PTEN

PATTERSON-UTI ENERGY INC

12 superinvestors own PTEN

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Alex Roepers	Atlantic Investment Management	6.54%	1,750,000	$13.4M	2024Q3	Reduced
FPA / Steven Romick	FPA Crescent Fund – First Pacific Advisors	4.01%	8,499,739	$202.0M	2006Q3	Added
Kahn Brothers Group	Kahn Brothers Group	3.25%	1,690,156	$18.3M	2026Q1	Reduced
David Einhorn	Greenlight Capital	0.60%	1,173,620	$18.0M	2009Q4	Reduced
Viking Global Investors	Viking Global Investors	0.43%	4,563,526	$78.1M	2018Q3	Reduced
Donald Smith & Co	Donald Smith & Co	0.14%	275,973	$7.0M	2013Q4	Held
Bill Nygren	Oakmark Select Fund – Harris Associates	0.07%	1,760,400	$37.6M	2013Q3	Held
David Katz	Matrix Asset Advisors	0.03%	6,650	$201K	2002Q4	New
Daniel Loeb	Third Point	0.02%	150,000	$1.8M	2024Q1	New
Kenneth Fisher	Fisher Asset Management	0.02%	5,160,838	$55.9M	2026Q1	Added
First Eagle Investment Management	First Eagle Investment Management	0.01%	154,017	$2.1M	2023Q3	New
Lee Ainslie	Maverick Capital	0.01%	71,533	$775K	2026Q1	New

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 PTEN 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.