Aon (AON) Equity-to-Asset: 0.18 (As of Jun. 2026) — 38% Above Median

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Director of Data and Quant Analytics at GuruFocus
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Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

AON Aon PLC AON
92 GF Score
Price $320.69
GF Value $393.00
Valuation Modestly Undervalued
! 1 Warning Sign
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What is Aon Equity-to-Asset?

Aon AON -0.74% 92 Equity-to-Asset is 0.18 as of Jun. 2026, which is 38% above its 10-year median of 0.13. GuruFocus rates AON with a GF Score™ of 92/100 and a GF Value™ of $393.00 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 502 Insurance companies, Aon ranks worse than 67.53% on this metric.

Equity to Asset ratio is calculated as total stockholders equity divided by total asset. Aon's Total Stockholders Equity for the quarter that ended in Jun. 2026 was $9,598 Mil. Aon's Total Assets for the quarter that ended in Jun. 2026 was $53,347 Mil. Therefore, Aon's Equity to Asset Ratio for the quarter that ended in Jun. 2026 was 0.18.

The historical rank and industry rank for Aon's Equity-to-Asset or its related term are showing as below:

AON' s Equity-to-Asset Range Over the Past 10 Years
Min: -0.03   Med: 0.13   Max: 0.22
Current: 0.18

During the past 13 years, the highest Equity to Asset Ratio of Aon was 0.22. The lowest was -0.03. And the median was 0.13.

AON's Equity-to-Asset is ranked worse than
67.53% of 502 companies
in the Insurance industry
Industry Median: 0.26 vs AON: 0.18

Aon  (NYSE:AON) Equity-to-Asset Explanation

Equity to Asset ratio can vary greatly across different industries, as they have different capital structure. A company with smaller Equity to Asset ratio (more leveraged) may have higher ROE % because of the leverage.

For banks, the required minimum Equity to Asset ratio by regulation is 5%. Some stronger banks may have Equity to Asset Ratio of more than 10%.


Aon Equity-to-Asset Related Terms


Aon Equity-to-Asset Historical Data

* Premium members only.

The historical data trend for Aon's Equity-to-Asset can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Aon Equity-to-Asset Chart

Aon Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Equity-to-Asset
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.03 -0.02 -0.02 0.13 0.18

Aon Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Equity-to-Asset Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.15 0.15 0.18 0.19 0.18

AON vs AJG, MRSH, WTW: Equity-to-Asset Comparison

For the Insurance Brokers subindustry, Aon's Equity-to-Asset, along with its competitors' market caps and Equity-to-Asset data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Aon Equity-to-Asset vs Insurance Industry

For the Insurance industry and Financial Services sector, Aon's Equity-to-Asset distribution charts can be found below:

* The bar in red indicates where Aon's Equity-to-Asset falls into.


AON
92GF Score
Aon PLC AON
Equity-to-Asset is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Aon Equity-to-Asset Calculation

Equity to Asset ratio measures the ratios of the portion of the asset owned by shareholders out of the total asset. It indicates the leverage of the company, and the amount of debt the company uses in its operation.

Equity to Asset ratio is calculated by dividing total stockholders equity by total asset.

Aon's Equity to Asset Ratio for the fiscal year that ended in Dec. 2025 is calculated as

Equity to Asset (A: Dec. 2025 )=Total Stockholders Equity/Total Assets
=9352/50784
=0.18

Aon's Equity to Asset Ratio for the quarter that ended in Jun. 2026 is calculated as

Equity to Asset (Q: Jun. 2026 )=Total Stockholders Equity/Total Assets
=9598/53347
=0.18

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Equity-to-Asset →
What does a Equity-to-Asset of 0.18 mean?
Aon (AON) has a Equity-to-Asset of 0.18 as of Jun. 2026. Equity-to-asset ratio equals total company equity divided by total assets. It measures financial leverage. View historical data on Aon and its competitors. This is 38% above median its historical median of 0.13. According to the industry distribution chart, Aon ranks #339 out of 502 companies in the Insurance industry, placing it in the top 67.5%.
Is Aon's Equity-to-Asset too high?
Aon's current Equity-to-Asset of 0.18 is 38% above median its 10-year median of 0.13. The Insurance industry median Equity-to-Asset is 0.26. Aon's value of 0.18 is 30.8% below this industry median. Based on the distribution chart, Aon ranks #339 out of 502 companies in the Insurance industry, which is below the industry midpoint. Overall, Aon has a GF Score™ of 92/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Aon's Equity-to-Asset compare to AJG and MRSH?
According to the Insurance industry distribution chart, Aon ranks #339 out of 502 companies for Equity-to-Asset. This places Aon in the lower half of its industry. The industry median Equity-to-Asset is 0.26. Aon's value of 0.18 is 30.8% below this benchmark. While the company's 10-year median is 0.13 vs. the industry median of 0.26, Aon has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Equity-to-Asset for an Insurance company?
The median Equity-to-Asset among Insurance companies is 0.26, based on 502 companies in the industry. Companies in the top quartile (top 25%) have a Equity-to-Asset significantly above this median, while those in the bottom quartile fall well below. However, Equity-to-Asset should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Aon's current Equity-to-Asset of 0.18 is 30.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Equity-to-Asset mean?
A high Equity-to-Asset can signal that a stock is expensive relative to its fundamentals. Equity-to-asset ratio equals total company equity divided by total assets. It measures financial leverage. View historical data on Aon and its competitors. For the Insurance industry, the median Equity-to-Asset is 0.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aon's current Equity-to-Asset is 0.18, which is 38% above median its own 10-year median of 0.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aon stock overvalued right now?
Based on GuruFocus' analysis, Aon (AON) is currently considered Modestly Undervalued. The stock's GF Value™ is $393.00, compared to a current price of $320.69 — trading 18.4% below its estimated fair value. The current Equity-to-Asset is 0.18, which is 38% above median its 10-year median of 0.13 and 30.8% below the Insurance industry median of 0.26. Aon's overall GF Score™ is 92/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Equity-to-Asset calculated?
Equity-to-Asset is calculated from a company's financial statements. For Aon (AON), the current Equity-to-Asset is 0.18 as of Jun. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Aon (AON) Overvalued in 2026?

Based on GuruFocus' analysis, Aon stock appears to be undervalued. The current stock price of $320.69 is trading 18.4% below its estimated GF Value™ of $393.00. GuruFocus considers Aon to be Modestly Undervalued.

Key valuation signals for AON:

  • Equity-to-Asset: 0.18 (38% above median its 10-year median of 0.13)
  • GF Value™: $393.00 vs. price of $320.69 (18.4% below fair value)
  • GF Score™: 92/100 with 1 warning sign
  • Industry Position: 30.8% below the Insurance median (#339 of 502)

No single metric tells the full story. See the AON stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Aon Business Description

Address 15 George\'s Quay, Dublin 2, Dublin, IRL, D02 VR98
Aon is a leading global provider of insurance and reinsurance brokerage and human resources solutions. Its operations are tilted toward its brokerage operations. Headquartered in London, Aon has about 60,000 employees and operations in over 120 countries.
92GF Score

Get the complete analysis for AON

Equity-to-Asset is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$320.69
Price
$393.00
GF Value