CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in WRB — Berkley W R Corp

CIK 1081019 WEST SACRAMENTO, CA

Back to WRB Full portfolio

Position in WRB

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$20,521,282

-$6,371,841 QoQ

Shares Held

309,615

-19.3% QoQ

Ownership

0.083%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

22 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in WRB Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $802,423,473 across 43 Insurance - Property & Casualty names. WRB ranks #8 (2.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CB	Chubb Ltd	570,544	$185,957,405
2	PGR	Progressive Corp/Oh/	862,577	$170,997,264
3	TRV	Travelers Companies, Inc.	343,341	$100,145,702
4	ALL	Allstate Corp	389,068	$80,669,359
5	L	Loews Corp	729,574	$77,874,728
6	MKL	Markel Group Inc.	18,099	$34,642,751
7	CINF	Cincinnati Financial Corp	206,601	$32,508,667
8	WRB	Berkley W R Corp This page	309,615	$20,521,282

All Filings in WRB

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22 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$20,521,282	309,615	-19.3%	Shares	Sole	2026-05-18
2025-12-31	$26,893,123	383,530	+2.3%	Shares	Sole	2026-02-17
2025-09-30	$28,714,034	374,759	-6.2%	Shares	Sole	2025-11-14
2025-06-30	$29,352,440	399,516	-6.2%	Shares	Sole	2025-08-14
2025-03-31	$30,323,055	426,125	+35.6%	Shares	Sole	2025-05-15
2024-03-31	$27,792,623	314,254	-0.3%	Shares	Sole	2024-05-16
2023-12-31	$22,281,907	315,072	-1.7%	Shares	Sole	2024-02-13
2023-09-30	$20,345,323	320,449	-7.1%	Shares	Sole	2023-11-14
2023-06-30	$20,554,173	345,100	-0.9%	Shares	Sole	2023-08-21
2023-03-31	$21,678,202	348,188	-0.9%	Shares	Sole	2023-05-09
2022-12-31	$25,499,791	351,382	+0.9%	Shares	Sole	2023-02-14
2022-09-30	$22,490,355	348,256	-1.1%	Shares	Sole	2022-11-21
2022-06-30	$24,030,745	352,047	+2.7%	Shares	Sole	2022-08-15
2022-03-31	$22,830,497	342,852	+40.5%	Shares	Sole	2022-05-16
2021-12-31	$20,099,217	243,952	+1.0%	Shares	Sole	2022-02-15
2021-09-30	$17,674,482	241,521	-0.0%	Shares	Sole	2021-11-15
2021-06-30	$17,979,534	241,563	-3.6%	Shares	Sole	2021-08-16
2021-03-31	$18,889,271	250,687	+1.1%	Shares	Sole	2021-05-18
2020-12-31	$16,475,680	248,053	-0.2%	Shares	Sole	2021-02-16
2020-09-30	$15,192,301	248,443	+2.0%	Shares	Sole	2020-11-17
2020-06-30	$13,958,008	243,638	-0.6%	Shares	Sole	2020-08-17
2020-03-31	$12,789,128	245,143	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.