MPC

MARATHON PETE CORP

7 superinvestors own MPC

Based on latest 13F filings — data is 45–90 days delayed

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Viking Global Investors	Viking Global Investors	4.72%	13,742,884	$822.5M	2019Q1	Added
Bill Nygren	Oakmark Select Fund – Harris Associates	0.91%	2,805,972	$685.2M	2026Q1	Reduced
First Eagle Investment Management	First Eagle Investment Management	0.06%	744,771	$17.6M	2020Q1	Held
David Katz	Matrix Asset Advisors	0.02%	854	$209K	2026Q1	New
Meridian / ArrowMark	Meridian Contrarian Fund	0.01%	21,900	$906K	2020Q4	Reduced
Kenneth Fisher	Fisher Asset Management	0.00%	18,369	$4.5M	2026Q1	Reduced
Mairs & Power	Mairs & Power Growth Fund	0.00%	1,390	$339K	2026Q1	Added

Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months

No open-market insider trades in the last 12 months.

Form 4 filings for option exercises and other transaction types are excluded.

STOCK Act disclosures · last 12 months

Congressional trade data coming soon.

We are sourcing STOCK Act disclosures and will display them here shortly.

What Is SEC Form 4?

Understand the insider trade filings behind MPC activity.

What Is a 13F Filing?

How superinvestors disclose their quarterly holdings.

Insider Cluster Buying

Why multiple insiders buying together is a strong signal.

Superinvestor Consensus

The most widely held stocks across all tracked institutions.