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BERKLEY W R CORP

WRB, WRB-PE, WRB-PF, WRB-PG, WRB-PH · Fire, Marine & Casualty Insurance · 372.3M shares · +21%/yr ↑ dilution · EDGAR filings ↗
Net buyback after stock comp: $486M (gross $537M, SBC $51M)

Reference price $71.60 · est. market cap ~$26.7B — last insider purchase, 2026-03-03 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

B77

W. R. Berkley — well-run specialty P&C insurer with strong returns.

Strengths

Risks

Notable findings

Quarterly revenue

2025-06-30 · $3.7B2025-09-30 · $3.8B2025-12-31 · $3.7B2026-03-31 · $3.7B

Last 4 quarters · from SEC filings.

Key metrics

Net margin
12.1%
Return on equity
18.3%
Return on assets
4.0%
Revenue growth (QoQ)
-0.8%
Net-income growth
1.3%
Tangible book value
$9.4B
Cash & investments
$2.5B
Stock comp / revenue
0.4%

Insider transactions · last 18 months

DateInsiderTypeSharesPrice
2026-06-03BERKLEY WILLIAM RGrant3.1K—
2026-06-03Rusbuldt Robert AlanGrant3.1K—
2026-06-03Augostini Christopher LGrant3.1K—
2026-06-03BLAYLOCK RONALD EGrant3.1K—
2026-06-03Talisman JonathanGrant3.1K—
2026-06-03Ferre Maria LuisaGrant3.1K—
2026-06-03Mattson Marie AngelaGrant3.1K—
2026-06-03BERKLEY WILLIAM R JRGrant3.1K—
2026-06-03Mosley Daniel LynnGrant3.1K—
2026-06-03Farrell Mary CGrant3.1K—
2026-03-03MITSUI SUMITOMO INSURANCE CO LTDBuy39K$71.60
2026-03-03MITSUI SUMITOMO INSURANCE CO LTDBuy73K$72.52
2026-03-02MITSUI SUMITOMO INSURANCE CO LTDBuy45K$72.29
2026-03-02MITSUI SUMITOMO INSURANCE CO LTDBuy101K$73.20
2026-02-27MITSUI SUMITOMO INSURANCE CO LTDBuy147K$71.63
2026-02-26MITSUI SUMITOMO INSURANCE CO LTDBuy145K$71.65
2026-02-26MITSUI SUMITOMO INSURANCE CO LTDBuy7.5K$72.11
2026-02-25MITSUI SUMITOMO INSURANCE CO LTDBuy14K$71.77
2026-02-25MITSUI SUMITOMO INSURANCE CO LTDBuy155K$71.39
2026-02-24MITSUI SUMITOMO INSURANCE CO LTDBuy62K$71.28
2026-02-24MITSUI SUMITOMO INSURANCE CO LTDBuy103K$70.52
2026-02-23MITSUI SUMITOMO INSURANCE CO LTDBuy16K$71.80
2026-02-23MITSUI SUMITOMO INSURANCE CO LTDBuy204K$71.09
2026-02-20MITSUI SUMITOMO INSURANCE CO LTDBuy161K$70.80
2026-02-19MITSUI SUMITOMO INSURANCE CO LTDBuy301K$70.53
2026-02-19MITSUI SUMITOMO INSURANCE CO LTDBuy44K$71.50
2026-02-18MITSUI SUMITOMO INSURANCE CO LTDBuy240K$70.58
2026-02-18MITSUI SUMITOMO INSURANCE CO LTDBuy45K$70.96
2026-02-17MITSUI SUMITOMO INSURANCE CO LTDBuy281K$71.19
2026-02-13MITSUI SUMITOMO INSURANCE CO LTDBuy15K$69.73
2026-02-13MITSUI SUMITOMO INSURANCE CO LTDBuy4.3K$70.30
2026-02-13MITSUI SUMITOMO INSURANCE CO LTDBuy280$71.18
2026-02-12MITSUI SUMITOMO INSURANCE CO LTDBuy2.4K$72.76
2026-02-12MITSUI SUMITOMO INSURANCE CO LTDBuy18K$71.88
2026-02-11MITSUI SUMITOMO INSURANCE CO LTDBuy9.3K$69.59
2026-02-11MITSUI SUMITOMO INSURANCE CO LTDBuy3.6K$70.50
2026-02-11MITSUI SUMITOMO INSURANCE CO LTDBuy11K$71.45
2026-02-10MITSUI SUMITOMO INSURANCE CO LTDBuy12K$69.92
2026-02-10MITSUI SUMITOMO INSURANCE CO LTDBuy22K$69.09
2026-02-09MITSUI SUMITOMO INSURANCE CO LTDBuy4.0K$70.32
2026-02-09MITSUI SUMITOMO INSURANCE CO LTDBuy36K$69.27
2026-02-06MITSUI SUMITOMO INSURANCE CO LTDBuy16K$70.46
2026-02-06MITSUI SUMITOMO INSURANCE CO LTDBuy4.3K$71.39
2026-02-05MITSUI SUMITOMO INSURANCE CO LTDBuy6.5K$70.79
2026-02-05MITSUI SUMITOMO INSURANCE CO LTDBuy13K$71.25
2026-02-04MITSUI SUMITOMO INSURANCE CO LTDBuy22K$70.25
2026-02-04MITSUI SUMITOMO INSURANCE CO LTDBuy2.6K$69.77
2026-02-03MITSUI SUMITOMO INSURANCE CO LTDBuy8.3K$67.75
2026-02-03MITSUI SUMITOMO INSURANCE CO LTDBuy32K$68.87
2026-02-02MITSUI SUMITOMO INSURANCE CO LTDBuy237K$67.71
2026-02-02MITSUI SUMITOMO INSURANCE CO LTDBuy13K$68.42
2026-01-30MITSUI SUMITOMO INSURANCE CO LTDBuy195K$68.36
2026-01-29MITSUI SUMITOMO INSURANCE CO LTDBuy262K$68.08
2026-01-29MITSUI SUMITOMO INSURANCE CO LTDBuy28K$68.56
2026-01-28MITSUI SUMITOMO INSURANCE CO LTDBuy280K$67.58
2026-01-28MITSUI SUMITOMO INSURANCE CO LTDBuy29K$67.89
2026-01-27MITSUI SUMITOMO INSURANCE CO LTDBuy800$65.86
2026-01-27MITSUI SUMITOMO INSURANCE CO LTDBuy12K$66.87
2026-01-27MITSUI SUMITOMO INSURANCE CO LTDBuy326K$67.40
2026-01-27MITSUI SUMITOMO INSURANCE CO LTDBuy8.6K$68.56
2026-01-27MITSUI SUMITOMO INSURANCE CO LTDBuy2.7K$69.04
2026-01-26MITSUI SUMITOMO INSURANCE CO LTDBuy294K$66.86
2026-01-26MITSUI SUMITOMO INSURANCE CO LTDBuy76K$67.88
2026-01-23MITSUI SUMITOMO INSURANCE CO LTDBuy201K$66.77
2026-01-23MITSUI SUMITOMO INSURANCE CO LTDBuy167K$67.18
2026-01-22MITSUI SUMITOMO INSURANCE CO LTDBuy330K$67.45
2026-01-21MITSUI SUMITOMO INSURANCE CO LTDBuy59K$66.95
2026-01-21MITSUI SUMITOMO INSURANCE CO LTDBuy261K$67.60
2026-01-20MITSUI SUMITOMO INSURANCE CO LTDBuy265K$67.75
2026-01-20MITSUI SUMITOMO INSURANCE CO LTDBuy45K$68.08
2026-01-16MITSUI SUMITOMO INSURANCE CO LTDBuy241K$68.03
2026-01-16MITSUI SUMITOMO INSURANCE CO LTDBuy59K$68.79
2026-01-15MITSUI SUMITOMO INSURANCE CO LTDBuy167K$68.67
2026-01-15MITSUI SUMITOMO INSURANCE CO LTDBuy68K$69.45
2026-01-14MITSUI SUMITOMO INSURANCE CO LTDBuy208K$69.23
2026-01-14MITSUI SUMITOMO INSURANCE CO LTDBuy22K$68.80
2026-01-13MITSUI SUMITOMO INSURANCE CO LTDBuy206K$68.15
2026-01-13MITSUI SUMITOMO INSURANCE CO LTDBuy119K$67.82
2026-01-12MITSUI SUMITOMO INSURANCE CO LTDBuy256K$68.73
2026-01-09MITSUI SUMITOMO INSURANCE CO LTDBuy106K$69.56
2026-01-09MITSUI SUMITOMO INSURANCE CO LTDBuy161K$68.48
2026-01-09MITSUI SUMITOMO INSURANCE CO LTDBuy8.2K$70.12
2026-01-08MITSUI SUMITOMO INSURANCE CO LTDBuy4.2K$68.79
2026-01-08MITSUI SUMITOMO INSURANCE CO LTDBuy152K$70.32
2026-01-08MITSUI SUMITOMO INSURANCE CO LTDBuy39K$69.69
2026-01-07MITSUI SUMITOMO INSURANCE CO LTDBuy255K$68.47
2026-01-07MITSUI SUMITOMO INSURANCE CO LTDBuy10K$69.20
2026-01-06MITSUI SUMITOMO INSURANCE CO LTDBuy92K$70.21
2026-01-06MITSUI SUMITOMO INSURANCE CO LTDBuy123K$69.93
2026-01-05MITSUI SUMITOMO INSURANCE CO LTDBuy11K$69.20
2026-01-05MITSUI SUMITOMO INSURANCE CO LTDBuy154K$70.78
2026-01-05MITSUI SUMITOMO INSURANCE CO LTDBuy36K$70.23
2026-01-02MITSUI SUMITOMO INSURANCE CO LTDBuy238K$69.35
2025-12-31MITSUI SUMITOMO INSURANCE CO LTDBuy230K$70.27
2025-12-30MITSUI SUMITOMO INSURANCE CO LTDBuy205K$70.83
2025-12-29MITSUI SUMITOMO INSURANCE CO LTDBuy205K$70.77
2025-12-26MITSUI SUMITOMO INSURANCE CO LTDBuy220K$70.56
2025-12-24MITSUI SUMITOMO INSURANCE CO LTDBuy220K$70.51
2025-12-23MITSUI SUMITOMO INSURANCE CO LTDBuy2.0K$71.15
2025-12-23MITSUI SUMITOMO INSURANCE CO LTDBuy233K$70.31
2025-12-22MITSUI SUMITOMO INSURANCE CO LTDBuy40K$69.97
2025-12-22MITSUI SUMITOMO INSURANCE CO LTDBuy162K$70.33
2025-12-19MITSUI SUMITOMO INSURANCE CO LTDBuy204K$69.50
2025-12-18SHIEL JAMES GGift1.2K—
2025-12-18MITSUI SUMITOMO INSURANCE CO LTDBuy204K$69.38
2025-08-15Welt Philip SGrant16K—
2025-08-15Welt Philip STax withheld678$71.23
2025-08-15Baio Richard MarkGrant16K—
2025-08-15Baio Richard MarkTax withheld744$71.23
2025-08-15BERKLEY WILLIAM R JRGrant112K—
2025-08-15BERKLEY WILLIAM RGrant112K—
2025-08-15BERKLEY WILLIAM RTax withheld4.3K$71.23
2025-08-15BERKLEY WILLIAM R JRTax withheld4.7K$71.23
2025-08-15SHIEL JAMES GGrant16K—
2025-08-15SHIEL JAMES GTax withheld744$71.23
2025-08-15Sgaglione Lucille TGrant16K—
2025-08-15Sgaglione Lucille TTax withheld717$71.23
2025-06-11BERKLEY WILLIAM RGrant2.8K—
2025-06-11Mosley Daniel LynnGrant2.8K—
2025-06-11Mattson Marie AngelaGrant2.8K—
2025-06-11Ferre Maria LuisaGrant2.8K—
2025-06-11Talisman JonathanGrant2.8K—
2025-06-11Farrell Mary CGrant2.8K—
2025-06-11BERKLEY WILLIAM R JRGrant2.8K—
2025-06-11BLAYLOCK RONALD EGrant2.8K—
2025-06-11Augostini Christopher LGrant2.8K—
2025-06-11Rusbuldt Robert AlanGrant2.8K—
2025-01-08SHIEL JAMES GGift208K—

All non-derivative Form 4 activity (SEC), newest first.

Supply chain

Customers (0)

    Suppliers (4)

    • A.M. Best Company, Inc.
    • Fitch Ratings
    • Moody's
    • Standard & Poor's

    Named in the 10-K; linked when we track them.

    Notable events (8-K)

    DateItems
    2026-06-26Exec/director changefiling ↗
    2026-06-11Material agreementDebt obligationExhibitsfiling ↗
    2026-06-10OtherExhibitsfiling ↗
    2026-06-05Shareholder votefiling ↗
    2026-04-21ResultsExhibitsfiling ↗
    2026-01-26ResultsExhibitsfiling ↗
    2025-12-05OtherExhibitsfiling ↗
    2025-10-20ResultsExhibitsfiling ↗

    Recent filings

    FormFiledPeriodAccession
    8-K2026-06-262026-06-260000011544-26-000030 ↗
    8-K2026-06-112026-06-090000011544-26-000020 ↗
    8-K2026-06-102026-06-090000011544-26-000016 ↗
    8-K2026-06-052026-06-030000011544-26-000013 ↗
    10-Q2026-05-012026-03-310000011544-26-000011 ↗
    8-K2026-04-212026-04-210000011544-26-000008 ↗
    10-K2026-02-272025-12-310000011544-26-000005 ↗
    8-K2026-01-262026-01-260000011544-26-000003 ↗
    8-K2025-12-052025-12-050001193125-25-308800 ↗
    10-Q2025-11-032025-09-300000011544-25-000032 ↗
    8-K2025-10-202025-10-200000011544-25-000030 ↗
    10-Q2025-08-042025-06-300000011544-25-000024 ↗