Who owns WRB - BERKLEY W R CORP - Common Stock based on 13F filings?

935 institutions reported positions in WRB - BERKLEY W R CORP - Common Stock as of Q4 2025. Open the latest holders period and ownership history tables on this page for position-level details.

Security Snapshot

BERKLEY W R CORP - Common Stock (WRB) Institutional Ownership

Q: What is CUSIP 084423102?

CUSIP 084423102 is the security identifier used in SEC filing datasets for WRB - BERKLEY W R CORP - Common Stock.

CUSIP: 084423102

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

935

Shares (Excl. Options)

283,877,137

Price

$70.12

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Type / Class: Equity / Common Stock
Symbol: WRB on NYSE
Shares outstanding: 374,703,483
Price per share: $66.96
All holders as of 31 Dec 2025: Q4 2025
Total 13F shares: 283,877,137
Total reported value: $19,904,228,189
% of total 13F portfolios: 0.01%
Share change: -11,854,121
Value change: -$898,790,335
Number of holders: 935
Price from insider filings: $66.96

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Quick Takeaways

WRB - BERKLEY W R CORP - Common Stock is tracked under CUSIP 084423102.
935 institutions reported positions in Q4 2025.
3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

Holder count moved from 935 to 663 between Q4 2025 and Q1 2026.
Reported value moved from $19,904,228,189 to $8,787,185,558.

Why This Matters

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 935 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 084423102?
CUSIP 084423102 identifies WRB - BERKLEY W R CORP - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Next ownership checks

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Latest 13F filings when you want to inspect fresh institutional portfolio moves.
Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
All institutional ownership pages to compare this security with other holder-history pages.

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 084423102:

Q1 2026 (663 holders) Q4 2025 (935 holders) Q3 2025 (918 holders) Q2 2025 (910 holders) Q1 2025 (901 holders) Q4 2024 (863 holders) Q3 2024 (782 holders) Q2 2024 (715 holders) Q1 2024 (753 holders) Q4 2023 (719 holders)

Significant Owners of BERKLEY W R CORP - Common Stock (WRB) based on Schedule 13D/G filings

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BERKLEY WILLIAM R	26%	+1.5%	$6,835,728,842		95,551,144	0%	William R. Berkley	04 Mar 2026
MITSUI SUMITOMO INSURANCE CO LTD	16%	+5.3%	$4,205,153,393	+$166,101,143	58,780,450	+4.1%	Mitsui Sumitomo Insurance Co., Ltd.	04 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC	5.8%		$1,440,450,117		21,732,802		Vanguard Capital Management	31 Mar 2026

As of 31 Dec 2025, 935 institutional investors reported holding 283,877,137 shares of BERKLEY W R CORP - Common Stock (WRB). This represents 76% of the company’s total 374,703,483 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of BERKLEY W R CORP - Common Stock (WRB) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution	Ownership %	Shares Held	Share Change %	Portfolio %	Holdings Value
MITSUI SUMITOMO INSURANCE CO LTD	13%	50,526,511	0%	100%	$3,542,918,951
VANGUARD GROUP INC	9.9%	37,033,581	+0.84%	0.04%	$2,596,794,700
BlackRock, Inc.	6.7%	25,060,489	+1.2%	0.03%	$1,757,241,475
STATE STREET CORP	4%	14,916,433	-0.03%	0.04%	$1,045,940,282
MORGAN STANLEY	2.6%	9,798,358	-17%	0.04%	$687,061,127
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	2.3%	8,709,181	-8.3%	1.6%	$610,687,793
GEODE CAPITAL MANAGEMENT, LLC	2.2%	8,348,791	+0.05%	0.04%	$586,983,442
NORGES BANK	1.7%	6,214,380		0.05%	$435,752,326
Invesco Ltd.	1.3%	4,913,337	+0.42%	0.05%	$344,523,159
WELLS FARGO & COMPANY/MN	1.1%	3,990,309	+2.2%	0.05%	$279,800,474
DIMENSIONAL FUND ADVISORS LP	0.97%	3,638,379	-2%	0.05%	$255,144,066
FIRST TRUST ADVISORS LP	0.96%	3,595,187	-15%	0.18%	$252,094,546
JANUS HENDERSON GROUP PLC	0.95%	3,557,807	-49%	0.11%	$249,473,586
UBS Group AG	0.94%	3,505,867	+35%	0.05%	$245,831,395
JPMORGAN CHASE & CO	0.79%	2,959,888	-40%	0.01%	$207,547,388
NORTHERN TRUST CORP	0.77%	2,888,270	-4.1%	0.03%	$202,525,492
ROYAL LONDON ASSET MANAGEMENT LTD	0.74%	2,790,374	+0.97%	0.41%	$195,661,024
GOLDMAN SACHS GROUP INC	0.74%	2,756,154	+71%	0.03%	$193,261,549
PRINCIPAL FINANCIAL GROUP INC	0.72%	2,707,852	-48%	0.1%	$189,877,329
Polar Capital Holdings Plc	0.65%	2,445,000	-11%	0.78%	$171,443,400
BANK OF AMERICA CORP /DE/	0.63%	2,353,962	-8.4%	0.01%	$165,059,799
1832 Asset Management L.P.	0.62%	2,323,657	-3.1%	0.21%	$162,934,829
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.59%	2,219,902	+35573%	0.03%	$155,659,528
Bank of New York Mellon Corp	0.59%	2,201,848	+27%	0.03%	$154,393,620
Legal & General Group Plc	0.55%	2,060,831	-3.5%	0.03%	$144,505,473

Institutional Holders of BERKLEY W R CORP - Common Stock (WRB) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	132,615,879	$8,787,185,558	-$782,965,181	$1,239,436	$6,057,992	$66.28	663
2025 Q4	283,877,137	$19,904,228,189	-$898,790,335	$7,741,248	$14,297,468	$70.12	935
2025 Q3	244,318,417	$18,710,993,140	-$716,027,191	$2,988,180	$21,393,906	$76.62	918
2025 Q2	254,536,404	$18,686,757,069	-$149,116,870	$5,899,089	$11,284,992	$73.47	910
2025 Q1	257,292,485	$18,301,513,349	-$84,423,696	$7,280,238	$15,690,780	$71.16	901
2024 Q4	261,201,054	$15,282,336,353	+$11,840,798	$6,141,674	$10,050,810	$58.52	863
2024 Q3	257,666,567	$14,610,619,816	+$4,069,018,248	$8,768,720	$12,083,688	$56.73	782
2024 Q2	172,270,942	$13,523,820,184	-$183,054,042	$6,993,620	$49,261,802	$78.58	715
2024 Q1	177,792,698	$15,696,135,878	+$89,117,991	$19,067,664	$12,231,252	$88.44	753
2023 Q4	177,087,428	$12,509,528,867	+$187,304,817	$7,475,104	$5,374,720	$70.72	719
2023 Q3	173,557,239	$11,026,700,461	-$7,776,725	$3,828,447	$2,736,419	$63.49	660
2023 Q2	173,712,681	$10,338,961,461	-$401,727,413	$3,966,696	$3,103,076	$59.56	649
2023 Q1	179,596,816	$11,171,670,237	-$108,727,332	$3,036,728	$2,195,760	$62.26	680
2022 Q4	181,858,021	$13,197,305,485	+$462,921,439	$2,365,782	$3,962,103	$72.57	709
2022 Q3	184,861,142	$11,946,372,437	+$116,018,039	$1,217,000	$2,174,000	$64.58	656
2022 Q2	183,998,325	$12,556,999,643	+$208,361,780	$3,903,204	$2,498,000	$68.26	653
2022 Q1	180,465,440	$11,997,872,310	+$3,856,834,018	$2,381,000	$3,401,000	$66.59	597
2021 Q4	122,708,960	$10,095,755,740	-$65,790,203	$5,026,000	$2,661,000	$82.39	561
2021 Q3	123,728,672	$9,035,613,890	+$30,234,247	$4,420,000	$3,030,000	$73.18	506
2021 Q2	123,322,540	$9,159,195,144	-$100,678,097	$2,285,000	$4,176,000	$74.43	515
2021 Q1	124,457,759	$9,355,454,258	+$113,697,159	$1,635,000	$4,340,000	$75.35	500
2020 Q4	123,309,741	$8,165,386,468	-$330,974,620	$2,710,000	$1,474,000	$66.42	492
2020 Q3	128,501,461	$7,813,326,104	+$47,050,425	$2,030,000	$2,329,000	$61.15	443
2020 Q2	127,562,691	$7,287,804,384	-$114,624,014	$4,990,000	$2,698,000	$57.29	441
2020 Q1	129,817,720	$6,774,675,699	-$25,072,607	$4,603,000	$1,964,000	$52.17	431
2019 Q4	129,477,135	$8,930,012,544	-$13,011,946	$1,816,000	$1,644,000	$69.10	483
2019 Q3	129,465,090	$9,340,783,049	-$111,300,097	$2,136,000	$2,434,000	$72.23	432
2019 Q2	131,064,351	$8,628,439,304	+$2,829,528,236	$650,000	$1,074,000	$65.93	410
2019 Q1	86,453,145	$7,316,606,142	-$85,830,799	$2,990,000	$5,968,000	$84.72	370
2018 Q4	88,664,256	$6,548,237,532	+$72,140,529	$2,417,000	$1,383,000	$73.91	393
2018 Q3	87,550,721	$6,996,180,938	-$136,501,445	$1,646,000	$1,839,000	$79.93	386
2018 Q2	89,301,237	$6,466,341,383	+$81,078,978	$1,448,000	$2,196,000	$72.41	379
2018 Q1	88,139,990	$6,406,985,428	+$48,304,861	$2,813,000	$1,279,000	$72.70	385
2017 Q4	87,607,567	$6,272,228,374	-$16,832,460	$373,000	$215,000	$71.65	369
2017 Q3	87,821,049	$5,860,843,168	+$11,970,630	$1,174,000	$567,000	$66.74	354
2017 Q2	87,587,704	$6,058,727,477	-$45,290,521	$422,000	$907,000	$69.17	344
2017 Q1	88,677,799	$6,262,151,700	+$785,712,453	$1,780,000	$1,844,000	$70.63	350
2016 Q4	87,549,423	$5,818,283,044	-$46,449,642	$1,105,000	$3,186,000	$66.51	352
2016 Q3	88,159,166	$5,088,748,831	-$9,733,514	$769,000	$2,766,000	$57.76	335
2016 Q2	88,389,248	$5,295,529,448	+$80,122,282	$1,307,000	$1,804,000	$59.92	343
2016 Q1	87,275,046	$4,904,002,441	+$46,529,908	$928,000	$2,130,000	$56.20	343
2015 Q4	86,488,629	$4,736,044,925	-$54,575,518	$1,046,000	$8,880,000	$54.75	351
2015 Q3	87,586,707	$4,761,931,105	-$36,179,967	$919,000	$8,127,000	$54.37	336
2015 Q2	88,488,675	$4,595,408,846	-$101,257,876	$369,000	$706,000	$51.93	328
2015 Q1	90,539,095	$4,572,931,995	-$94,149,339	$404,000	$930,000	$50.51	336
2014 Q4	92,533,427	$4,742,860,395	+$44,314,702	$271,000	$669,000	$51.26	347
2014 Q3	90,285,841	$4,315,658,515	+$73,860,292	$144,000	$5,000	$47.80	307
2014 Q2	90,148,492	$4,174,581,950	+$46,886,898	$649,000	$0	$46.31	317
2014 Q1	89,550,736	$3,726,819,188	-$198,263,871	$607,000	$12,000	$41.62	306