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BERKLEY W R CORP

WRBNYSE
$69.77+0.79 (+1.15%)as of Oct 5, 2026
Legend
Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds
bought vs sold
Greener markers show more buyers; redder markers show more sellers.
Company share activityNet buybacksNo changeNet dilution
Marker size reflects transaction size.
  • Insider buy
  • Insider sell
  • Congress buy
  • Congress sell
  • Hedge Funds bought vs sold
Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

  • Insider Buy
  • Insider Sell
  • Congress Buy
  • Congress Sell
  • Hedge funds bought vs sold
  • BuybackNo changeNet dilution

BERKLEY W R CORP price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-9.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding

Largest institutional holders

13F · Q2 2026
Fund% of company heldValue% of portfolioQuarterly activity
Mitsui Sumitomo Insurance Co Ltd15.84%$4.15B100.00%Not reported
BlackRock, Inc.5.91%$1.55B0.02%Not reported
Vanguard Capital Management LLC5.04%$1.32B0.03%Not reported
Vanguard Portfolio Management LLC3.92%$1.03B0.05%Not reported
State Street Corp3.81%$1B0.03%Not reported
Geode Capital Management, LLC2.23%$588M0.03%Not reported
Morgan Stanley2.22%$582M0.03%Not reported
Kayne Anderson Rudnick Investment Management LLC1.72%$450M1.40%Reduce 17.95%
Invesco Ltd.1.36%$355M0.03%Not reported
Goldman Sachs Group Inc1.12%$293M0.03%Not reported
Dimensional Fund Advisors LP1.09%$285M0.05%Not reported
Wells Fargo & Company1.00%$262M0.04%Not reported
AQR Capital Management LLC0.99%$260M0.09%Not reported
First Trust Advisors LP0.98%$256M0.15%Reduce 8.76%
Norges Bank0.85%$222M0.02%Not reported
Bank of America Corp0.77%$201M0.01%Not reported
UBS Group AG0.76%$200M0.03%Not reported
Arrowstreet Capital, Limited Partnership0.70%$183M0.08%Not reported
Northern Trust Corp0.69%$180M0.02%Not reported
1832 Asset Management L.P.0.62%$162M0.08%Not reported
JPMorgan Chase & Co0.58%$153M0.01%Not reported
Polar Capital Holdings Plc0.57%$150M0.35%Reduce 6.37%
Royal London Asset Management Ltd0.57%$149M0.27%Reduce 7.41%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC0.55%$144M0.03%Not reported
Two Sigma Investments, LP0.54%$142M0.10%Not reported
Charles Schwab Investment Management Inc0.52%$135M0.02%Not reported
Vanguard Fiduciary Trust Co0.44%$115M0.03%Not reported
Legal & General Group Plc0.43%$113M0.02%Not reported
Madison Asset Management, LLC0.40%$106M1.26%Reduce 7.48%
Citadel Advisors LLC0.40%$104M0.01%Not reported
Natixis Advisors, LLC0.40%$103M0.12%Add 8.71%
Principal Financial Group Inc0.39%$103M0.05%Not reported
FMR LLC0.39%$102M0.00%Not reported
Barclays PLC0.39%$102M0.02%Not reported
Bank of New York Mellon Corp0.36%$95M0.02%Not reported
Chilton Investment Co Inc.0.36%$94.5M2.27%Reduce 3.52%
Cornerstone Investment Partners, LLC0.36%$94.2M3.15%Not reported
Deutsche Bank Ag\0.35%$92.1M0.03%Not reported
Jones Financial Companies LLLP0.34%$89.8M0.04%Not reported
Royal Bank of Canada0.34%$88.7M0.01%Not reported
Anchor Capital Advisors LLC0.28%$73M2.05%Reduce 8.69%
Confluence Investment Management LLC0.28%$72.8M1.14%Reduce 7.33%
Raymond James Financial Inc0.27%$70M0.02%Not reported
BNP Paribas Financial Markets0.26%$68.4M0.02%Not reported
Millennium Management LLC0.25%$66M0.02%Not reported
Bristol Gate Capital Partners Inc.0.25%$64.7M4.51%New Not reported
EULAV Asset Management0.24%$63.9M2.04%Reduce 26.33%
Jane Street Group, LLC0.24%$61.8M0.01%Not reported
Envestnet Asset Management Inc0.22%$58.6M0.01%Not reported
Cerity Partners LLC0.22%$57.5M0.07%Not reported
50 of 897 holders

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