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WRB · Analysis updated Nov 10, 2026, 6:00 PM ET
Why is W.R. Berkley Corporation (WRB) stock moving?
WRB's Q3 2026 report showed solid underlying performance: operating EPS rose 6.4% to $1.17, nine-month operating EPS reached $3.73 versus $3.20, and the current accident year combined ratio before catastrophes was 88.1%. Net investment income grew to $383.5M on a 12.0% core portfolio increase, and average rate increases excluding workers' compensation were about 4.0%. Reported profitability was weaker: net EPS fell to $1.14 from $1.28, ROE dropped to 18.4% from 24.3%, and premium growth slowed to 4.9% gross and 3.2% net for the insurance segment. The price fell from $75.55 on Oct 22 to a $71.63 close on Oct 28 after heavy volume on Oct 23 (2.98M shares), then recovered to $76.83 on Nov 10, with volume tapering to about 1.5M to 1.9M shares a day. The Nov 2 shelf prospectus has no disclosed size, so it adds little directional information. Overall the news flow is mixed, with operating strength offset by slower growth and lower reported returns.
News behind the analysis
- W. R. Berkley Corporation Reports Third Quarter 2026 ResultsQ3 operating income rose 6.4% to $1.17 per diluted share, with a 18.8% operating ROE and an insurance pre-tax underwriting income gain of 10.6%. Net income per diluted share fell to $1.14 from $1.28, and ROE was 18.4% versus 24.3%.
- 10-QQuarterly report filed with the SEC. The filing text was not included in the input, so no details from it are used here.
- W.R. Berkley Files Shelf Prospectus For Offering; Size Not DisclosedWRB filed a shelf prospectus for a possible future offering. The offering size was not disclosed, so no specific capital raise is confirmed.
- $100 Invested In WR Berkley 15 Years Ago Would Be Worth This Much TodayBenzinga reports WRB outperformed the market by 1.61% annualized over 15 years, with a 14.15% average annual return and a market capitalization of $28.56 billion.
About W.R. Berkley Corporation
W. R. Berkley is a Greenwich, Connecticut insurance holding company founded in 1967. It is one of the largest commercial insurers in the US and runs dozens of specialised, largely independent operating units. Japan's Mitsui Sumitomo Insurance bought about 15% of its voting stock in 2026.
How it makes money
Most of its revenue comes from premiums on commercial property and casualty insurance. That includes specialty and excess & surplus lines, workers' compensation and professional liability. Gross premiums written are roughly $15–16 billion a year, and the Insurance segment brings in the large majority of them. A smaller Reinsurance & Monoline Excess segment adds more premiums. The company also earns investment income, roughly $1.5 billion a year, from investing the premiums it holds before claims are paid. Profit depends on underwriting income (premiums minus claims and expenses) plus that investment income.
What usually moves WRB
- Commercial insurance pricing and premium growth
- Catastrophe and claims losses, including reserve changes
- Interest rates and net investment income
- Social inflation and liability claim costs
- Capital returns such as buybacks and special dividends