AWI

Armstrong World Industries, Inc.

$165.73

Closing price as of Apr 1, 2026

9 superinvestors own AWI

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Yacktman Asset Management	Yacktman Asset Management	1.98%	741,742	$141.7M	2025Q4	New
Glenn Welling	Engaged Capital	1.34%	31,295	$1.8M	2015Q1	Added
William Von Mueffling	Cantillon Capital Management	1.09%	1,886,268	$134.4M	2023Q1	Reduced
Chase Coleman	Tiger Global Management	0.62%	1,779,431	$91.2M	2017Q3	Held
Henry Ellenbogen	Durable Capital Partners	0.51%	318,566	$25.3M	2020Q1	New
David Tepper	Appaloosa Management	0.50%	349,471	$14.8M	2006Q4	New
First Eagle Investment Management	First Eagle Investment Management	0.19%	1,245,178	$78.7M	2018Q2	Held
Bill Nygren	Oakmark Select Fund – Harris Associates	0.00%	8,750	$788K	2021Q1	Held
Polen Capital Management	Polen Capital Management	0.00%	1,511	$289K	2025Q4	Added

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 AWI 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.