13F Pro Quality Score

71.8/100

Rank #245 of 2,879 stocksTOP 10%

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Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

61.5/100

Profitability

97.9/100

Balance Sheet

65.8/100

Earnings Quality

59.6/100

Free Cash Flow

98.3/100

Institutional Flow

49.2/100

Revenue Scale

38.8/100

Dilution Risk

79.7/100

WRB Stock Analysis & AI Quality Score

AI stock analysis and institutional research for BERKLEY W R CORP (WRB), a Financials sector company. 13F Pro's AI-powered ranking engine scores WRB at 71.8/100 on a 32-signal composite quality model, placing it at rank #245 of 2,879 stocks — the top 10% of the AI-ranked universe. WRB scores in the top quartile across free cash flow (98.3), profitability (97.9). Areas of concern include revenue scale (38.8), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), BERKLEY W R CORP reports quarterly revenue of $3.7B, net income of $515.2M, an operating margin of 16.7%. Top institutional holders of WRB by reported 13-F value include Mitsui Sumitomo Insurance Co Ltd, BlackRock,, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. WRB trades on the NYSE exchange and files with the SEC under CIK 11544. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate WRB daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for BERKLEY W R CORP directly from SEC EDGAR. BERKLEY W R CORP's 13F Pro composite quality score has ranged between 60 and 82 since 2021, currently 71.8 — an improving long-term trajectory across 28 quarterly and live scoring snapshots.

Fun facts about BERKLEY W R CORP

Quirks, history, and lore behind WRB — the kind of stuff that makes a stock memorable.

  • 1
    The Basics
    U.S. financial services company · operates in the specialty insurance space · listed on the NYSE · headquartered in Connecticut.
  • 2
    The Numbers
    Annual revenues in the range of $10–11 billion, with a combined ratio that regularly sits below 100 — meaning it actually makes money underwriting, not just investing.
  • 3
    The History
    Founded in the early 1970s, it was built on the philosophy that disciplined underwriting beats chasing market share — a contrarian idea in an industry addicted to growth.
  • 4
    The Secret
    It operates through more than 50 largely autonomous subsidiaries, each targeting a specific niche — think excess and surplus lines, professional liability, and reinsurance.
  • 5
    The Lore
    Founder William R. Berkley is still the executive chairman and remains one of the most quoted voices in insurance on pricing discipline — the man loves a hard market.
  • 6
    The Giveaway
    The ticker is literally the founder's initialsWRB — and the company name is just his surname with a first initial attached.
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What's Driving WRB's Business? Latest 10-Q Breakdown

34/34 datapoints verified

AI-extracted from BERKLEY W R CORP's 10-Q filed 2026-05-01 — Q1 2026 (quarter ended March 31, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

Net income surged 23% to $515M on higher investment income and favorable underwriting, with combined ratio improving to 90.7% from 90.9%.

Biggest Revenue Drivers

Total revenue: $3,690M+4% YoY

Net premiums earned$3,115M+3% YoY

Driven by gross premium growth of 3% to $3,786M, reflecting rate increases of 6.6% and higher volume in insurance segment.

Net investment income$404M+12% YoY

Larger fixed maturity securities portfolio and increased investment fund earnings, with fixed maturity yield stable at 4.9%.

Revenues from non-insurance businesses$157M+22% YoY

Aviation-related business gains from plane sales, partially offset by reduction in textile business.

Largest Expense Items

Losses and loss expenses$1,936M+2% YoY

Loss ratio 62.1% vs 63.1% prior year; catastrophe losses $76M vs $111M; underlying loss ratio ex-cat/PYCR up 30bps.

Policy acquisition and insurance operating expenses$889M+6% YoY

Expense ratio 28.6% vs 27.8%; increase driven by business investments and Reinsurance segment earned premium decline.

Expenses from non-insurance businesses$136M+8% YoY

Aviation-related cost of goods sold and operating expenses increased, partially offset by textile business reduction.

Margins: Consolidated combined ratio improved 20bps to 90.7%, with Insurance segment holding steady at 92.2% despite higher expenses, and Reinsurance segment strengthening to 78.6% from 85.4% due to lower catastrophe losses and favorable reserve development.

Watch Items from the Filing

  • Adverse prior year development in other liability ($8M in Q1 2026) concentrated in accident years 2019–2023, driven by social inflation in auto-related claims and increased litigation costs, offset only modestly by short-tail favorable development.
  • Reinsurance & Monoline Excess gross premiums declined 9% YoY; casualty reinsurance down 13% and property down 17%, indicating potential exposure to market softness in that segment.
  • Fixed maturity portfolio includes $212.8M aggregate fair value of non-investment grade securities in unrealized loss position (93 securities), with foreign government segment carrying 59 securities and $174.7M unrealized loss driven partly by currency headwinds.
  • MSI owns 15.8% of WRB common stock excluding deferred comp shares; MSI designee nominated to board; related-party reinsurance transactions totaled $15M ceded premiums and $118.5M ceded written premiums to Lifson Re in Q1 2026.

AI-extracted and verified against SEC EDGAR filing text. Not investment advice.

Revenue

Q1 2026

$3.7B

Net Income

Q1 2026

$515.2M

Free Cash Flow

Q1 2026

$667.9M

Operating Margin

Q1 2026

16.7%

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+7.8% YoY
$14.71BFY 2025
FY22 $11.17BFY23 $12.14BFY24 $13.64BFY25 $14.71B

Net Income

+1.3% YoY
$1.78BFY 2025
FY22 $1.38BFY23 $1.38BFY24 $1.76BFY25 $1.78B

EPS (Diluted)

+2.1% YoY
$4.45FY 2025
FY22 $3.29FY23 $3.37FY24 $4.36FY25 $4.45

Total Assets

+8.6% YoY
$43.93BFY 2025
FY22 $33.86BFY23 $37.20BFY24 $40.45BFY25 $43.93B

Op. Cash Flow

-2.6% YoY
$3.58BFY 2025
FY22 $2.57BFY23 $2.93BFY24 $3.68BFY25 $3.58B

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Available Research

13F Pro tracks comprehensive data for BERKLEY W R CORP including:

SEC EDGAR filings (10-K, 10-Q, 8-K)
XBRL financial facts (revenue, EPS, margins)
Insider transactions (Form 4)
Institutional 13F holdings
Quality rankings (32 signals)
AI analyst debates & daily meetings
Historical financial trends
Peer comparison & sector analysis

Top Institutional Holders of WRB

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Is WRB a good stock to buy?

13F Pro's AI-powered analysis of BERKLEY W R CORP (WRB) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Financials sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for WRB are available on the WRB stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own WRB?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling WRB. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of BERKLEY W R CORP's investment landscape.