AON is the ticker symbol for Aon plc, a publicly traded Financials sector company listed on NYSE. 13F Pro tracks AON with AI-powered analysis, an AI quality score, SEC EDGAR financials, insider transactions, and institutional 13F holdings — all sourced directly from public SEC filings.

Is AON a good stock to buy?

13F Pro's AI ranking engine scores AON at 75.0/100, ranked #101 of 2,925 stocks on a composite quality score built from its SEC filings, covering profitability, growth, balance sheet strength, and free cash flow. The full AI verdict and bull/bear case for AON is available at https://13fpro.ai/company/AON. Not investment advice — review the underlying SEC filings before making any trade.

Where does 13F Pro source AON data?

All Aon plc fundamentals and ownership data come directly from SEC EDGAR. Aon plc files with the SEC under CIK 315293. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

Aon plc AON

NYSELarge CapFinancials

InternationalScored off the official board: an annual-only filer, so this data lags a domestic quarterly filer.

13F Pro quality score

Rank #101 of 2,925TOP 5%

Why it scores 75 Financials peers →

Rankings refresh quarterly once 80% of peers have filed. Next update: ~Nov 14, 2026.

Revenue

$4.25B

Quarter to Jun 30

Net income

$551.00M

Quarter to Jun 30

Free cash flow

$483.00M

Quarter to Jun 30

Operating margin

21.6%

Quarter to Jun 30

Top Institutional Holders

as of Q2 2026

$63.74B total

BlackRock, Inc.

$5.21B-2.7%

VANGUARD CAPITAL MANAGEMENT LLC

$4.51B+0.2%

JPMORGAN CHASE & CO

$3.99B+115.8%

Capital World Investors

$3.88B+2.0%

STATE STREET CORP

$3.12B+2.1%

DODGE & COX

$2.85B+5.9%

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

$2.58B-8.9%

VANGUARD PORTFOLIO MANAGEMENT LLC

$2.39B+58.0%

MORGAN STANLEY

$2.06B-2.5%

GEODE CAPITAL MANAGEMENT, LLC

$1.71B-1.2%

Bank of New York Mellon Corp

$1.06B-3.9%

PRICE T ROWE ASSOCIATES INC /MD/

$1.04B+144.9%

NORGES BANK

$927.66M--

Mitsubishi UFJ Asset Management Co., Ltd.

$913.45M+9.4%

Independent Franchise Partners LLP

$877.96M+2.3%

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$867.29M+227.9%

DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt

$748.22M-23.5%

Boston Partners

$695.75M+6.9%

NORTHERN TRUST CORP

$676.82M-2.0%

AQR CAPITAL MANAGEMENT LLC

$623.01M+94.5%

WCM INVESTMENT MANAGEMENT, LLC

$614.48M-3.9%

Artisan Partners Limited Partnership

$613.83M+12.6%

GOLDMAN SACHS GROUP INC

$580.06M+10.4%

Neuberger Berman Group LLC

$561.08M-8.9%

BANK OF AMERICA CORP /DE/

$538.99M+2.7%

See all 1,272 institutional holders →

What's Driving AON's Business? Latest 10-Q Breakdown

20/20 datapoints verified

AI-extracted from the 10-Q filed 2026-07-29 — Q2 FY2026 (quarter ended June 30, 2026). Every figure is machine-verified against the filing text on SEC EDGAR.

Aon reported Q2 2026 revenue of $4.2B (+2% YoY) with 5% organic growth; operating income rose to $915M and diluted EPS increased to $8.22 for H1 2026 from $7.10 YoY.

Biggest Revenue Drivers

Risk Capital$3.0B+5% YoY

5% organic revenue growth driven by net new business and strong retention in both Commercial Risk and Reinsurance Solutions.

Human Capital$1.2B-4% YoY

Decline primarily due to sale of NFP Wealth business; organic revenue growth was 5% across Health and Wealth solutions.

Biggest Revenue Drivers

Total revenue: $4.2B+2% YoY

Risk Capital$3.0B+5% YoY

5% organic revenue growth driven by net new business and strong retention in both Commercial Risk and Reinsurance Solutions.

Within Risk Capital

Commercial Risk Solutions$2.3B+5% YoY

Growth in EMEA and North America, highlighted by strong U.S. core P&C and double-digit construction growth.

Reinsurance Solutions$711M+3% YoY

5% organic growth from treaty placements, facultative placements, and Strategy and Technology Group.

Human Capital$1.2B-4% YoY

Decline primarily due to sale of NFP Wealth business; organic revenue growth was 5% across Health and Wealth solutions.

Largest Expense Items

Compensation and benefits$2,271M-4% YoY

Lower expenses from NFP Wealth sale and restructuring savings, partially offset by expenses for organic growth and long-term investments.

Amortization and impairment of intangible assets$174M-13% YoY

Decrease due to lower intangible assets following NFP Wealth business sale.

Other general expense$494M+32% YoY

Increase primarily due to absence of non-recurring gains from prior-year portfolio sales, partially offset by lower NFP Wealth expenses.

Information technology$162M+19% YoY

Increase driven by Aon Business Services investments in ongoing technology initiatives.

Margins: Operating margin improved to 21.5% from 20.7% YoY, driven by 5% organic revenue growth and $25M restructuring savings. Adjusted operating margin increased to 28.9% from 28.2%, reflecting strong organic growth partially offset by technology investments.

Watch Items from the Filing

Vesttoo litigation and regulatory exposure: pending Delaware bankruptcy court complaint and Bermuda regulatory matters related to fraudulent letters of credit; Q4 2023 settlement provisions of $197M with $23M recovery in Q3 2025, exposure remains uncertain.
NFP Wealth divestiture impact: -4% headwind to total revenue from divestitures; Human Capital organic growth masked by 18% reported decline in Wealth Solutions.
Debt maturity schedule: $1.7B short-term debt due within 12 months including $600M 2.850% notes due May 2027, $600M 5.125% notes due March 2027, and $521M 8.205% notes due January 2027.
OECD Pillar Two tax implementation uncertainty: Ireland, U.K., Singapore, and multiple EU member states implementing global minimum tax; potential volatility to effective tax rate in 2026 and beyond.

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

Read the full 10-Q on SEC EDGAR →

Key Metrics

Revenue

Q2 2026

EDGAR

Net Income

Q2 2026

EDGAR

EPS (Diluted)

Q2 2026

EDGAR

Operating Margin

Q2 2026

EDGAR

ROIC

Q2 2026

EDGAR

Free Cash Flow

Q2 2026

EDGAR

Debt/Equity

Q2 2026

EDGAR

Financial Trends

Revenue & Net Income

13fpro.ai/company/AON

Earnings Per Share

13fpro.ai/company/AON

Loading ratio trend…

Period	Form	Revenue	Net income	Op. marginOperating margin
FY 2025	10-K	$17.2B	$3.7B	25.3%
FY 2024	10-K	$15.7B	$2.7B	24.4%
FY 2023	10-K	$13.4B	$2.6B	28.3%
FY 2022	10-K	$12.5B	$2.6B	29.4%
FY 2021	10-K	$12.2B	$1.3B	17.1%
FY 2020	10-K	$11.1B	$2.0B	25.1%

Aon plc AON

Top Institutional Holders

What's Driving AON's Business? Latest 10-Q Breakdown

Biggest Revenue Drivers

Biggest Revenue Drivers

Largest Expense Items

Watch Items from the Filing

Key Metrics

Financial Trends

Revenue & Net Income

Earnings Per Share

AON key financials by period

AON insiders

Congress trading in AON

About Aon plc (AON): stock profile, AI score and financials

Aon plc AON

Top Institutional Holders

What's Driving AON's Business? Latest 10-Q Breakdown

Biggest Revenue Drivers

Key Metrics

Financial Trends

Revenue & Net Income

Earnings Per Share

AON key financials by period

Companies similar to AON

AON insiders

Congress trading in AON

About Aon plc (AON): stock profile, AI score and financials