6 superinvestors own AD

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Howard Marks	Oaktree Capital Management	0.53%	724,444	$33.4M	2026Q1	Held
Daniel Loeb	Third Point	0.40%	545,344	$29.8M	2024Q3	Held
William Von Mueffling	Cantillon Capital Management	0.09%	59,300	$2.7M	2005Q1	Held
Lee Ainslie	Maverick Capital	0.04%	64,594	$3.5M	2025Q4	New
Kenneth Fisher	Fisher Asset Management	0.01%	43,700	$1.2M	2005Q4	Reduced
Meridian / ArrowMark	Meridian Contrarian Fund	0.00%	79	$3K	2016Q3	New

Recent insider activity — AD

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 AD 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.