UNP

UNION PAC CORP

24 superinvestors own UNP

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
John Armitage	Egerton Capital	3.83%	3,145,619	$619.3M	2020Q3	Reduced
Stephen Mandel	Lone Pine Capital	3.64%	3,795,502	$686.2M	2019Q4	Added
Lee Ainslie	Maverick Capital	3.26%	1,313,207	$303.8M	2025Q4	New
Triple Frond Partners	Triple Frond Partners	2.38%	74,500	$18K	2024Q3	Held
Valley Forge Capital Management	Valley Forge Capital Management	2.10%	53,807	$5.0M	2010Q4	Reduced
David Katz	Matrix Asset Advisors	1.63%	69,866	$16.1M	2025Q2	Added
Bill Nygren	Oakmark Select Fund – Harris Associates	1.22%	3,782,438	$917.7M	2026Q1	Added
Daniel Loeb	Third Point	1.16%	100,000	$24.3M	2026Q1	Reduced
Francois Rochon	Giverny Capital	0.93%	51,978	$7.3M	2020Q1	Reduced
Chase Coleman	Tiger Global Management	0.85%	221,600	$25.1M	2007Q3	Reduced
Kenneth Fisher	Fisher Asset Management	0.54%	6,504,065	$1.6B	2026Q1	Added
Tweedy Browne Co.	Tweedy Browne Value Fund	0.37%	19,185	$4.7M	2026Q1	Reduced
Viking Global Investors	Viking Global Investors	0.24%	291,533	$39.1M	2017Q4	Reduced
Thomas Russo	Gardner Russo & Quinn	0.08%	27,638	$6.7M	2026Q1	Added
Meridian / ArrowMark	Meridian Contrarian Fund	0.04%	29,370	$3.4M	2017Q3	Reduced
Torray Funds	Torray Investment Partners	0.03%	850	$206K	2026Q1	New
Ruane Cunniff	Sequoia Fund	0.03%	23,520	$3.2M	2017Q4	Reduced
Dodge & Cox	Dodge & Cox	0.03%	260,952	$63.3M	2026Q1	Reduced
Mairs & Power	Mairs & Power Growth Fund	0.01%	4,190	$1.0M	2026Q1	Reduced
Greenhaven Associates	Greenhaven Associates	0.01%	2,032	$493K	2026Q1	Held
Chris Hohn	TCI Fund Management	0.00%	5,191	$1.1M	2022Q4	Reduced
First Eagle Investment Management	First Eagle Investment Management	0.00%	6,500	$1.3M	2023Q3	Reduced
Jensen Investment Management	Jensen Investment Management	0.00%	81	$4K	2008Q4	Reduced
Christopher Davis	Davis Selected Advisers	0.00%	0	$784K	2008Q4	Held

Recent insider activity — UNP

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.

Congressional trades — UNP

STOCK Act disclosures · last 12 months

Congressional trade data coming soon.

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

Learn more

What Is SEC Form 4?

Understand the insider trade filings behind UNP 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.