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 |
|---|---|---|---|---|---|
| Smartleaf Asset Management LLC | 8,643 | $2.12M | 0.08% | +498+6.1% | Added |
| Westwood Holdings Group Inc. | 8,672 | $2.12M | 0.02% | +2,894+50.1% | Added |
| Ascent Group, LLC | 8,616 | $2.10M | 0.07% | −15−0.2% | Reduced |
| Gryphon Financial Partners LLC | 8,502 | $2.08M | 0.22% | +1,110+15.0% | Added |
| Verdence Capital Advisors LLC | 8,502 | $2.08M | 0.12% | −933−9.9% | Reduced |
| Axxcess Wealth Management, LLC | 8,496 | $2.07M | 0.07% | +6+0.1% | Added |
| Koshinski Asset Management, Inc. | 8,471 | $2.07M | 0.13% | +355+4.4% | Added |
| Groupama Asset Managment | 8,435 | $2.06M | 0.03% | −2,783−24.8% | Reduced |
| Dana Investment Advisors, Inc. | 8,391 | $2.05M | 0.06% | +290+3.6% | Added |
| Brevan Howard Capital Management LP | 8,387 | $2.05M | 0.02% | −9,254−52.5% | Reduced |
| Holistic Planning, LLC | 8,374 | $2.04M | 0.41% | −10.0% | Reduced |
| Evolve Private Wealth, LLC | 8,279 | $2.02M | 0.11% | +517+6.7% | Added |
| Sigma Planning Corp | 8,273 | $2.02M | 0.06% | −227−2.7% | Reduced |
| Hartford Financial Management Inc. | 8,239 | $2.01M | 0.51% | −532−6.1% | Reduced |
| PFG Advisors | 8,198 | $2.00M | 0.10% | +649+8.6% | Added |
| Parallel Advisors, LLC | 8,180 | $2.00M | 0.04% | −266−3.1% | Reduced |
| United Advisor Group, LLC | 8,180 | $2.00M | 0.25% | −189−2.3% | Reduced |
| MUFG Securities Americas Inc. | 8,163 | $1.99M | 0.13% | +65+0.8% | Added |
| Leisure Capital Management | 8,134 | $1.99M | 0.70% | 00.0% | Unchanged |
| Advisory Alpha, LLC | 8,129 | $1.99M | 0.05% | +159+2.0% | Added |
| GW Henssler & Associates Ltd | 8,094 | $1.98M | 0.09% | −3,339−29.2% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 8,087 | $1.97M | 0.13% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 8,081 | $1.97M | 0.02% | −3,177−28.2% | Reduced |
| Parsons Capital Management Inc | 8,076 | $1.97M | 0.09% | +340+4.4% | Added |
| Peak Planning Group, LLC | 8,042 | $1.96M | 0.54% | +12+0.1% | Added |
| Securian Asset Management, Inc | 8,003 | $1.95M | 0.08% | −170−2.1% | Reduced |
| Jump Financial, LLC | 7,958 | $1.94M | 0.03% | −7,862−49.7% | Reduced |
| First Interstate Bank | 7,949 | $1.94M | 0.11% | −2,826−26.2% | Reduced |
| Argent Trust Co | 7,929 | $1.94M | 0.07% | +924+13.2% | Added |
| Allegheny Financial Group LTD | 7,914 | $1.93M | 0.26% | −45−0.6% | Reduced |
| Snowden Capital Advisors LLC | 7,900 | $1.93M | 0.05% | +141+1.8% | Added |
| Checchi Capital Advisers, LLC | 7,889 | $1.93M | 0.13% | +219+2.9% | Added |
| Wetzel Investment Advisors, Inc. | 7,846 | $1.92M | 0.76% | −203−2.5% | Reduced |
| Atlanta Consulting Group Advisors, LLC | 7,772 | $1.90M | 0.41% | −133−1.7% | Reduced |
| Portside Wealth Group, LLC | 7,739 | $1.89M | 0.26% | +1,110+16.7% | Added |
| Carret Asset Management, LLC | 7,724 | $1.89M | 0.18% | −900−10.4% | Reduced |
| Nicolet Bankshares Inc | 7,849 | $1.88M | 0.07% | +7,849 | New |
| KCM Investment Advisors LLC | 7,664 | $1.87M | 0.06% | +25+0.3% | Added |
| Mesirow Financial Investment Management, Inc. | 7,659 | $1.87M | 0.03% | −2,190−22.2% | Reduced |
| Brown Brothers Harriman & Co | 7,650 | $1.87M | 0.01% | +2,418+46.2% | Added |
| Scotia Capital Inc. | 7,645 | $1.87M | 0.01% | +1,983+35.0% | Added |
| Brookstone Capital Management | 7,617 | $1.86M | 0.02% | −250−3.2% | Reduced |
| Vestcor Inc | 7,564 | $1.85M | 0.05% | 00.0% | Unchanged |
| WealthShield Partners, LLC | 7,545 | $1.84M | 0.21% | −200−2.6% | Reduced |
| Liberty Square Wealth Partners LLC | 7,533 | $1.84M | 0.51% | +30.0% | Added |
| Resources Investment Advisors, LLC. | 7,526 | $1.84M | 0.02% | −1,217−13.9% | Reduced |
| TD Private Client Wealth LLC | 7,482 | $1.83M | 0.04% | +1,795+31.6% | Added |
| USS Investment Management Ltd | 7,466 | $1.82M | 0.01% | 00.0% | Unchanged |
| Weaver C. Barksdale & Associates, Inc. | 7,435 | $1.82M | 1.73% | +407+5.8% | Added |
| Heritage Wealth Management, Inc. | 7,404 | $1.81M | 0.90% | −976−11.6% | Reduced |
| Danske Bank A/S | 7,389 | $1.80M | 0.00% | +1,200+19.4% | Added |
| Oak Harbor Wealth Partners, LLC | 7,381 | $1.80M | 0.42% | −130−1.7% | Reduced |
| Beese Fulmer Investment Management, Inc. | 7,376 | $1.80M | 0.12% | +859+13.2% | Added |
| Wedbush Securities Inc | 7,336 | $1.79M | 0.05% | −314−4.1% | Reduced |
| HGK Asset Management Inc | 7,253 | $1.77M | 0.26% | −24,111−76.9% | Reduced |
| DRW Securities, LLC | 7,251 | $1.77M | 0.10% | +5,951+457.8% | Added |
| SageView Advisory Group, LLC | 7,245 | $1.77M | 0.06% | −181−2.4% | Reduced |
| Sowell Financial Services LLC | 7,212 | $1.76M | 0.07% | −420−5.5% | Reduced |
| Allianz SE | 7,195 | $1.76M | 0.02% | +7,195 | New |
| STRS Ohio | 7,192 | $1.76M | 0.01% | −93−1.3% | Reduced |
| Whittier Trust Co | 7,215 | $1.74M | 0.02% | −675−8.6% | Reduced |
| Shufro Rose & Co LLC | 7,118 | $1.74M | 0.12% | −100−1.4% | Reduced |
| Capital Investment Advisors, LLC | 7,107 | $1.74M | 0.03% | −33−0.5% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 7,081 | $1.73M | 0.05% | −311−4.2% | Reduced |
| Valeo Financial Advisors, LLC | 7,043 | $1.72M | 0.04% | −1,633−18.8% | Reduced |
| Cary Street Partners Financial LLC | 7,026 | $1.72M | 0.04% | −16−0.2% | Reduced |
| Prospera Financial Services Inc | 7,000 | $1.71M | 0.03% | −801−10.3% | Reduced |
| Ostrum Asset Management | 7,001 | $1.71M | 0.10% | +1,404+25.1% | Added |
| Gamco Investors, Inc. Et Al | 6,974 | $1.70M | 0.02% | +838+13.7% | Added |
| Moneta Group Investment Advisors LLC | 6,965 | $1.70M | 0.01% | +698+11.1% | Added |
| Country Trust Bank | 6,928 | $1.69M | 0.03% | −7,066−50.5% | Reduced |
| RFG Advisory, LLC | 6,871 | $1.68M | 0.03% | −5−0.1% | Reduced |
| Mather Group, LLC. | 6,860 | $1.68M | 0.02% | +87+1.3% | Added |
| Keynote Financial Services LLC | 6,851 | $1.67M | 0.89% | −124−1.8% | Reduced |
| Parkside Financial Bank & Trust | 6,814 | $1.66M | 0.13% | +1,496+28.1% | Added |
| Parallax Volatility Advisers, L.P. | 7,525 | $1.66M | 0.07% | −4,272−36.2% | Reduced |
| Blackstone Group Inc. | 6,781 | $1.66M | 0.01% | +6,781 | New |
| Brown Advisory Inc | 6,759 | $1.65M | 0.00% | +991+17.2% | Added |
| Saxon Interests, Inc. | 6,755 | $1.65M | 0.57% | −1,195−15.0% | Reduced |
| Two Sigma Securities, LLC | 6,745 | $1.65M | 0.19% | +3,557+111.6% | Added |
| Neville Rodie & Shaw Inc | 6,714 | $1.64M | 0.12% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 6,709 | $1.64M | 0.30% | +6,709 | New |
| Pinnacle Wealth Management Advisory Group, LLC | 6,702 | $1.64M | 0.11% | +538+8.7% | Added |
| Oakworth Capital, Inc. | 6,626 | $1.62M | 0.09% | 00.0% | Unchanged |
| Interchange Capital Partners, LLC | 11,027 | $1.62M | 0.52% | −822−6.9% | Reduced |
| Procyon Private Wealth Partners, LLC | 6,614 | $1.61M | 0.08% | −804−10.8% | Reduced |
| Hurley Capital, LLC | 6,613 | $1.61M | 0.87% | −176−2.6% | Reduced |
| BKM Wealth Management, LLC | 6,556 | $1.60M | 0.58% | −147−2.2% | Reduced |
| Rodgers Brothers Inc. | 6,556 | $1.60M | 0.18% | +6+0.1% | Added |
| Canopy Partners, LLC | 6,397 | $1.56M | 0.54% | −154−2.4% | Reduced |
| Miracle Mile Advisors, LLC | 6,395 | $1.56M | 0.02% | −19−0.3% | Reduced |
| Great Lakes Advisors, LLC | 6,391 | $1.56M | 0.01% | −2,879−31.1% | Reduced |
| MBA Advisors LLC | 6,371 | $1.56M | 0.60% | 00.0% | Unchanged |
| Arkfeld Wealth Strategies, L.L.C. | 6,969 | $1.55M | 0.49% | +57+0.8% | Added |
| Trust Co of Toledo NA | 6,358 | $1.55M | 0.15% | +927+17.1% | Added |
| Bahl & Gaynor Inc | 6,355 | $1.55M | 0.01% | +485+8.3% | Added |
| Moors & Cabot, Inc. | 6,325 | $1.54M | 0.07% | −1,315−17.2% | Reduced |
| Systematic Alpha Investments, LLC | 6,315 | $1.54M | 0.05% | 00.0% | Unchanged |
| Buckley Wealth Management, LLC | 6,300 | $1.54M | 0.39% | 00.0% | Unchanged |
| RiverGlades Family Offices LLC | 6,300 | $1.54M | 0.90% | +6,300 | New |