‹ All questions

AIG vs W. R. Berkley: which stock is doing better?

AIG and W. R. Berkley are business rivals. Where they compete: specialty commercial P&C, excess and surplus lines. Here is how the two stocks, and the businesses behind them, compare over the past year.

Updated Oct 9, 2026

26
AIG P3

AIG ahead

On Stox’s P3 score, which combines market beat, staying power and business growth, AIG rates 26 and W. R. Berkley 12. Over the past year AIG is −8% and W. R. Berkley −8%, against +16% for the S&P 500. W. R. Berkley has grown revenue faster, +7% against −2%. By type, AIG is a Bottom Fished and W. R. Berkley a Broken Year.

AIG P3 26WRB P3 12Both in Insurance

The past year

AIG against WRB, each set to $100 a year ago. Select a measure in the table below to chart it for both.

AIG against WRB, past year
$100 a year ago. AIG −8%, WRB −8%.
90100110NovDecJanFebMarAprMayJunJulAugSepOct
AIGWRB

AIG and WRB side by side

Ahead marks the stronger reading on each line; for the typical day and the deepest fall it marks the steadier stock. Select a row with a chart to see both over the year.

MeasureAIGWRBAhead
Past 3 months
Share price change
−4%−3%WRB
Past month
Share price change
+3%+3%Level
Revenue growth
Past four quarters against the year before
−2%+7%WRB
Operating margin
Operating profit as a share of revenue, past four quarters
15%16%WRB
Deepest fall
From a high, past year
−17%−19%AIG, held up
Market value
What the market values the company at
$40.8B$26.8B
Type
Its Stox Atlas type
Bottom FishedBroken Year
Group
Stocks it moves with
InsuranceInsuranceSame group

How to read this page

How it’s measured. Scores from Stox rank each stock against about 1,200 large US stocks and funds, where 100 is best; P3 combines market beat, staying power and business growth. Returns are share-price changes. The typical day is the average true range over 14 days as a share of the price, averaged over the past year.

Sources. Daily prices and company financial statements from Financial Modeling Prep; scores and curated rivals from Stox.

A higher score describes a stronger past year, not what comes next.

Rivals are chosen by the markets the two businesses compete in, not by sector labels.

For financial statements, valuation and news, see AIG and WRB on Stox.

This page is information, not investment advice. About our data and methods ›

More head-to-heads

See all questions ›