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
High Note Wealth, LLC	20	$5.11K	0.00%	+6+42.9%	Added
Clark Wealth Partners	19	$4.86K	0.00%	−162−89.5%	Reduced
Atwood & Palmer Inc	19	$4.86K	0.00%	00.0%	Unchanged
Decker Retirement Planning Inc.	19	$4.86K	0.00%	+19	New
WealthCollab, LLC	17	$4.35K	0.00%	00.0%	Unchanged
Beaird Harris Wealth Management, LLC	17	$4.30K	0.00%	00.0%	Unchanged
Roxbury Financial LLC	16	$4.15K	0.00%	00.0%	Unchanged
Principia Wealth Advisory, LLC	16	$4.09K	0.00%	+2+14.3%	Added
JNBA Financial Advisors	15	$3.84K	0.00%	00.0%	Unchanged
Triumph Capital Management	15	$3.83K	0.00%	−1−6.3%	Reduced
American Capital Advisory, LLC	14	$3.58K	0.00%	+3+27.3%	Added
Hollencrest Capital Management	14	$3.58K	0.00%	00.0%	Unchanged
Evelyn Partners Group Ltd	12	$3.07K	0.00%	+12	New
Fulcrum Asset Management LLP	11	$2.85K	0.00%	−17,099−99.9%	Reduced
Quaker Wealth Management, LLC	11	$2.81K	0.00%	+1+10.0%	Added
William B. Walkup & Associates, Inc.	11	$2.81K	0.00%	+11	New
DecisionPoint Financial, LLC	10	$2.65K	0.00%	+5+100.0%	Added
Activest Wealth Management	10	$2.56K	0.00%	−25−71.4%	Reduced
NBT Bank N A	10	$2.56K	0.00%	00.0%	Unchanged
Richard W. Paul & Associates, LLC	10	$2.56K	0.00%	00.0%	Unchanged
Heritage Wealth Advisors	9	$2.30K	0.00%	00.0%	Unchanged
Persistent Asset Partners Ltd	9	$2.30K	0.00%	+9	New
Mowery & Schoenfeld Wealth Management, LLC	8	$2.05K	0.00%	00.0%	Unchanged
Planning Strategies Inc.	8	$2.04K	0.00%	+8	New
Winthrop Capital Management, LLC	7	$2.00K	0.00%	−3−30.0%	Reduced
Navigoe, LLC	9	$2.00K	0.00%	+9	New
Seneschal Advisors, LLC	7	$1.79K	0.00%	00.0%	Unchanged
NVWM, LLC	7	$1.79K	0.00%	+1+16.7%	Added
Cherry Tree Wealth Management, LLC	6	$1.53K	0.00%	00.0%	Unchanged
Toth Financial Advisory Corp	6	$1.53K	0.00%	+6	New
Washington Trust Advisors, Inc.	6	$1.53K	0.00%	00.0%	Unchanged
Marshall Investment Management, LLC	6	$1.53K	0.00%	+6	New
Atlantic Private Wealth, LLC	5	$1.28K	0.00%	00.0%	Unchanged
Spectrum Wealth Advisory Group, LLC	5	$1.28K	0.00%	+5	New
Three Bearings Fiduciary Advisors, Inc.	5	$1.28K	0.00%	00.0%	Unchanged
PayPay Securities Corp	5	$1.28K	0.05%	−42−89.4%	Reduced
Horizon Financial Services, LLC	5	$1.28K	0.00%	00.0%	Unchanged
Raleigh Capital Management Inc.	4	$1.06K	0.00%	−15−78.9%	Reduced
Mascoma Wealth Management LLC	4	$1.02K	0.00%	00.0%	Unchanged
Evolution Advisers, Inc.	5	$1.00K	0.00%	+5	New
Parallax Volatility Advisers, L.P.	3	$767	0.00%	−7,522−100.0%	Reduced
Game Plan Financial Advisors, LLC	3	$767	0.00%	+3	New
Downshift Financial, LLC	3	$767	0.00%	+3	New
PEAK6 LLC	2	$520	0.00%	+2	New
Maryland Capital Advisors Inc.	2	$512	0.00%	+2	New
N.E.W. Advisory Services LLC	2	$511	0.00%	−15−88.2%	Reduced
Rakuten Securities, Inc.	2	$511	0.00%	−3−60.0%	Reduced
Trust Co	2	$511	0.00%	00.0%	Unchanged
Sankala Group LLC	1	$365	0.00%	+1	New
3 Factor Indexing, LLC	1	$256	0.00%	00.0%	Unchanged
Godfrey Financial Associates, Inc.	1	$256	0.00%	00.0%	Unchanged
ROSS\JOHNSON & Associates LLC	1	$256	0.00%	+1	New
Highland Investment Advisors LLC	1	$256	0.00%	+1	New
St. Louis Trust Co	1,181	–	–	00.0%	Unchanged
Ofi Invest Asset Management	0	$0	0.00%	−104,000−100.0%	Sold out
ExodusPoint Capital Management, LP	0	$0	0.00%	−49,764−100.0%	Sold out
Campbell & CO Investment Adviser LLC	0	$0	0.00%	−32,967−100.0%	Sold out
Purpose Unlimited Inc.	0	$0	0.00%	−23,262−100.0%	Sold out
Panview Capital Ltd	0	$0	0.00%	−21,805−100.0%	Sold out
Arrow Capital Pty Ltd	0	$0	0.00%	−20,000−100.0%	Sold out
BOCHK Asset Management Ltd	0	$0	0.00%	−10,800−100.0%	Sold out
Virtu Financial LLC	0	$0	0.00%	−10,755−100.0%	Sold out
Sciencast Management LP	0	$0	0.00%	−9,423−100.0%	Sold out
Encore Global Management, LP	0	$0	0.00%	−8,750−100.0%	Sold out
Brevan Howard Capital Management LP	0	$0	0.00%	−8,387−100.0%	Sold out
Jump Financial, LLC	0	$0	0.00%	−7,958−100.0%	Sold out
Blackstone Group Inc.	0	$0	0.00%	−6,781−100.0%	Sold out
Dark Forest Capital Management LP	0	$0	0.00%	−5,231−100.0%	Sold out
Monetta Financial Services Inc	0	$0	0.00%	−5,200−100.0%	Sold out
Life Cycle Investment Partners Ltd	0	$0	0.00%	−4,994−100.0%	Sold out
Hussman Strategic Advisors, Inc.	0	$0	0.00%	−4,200−100.0%	Sold out
Evoke Wealth, LLC	0	$0	0.00%	−3,937−100.0%	Sold out
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund	0	$0	0.00%	−3,800−100.0%	Sold out
First National Bank of Omaha	0	$0	0.00%	−3,700−100.0%	Sold out
SCP Investment, LP	0	$0	0.00%	−2,888−100.0%	Sold out
Volterra Technologies LP	0	$0	0.00%	−2,759−100.0%	Sold out
Affinity Investment Advisors, LLC	0	$0	0.00%	−2,406−100.0%	Sold out
AlphaGrep UK Ltd	0	$0	0.00%	−2,184−100.0%	Sold out
Apeiron RIA LLC	0	$0	0.00%	−2,172−100.0%	Sold out
BW Gestao de Investimentos Ltda.	0	$0	0.00%	−2,130−100.0%	Sold out
Quantbot Technologies LP	0	$0	0.00%	−2,000−100.0%	Sold out
Titleist Asset Management, LLC	0	$0	0.00%	−1,970−100.0%	Sold out
Stevens Capital Management LP	0	$0	0.00%	−1,926−100.0%	Sold out
Alvarez & Marsal Private Wealth Partners, LLC	0	$0	0.00%	−1,770−100.0%	Sold out
Larry Mathis Financial Planning, LLC	0	$0	0.00%	−1,732−100.0%	Sold out
111 Capital	0	$0	0.00%	−1,684−100.0%	Sold out
Gordian Capital Singapore Pte Ltd	0	$0	0.00%	−1,625−100.0%	Sold out
Tompkins Financial Corp	0	$0	0.00%	−1,624−100.0%	Sold out
Greenland Capital Management LP	0	$0	0.00%	−1,564−100.0%	Sold out
Pathfinder Wealth Consulting, Inc.	0	$0	0.00%	−1,469−100.0%	Sold out
EPG Wealth Management LLC	0	$0	0.00%	−1,414−100.0%	Sold out
Oversea-Chinese Banking CORP Ltd	0	$0	0.00%	−1,356−100.0%	Sold out
LBMC Investment Advisors, LLC	0	$0	0.00%	−1,338−100.0%	Sold out
KMG Fiduciary Partners, LLC	0	$0	0.00%	−1,211−100.0%	Sold out
Southern Michigan Bank & Trust	0	$0	0.00%	−1,200−100.0%	Sold out
Barry Investment Advisors, LLC	0	$0	0.00%	−1,136−100.0%	Sold out
Traynor Capital Management, Inc.	0	$0	0.00%	−1,130−100.0%	Sold out
Diligent Investors, LLC	0	$0	0.00%	−1,078−100.0%	Sold out
Bridgefront Capital, LLC	0	$0	0.00%	−1,069−100.0%	Sold out
Goldenstone Wealth Management LLC	0	$0	0.00%	−1,048−100.0%	Sold out