ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in WRB — Berkley W R Corp

CIK 1164508 BOSTON, MA

Back to WRB Full portfolio

Position in WRB

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

Position Value

$53,232,782

-$19,613,273 QoQ

Shares Held

803,150

-22.7% QoQ

Ownership

0.216%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

18 quarters on record

Voting authority Sole 74.38236942040714.ToString("F0")% Shared 0.ToString("F0")% None 25.617630579592856.ToString("F0")%

Common Shares in WRB Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,022,240,598 across 33 Insurance - Property & Casualty names. WRB ranks #7 (2.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PGR	Progressive Corp/Oh/	2,663,827	$528,077,064
2	CB	Chubb Ltd	1,305,422	$425,476,192
3	TRV	Travelers Companies, Inc.	821,884	$239,727,125
4	ALL	Allstate Corp	764,096	$158,427,664
5	CINF	Cincinnati Financial Corp	903,028	$142,091,455
6	AFG	American Financial Group Inc	431,144	$55,061,400
7	WRB	Berkley W R Corp This page	803,150	$53,232,782
8	MCY	Mercury General Corp	574,897	$50,677,170

All Filings in WRB

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18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$53,232,782	803,150	-22.7%	Shares	Defined	2026-05-14
2025-12-31	$72,846,055	1,038,877	+82.4%	Shares	Defined	2026-02-13
2025-09-30	$43,629,420	569,426	-47.0%	Shares	Defined	2025-11-13
2025-06-30	$78,947,261	1,074,551	-21.3%	Shares	Defined	2025-08-13
2025-03-31	$97,129,557	1,364,946	+68.0%	Shares	Defined	2025-05-14
2024-12-31	$47,533,630	812,263	-8.1%	Shares	Defined	2025-02-12
2024-09-30	$50,154,766	884,096	+27.6%	Shares	Defined	2024-11-14
2024-06-30	$36,304,978	693,019	-23.8%	Shares	Defined	2024-08-14
2024-03-31	$53,620,464	909,438	+7.8%	Shares	Defined	2024-05-15
2023-12-31	$39,767,062	843,475	+31.4%	Shares	Defined	2024-02-14
2023-09-30	$27,176,069	642,055	-18.2%	Shares	Defined	2023-11-14
2023-06-30	$31,148,397	784,462	+1438.9%	Shares	Defined	2023-08-14
2023-03-31	$2,115,762	50,974	+77.7%	Shares	Defined	2023-05-15
2022-12-31	$1,388,022	28,690	-58.4%	Shares	Defined	2023-02-14
2022-09-30	$2,969,859	68,981	+162.1%	Shares	Defined	2022-11-14
2022-06-30	$1,197,463	26,314	-66.0%	Shares	Defined	2022-08-15
2021-09-30	$2,516,640	77,377	-49.3%	Shares	Defined	2021-11-12
2021-06-30	$5,049,033	152,631	—	Shares	Defined	2021-08-13
No filing history on record for this holder in this stock.