285.9K | 0.03% | +11+1.0% | Added |
| McLean Asset Management Corp | 904 | $286.2K | 0.04% | −9−1.0% | Reduced |
| GTS Securities LLC | 1,129 | $288.7K | 0.01% | +226+25.0% | Added |
| Delos Wealth Advisors, LLC | 1,130 | $288.9K | 0.15% | −149−11.6% | Reduced |
| Zacks Investment Management | 1,130 | $289.0K | 0.00% | +153+15.7% | Added |
| Inscription Capital, LLC | 1,131 | $289.1K | 0.03% | +227+25.1% | Added |
| Guilbault Capital LLC | 1,131 | $289.2K | 0.29% | −55−4.6% | Reduced |
| Encompass More Asset Management | 1,131 | $289.2K | 0.04% | +1,131 | New |
| Legacy Advisors, LLC | 1,133 | $289.7K | 0.03% | +27+2.4% | Added |
| Impact Capital Partners LLC | 1,137 | $290.7K | 0.08% | −13−1.1% | Reduced |
| Altus Wealth Group LLC | 1,140 | $291.5K | 0.11% | +68+6.3% | Added |
| Colonial Trust Co | 1,142 | $292.0K | 0.04% | 00.0% | Unchanged |
| 1776 Wealth LLC | 1,143 | $292.2K | 0.10% | 00.0% | Unchanged |
| TrueWealth Advisors, LLC | 1,144 | $292.4K | 0.07% | −13−1.1% | Reduced |
| Arbor Trust Wealth Advisors, LLC | 1,144 | $292.5K | 0.12% | −100−8.0% | Reduced |
| Root Financial Partners, LLC | 1,144 | $292.5K | 0.01% | +168+17.2% | Added |
| BlackDiamond Wealth Management Inc. | 915 | $293.2K | 0.12% | −292−24.2% | Reduced |
| American Trust | 1,148 | $293.5K | 0.02% | +106+10.2% | Added |
| Second Line Capital, LLC | 1,149 | $293.8K | 0.05% | −4−0.3% | Reduced |
| Madrona Financial Services, LLC | 1,152 | $294.5K | 0.05% | +3+0.3% | Added |
| Alta Advisers Ltd | 1,157 | $295.8K | 0.07% | 00.0% | Unchanged |
| Weatherly Asset Management L. P. | 1,157 | $295.9K | 0.02% | 00.0% | Unchanged |
| First Commonwealth Financial Corp | 1,159 | $296.3K | 0.04% | 00.0% | Unchanged |
| TBH Global Asset Management, LLC | 1,162 | $297.2K | 0.05% | 00.0% | Unchanged |
| Phillips Wealth Planners LLC | 1,119 | $298.0K | 0.22% | −1−0.1% | Reduced |
| KRS Capital Management, LLC | 1,166 | $298.1K | 0.14% | +13+1.1% | Added |
| Grove Bank & Trust | 1,167 | $298.4K | 0.03% | −1,414−54.8% | Reduced |
| Successful Portfolios LLC | 1,054 | $299.0K | 0.14% | −64−5.7% | Reduced |
| Bryant Woods Investment Advisors, LLC | 1,172 | $299.5K | 0.08% | +2+0.2% | Added |
| Albion Financial Group | 1,172 | $299.6K | 0.02% | 00.0% | Unchanged |
| Terry L. Blaker | 1,175 | $300.4K | 0.01% | −528−31.0% | Reduced |
| First National Advisers, LLC | 1,178 | $301.2K | 0.04% | +8+0.7% | Added |
| Leonteq Securities AG | 1,182 | $302.2K | 0.02% | −447−27.4% | Reduced |
| Quantum Financial Advisors, LLC | 1,185 | $303.0K | 0.03% | +1+0.1% | Added |
| Stephen J. Garry & Associates, LLC | 1,185 | $303.0K | 0.22% | 00.0% | Unchanged |
| Addison Capital Co | 1,186 | $303.2K | 0.05% | +1+0.1% | Added |
| ARS Wealth Advisors Group, LLC | 1,188 | $303.7K | 0.02% | +40+3.5% | Added |
| Grandfield & Dodd, LLC | 1,190 | $304.2K | 0.02% | 00.0% | Unchanged |
| Retirement Planning Group | 1,194 | $305.3K | 0.01% | −290−19.5% | Reduced |
| Promethium Advisors,llc | 1,200 | $306.8K | 0.15% | +1,200 | New |
| Transcend Wealth Collective, LLC | 1,200 | $306.8K | 0.02% | −356−22.9% | Reduced |
| Delta Asset Management LLC | 1,203 | $307.6K | 0.03% | 00.0% | Unchanged |
| Cornerstone Wealth Group, LLC | 1,213 | $310.2K | 0.02% | +64+5.6% | Added |
| JGP Wealth Management, LLC | 1,218 | $311.4K | 0.03% | 00.0% | Unchanged |
| Sather Financial Group Inc | 1,221 | $312.2K | 0.02% | +169+16.1% | Added |
| Nova R Wealth, Inc. | 1,223 | $312.6K | 0.09% | +11+0.9% | Added |
| Renaissance Group LLC | 1,225 | $313.2K | 0.01% | −62−4.8% | Reduced |
| Capital Investment Counsel, Inc | 1,226 | $313.5K | 0.03% | +176+16.8% | Added |
| Centaurus Financial, Inc. | 1,226 | $314.0K | 0.01% | +1+0.1% | Added |
| Defiance ETFs, LLC | 1,190 | $315.2K | 0.00% | +192+19.2% | Added |
| Private Client Services, LLC | 1,234 | $315.6K | 0.08% | −34−2.7% | Reduced |
| Roundview Capital LLC | 1,240 | $317.0K | 0.02% | 00.0% | Unchanged |
| Matters Capital LLC | 1,240 | $317.0K | 0.22% | 00.0% | Unchanged |
| Wealth Architects, LLC | 1,241 | $317.3K | 0.03% | −52−4.0% | Reduced |
| Sagewood Asset Management LP | 1,244 | $318.1K | 0.07% | +198+18.9% | Added |
| Patriot Investment Management Inc. | 1,247 | $318.8K | 0.02% | 00.0% | Unchanged |
| EagleClaw Capital Managment, LLC | 1,250 | $319.6K | 0.04% | −194−13.4% | Reduced |
| Investors Asset Management of Georgia Inc | 1,251 | $319.8K | 0.11% | −24−1.9% | Reduced |
| Accel Wealth Management | 1,251 | $319.9K | 0.07% | −140−10.1% | Reduced |
| Liberty Wealth Management LLC | 1,314 | $320.6K | 0.04% | 00.0% | Unchanged |
| Gratus Wealth Advisors, LLC | 1,267 | $324.0K | 0.04% | +1+0.1% | Added |
| Carson Advisory Inc. | 1,269 | $324.6K | 0.15% | −22−1.7% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 1,272 | $325.2K | 0.03% | +5+0.4% | Added |
| Coastal Investment Advisors, Inc. | 1,280 | $327.3K | 0.10% | +1,280 | New |
| Visionary Wealth Advisors | 1,286 | $328.8K | 0.01% | −219−14.6% | Reduced |
| AlTi Global, Inc. | 1,286 | $328.8K | 0.01% | +68+5.6% | Added |
| Massmutual Trust Co FSB | 1,288 | $329.3K | 0.01% | +40+3.2% | Added |
| Keating Financial Advisory Services, Inc. | 1,294 | $330.8K | 0.04% | +109+9.2% | Added |
| Cypress Wealth Services, LLC | 1,294 | $330.8K | 0.04% | +13+1.0% | Added |
| Oxford Financial Group Ltd | 1,294 | $330.8K | 0.02% | −50−3.7% | Reduced |
| Magnus Financial Group LLC | 1,296 | $331.3K | 0.02% | +167+14.8% | Added |
| Sound View Wealth Advisors Group, LLC | 1,298 | $331.9K | 0.02% | 00.0% | Unchanged |
| NLB Skladi, upravljanje premozenja, d.o.o. | 1,300 | $332.4K | 0.01% | 00.0% | Unchanged |
| Waters Parkerson & Co., LLC | 1,304 | $333.4K | 0.02% | −400−23.5% | Reduced |
| Gladstone Institutional Advisory LLC | 1,305 | $333.7K | 0.01% | −85−6.1% | Reduced |