LOOMIS SAYLES & CO L P

Position in WRB — Berkley W R Corp

CIK 312348 BOSTON, MA

Position in WRB

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$39,701

-$3,072 QoQ

Shares Held

599

-1.8% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

18 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Financial Services · as of Mar 31, 2026

LOOMIS SAYLES & CO L P holds $168,290,041 across 6 Insurance - Property & Casualty names. WRB ranks #5 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PGR	Progressive Corp/Oh/	760,877	$150,836,256
2	SKWD	Skyward Specialty Insurance Group, Inc.	314,912	$13,755,355
3	ALL	Allstate Corp	17,252	$3,577,029
4	L	Loews Corp	399	$42,589
5	WRB	Berkley W R Corp This page	599	$39,701
6	CB	Chubb Ltd	120	$39,111

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$39,701	599	-1.8%	Shares	Defined	2026-05-14
2025-12-31	$42,773	610	0.0%	Shares	Defined	2026-02-12
2025-09-30	$46,738	610	-97.0%	Shares	Defined	2025-11-13
2025-06-30	$1,490,045	20,281	0.0%	Shares	Defined	2025-08-13
2025-03-31	$1,443,195	20,281	-90.6%	Shares	Defined	2025-05-14
2024-12-31	$12,577,468	214,926	+1.5%	Shares	Defined	2025-02-12
2024-09-30	$12,017,626	211,839	+16.9%	Shares	Defined	2024-11-13
2024-06-30	$9,492,679	181,204	-27.8%	Shares	Defined	2024-08-13
2024-03-31	$14,788,523	250,823	-1.5%	Shares	Defined	2024-05-14
2023-12-31	$12,008,122	254,697	+2.4%	Shares	Defined	2024-02-13
2023-09-30	$10,525,803	248,680	+35.6%	Shares	Defined	2023-11-09
2023-06-30	$7,281,533	183,383	+19555.2%	Shares	Defined	2023-08-11
2023-03-31	$38,725	933	-72.4%	Shares	Defined	2023-05-15
2022-12-31	$163,717	3,384	+94.5%	Shares	Defined	2023-02-10
2022-09-30	$74,912	1,740	-54.2%	Shares	Defined	2022-11-14
2022-06-30	$172,970	3,801	+6.5%	Shares	Defined	2022-08-05
2022-03-31	$158,484	3,570	+1345.3%	Shares	Defined	2022-05-13
2020-03-31	$5,727	247	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.