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Who owns Berkley W R (WRB) stock

907 funds reported Berkley W R (WRB) shares in their latest 13F filings, worth $22.0B in all. The largest holder is Mitsui Sumitomo Insurance ($4.1B). Last quarter 395 funds added to their stakes and 372 cut them. Members of Congress and other officials disclosed 11 trades (0 buys, 11 sales).

Largest holders of WRB (13F)Largest holders of WRB (13F)Mitsui Sumitomo Insurance$4.1BVanguard Group$2.6BBlackRock$1.5BVanguard Capital Management LLC$1.3BVanguard Portfolio Management LLC$1.0BState Street$1.0BGeode Capital Management, LLC$588MMorgan Stanley$582MKayne Anderson Rudnick Investment…$450MInvesco$355M

Largest holders (13F)

FundSharesValueChangeQuarter
Mitsui Sumitomo Insurance58,780,450$4.1Bunchanged2026-06-30
Vanguard Group37,033,581$2.6Bincrease2025-12-31
BlackRock21,934,626$1.5Bdecrease2026-06-30
Vanguard Capital Management LLC18,690,969$1.3Bdecrease2026-06-30
Vanguard Portfolio Management LLC14,550,971$1.0Bdecrease2026-06-30
State Street14,126,628$1.0Bdecrease2026-06-30
Geode Capital Management, LLC8,268,721$588Mincrease2026-06-30
Morgan Stanley8,252,790$582Mdecrease2026-06-30
Kayne Anderson Rudnick Investment Management LLC6,377,064$450Mdecrease2026-06-30
Invesco5,028,284$355Mdecrease2026-06-30
Goldman Sachs Group4,158,216$293Mincrease2026-06-30
Dimensional Fund Advisors LP4,041,846$285Mincrease2026-06-30
Wells Fargo3,720,958$262Mdecrease2026-06-30
AQR Capital Management LLC3,680,160$260Mincrease2026-06-30
First Trust Advisors LP3,624,858$256Mdecrease2026-06-30

Trades by Congress and other officials

DateWhoTradeAmount
2026-06-05Gilbert Cisnerospartial sale$1K–$15K
2026-05-29Gilbert Cisnerospartial sale$1K–$15K
2026-05-19Gilbert Cisnerospartial sale$1K–$15K
2026-05-14Gilbert Cisnerospartial sale$1K–$15K
2026-05-13Gilbert Cisnerospartial sale$1K–$15K
2026-05-12Gilbert Cisnerospartial sale$1K–$15K
2026-05-07Gilbert Cisnerospartial sale$1K–$15K
2026-03-18Gilbert Cisnerospartial sale$1K–$15K
2026-01-20Gilbert Cisnerospartial sale$1K–$15K
2026-01-06Gilbert Cisnerospartial sale$1K–$15K

Berkley W R's latest quarter

Berkley W R, Q3 2026: revenue $3.7B (-0.8% year over year), operating margin 15.4%, net earnings $448M, operating cash flow $731M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most WRB stock?

By the latest 13F filings: Mitsui Sumitomo Insurance ($4.1B); Vanguard Group ($2.6B); BlackRock ($1.5B); Vanguard Capital Management LLC ($1.3B); Vanguard Portfolio Management LLC ($1.0B).

Has Congress traded WRB stock?

Officials disclosed 11 trades on file: 0 buys and 11 sales. The latest: Gilbert Cisneros, partial sale on 2026-06-05.

What is the short interest in WRB?

12,123,696 shares were sold short at the 2026-10-15 settlement, -7.47% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.