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
Freestone Grove Partners LP	1	$244	0.00%	+1	New
Synergy Investment Management, LLC	1	$244	0.00%	+1	New
Godfrey Financial Associates, Inc.	1	$244	0.00%	+1	New
3 Factor Indexing, LLC	1	$245	0.00%	+1	New
Trust Co	2	$488	0.00%	00.0%	Unchanged
Portus Wealth Advisors, LLC	3	$733	0.00%	+3	New
USA Financial Portformulas Corp	4	$977	0.00%	−4,858−99.9%	Reduced
Mascoma Wealth Management LLC	4	$977	0.00%	00.0%	Unchanged
TopTier Wealth Management, LLC	4	$977	0.00%	+4	New
Rakuten Securities, Inc.	5	$1.22K	0.00%	−22−81.5%	Reduced
Three Bearings Fiduciary Advisors, Inc.	5	$1.22K	0.00%	00.0%	Unchanged
DecisionPoint Financial, LLC	5	$1.22K	0.00%	00.0%	Unchanged
Horizon Financial Services, LLC	5	$1.22K	0.00%	00.0%	Unchanged
Curio Wealth, LLC	5	$1.22K	0.00%	+5	New
Atlantic Private Wealth, LLC	5	$1.23K	0.00%	00.0%	Unchanged
NVWM, LLC	6	$1.47K	0.00%	00.0%	Unchanged
Washington Trust Advisors, Inc.	6	$1.47K	0.00%	+6	New
Cherry Tree Wealth Management, LLC	6	$1.47K	0.00%	00.0%	Unchanged
Pacific Center for Financial Services	6	$1.47K	0.00%	+6	New
Seneschal Advisors, LLC	7	$1.71K	0.00%	00.0%	Unchanged
Mowery & Schoenfeld Wealth Management, LLC	8	$1.95K	0.00%	−11−57.9%	Reduced
Winthrop Capital Management, LLC	10	$2.00K	0.00%	00.0%	Unchanged
Heritage Wealth Advisors	9	$2.20K	0.00%	+9	New
Quaker Wealth Management, LLC	10	$2.44K	0.00%	−1−9.1%	Reduced
Richard W. Paul & Associates, LLC	10	$2.44K	0.00%	00.0%	Unchanged
NBT Bank N A	10	$2.44K	0.00%	+10	New
American Capital Advisory, LLC	11	$2.69K	0.00%	+4+57.1%	Added
Evelyn Partners Asset Management Ltd	12	$2.93K	0.00%	00.0%	Unchanged
Park Place Capital Corp	13	$3.17K	0.00%	−2−13.3%	Reduced
HFM Investment Advisors, LLC	13	$3.17K	0.00%	+1+8.3%	Added
Hollencrest Capital Management	14	$3.42K	0.00%	00.0%	Unchanged
Principia Wealth Advisory, LLC	14	$3.42K	0.00%	00.0%	Unchanged
High Note Wealth, LLC	14	$3.42K	0.00%	+4+40.0%	Added
JNBA Financial Advisors	15	$3.66K	0.00%	−25−62.5%	Reduced
Anfield Capital Management, LLC	16	$3.91K	0.00%	00.0%	Unchanged
Triumph Capital Management	16	$3.91K	0.00%	+7+77.8%	Added
Roxbury Financial LLC	16	$3.96K	0.00%	00.0%	Unchanged
Beaird Harris Wealth Management, LLC	17	$4.11K	0.00%	00.0%	Unchanged
N.E.W. Advisory Services LLC	17	$4.15K	0.00%	+17	New
WealthCollab, LLC	17	$4.15K	0.00%	00.0%	Unchanged
Atwood & Palmer Inc	19	$4.64K	0.00%	+19	New
Raleigh Capital Management Inc.	19	$4.67K	0.00%	+11+137.5%	Added
Clayton Financial Group LLC	20	$4.88K	0.00%	00.0%	Unchanged
Penserra Capital Management LLC	24	$5.00K	0.00%	−3−11.1%	Reduced
Dunhill Financial, LLC	21	$5.29K	0.00%	−1−4.5%	Reduced
Anchor Investment Management, LLC	22	$5.37K	0.00%	−12−35.3%	Reduced
ZRC Wealth Management, LLC	22	$5.37K	0.00%	+1+4.8%	Added
Corsicana & Co.	37	$5.39K	0.00%	00.0%	Unchanged
Provenance Wealth Advisors, LLC	25	$6.10K	0.00%	00.0%	Unchanged
Hager Investment Management Services, LLC	25	$6.11K	0.00%	00.0%	Unchanged
Fountainhead AM, LLC	25	$6.11K	0.01%	+25	New
Torren Management, LLC	30	$7.30K	0.00%	−636−95.5%	Reduced
IMG Wealth Management, Inc.	32	$7.81K	0.00%	−70−68.6%	Reduced
Marquette Asset Management, LLC	32	$7.81K	0.00%	+32	New
Burk Holdings LLC	32	$7.81K	0.00%	+32	New
Kilter Group LLC	33	$8.06K	0.00%	−5−13.2%	Reduced
Activest Wealth Management	35	$8.55K	0.00%	−57−62.0%	Reduced
Retirement Wealth Solutions LLC	35	$8.55K	0.01%	+12+52.2%	Added
1015 Capital Partners, LLC	36	$8.79K	0.01%	+1+2.9%	Added
Bare Financial Services, Inc	37	$9.04K	0.00%	+9+32.1%	Added
Orion Capital Management LLC	40	$9.77K	0.00%	00.0%	Unchanged
Holos Integrated Wealth LLC	40	$9.82K	0.00%	00.0%	Unchanged
Aventura Private Wealth, LLC	42	$10.3K	0.00%	00.0%	Unchanged
Cornerstone Financial Management LLC	42	$10.3K	0.01%	+8+23.5%	Added
MPWM Advisory Solutions, LLC	42	$10.4K	0.01%	00.0%	Unchanged
PayPay Securities Corp	47	$10.6K	0.37%	+39+487.5%	Added
Clear Street Markets LLC	49	$12.0K	0.01%	−396−89.0%	Reduced
United Financial Planning Group LLC	49	$12.0K	0.01%	−19−27.9%	Reduced
Boreal Capital Management LLC	50	$12.2K	0.01%	00.0%	Unchanged
Nvest Wealth Strategies, Inc.	50	$12.2K	0.01%	00.0%	Unchanged
TFC Financial Management	51	$12.5K	0.00%	00.0%	Unchanged
Bay Harbor Wealth Management, LLC	53	$12.9K	0.00%	+18+51.4%	Added
Hara Capital LLC	53	$12.9K	0.01%	00.0%	Unchanged
Horizon Bancorp Inc	53	$13.0K	0.01%	+53	New
Leo H. Evart, Inc.	53	$13.0K	0.01%	+53	New
Midwest Capital Advisors, LLC	55	$13.4K	0.01%	+55	New
Entrust Financial LLC	56	$13.7K	0.01%	−3−5.1%	Reduced
Atlantic Trust, LLC	57	$13.9K	0.00%	00.0%	Unchanged
First Command Advisory Services, Inc.	59	$14.4K	0.00%	+22+59.5%	Added
Arlington Trust Co LLC	61	$14.9K	0.00%	+26+74.3%	Added
Tidemark, LLC	62	$15.1K	0.00%	+6+10.7%	Added
Elevated Capital Advisors, LLC	63	$15.4K	0.00%	−22−25.9%	Reduced
Virtus ETF Advisers LLC	63	$15.4K	0.01%	00.0%	Unchanged
True Wealth Design, LLC	63	$15.4K	0.00%	+1+1.6%	Added
Bravera Wealth	66	$16.1K	0.01%	00.0%	Unchanged
Mosley Wealth Management	87	$16.8K	0.01%	+87	New
Avion Wealth	72	$17.0K	0.00%	+14+24.1%	Added
Valued Wealth Advisors LLC	72	$17.7K	0.01%	+44+157.1%	Added
Highline Wealth Partners LLC	75	$18.3K	0.00%	−3−3.8%	Reduced
Protective Life Corp	77	$18.8K	0.06%	+77	New
Founders Capital Management	80	$19.5K	0.01%	−70−46.7%	Reduced
Smallwood Wealth Investment Management, LLC	83	$20.3K	0.01%	00.0%	Unchanged
Cornerstone Planning Group LLC	82	$21.1K	0.00%	+29+54.7%	Added
Marshall & Sterling Wealth Advisors Inc.	87	$21.1K	0.01%	+1+1.2%	Added
Whipplewood Advisors, LLC	88	$21.5K	0.01%	+78+780.0%	Added
Elequin Capital LP	88	$21.5K	0.00%	+88	New
Richardson Financial Services Inc.	90	$22.0K	0.01%	00.0%	Unchanged
Ulland Investment Advisors, LLC	90	$22.0K	0.02%	00.0%	Unchanged
ORG Wealth Partners, LLC	92	$22.5K	0.00%	−25−21.4%	Reduced
Frazier Financial Advisors, LLC	92	$22.5K	0.01%	+92	New