Skip to main content

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.

Institutional holdersQ1 2026: 1,897 institutions
Q1 2021: 976 institutionsQ2 2021: 1,004 institutionsQ3 2021: 1,008 institutionsQ4 2021: 1,098 institutionsQ1 2022: 1,185 institutionsQ2 2022: 1,234 institutionsQ3 2022: 1,293 institutionsQ4 2022: 1,391 institutionsQ1 2023: 1,442 institutionsQ2 2023: 1,356 institutionsQ3 2023: 1,476 institutionsQ4 2023: 1,554 institutionsQ1 2024: 1,692 institutionsQ2 2024: 1,653 institutionsQ3 2024: 1,583 institutionsQ4 2024: 1,562 institutionsQ1 2025: 1,564 institutionsQ2 2025: 1,572 institutionsQ3 2025: 1,662 institutionsQ4 2025: 1,679 institutionsQ1 2026: 1,897 institutionsQ2 2026: 1,954 institutions
Value heldQ1 2026: $53.9B
Q1 2021: $27.0BQ2 2021: $29.5BQ3 2021: $29.6BQ4 2021: $28.9BQ1 2022: $36.1BQ2 2022: $32.3BQ3 2022: $36.1BQ4 2022: $40.9BQ1 2023: $44.3BQ2 2023: $35.4BQ3 2023: $43.8BQ4 2023: $41.1BQ1 2024: $52.7BQ2 2024: $43.4BQ3 2024: $38.9BQ4 2024: $32.4BQ1 2025: $33.7BQ2 2025: $38.5BQ3 2025: $42.4BQ4 2025: $36.4BQ1 2026: $53.9BQ2 2026: $56.0B
Institutions holding MPC and their total value by quarter
QuarterHoldersValue
Q2 20261,954$56.0B
Q1 20261,897$53.9B
Q4 20251,679$36.4B
Q3 20251,662$42.4B
Q2 20251,572$38.5B
Q1 20251,564$33.7B
Q4 20241,562$32.4B
Q3 20241,583$38.9B
Q2 20241,653$43.4B
Q1 20241,692$52.7B
Q4 20231,554$41.1B
Q3 20231,476$43.8B
Q2 20231,356$35.4B
Q1 20231,442$44.3B
Q4 20221,391$40.9B
Q3 20221,293$36.1B
Q2 20221,234$32.3B
Q1 20221,185$36.1B
Q4 20211,098$28.9B
Q3 20211,008$29.6B
Q2 20211,004$29.5B
Q1 2021976$27.0B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Marathon Petroleum Corp; share changes are against Q4 2025.

Institutions holding MPC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Conning Inc.1,413$345.0K0.01%−295−17.3%Reduced
Hilltop National Bank1,410$344.3K0.08%+344+32.3%Added
Symmetry Partners, LLC1,410$344.2K0.02%+1+0.1%Added
Hudson Valley Investment Advisors Inc1,407$343.6K0.04%00.0%Unchanged
Builder Investment Group Inc1,400$341.9K0.07%00.0%Unchanged
Vann Equity Management LLC1,400$341.8K0.24%+1,400New
Nwam LLC1,398$341.4K0.02%−43−3.0%Reduced
Fourth Dimension Wealth, LLC1,397$341.1K0.13%−39−2.7%Reduced
Fiduciary Group LLC1,396$340.9K0.03%00.0%Unchanged
Accel Wealth Management1,391$339.6K0.09%+3+0.2%Added
Gladstone Institutional Advisory LLC1,390$339.4K0.01%+138+11.0%Added
Mairs & Power Inc1,390$339.4K0.00%+89+6.8%Added
Sovereign Financial Group, Inc.1,389$339.2K0.06%+22+1.6%Added
Sky-Mountain Capital Management, Inc.1,384$337.9K0.24%00.0%Unchanged
Daner Wealth Management, LLC1,336$336.5K0.20%+7+0.5%Added
Five Oceans Advisors1,378$336.5K0.12%−6−0.4%Reduced
OneAscent Investment Solutions LLC1,375$335.7K0.34%−4−0.3%Reduced
Nitor Capital Management LLC1,370$334.5K0.26%00.0%Unchanged
MONECO Advisors, LLC1,369$334.4K0.03%−48−3.4%Reduced
Financial Engines Advisors L.L.C.1,367$333.8K0.00%+67+5.2%Added
Lansing Street Advisors1,365$333.3K0.08%+1,365New
Howe & Rusling Inc1,362$332.7K0.02%−25−1.8%Reduced
Nations Financial Group Inc,1,359$331.9K0.02%−407−23.0%Reduced
Oversea-Chinese Banking CORP Ltd1,356$331.1K0.01%+1,356New
WealthPlan Investment Management, LLC1,347$328.8K0.02%+31+2.4%Added
Oxford Financial Group Ltd1,344$328.2K0.02%+31+2.4%Added
Orographic Financial Advisors, LLC1,346$328.0K0.23%+1,346New
Prasad Wealth Partners, LLC1,343$328.0K0.09%+4+0.3%Added
Channel Wealth LLC1,341$327.4K0.08%−44−3.2%Reduced
LBMC Investment Advisors, LLC1,338$326.8K0.02%−71−5.0%Reduced
Bridgewater Advisors Inc.1,666$325.3K0.02%+1,666New
AtlasMark Financial, Inc2,000$325.3K0.21%00.0%Unchanged
Simplicity Wealth,LLC1,328$324.3K0.02%+1,328New
Encompass Wealth Advisors, LLC1,326$323.7K0.11%+60+4.7%Added
Tableaux LLC1,324$323.3K0.16%00.0%Unchanged
Good Steward Wealth Advisors,LLC1,322$322.8K0.21%+69+5.5%Added
Abel Hall, LLC1,321$322.7K0.07%+1,321New
Barr E S & Co1,319$322.1K0.02%00.0%Unchanged
Liberty Wealth Management LLC1,314$320.6K0.04%+1+0.1%Added
Alaethes Wealth LLC1,310$319.9K0.09%00.0%Unchanged
Northeast Financial Group, Inc.1,308$319.4K0.08%00.0%Unchanged
Prostatis Group LLC1,308$319.4K0.08%−63−4.6%Reduced
Financiere des Professionnels - Fonds d,investissement inc.1,308$319.4K0.02%+1,308New
Moss Adams Wealth Advisors LLC1,305$318.8K0.02%+1,305New
NLB Skladi, upravljanje premozenja, d.o.o.1,300$317.4K0.02%+1,300New
Sound View Wealth Advisors Group, LLC1,298$316.9K0.02%−3−0.2%Reduced
Wealth Architects, LLC1,293$315.7K0.03%−17−1.3%Reduced
Advisor OS, LLC1,292$315.7K0.02%−1,840−58.7%Reduced
Carson Advisory Inc.1,291$315.3K0.16%−168−11.5%Reduced
Renaissance Group LLC1,287$314.3K0.01%−373−22.5%Reduced
Cypress Wealth Services, LLC1,281$312.8K0.04%−312−19.6%Reduced
Delos Wealth Advisors, LLC1,279$312.3K0.18%+1,130+758.4%Added
Investors Asset Management of Georgia Inc1,275$311.4K0.13%−50−3.8%Reduced
Private Client Services, LLC1,268$309.7K0.09%−50−3.8%Reduced
Pinnacle Wealth Planning Services, Inc.1,267$309.4K0.03%−123−8.8%Reduced
Gratus Wealth Advisors, LLC1,266$309.1K0.04%+2+0.2%Added
GDS Wealth Management1,265$308.9K0.02%+32+2.6%Added
Onyx Bridge Wealth Group LLC1,261$307.8K0.03%+8+0.6%Added
Exencial Wealth Advisors, LLC1,255$306.5K0.01%−34−2.6%Reduced
Massmutual Trust Co FSB1,248$304.7K0.01%−117−8.6%Reduced
Patriot Investment Management Inc.1,247$304.5K0.02%00.0%Unchanged
Arbor Trust Wealth Advisors, LLC1,244$303.8K0.13%00.0%Unchanged
Roundview Capital LLC1,240$302.8K0.02%+1,240New
Matters Capital LLC1,240$302.8K0.27%00.0%Unchanged
Triton Wealth Management, PLLC1,288$301.8K0.11%00.0%Unchanged
Haverford Trust Co1,226$299.4K0.00%+1,226New
Centaurus Financial, Inc.1,225$299.0K0.01%+201+19.6%Added
JGP Wealth Management, LLC1,218$297.4K0.03%+1,218New
AlTi Global, Inc.1,218$297.4K0.01%+1,218New
Nova R Wealth, Inc.1,212$296.0K0.09%+1,212New
KMG Fiduciary Partners, LLC1,211$295.7K0.02%+1,211New
Legacy Capital Wealth Partners, LLC1,210$295.5K0.06%+1,210New
Apella Capital, LLC1,382$295.3K0.00%+1,382New
BlackDiamond Wealth Management Inc.1,207$294.8K0.14%−30−2.4%Reduced
Delta Asset Management LLC1,203$293.7K0.03%00.0%Unchanged
Southern Michigan Bank & Trust1,200$293.0K0.11%+1,200New
Ponta Wealth Partners, LLC1,198$292.5K0.24%+1,198New
Grandfield & Dodd, LLC1,190$290.6K0.02%+1,190New
Regatta Capital Group, LLC1,187$289.9K0.04%+1,187New
Guilbault Capital LLC1,186$289.6K0.32%+1,186New
Addison Capital Co1,185$289.5K0.05%+1,185New
Stephen J. Garry & Associates, LLC1,185$289.4K0.23%+1,185New
Keating Financial Advisory Services, Inc.1,185$289.3K0.05%+44+3.9%Added
Quantum Financial Advisors, LLC1,184$289.1K0.03%−1,699−58.9%Reduced
St. Louis Trust Co1,181$288.4K0.03%+1,181New
Second Line Capital, LLC1,153$286.3K0.05%+1,153New
Albion Financial Group1,172$286.2K0.02%00.0%Unchanged
Patton Fund Management, Inc.1,171$285.9K0.05%+1,171New
OneAscent Family Office, LLC1,170$285.7K0.20%−71−5.7%Reduced
First National Advisers, LLC1,170$285.7K0.04%+1,170New
Bryant Woods Investment Advisors, LLC1,170$285.5K0.11%+1,170New
SkyOak Wealth, LLC1,169$285.4K0.05%−279−19.3%Reduced
Balentine LLC1,167$285.0K0.01%+1,167New
Woodward Diversified Capital, LLC1,330$284.3K0.13%−157−10.6%Reduced
TBH Global Asset Management, LLC1,162$283.8K0.06%+1,162New
First Commonwealth Financial Corp1,159$283.0K0.05%−244−17.4%Reduced
Phillips Wealth Planners LLC1,120$282.8K0.21%−559−33.3%Reduced
Weatherly Asset Management L. P.1,157$282.6K0.02%+1,157New
TrueWealth Advisors, LLC1,157$282.6K0.07%−122−9.5%Reduced
Alta Advisers Ltd1,157$282.5K0.10%+1,157New