TDG

TRANSDIGM GROUP INC

14 superinvestors own TDG

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
AltaRock Partners	AltaRock Partners	25.54%	909,168	$1.1B	2026Q1	Reduced
Triple Frond Partners	Triple Frond Partners	12.82%	106,544	$123K	2026Q1	Added
Bryan Lawrence	Oakcliff Capital	12.36%	24,170	$28.0M	2026Q1	Held
David Abrams	Abrams Capital Management	8.04%	312,747	$279.6M	2023Q2	New
John Armitage	Egerton Capital	2.84%	707,950	$396.5M	2019Q4	Reduced
Chase Coleman	Tiger Global Management	2.11%	1,757,245	$1.1B	2021Q3	Held
Viking Global Investors	Viking Global Investors	1.94%	1,048,958	$322.0M	2018Q1	Added
Daniel Loeb	Third Point	1.39%	25,000	$29.0M	2026Q1	Reduced
Stephen Mandel	Lone Pine Capital	0.33%	35,677	$41.3M	2026Q1	Added
Chris Hohn	TCI Fund Management	0.21%	86,480	$48.4M	2019Q4	New
Christopher Davis	Davis Selected Advisers	0.08%	92,306	$19.6M	2015Q3	Reduced
William Von Mueffling	Cantillon Capital Management	0.06%	100,632	$2.7M	2006Q4	Reduced
Chuck Akre	Akre Capital Management	0.05%	10,000	$1.8M	2014Q3	Held
Kenneth Fisher	Fisher Asset Management	0.00%	288	$334K	2026Q1	Reduced

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 TDG 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.