CIK: 11544
Ticker: WRB-PH
Exchange: NYSE
BERKLEY W R CORP

Address: 475 Steamboat Road, Greenwich, CT 06830

α Alpha 0.7300↭ Flow 0.3800Mixed Active/Passive285 holdings38 quarters

📊 Score Breakdown — Alpha: 0.7300 / Flow: 0.3800click to expand ▼

315holdings (Q4 2025)
$2.13B13F reported value
+86 NEW+72 INCREASED-49 DECREASED-37 EXITED71 UNCHANGED

Total (Q4 25): $2,125,345,226

Top Holdings by Value

Position Changes (Q4 vs Q3)

Top 15 Positions ($)

Historical AUM (13F Reported)

$1.80B+$0.23B QoQ

Portfolio Value History (13F Reported)

Quarterly 13F portfolio value. QoQ change reflects value of disclosed long equity positions (new buys, sells, and price movements combined).

QuarterPortfolio ValueQoQ ChangeQoQ %
Q4 25$2.13B+$0.39B+22.5%
Q3 25$1.74B$-0.17B-9.0%
Q2 25$1.91B+$0.20B+11.5%
Q1 25$1.71B$-0.81B-32.1%
Q4 24$2.52B+$0.75B+42.6%
Q3 24$1.76B$-0.61B-25.7%
Q2 24$2.38B+$0.57B+31.7%
Q1 24$1.80B+$0.42B+30.3%
Q4 23$1.38B$-0.15B-10.0%
Q3 23$1.54B$-0.12B-7.4%
Q2 23$1.66B+$0.08B+5.4%
Q1 23$1.58B——

QoQ = (quarter 13F value − prior quarter value) ÷ prior quarter value. Includes position changes, new buys, and exits. Not investment advice.

Information for Viewing 13F Reports:
  1. Name: The name of the company.
  2. CUSIP: A unique 9-character alphanumeric code that identifies a specific stock or security in the U.S.
  3. Class: The investment company's series name. A registered investment company may have multiple series, each with a separate securities portfolio.
  4. Value: The monetary value of the holdings in USD.
  5. Shares: The number of shares held.
  6. Share Price: The price of shares at the time of filing.
  7. Investment: The type of investment.
  8. % of Portfolio: The percentage that this position represents in the total portfolio.
QuarterPeriod of ReportHoldingsValueTypeFilling DateFilling ID
Q4 2531-Dec-2025285$2,125,345,22613F-HR13-Feb-20260000899140-26-000194
Q3 2530-Sep-2025235$1,735,023,37813F-HR14-Nov-20250000899140-25-001317
Q2 2530-Jun-2025227$1,906,688,79213F-HR14-Aug-20250000899140-25-000995
Q1 2531-Mar-2025158$1,709,624,12313F-HR15-May-20250000899140-25-000708
Q4 2431-Dec-2024154$2,517,350,34313F-HR14-Feb-20250000899140-25-000325
Q3 2430-Sep-2024153$1,764,821,14613F-HR14-Nov-20240000899140-24-001277
Q2 2430-Jun-2024153$2,375,745,00413F-HR14-Aug-20240000899140-24-000892
Q1 2431-Mar-2024155$1,804,258,45413F-HR15-May-20240000899140-24-000612
Q4 2331-Dec-2023195$1,384,602,06713F-HR14-Feb-20240000899140-24-000232
Q3 2330-Sep-2023213$1,538,697,24913F-HR14-Nov-20230000899140-23-001106
Q2 2330-Jun-2023220$1,661,969,31313F-HR14-Aug-20230000899140-23-000895
Q1 2331-Mar-2023236$1,577,358,80713F-HR15-May-20230000899140-23-000649
Q4 2231-Dec-2022338$1,850,403,31813F-HR14-Feb-20230000899140-23-000415
Q3 2230-Sep-2022512$2,061,466,00013F-HR14-Nov-20220001567619-22-020054
Q2 2230-Jun-2022553$2,015,844,00013F-HR15-Aug-20220001567619-22-016236
Q1 2231-Mar-2022573$1,958,142,00013F-HR16-May-20220001567619-22-010985
Q4 2131-Dec-2021572$1,812,681,00013F-HR14-Feb-20220001567619-22-004452
Q3 2130-Sep-2021444$1,487,183,00013F-HR15-Nov-20210001567619-21-020480
Q3 2130-Sep-20211$442,00013F-HR/A14-Feb-20220001567619-22-004450
Q2 2130-Jun-2021380$1,004,612,00013F-HR16-Aug-20210001567619-21-015904
Q1 2131-Mar-2021336$867,647,00013F-HR17-May-20210001567619-21-010528
Q4 2031-Dec-2020171$602,820,00013F-HR16-Feb-20210001567619-21-004029
Q3 2030-Sep-2020134$679,830,00013F-HR16-Nov-20200001567619-20-019887
Q2 2030-Jun-2020102$747,848,00013F-HR14-Aug-20200001567619-20-015503
Q2 2030-Jun-20205$6,988,00013F-HR/A16-Nov-20200001567619-20-019892
Q1 2031-Mar-2020110$797,164,00013F-HR15-May-20200001567619-20-010553
Q1 2031-Mar-20205$26,620,00013F-HR/A14-Aug-20200001567619-20-015508
Q1 2031-Mar-20205$25,295,00013F-HR/A16-Nov-20200001567619-20-019889
Q4 1931-Dec-20196$31,867,00013F-HR/A15-May-20200001567619-20-010571
Q4 1931-Dec-20192$3,982,00013F-HR/A14-Aug-20200001567619-20-015521
Q4 1931-Dec-20192$20,229,00013F-HR/A16-Nov-20200001567619-20-019894
Q4 1931-Dec-2019100$492,728,00013F-HR14-Feb-20200001567619-20-004030
Q3 1930-Sep-201990$513,578,00013F-HR14-Nov-20190001567619-19-021607
Q3 1930-Sep-20191$3,517,00013F-HR/A15-May-20200001567619-20-010567
Q3 1930-Sep-20191$3,335,00013F-HR/A14-Aug-20200001567619-20-015514
Q3 1930-Sep-201912$80,937,00013F-HR/A14-Feb-20200001567619-20-004047
Q2 1930-Jun-201911$57,635,00013F-HR/A14-Nov-20190001567619-19-021610
Q2 1930-Jun-201995$481,974,00013F-HR14-Aug-20190001567619-19-017008
Q2 1930-Jun-20198$44,116,00013F-HR/A14-Feb-20200001567619-20-004050
Q1 1931-Mar-20192$4,279,00013F-HR/A14-Nov-20190001567619-19-021611
Q1 1931-Mar-20199$29,757,00013F-HR/A14-Aug-20190001567619-19-017013
Q1 1931-Mar-201979$434,363,00013F-HR15-May-20190001567619-19-011246
Q1 1931-Mar-20191$4,422,00013F-HR/A14-Feb-20200001567619-20-004038
Q4 1831-Dec-201878$429,589,00013F-HR14-Feb-20190001567619-19-004436
Q4 1831-Dec-20181$3,470,00013F-HR/A14-Nov-20190001567619-19-021609
Q4 1831-Dec-20182$4,367,00013F-HR/A14-Aug-20190001567619-19-017011
Q4 1831-Dec-20186$20,583,00013F-HR/A15-May-20190001567619-19-011256
Q3 1830-Sep-201813$134,488,00013F-HR/A14-Feb-20190001567619-19-004444
Q3 1830-Sep-201885$508,903,00013F-HR14-Nov-20180001567619-18-006352
Q3 1830-Sep-20181$5,987,00013F-HR/A15-May-20190001567619-19-011253
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