CenterBook Partners LP

Position in WRB — Berkley W R Corp

CIK 1872738 GREENWICH, CT

Position in WRB

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$398,917

+$19,663 QoQ

Shares Held

5,656

-1.2% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#580

of 947 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

CenterBook Partners LP holds $2,399,886 across 4 Insurance - Property & Casualty names. WRB ranks #4 (16.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MKL	Markel Group Inc.	488	$953,068
2	TRV	Travelers Companies, Inc.	1,817	$599,828
3	CB	Chubb Ltd	1,315	$448,073
4	WRB	Berkley W R Corp This page	5,656	$398,917

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$398,917	5,656	-1.2%	Shares	Sole	2026-08-11
2026-03-31	$379,254	5,722	—	Shares	Sole	2026-05-05
No filing history on record for this holder in this stock.