Marathon Petroleum Corp

MPC

Exchange: NYSE
Industry: Petroleum Refining
SEC CIK: 0001510295

SEC filings (opens in a new tab)

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

Value heldQ1 2026: $53.9B

Institutions holding MPC and their total value by quarter
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.

Institutions holding MPC in Q1 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Motco	840	$205.1K	0.02%	−240−22.2%	Reduced
LexAurum Advisors, LLC	841	$205.4K	0.03%	+841	New
Mayflower Financial Advisors, LLC	847	$206.8K	0.03%	+847	New
Traveka Wealth, LLC	851	$207.8K	0.08%	+851	New
Aspen Grove Capital, LLC	851	$207.9K	0.04%	+851	New
Capital Investment Advisory Services, LLC	851	$207.9K	0.02%	+851	New
Sandy Cove Advisors, LLC	852	$208.0K	0.06%	+852	New
Medallion Wealth Advisors, LLC	852	$208.0K	0.07%	00.0%	Unchanged
Oder Investment Management, LLC	853	$208.3K	0.16%	−465−35.3%	Reduced
Matrix Asset Advisors Inc	854	$208.5K	0.02%	+854	New
Mirabella Financial Services LLP	855	$208.8K	0.02%	+855	New
First Business Financial Services, Inc.	857	$209.3K	0.02%	+857	New
Elevated Financial Group LLC	862	$210.5K	0.07%	+862	New
Kercheville Advisors, LLC	867	$211.7K	0.07%	+867	New
Foster Group, Inc.	869	$212.2K	0.01%	−1,077−55.3%	Reduced
Hudson Capital Management LLC	871	$212.7K	0.05%	+871	New
Rather & Kittrell, Inc.	872	$213.0K	0.03%	+872	New
PFS Partners, LLC	875	$213.7K	0.10%	00.0%	Unchanged
Alpha Family Trust	875	$213.7K	0.10%	+875	New
Cooper Financial Group	875	$213.7K	0.02%	+875	New
Scientech Research LLC	875	$213.7K	0.18%	+875	New
Global Wealth Management Investment Advisory, Inc.	884	$215.9K	0.03%	+884	New
Adirondack Trust Co	885	$216.1K	0.07%	−120−11.9%	Reduced
Elevatus Welath Management	888	$216.9K	0.11%	+888	New
MBL Wealth, LLC	889	$217.1K	0.02%	+889	New
Pioneer Trust Bank N A	890	$217.3K	0.05%	+890	New
Garrett Wealth Advisory Group, LLC	890	$217.3K	0.04%	+890	New
B.O.S.S. Retirement Advisors, LLC	892	$217.9K	0.07%	−673−43.0%	Reduced
Focus Financial Network, Inc.	895	$218.5K	0.01%	−407−31.3%	Reduced
Verus Financial Partners, Inc.	968	$219.0K	0.02%	+968	New
Central Valley Advisors, LLC	897	$219.0K	0.06%	+897	New
Peterson Wealth Advisors, LLC	897	$219.0K	0.03%	+897	New
Claro Advisors LLC	898	$219.4K	0.03%	+898	New
Capital Performance Advisors LLP	898	$219.4K	0.01%	+898	New
Quantessence Capital LLC	899	$219.5K	1.07%	+899	New
Raab & Moskowitz Asset Management LLC	900	$219.8K	0.05%	+900	New
Regent Peak Wealth Advisors LLC	900	$219.8K	0.04%	+900	New
Unifi Asset Management LP	900	$219.8K	0.13%	+900	New
Altfest L J & Co Inc	902	$220.3K	0.02%	+902	New
Principle Wealth Partners LLC	902	$220.3K	0.01%	+902	New
Income Insurance Ltd	902	$220.3K	0.15%	+902	New
GTS Securities LLC	903	$220.5K	0.01%	−2,657−74.6%	Reduced
Inscription Capital, LLC	904	$220.7K	0.02%	+904	New
Sequent Planning LLC	904	$220.8K	0.05%	+904	New
HighPoint Advisor Group LLC	905	$221.0K	0.01%	−16,248−94.7%	Reduced
Venturi Wealth Management, LLC	906	$221.2K	0.01%	−669−42.5%	Reduced
United Asset Strategies, Inc.	907	$221.5K	0.02%	+907	New
Advisors Management Group Inc	910	$222.0K	0.04%	+910	New
Tortoise Investment Management, LLC	910	$222.1K	0.02%	+910	New
Sym Financial Corp	912	$222.7K	0.02%	+912	New
McLean Asset Management Corp	913	$222.9K	0.04%	+913	New
Riversedge Advisors, LLC	913	$222.9K	0.04%	+913	New
Curated Wealth Partners LLC	916	$223.7K	0.03%	+916	New
Financial Security Advisor, Inc.	917	$223.9K	0.04%	+917	New
Clarus Group, Inc.	917	$223.9K	0.08%	+917	New
New Covenant Trust Company, N.A.	917	$223.9K	0.20%	+917	New
LRI Investments, LLC	917	$223.9K	0.02%	−160−14.9%	Reduced
TruWealth Advisors, LLC	917	$224.0K	0.01%	+917	New
Camden Capital, LLC	920	$224.6K	0.01%	+920	New
Sprott Inc.	922	$225.1K	0.01%	+922	New
VisionPoint Advisory Group, LLC	924	$225.6K	0.04%	+924	New
Old Second National Bank of Aurora	927	$226.4K	0.05%	00.0%	Unchanged
Dorsey Wright & Associates	928	$226.6K	0.03%	+928	New
WSFS Capital Management, LLC	930	$227.1K	0.01%	+930	New
Vista Capital Partners, Inc.	931	$227.3K	0.02%	+931	New
TD Capital Management LLC	933	$227.8K	0.02%	00.0%	Unchanged
Karras Company, Inc.	935	$228.3K	0.23%	+935	New
Beacon Financial Group	937	$228.8K	0.02%	+937	New
CWM Advisors, LLC	939	$229.2K	0.01%	−25−2.6%	Reduced
Massachusetts Financial Services Co	939	$229.3K	0.00%	+939	New
Kimelman & Baird, LLC	942	$230.0K	0.02%	00.0%	Unchanged
Tyche Wealth Partners LLC	942	$230.0K	0.04%	+942	New
True North Advisors, LLC	942	$230.0K	0.03%	−1,975−67.7%	Reduced
Symphony Financial Services, Inc.	942	$230.1K	0.12%	+942	New
Aurdan Capital Management, LLC	943	$230.3K	0.07%	+943	New
North Forty Two & Co.	947	$231.2K	0.21%	+947	New
SMART Wealth LLC	948	$231.4K	0.07%	+948	New
Cahill Financial Advisors Inc	948	$231.6K	0.03%	+948	New
Rock Point Advisors, LLC	950	$232.0K	0.06%	+950	New
Sargent Investment Group, LLC	950	$232.0K	0.03%	+950	New
Wallace Advisory Group, LLC	950	$232.0K	0.25%	+950	New
Pacific Sage Partners, LLC	953	$232.7K	0.04%	+953	New
Financial Partners Group, Inc	954	$233.1K	0.03%	+954	New
National Asset Management, Inc.	953	$233.6K	0.02%	+953	New
Tuttle Tactical Management	960	$234.4K	0.39%	+960	New
Triad Wealth Partners, LLC	962	$235.0K	0.02%	+962	New
StoneX Group Inc.	966	$235.8K	0.01%	−951−49.6%	Reduced
Keudell/Morrison Wealth Management	966	$235.9K	0.05%	+966	New
Bedel Financial Consulting, Inc.	967	$236.1K	0.03%	+967	New
Santori & Peters	970	$236.9K	0.07%	+970	New
Private Wealth Asset Management, LLC	972	$237.3K	0.03%	−90−8.5%	Reduced
Symphony Financial, Ltd. Co.	949	$237.6K	0.03%	+949	New
Klingman & Associates, LLC	974	$237.8K	0.01%	+974	New
Root Financial Partners, LLC	976	$238.3K	0.01%	+71+7.8%	Added
Zacks Investment Management	977	$238.6K	0.00%	+977	New
Acorn Wealth Advisors, LLC	978	$238.7K	0.07%	+978	New
King Luther Capital Management Corp	979	$239.1K	0.00%	−565−36.6%	Reduced
Lester Murray Antman dba SimplyRich	984	$240.0K	0.06%	+984	New
Wealth Dimensions Group, Ltd.	989	$241.6K	0.05%	+989	New
Childress Capital Advisors, LLC	991	$242.0K	0.04%	+991	New