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, 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.

Institutional holdersQ2 2026: 1,954 institutions

Value heldQ2 2026: $56.0B

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, Q2 2026

Shares, value and share of portfolio for each institution holding Marathon Petroleum Corp; share changes are against Q1 2026.

Institutions holding MPC in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Helen Stephens Group, LLC	0	$0	0.00%	−1,010−100.0%	Sold out
Fairway Wealth LLC	0	$0	0.00%	−1,000−100.0%	Sold out
Phoenix Holdings Ltd.	0	$0	0.00%	−993−100.0%	Sold out
Plan A Wealth LLC	0	$0	0.00%	−992−100.0%	Sold out
Childress Capital Advisors, LLC	0	$0	0.00%	−991−100.0%	Sold out
King Luther Capital Management Corp	0	$0	0.00%	−979−100.0%	Sold out
Tuttle Tactical Management	0	$0	0.00%	−960−100.0%	Sold out
True North Advisors, LLC	0	$0	0.00%	−942−100.0%	Sold out
Massachusetts Financial Services Co	0	$0	0.00%	−939−100.0%	Sold out
Sprott Inc.	0	$0	0.00%	−922−100.0%	Sold out
United Asset Strategies, Inc.	0	$0	0.00%	−907−100.0%	Sold out
Venturi Wealth Management, LLC	0	$0	0.00%	−906−100.0%	Sold out
Quantessence Capital LLC	0	$0	0.00%	−899−100.0%	Sold out
Capital Performance Advisors LLP	0	$0	0.00%	−898−100.0%	Sold out
B.O.S.S. Retirement Advisors, LLC	0	$0	0.00%	−892−100.0%	Sold out
Scientech Research LLC	0	$0	0.00%	−875−100.0%	Sold out
Elevated Financial Group LLC	0	$0	0.00%	−862−100.0%	Sold out
Oder Investment Management, LLC	0	$0	0.00%	−853−100.0%	Sold out
Capital Investment Advisory Services, LLC	0	$0	0.00%	−851−100.0%	Sold out
Aspen Grove Capital, LLC	0	$0	0.00%	−851−100.0%	Sold out
Twinbeech Capital LP	0	$0	0.00%	−825−100.0%	Sold out
McGuire Capital Advisors Inc	0	$0	0.00%	−755−100.0%	Sold out
Resources Management Corp	0	$0	0.00%	−650−100.0%	Sold out
Intentional Wealth Strategies, LLC	0	$0	0.00%	−600−100.0%	Sold out
Innovative Asset Advisors Group, LLC	0	$0	0.00%	−517−100.0%	Sold out
Sachetta, LLC	0	$0	0.00%	−516−100.0%	Sold out
Wellington Grp LLC	0	$0	0.00%	−516−100.0%	Sold out
Tiaa Trust, National Association	0	$0	0.00%	−467−100.0%	Sold out
Bank of Jackson Hole Trust	0	$0	0.00%	−455−100.0%	Sold out
Addison Advisors LLC	0	$0	0.00%	−440−100.0%	Sold out
Legend Capital Advisors LLC	0	$0	0.00%	−413−100.0%	Sold out
Twin Peaks Wealth Advisors, LLC	0	$0	0.00%	−407−100.0%	Sold out
RWM Asset Management, LLC	0	$0	0.00%	−310−100.0%	Sold out
True Link Financial Advisors, LLC	0	$0	0.00%	−300−100.0%	Sold out
Opal Wealth Advisors, LLC	0	$0	0.00%	−278−100.0%	Sold out
Wall Street Financial Group, Inc.	0	$0	0.00%	−240−100.0%	Sold out
Timothy G. Youngquist 2020 Irrevocable Trust	0	$0	0.00%	−106−100.0%	Sold out
MBM Wealth Consultants, LLC	0	$0	0.00%	−100−100.0%	Sold out
WFA of San Diego, LLC	0	$0	0.00%	−100−100.0%	Sold out
Elequin Capital LP	0	$0	0.00%	−88−100.0%	Sold out
Whipplewood Advisors, LLC	0	$0	0.00%	−88−100.0%	Sold out
Protective Life Corp	0	$0	0.00%	−77−100.0%	Sold out
Clayton Financial Group LLC	0	$0	0.00%	−20−100.0%	Sold out
Pacific Center for Financial Services	0	$0	0.00%	−6−100.0%	Sold out
Curio Wealth, LLC	0	$0	0.00%	−5−100.0%	Sold out
TopTier Wealth Management, LLC	0	$0	0.00%	−4−100.0%	Sold out
Portus Wealth Advisors, LLC	0	$0	0.00%	−3−100.0%	Sold out
Janus Henderson Group PLC	–	–	–	–	Not filed
U.S. Capital Wealth Advisors, LLC	–	–	–	–	Not filed
CWM, LLC	–	–	–	–	Not filed
Skopos Labs, Inc.	–	–	–	–	Not filed
Journey Strategic Wealth LLC	–	–	–	–	Not filed
Sunbelt Securities, Inc.	–	–	–	–	Not filed
Gibbs Wealth Management	–	–	–	–	Not filed
Farmers Trust Co	–	–	–	–	Not filed
Jackson Hole Capital Partners, LLC	–	–	–	–	Not filed
Catalina Capital Group, LLC	–	–	–	–	Not filed
DGS Capital Management, LLC	–	–	–	–	Not filed
Northeast Financial Group, Inc.	–	–	–	–	Not filed
Exencial Wealth Advisors, LLC	–	–	–	–	Not filed
Mill Creek Capital Advisors, LLC	–	–	–	–	Not filed
Capital Developers, LLC	–	–	–	–	Not filed
Claris Financial LLC	–	–	–	–	Not filed
Charter Oak Capital Management, LLC	–	–	–	–	Not filed
TruWealth Advisors, LLC	–	–	–	–	Not filed
McIlrath & Eck, LLC	–	–	–	–	Not filed
Arcadia Investment Management Corp	–	–	–	–	Not filed
Red Tortoise LLC	–	–	–	–	Not filed
Sofos Investments, Inc.	–	–	–	–	Not filed
Anfield Capital Management, LLC	–	–	–	–	Not filed
Evelyn Partners Asset Management Ltd	–	–	–	–	Not filed
USA Financial Portformulas Corp	–	–	–	–	Not filed