CB

Chubb Ltd

Superinvestors

Institutional investors holding CB

Investor	Fund	Weight	Shares	Value	Quarter
Warren Buffett	Berkshire Hathaway	4.24%	34,249,183	$11.2B	2026Q1
David Rolfe	Wedgewood Partners	3.63%	53,886	$17.6M	2026Q1
Christopher Davis	Davis Selected Advisers	1.79%	1,195,391	$389.6M	2026Q1
Robert Olstein	Olstein Capital Management	1.35%	19,000	$6K	2026Q1
David Katz	Matrix Asset Advisors	1.23%	51,401	$6.6M	2018Q4
Viking Global Investors	Viking Global Investors	1.18%	1,295,011	$422.1M	2026Q1
John Armitage	Egerton Capital	0.43%	148,764	$42.9M	2024Q3
Meridian / ArrowMark	Meridian Contrarian Fund	0.16%	18,485	$6.0M	2026Q1
Bill Nygren	Oakmark Select Fund – Harris Associates	0.04%	134,248	$26.0M	2021Q4
Bill & Melinda Gates Foundation	Bill & Melinda Gates Foundation Trust	0.01%	10,250	$2.1M	2023Q3
Mairs & Power	Mairs & Power Growth Fund	0.01%	2,439	$795K	2026Q1
Dodge & Cox	Dodge & Cox	0.00%	722	$235K	2026Q1
Kenneth Fisher	Fisher Asset Management	0.00%	4,929	$1.6M	2026Q1
Richard Pzena	Pzena Investment Management	0.00%	5,561	$866K	2019Q4

Congressional Activity

Congressional data coming soon

Insider Activity

42

Total trades

$47.2M

Volume

12

Buys

30

Sells

Last trade: May 21, 2026

Insider Tradeslast 90 days

Date	Insider	Type	Value
May 21, 2026	Michael G Atieh	Sell	$190K
May 21, 2026	Michael G Atieh	Buy	–

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.