ISTHMUS PARTNERS, LLC

Position in WRB — Berkley W R Corp

CIK 1639666 MADISON, WI

Position in WRB

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$14,576,011

+$1,020,426 QoQ

Shares Held

206,664

+1.0% QoQ

Ownership

0.056%

of shares outstanding

% of Portfolio

1.55%

of 13F equity value

Holder Rank

#116

of 950 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Financial Services · as of Jun 30, 2026

ISTHMUS PARTNERS, LLC holds $28,035,281 across 4 Insurance - Property & Casualty names. WRB ranks #1 (52.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WRB	Berkley W R Corp This page	206,664	$14,576,011
2	KNSL	Kinsale Capital Group, Inc.	28,123	$9,275,246
3	RLI	Rli Corp	65,211	$3,852,013
4	MKL	Markel Group Inc.	170	$332,011

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$14,576,011	206,664	+1.0%	Shares	Sole	2026-07-20
2026-03-31	$13,555,585	204,520	-2.0%	Shares	Sole	2026-04-30
2025-12-31	$14,636,007	208,728	-1.2%	Shares	Sole	2026-02-05
2025-09-30	$16,187,584	211,271	-1.2%	Shares	Sole	2025-11-10
2025-06-30	$15,708,179	213,804	-4.7%	Shares	Sole	2025-08-13
2025-03-31	$15,968,659	224,405	-0.8%	Shares	Sole	2025-05-01
2024-12-31	$13,236,287	226,184	-1.1%	Shares	Sole	2025-02-07
2024-09-30	$12,970,179	228,630	+48.2%	Shares	Sole	2024-11-14
2024-06-30	$12,120,815	154,248	-1.7%	Shares	Sole	2024-08-14
2024-03-31	$13,875,263	156,889	-3.9%	Shares	Sole	2024-05-08
2023-12-31	$11,550,069	163,321	+1.9%	Shares	Sole	2024-02-12
2023-09-30	$10,178,788	160,321	-0.2%	Shares	Sole	2023-11-14
2023-06-30	$9,563,318	160,566	+1.7%	Shares	Sole	2023-08-03
2023-03-31	$9,827,748	157,850	-0.4%	Shares	Sole	2023-05-11
2022-12-31	$11,500,748	158,478	-2.6%	Shares	Sole	2023-02-10
2022-09-30	$10,508,384	162,719	-0.7%	Shares	Sole	2022-11-14
2022-06-30	$11,182,839	163,827	-0.7%	Shares	Sole	2022-08-08
2022-03-31	$10,990,538	165,048	+52.9%	Shares	Sole	2022-05-04
2021-12-31	$8,894,088	107,951	+1.8%	Shares	Sole	2022-01-25
2021-09-30	$7,756,849	105,997	+0.9%	Shares	Sole	2021-11-10
2021-06-30	$7,817,084	105,026	+0.7%	Shares	Sole	2021-08-10
2021-03-31	$7,857,802	104,284	+5.5%	Shares	Sole	2021-05-17
2020-12-31	$6,567,941	98,885	+2.2%	Shares	Sole	2021-02-16
2020-09-30	$5,914,860	96,727	+11.0%	Shares	Sole	2020-11-04
2020-06-30	$4,991,673	87,130	+2.0%	Shares	Sole	2020-08-14
2020-03-31	$4,456,419	85,421	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.