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Company Profile

AON insider trades (13 months) →

Today's multi-factor rank: 320 of 466 · see the ranking

Aon plc (AON): Quantitative Analysis

Aon plc (AON) — Financial Services — Insurance Brokers. AON is in the S&P 500 today. Model factor scores and market data, recalculated every trading day.

So far in 2026, AON has returned −15.5% against +12.2% for the S&P 500 (SPY): total return, dividends included on both sides, from Dec 31, 2025 to Sep 18, 2026.

AON ranks 320 of 466 on today's multifactor score, and 50 of the 57 Financial Services companies that score. Its strongest factor is quality (Z 0.10, ranked 169 of 473); its weakest is momentum (Z -0.56, ranked 355 of 497). Each factor ranks only the companies with data for it, and the multifactor score only those with all four: that is why the totals differ.

Factor scores

The Z-Score is how many standard deviations the company sits from the index average: 0 is average, positive is better than average, negative is worse.

FactorZ-ScoreRank
Multifactor-0.182320 of 466 ↑1
Momentum-0.556355 of 497 ↑6
Value-0.228276 of 494 ↓2
Quality0.095169 of 473 =
Growth-0.040195 of 494 =

Market data

MetricValue
Price$295.64
Market Cap62.71B
P/E16.32
Revenue (last 12 months)17.58B
Price / book6.53
Book value per share$45.27
52-week range$293.00 – $382.34
Dividend yield1.11%
Beta0.66
Average volume1,542,841
Shares outstanding212.13M
Short interest (% of float)1.80% (as of Aug 31, 2026)

When does AON report earnings? 12 of its last 12, before the open →

What are AON insiders doing? 82 transactions filed with the SEC, of them 2 buys and 6 sells, the last one on Sep 2, 2026 →

Data as of Sep 18, 2026. Source: point-in-time SEC fundamentals and closing prices. Method and formulas are on the home page.

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S&P 500 market gravity