GM

GENERAL MTRS CO

19 superinvestors own GM

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
David Einhorn	Greenlight Capital	16.71%	6,154,702	$225.3M	2019Q4	Held
Greenhaven Associates	Greenhaven Associates	11.85%	18,228,066	$539.4M	2020Q3	Added
David Tepper	Appaloosa Management	8.54%	12,585,294	$428.0M	2015Q4	Reduced
Bill Miller	Miller Value Partners	2.79%	1,218,742	$44.7M	2023Q1	Reduced
Harry Burn	Sound Shore	2.59%	1,037,362	$77.3M	2026Q1	Reduced
Donald Smith & Co	Donald Smith & Co	2.34%	1,746,952	$130.1M	2026Q1	Added
Samantha McLemore	Patient Capital Management	2.03%	744,630	$55.5M	2026Q1	Reduced
Viking Global Investors	Viking Global Investors	1.91%	9,176,943	$683.7M	2026Q1	Added
Prem Watsa	Fairfax Financial Holdings	1.44%	375,965	$28.0M	2026Q1	Held
Bill Nygren	Oakmark Select Fund – Harris Associates	1.34%	13,457,709	$1.0B	2026Q1	Reduced
Robert Olstein	Olstein Capital Management	0.72%	44,000	$3K	2026Q1	Reduced
First Eagle Investment Management	First Eagle Investment Management	0.37%	3,696,822	$123.1M	2013Q2	Added
Warren Buffett	Berkshire Hathaway	0.24%	22,000,000	$848.3M	2023Q2	Reduced
Tweedy Browne Co.	Tweedy Browne Value Fund	0.17%	25,695	$2.1M	2025Q4	Added
Meridian / ArrowMark	Meridian Contrarian Fund	0.03%	69,475	$2.7M	2019Q2	Held
Richard Pzena	Pzena Investment Management	0.01%	36,662	$928K	2020Q2	New
Kenneth Fisher	Fisher Asset Management	0.00%	107,820	$8.0M	2026Q1	Reduced
Mairs & Power	Mairs & Power Growth Fund	0.00%	7,179	$242K	2022Q4	Held
Mason Hawkins	Longleaf Partners – Southeastern Asset Management	0.00%	28,000	$807K	2012Q4	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 GM 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.