SGI

SOMNIGROUP INTERNATIONAL INC

12 superinvestors own SGI

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

Investor	Fund	Weight	Shares	Value	Quarter	Activity
David Abrams	Abrams Capital Management	9.24%	5,798,776	$428.6M	2026Q1	Held
Daniel Loeb	Third Point	8.06%	2,270,769	$167.9M	2026Q1	Reduced
Mario Cibelli	Marathon Partners	1.99%	37,500	$1.3M	2022Q4	Held
Stephen Mandel	Lone Pine Capital	1.99%	4,771,772	$206.8M	2023Q3	New
Lee Ainslie	Maverick Capital	1.09%	1,141,820	$101.9M	2025Q4	New
Meridian / ArrowMark	Meridian Contrarian Fund	0.66%	337,284	$24.9M	2026Q1	Added
David Einhorn	Greenlight Capital	0.54%	69,300	$5.0M	2020Q2	Reduced
William Von Mueffling	Cantillon Capital Management	0.29%	632,430	$16.4M	2007Q4	Reduced
Chase Coleman	Tiger Global Management	0.20%	163,836	$4.3M	2007Q1	Reduced
Kenneth Fisher	Fisher Asset Management	0.01%	182,969	$8.5M	2017Q1	Reduced
Jensen Investment Management	Jensen Investment Management	0.01%	11,110	$488K	2013Q3	Reduced
Bill Nygren	Oakmark Select Fund – Harris Associates	0.00%	18,500	$219K	2005Q3	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 SGI 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.