MRO

MARATHON OIL CORP

10 superinvestors own MRO

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Kopernik Global Investors	Kopernik Global Investors	6.67%	2,530,870	$34.3M	2017Q3	Added
David Einhorn	Greenlight Capital	1.00%	2,162,700	$46.7M	2011Q3	Added
David Tepper	Appaloosa Management	0.87%	704,000	$37.1M	2011Q2	Added
William Von Mueffling	Cantillon Capital Management	0.22%	202,392	$12.3M	2007Q4	Reduced
Meridian / ArrowMark	Meridian Contrarian Fund	0.05%	41,900	$1.5M	2014Q1	Reduced
Kenneth Fisher	Fisher Asset Management	0.03%	2,884,151	$76.8M	2024Q3	Added
Bill Nygren	Oakmark Select Fund – Harris Associates	0.01%	8,295	$312K	2004Q4	New
Christopher Davis	Davis Selected Advisers	0.00%	17,200	$466K	2002Q2	New
Jensen Investment Management	Jensen Investment Management	0.00%	54	$1K	2008Q4	New
Ruane Cunniff	Sequoia Fund	0.00%	4,650	$241K	2008Q2	Held

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 MRO 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.