MARATHON PETROLEUM CORP

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MPC·56585A102·US·Common Stock·Energy - Oil & Gas Refining & Marketing-13D/G

MPC (MARATHON PETROLEUM CORP) is held by 299 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($6.6B), VANGUARD CAPITAL MANAGEMENT LLC ($4.9B), STATE STREET CORP ($4.7B). Net institutional sentiment: Mixed. In Q2 2026, 3 members of Congress and 153 funds bought MPC.

299

Holders

(30 Elite)

$49.9B

Total Value

50% (304)

Consensus

153 buying - 151 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)76

Insider (Form 4)65

Activist (13D/13G)39

Congressional (STOCK Act)52

Holder Quality

89

★★★★★

Elite

37

★★★★

Strong

17

★★★

Solid

55

★★

Below

54

★

Weak

Held by 299 funds

30 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 19, 2026 · Activists Apr 30, 2026 · Congress Aug 6, 2026

InsiderBRBenson Molly RExercise 5K shAug 17, 2026

InsiderBRBenson Molly RSell $1.8MAug 17, 2026

InsiderBRBenson Molly RSell $1.8MAug 17, 2026

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Top Holders

Top Holders (299)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	26M(+6.6%)	$6.6B	0.1%	+145.06%	34
VAVANGUARD CAPITAL MANAGEMENT LLC	Decreased	19.1M(-0.5%)	$4.9B	0.1%	+52.04%	0
STATE STREET CORP	Decreased	18.5M(-2.9%)	$4.7B	0.1%	+151.75%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Decreased	15.6M(-0.3%)	$4B	0.2%	+52.04%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	8.4M(+6.8%)	$2.1B	0.1%	+383.00%	41
MORGAN STANLEY	Decreased	5.9M(-3.1%)	$1.5B	0.1%	+122.19%	0
RAYMOND JAMES FINANCIAL INC	Decreased	5.7M(-1.5%)	$1.5B	0.4%	+172.17%	0
FMR LLC	Increased	5.4M(+10.4%)	$1.4B	0.1%	+100.95%	35
Bank of New York Mellon Corp	Increased	4M(+1.9%)	$1B	0.2%	+389.95%	39
Boston Partners	Decreased	3.5M(-37.8%)	$905.8M	0.8%	+243.88%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	3.3M(-42.3%)	$831.5M	0.1%	+161.53%	0
NORTHERN TRUST CORP	Decreased	3.1M(-1.6%)	$799.2M	0.1%	+527.54%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	3.1M(-1.0%)	$781.5M	0.1%	+190.64%	0
GOLDMAN SACHS GROUP INC	Increased	2.9M(+4.7%)	$737.5M	0.1%	+131.91%	33
JPMORGAN CHASE & CO	Decreased	2.7M(-20.4%)	$709.3M	0.0%	+119.75%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	2.6M(-3.9%)	$670.5M	0.1%	+486.70%	0
BANK OF AMERICA CORP /DE/	Decreased	2.4M(-6.3%)	$621.8M	0.0%	+159.26%	0
Invesco Ltd.	Decreased	2.3M(-17.2%)	$598.5M	0.0%	+312.23%	0
Amundi	Increased	2.2M(+17.4%)	$572.2M	0.1%	+183.88%	44
AMERIPRISE FINANCIAL INC	Decreased	2M(-8.7%)	$519.5M	0.1%	+510.31%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer