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: 1,953; +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; 717 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
Godsey & Gibb Associates	162	$41.4K	0.00%	00.0%	Unchanged
Walleye Capital LLC	158	$40.4K	0.00%	−3,463−95.6%	Reduced
Fortis Group Advisors, LLC	157	$40.1K	0.01%	00.0%	Unchanged
Aspect Partners, LLC	150	$38.4K	0.01%	00.0%	Unchanged
Pinney & Scofield, Inc.	150	$38.4K	0.02%	00.0%	Unchanged
Alpine Bank Wealth Management	150	$38.4K	0.00%	+150	New
Evermay Wealth Management LLC	146	$37.3K	0.00%	+146	New
Frazier Financial Advisors, LLC	141	$36.0K	0.02%	+49+53.3%	Added
Basepoint Wealth LLC	141	$36.0K	0.02%	00.0%	Unchanged
Strategic Wealth Advisors LLC	223	$36.0K	0.03%	00.0%	Unchanged
Pension & Wealth Management Advisors, Inc.	138	$35.5K	0.01%	00.0%	Unchanged
Cetera Trust Company, N.A	137	$35.0K	0.02%	00.0%	Unchanged
Oakmont Advisory Group, LLC	130	$33.3K	0.03%	+130	New
Beacon Financial Strategies CORP	130	$33.2K	0.02%	00.0%	Unchanged
Indiana Trust & Investment Management CO	130	$33.2K	0.01%	00.0%	Unchanged
Tradewinds Capital Management, LLC	125	$32.0K	0.01%	−39−23.8%	Reduced
Canton Hathaway, LLC	125	$32.0K	0.01%	00.0%	Unchanged
Kemnay Advisory Services Inc.	123	$31.4K	0.00%	+13+11.8%	Added
Coston, McIsaac & Partners	124	$31.0K	0.01%	00.0%	Unchanged
Strive Financial Group ,LLC	121	$30.9K	0.01%	00.0%	Unchanged
Accordant Advisory Group Inc	120	$30.7K	0.02%	00.0%	Unchanged
New England Capital Financial Advisors LLC	118	$30.2K	0.01%	00.0%	Unchanged
AXS Investments LLC	114	$29.1K	0.01%	−9−7.3%	Reduced
Aster Capital Management (DIFC) Ltd	111	$28.4K	0.01%	−130−53.9%	Reduced
Main Street Group, LTD	109	$27.9K	0.01%	−36−24.8%	Reduced
Bell Investment Advisors, Inc	106	$27.1K	0.00%	+3+2.9%	Added
Cornerstone Planning Group LLC	85	$26.9K	0.00%	+3+3.7%	Added
Halbert Hargrove Global Advisors, LLC	101	$25.8K	0.00%	+5+5.2%	Added
Solstein Capital, LLC	100	$25.6K	0.01%	00.0%	Unchanged
Caitlin John, LLC	100	$25.6K	0.01%	+100	New
Jackson, Grant Investment Advisers, Inc.	97	$24.8K	0.01%	00.0%	Unchanged
Bayban	97	$24.8K	0.02%	00.0%	Unchanged
Rossby Financial, LCC	96	$24.5K	0.00%	−80−45.5%	Reduced
Highline Wealth Partners LLC	95	$24.3K	0.00%	+20+26.7%	Added
LifeSteps Financial, Inc.	95	$24.3K	0.01%	+95	New
Mosley Wealth Management	94	$24.1K	0.01%	+7+8.0%	Added
MidFirst Bank	94	$24.0K	0.00%	−105−52.8%	Reduced
Arlington Trust Co LLC	94	$24.0K	0.00%	+33+54.1%	Added
Greykasell Wealth Strategies, Inc.	93	$23.8K	0.01%	00.0%	Unchanged
ORG Wealth Partners, LLC	92	$23.5K	0.00%	00.0%	Unchanged
Richardson Financial Services Inc.	90	$23.0K	0.01%	00.0%	Unchanged
Ulland Investment Advisors, LLC	90	$23.0K	0.02%	00.0%	Unchanged
Marshall & Sterling Wealth Advisors Inc.	87	$22.2K	0.01%	00.0%	Unchanged
Valued Wealth Advisors LLC	86	$22.1K	0.01%	+14+19.4%	Added
Smallwood Wealth Investment Management, LLC	83	$21.2K	0.01%	00.0%	Unchanged
Avion Wealth	86	$21.0K	0.00%	+14+19.4%	Added
Founders Capital Management	80	$20.5K	0.01%	00.0%	Unchanged
True Wealth Design, LLC	75	$19.2K	0.00%	+12+19.0%	Added
Cornerstone Financial Management LLC	75	$19.2K	0.02%	+33+78.6%	Added
ZRC Wealth Management, LLC	74	$18.9K	0.01%	+52+236.4%	Added
Bare Financial Services, Inc	73	$18.7K	0.00%	+36+97.3%	Added
Clear Street Markets LLC	68	$17.4K	0.00%	+19+38.8%	Added
Virtus ETF Advisers LLC	63	$16.1K	0.01%	00.0%	Unchanged
Tidemark, LLC	62	$15.9K	0.00%	00.0%	Unchanged
Wall Street Access Asset Management, LLC	62	$15.9K	0.00%	+62	New
Park Place Capital Corp	59	$15.1K	0.00%	+46+353.8%	Added
Elevated Capital Advisors, LLC	58	$14.8K	0.00%	−5−7.9%	Reduced
Atlantic Trust, LLC	57	$14.6K	0.00%	00.0%	Unchanged
TFC Financial Management	56	$14.4K	0.00%	+5+9.8%	Added
Entrust Financial LLC	56	$14.3K	0.01%	00.0%	Unchanged
Midwest Capital Advisors, LLC	55	$14.1K	0.01%	00.0%	Unchanged
Horizon Bancorp Inc	53	$14.0K	0.01%	00.0%	Unchanged
Leo H. Evart, Inc.	54	$13.7K	0.01%	+1+1.9%	Added
Hara Capital LLC	53	$13.6K	0.01%	00.0%	Unchanged
Montgomery Financial Services LLC	52	$13.3K	0.01%	+52	New
Nvest Wealth Strategies, Inc.	50	$12.8K	0.01%	00.0%	Unchanged
Fountainhead AM, LLC	50	$12.8K	0.01%	+25+100.0%	Added
Towarzystwo Funduszy Inwestycyjnych Allianz Polska S.A.	50	$12.8K	0.03%	−50−50.0%	Reduced
Boreal Capital Management LLC	50	$12.8K	0.01%	00.0%	Unchanged
United Financial Planning Group LLC	49	$12.5K	0.01%	00.0%	Unchanged
Provenance Wealth Advisors, LLC	49	$12.5K	0.00%	+24+96.0%	Added
Bravera Wealth	44	$11.2K	0.00%	−22−33.3%	Reduced
Anchor Investment Management, LLC	44	$11.2K	0.00%	+22+100.0%	Added
MPWM Advisory Solutions, LLC	43	$10.9K	0.00%	+1+2.4%	Added
Aventura Private Wealth, LLC	42	$10.7K	0.00%	00.0%	Unchanged
Holos Integrated Wealth LLC	40	$10.7K	0.00%	00.0%	Unchanged
E Fund Management (Hong Kong) Co., Ltd.	41	$10.5K	0.00%	−376−90.2%	Reduced
Orion Capital Management LLC	40	$10.2K	0.00%	00.0%	Unchanged
Webster Bank, N. A.	39	$9.97K	0.00%	−84−68.3%	Reduced
IMG Wealth Management, Inc.	39	$9.97K	0.01%	+7+21.9%	Added
Kilter Group LLC	38	$9.72K	0.00%	+5+15.2%	Added
Dunhill Financial, LLC	37	$9.51K	0.00%	+16+76.2%	Added
Corsicana & Co.	37	$9.46K	0.00%	00.0%	Unchanged
1015 Capital Partners, LLC	36	$9.20K	0.01%	00.0%	Unchanged
Creative Capital Management Investments LLC	36	$9.20K	0.00%	+36	New
Retirement Wealth Solutions LLC	35	$8.95K	0.00%	00.0%	Unchanged
Providence Capital Advisors, LLC	35	$8.95K	0.00%	+35	New
Gleason Group, Inc.	35	$8.95K	0.00%	+35	New
Marquette Asset Management, LLC	32	$8.18K	0.00%	00.0%	Unchanged
Burk Holdings LLC	32	$8.18K	0.00%	00.0%	Unchanged
Torren Management, LLC	30	$7.66K	0.00%	00.0%	Unchanged
Medallion Wealth Advisors, LLC	28	$7.16K	0.00%	−824−96.7%	Reduced
Hager Investment Management Services, LLC	25	$6.39K	0.00%	00.0%	Unchanged
Luminist Capital LLC	24	$6.14K	0.01%	+24	New
Penserra Capital Management LLC	24	$6.00K	0.00%	00.0%	Unchanged
Timbuktu Capital Management, LLC	23	$5.92K	0.01%	+23	New
HFM Investment Advisors, LLC	23	$5.88K	0.00%	+10+76.9%	Added
Fedenia Advisers LLC	23	$5.88K	0.00%	+23	New
HGK Asset Management Inc	21	$5.37K	0.00%	−7,232−99.7%	Reduced
High Note Wealth, LLC	20	$5.11K	0.00%	+6+42.9%	Added