BLAIR WILLIAM & CO/IL

Position in CB — Chubb Ltd

CIK 902367 CHICAGO, IL

Position in CB

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$15,834,983

+$312,320 QoQ

Shares Held

48,584

-2.3% QoQ

Ownership

0.013%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 91.99547185345271.ToString("F0")% Shared 0.ToString("F0")% None 8.004528146547289.ToString("F0")%

Financial Services · as of Mar 31, 2026

BLAIR WILLIAM & CO/IL holds $363,891,269 across 16 Insurance - Property & Casualty names. CB ranks #3 (4.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PGR	Progressive Corp/Oh/	1,219,749	$241,803,041
2	ALL	Allstate Corp	258,779	$53,655,237
3	CB	Chubb Ltd This page	48,584	$15,834,983
4	MKL	Markel Group Inc.	7,312	$13,995,679
5	KNSL	Kinsale Capital Group, Inc.	37,507	$12,814,641
6	PLMR	Palomar Holdings, Inc.	101,428	$12,120,646
7	TRV	Travelers Companies, Inc.	23,516	$6,859,146
8	RLI	Rli Corp	31,573	$1,800,923

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$15,834,983	48,584	-2.3%	Shares	Sole	2026-05-08
2025-12-31	$15,522,663	49,733	+2.0%	Shares	Sole	2026-02-17
2025-09-30	$13,756,865	48,740	-6.0%	Shares	Sole	2025-11-12
2025-06-30	$15,030,094	51,878	+1.5%	Shares	Sole	2025-07-24
2025-03-31	$15,434,104	51,108	-12.1%	Shares	Sole	2025-05-09
2024-12-31	$16,071,265	58,166	+7.6%	Shares	Sole	2025-02-12
2024-09-30	$15,593,535	54,071	-2.7%	Shares	Sole	2024-11-12
2024-06-30	$14,176,326	55,576	+53.1%	Shares	Sole	2024-08-12
2024-03-31	$9,408,492	36,308	-0.0%	Shares	Sole	2024-05-09
2023-12-31	$8,206,964	36,314	+3.8%	Shares	Sole	2024-02-12
2023-09-30	$7,285,259	34,995	-8.5%	Shares	Sole	2023-11-09
2023-06-30	$7,363,109	38,238	-13.0%	Shares	Sole	2023-08-11
2023-03-31	$8,539,259	43,976	+0.5%	Shares	Sole	2023-05-12
2022-12-31	$9,653,014	43,758	+2.7%	Shares	Sole	2023-02-10
2022-09-30	$7,751,361	42,618	-1.5%	Shares	Sole	2022-11-09
2022-06-30	$8,509,358	43,287	-1.3%	Shares	Sole	2022-08-10
2022-03-31	$9,377,589	43,841	-0.8%	Shares	Sole	2022-05-13
2021-12-31	$8,544,302	44,200	+16.7%	Shares	Sole	2022-02-14
2021-09-30	$6,570,728	37,876	-0.8%	Shares	Sole	2021-11-12
2021-06-30	$6,066,739	38,170	-11.4%	Shares	Sole	2021-08-12
2021-03-31	$6,808,664	43,101	-5.9%	Shares	Sole	2021-05-13
2020-12-31	$7,053,384	45,825	-7.4%	Shares	Sole	2021-02-09
2020-09-30	$5,748,868	49,508	+23.8%	Shares	Sole	2020-11-06
2020-06-30	$5,064,420	39,997	-14.4%	Shares	Sole	2020-08-12
2020-03-31	$5,220,949	46,745	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.