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Aon plc (AON) Stock Price, News & Analysis

AON NYSE
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Price Move History

Daily moves over 5%
2 252 sessions, September 30, 2025 to September 30, 2026
Largest daily move
-9.5% close of August 31, 2026
1-year change
-22.4% closing prices, September 30, 2025 to September 30, 2026
1-month change
-22.1% closing prices, August 28, 2026 to September 30, 2026

Company Description

Aon plc (NYSE: AON) is a global professional services firm in the finance and insurance sector. While historically associated with insurance and reinsurance brokerage and human resources solutions, Aon describes its current focus as helping organizations make better decisions about risk and people. The company states that it exists "to shape decisions for the better — to protect and enrich the lives of people around the world," using analytic insight and expertise in Risk Capital and Human Capital to support clients in more than 120 countries.

Aon’s Class A ordinary shares are listed on the New York Stock Exchange under the ticker symbol AON. According to its SEC filings, Aon plc is organized in Ireland and has its registered office in Dublin. The firm also operates through subsidiaries such as Aon Corporation and Aon North America, Inc., and is a guarantor on multiple series of senior notes that are listed on the NYSE under various symbols.

Business focus and operating areas

Across its disclosures and news releases, Aon highlights two primary business pillars: Risk Capital and Human Capital. Within Risk Capital, Aon reports revenue from Commercial Risk Solutions and Reinsurance Solutions. Commercial Risk Solutions relates to property and casualty (P&C) risk, including middle market activity and services such as M&A-related risk work and construction-related risk. Reinsurance Solutions includes treaty and facultative placements, as well as advisory work through its Strategy and Technology Group and activity in insurance-linked securities.

Within Human Capital, Aon reports Health Solutions and Wealth Solutions. Health Solutions includes areas such as core health and benefits and talent analytics. Wealth Solutions includes retirement-related advisory work and investment-related services, including those associated with NFP Corp. prior to the sale of a significant majority of certain NFP wealth businesses. These segments are referenced in Aon’s quarterly financial summaries and segment revenue breakdowns.

Risk Capital capabilities

In its third-quarter 2025 results, Aon reported Risk Capital revenue from Commercial Risk Solutions and Reinsurance Solutions. The company attributes organic growth in Commercial Risk Solutions to net new business, strong client retention and performance in core P&C, including double-digit growth in the U.S., strength in the middle market, and growth in M&A services and construction. In Reinsurance Solutions, Aon cites growth in treaty placements, facultative placements, its Strategy and Technology Group and insurance-linked securities activity.

Aon’s news releases also illustrate how it develops specialized risk programs. For example, it has announced a proprietary Data Center Lifecycle Insurance Program (DCLP), described as a multi-line insurance solution designed to support data center projects from construction through ongoing operations. The program is said to integrate construction, cyber, cargo and operational risks into a coordinated insurance structure, supported by risk engineering and analytics through Aon’s Global Risk Consulting team.

Human Capital and talent-focused services

On the Human Capital side, Aon references Health Solutions and Wealth Solutions as key revenue contributors. Health Solutions organic growth is attributed to talent analytics and core health and benefits, driven by net new business and retention. Wealth Solutions growth is linked to retirement advisory work related to regulatory change and investment-related services, including work associated with NFP prior to the sale of certain wealth businesses.

Aon also partners with other organizations on labor and talent research. For instance, it co-sponsors the Semi-Annual U.S. Insurance Labor Market Study with The Jacobson Group, which it describes as providing insights on insurance labor trends and staffing outlooks. Within Aon, performance benchmarking and analytics are mentioned as part of its Strategy and Technology Group, which supports carriers and other clients in understanding performance and market conditions.

Geographic footprint and corporate structure

Aon’s SEC filings identify Aon plc as an Irish company with its registered office in Dublin, Ireland. The firm also references Aon Corporation and Aon North America, Inc. as indirect, wholly owned subsidiaries. In investor communications and press releases, Aon notes that its colleagues serve clients in over 120 countries, and that it provides locally relevant solutions supported by globally integrated capabilities in Risk Capital and Human Capital.

The company has issued and guaranteed multiple series of senior notes that are registered and listed on the New York Stock Exchange under symbols such as AON25, AON26, AON27, AON29 and others extending to longer-dated maturities. Aon Global Limited (formerly Aon plc) has also issued notes, including 2.875% Senior Notes due 2026, and has announced plans to redeem and delist those notes from the NYSE, while Aon plc remains the guarantor.

Capital allocation, governance and shareholder matters

Aon’s periodic reports and Form 8-K filings provide insight into its capital allocation and governance practices. The company reports on share repurchases under its share repurchase program and discloses quarterly cash dividends on its Class A ordinary shares, as seen in multiple dividend announcements. It also details its capital position, free cash flow and investment in long-term growth, as well as its use of Aon Business Services to drive scale efficiencies and margin expansion.

Corporate governance disclosures cover board composition, director appointments, annual general meeting results and executive employment arrangements. For example, Aon has reported on the election of directors at its annual general meeting, the approval of amendments to the Aon plc 2011 Incentive Plan, and the appointment of new board members and senior officers. It has also disclosed amendments to the employment agreement of its President and Chief Executive Officer, including term extensions and performance-based long-term incentive awards, and separation arrangements with senior advisors.

Strategic transactions and portfolio management

Aon’s filings describe portfolio management actions, including the sale of certain wealth businesses. In a Form 8-K, Aon announced a definitive agreement to sell a significant majority of the wealth businesses of its indirect subsidiary NFP Corp. — including Wealthspire Advisors, Fiducient Advisors, Newport Private Wealth and related platforms — to Madison Dearborn Partners. A subsequent Form 8-K reported the closing of that transaction. These disclosures illustrate how Aon adjusts its portfolio within its Wealth Solutions activities.

The company also reports on the delisting of specific debt securities. A Form 25 filing relates to the removal from listing and registration of 3.875% Senior Notes due 2025 from the New York Stock Exchange. Separately, Aon Global Limited has announced the planned full redemption and delisting of its 2.875% Senior Notes due 2026, with Aon plc as guarantor. These actions are part of the firm’s management of its debt capital structure.

Brand, partnerships and sponsorships

Aon uses partnerships and sponsorships to reinforce its brand around decision-making and risk. One example is the Aon Risk Reward Challenge, a season-long competition on the LPGA Tour that highlights strategic decision-making in golf. Aon and the LPGA Tour have announced winners of the Aon Risk Reward Challenge and described the competition as emphasizing risk and reward decisions on designated holes. Aon states that this initiative reflects the same focus on strategy and resilience that it promotes in its business relationships.

Across its communications, Aon emphasizes that it provides analytic insight, globally integrated expertise in Risk Capital and Human Capital, and locally relevant solutions. It positions its services as helping clients make better risk and people decisions that protect and grow their businesses, while noting that its operations and disclosures are subject to various risks and uncertainties described in its SEC filings.

Stock Performance

$275.62
-0.42%
1.15
Last updated: October 1, 2026 at 14:41
-22.4%
Performance 1 year
$58.5B

Aon plc (AON) closed at $276.77 on September 30, 2026. Over the past 12 months, the price has lost 22.4%.

See what a $1,000 investment in AON would be worth today

AON Metrics & Rankings

Price returns through September 30, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.

Insider Radar

Net Buyers
90-Day Summary
20,000
Shares Bought
4,450
Shares Sold
13
Transactions
Most Recent Transaction
KNIGHT LESTER B (Director) bought 4,145 shares @ $328.34 on September 2, 2026

Insider buying activity at Aon plc over the past 90 days may reflect management confidence in the company's direction. Institutional investors and analysts often monitor insider purchases as a potential bullish indicator for the stock.

Based on SEC Form 4 filings over the last 90 days.

Financial Highlights

Aon plc generated $17.2B in revenue in FY2025, operating income reached $4.3B (25.3% operating margin), and net income was $3.7B, reflecting a 21.5% net profit margin. Diluted earnings per share stood at $17.02. The company generated $3.5B in operating cash flow. The current ratio was 1.11, measuring current assets divided by current liabilities.

$17.2B
Revenue (FY2025)
$3.7B
Net Income (FY2025)
$3.5B
Operating Cash Flow

Upcoming Events

OCT
01
October 1, 2026 - December 31, 2026 Corporate

USI acquisition closing

Acquisition closing for USI by Aon, subject to regulatory approvals; $17.0B purchase price; expected to close in Q4 2026.
JAN
01
January 1, 2027 Corporate

Global CCO start

Jane Drummond assumes Global Chief Commercial Officer in Chicago, reports to Andy Marcell and joins Aon Executive Committee.
JAN
01
January 1, 2027 Corporate

Senior advisor transitions

Julie Page and Alejandro Galizia move from regional chairs to senior advisor roles at Aon starting Jan 1, 2027.
AUG
16
August 16, 2027 Corporate

Senior advisor end

Edmund Reese will remain as senior advisor to CEO Greg Case through 2027-08-16 to support the CFO transition at Aon.

Aon plc has 4 upcoming scheduled events. Investors can track these dates to stay informed about potential catalysts that may affect the AON stock price.

Short Interest History

Last 12 Months

Short interest in Aon plc (AON) currently stands at 3.7 million shares, down 2.2% from the previous reporting period, representing 1.8% of the float. Since October 2025, short interest has increased by 82.5%.

Days to Cover History

Last 12 Months

Days to cover for Aon plc (AON) currently stands at 1.8 days, down 60.6% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since October 2025, the figure has decreased by 22.9%. Across the settlements charted above, it has ranged from 1.0 to 4.4 days.

AON Company Profile & Sector Positioning

Aon plc (AON) operates in the Insurance Brokers industry within the broader Financial Services sector and is listed on the NYSE. Among dividend-paying stocks, AON ranks #1,802 by dividend yield.

Investors comparing AON often look at related companies in the same sector, including Arthur J. Gallagher & Co. (AJG), Marsh & McLennan Companies, Inc. (MMC), Willis Towers Watson Public Limited Company (WTW), Brown & Brown, Inc. (BRO), and Erie Indemnity Co (ERIE). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate AON's relative position within its industry.

Frequently Asked Questions

What is the current stock price of Aon plc (AON)?

The current stock price of Aon plc (AON) is $275.62 as of October 1, 2026.

What is the market cap of Aon plc (AON)?

The market cap of Aon plc (AON) is approximately $58.5B. Learn more about what market capitalization means .

What is the revenue of Aon plc (AON) stock?

The FY2025 revenue of Aon plc (AON) is $17.2B, from its most recent completed fiscal year.

What is the net income of Aon plc (AON)?

The FY2025 net income of Aon plc (AON) is $3.7B, from its most recent completed fiscal year.

What is the earnings per share (EPS) of Aon plc (AON)?

The diluted earnings per share (EPS) of Aon plc (AON) is $17.02 for FY2025, its most recent completed fiscal year. Learn more about EPS .

What is the operating cash flow of Aon plc (AON)?

The operating cash flow of Aon plc (AON) is $3.5B. Learn about cash flow.

What is the profit margin of Aon plc (AON)?

The net profit margin of Aon plc (AON) is 21.5%. Learn about profit margins.

What is the operating margin of Aon plc (AON)?

The operating profit margin of Aon plc (AON) is 25.3%. Learn about operating margins.

What is the current ratio of Aon plc (AON)?

The current ratio of Aon plc (AON) is 1.11, measuring current assets divided by current liabilities. Learn about liquidity ratios.

What is the operating income of Aon plc (AON)?

The operating income of Aon plc (AON) is $4.3B. Learn about operating income.

What does Aon plc do?

Aon plc is a global professional services firm that focuses on helping organizations make better decisions about risk and people. It describes its capabilities as combining actionable analytic insight with globally integrated Risk Capital and Human Capital expertise, delivered through locally relevant solutions to clients in more than 120 countries.

How is Aon organized from a business perspective?

In its financial reporting, Aon highlights two main areas: Risk Capital and Human Capital. Risk Capital includes Commercial Risk Solutions and Reinsurance Solutions, while Human Capital includes Health Solutions and Wealth Solutions. These areas are used in Aon’s segment revenue disclosures and commentary on organic revenue growth.

On which exchange is Aon stock listed and what is its ticker?

Aon’s Class A ordinary shares are listed on the New York Stock Exchange under the ticker symbol AON. This is confirmed in multiple Form 8-K filings and other SEC disclosures that list AON as the trading symbol for Aon plc’s Class A ordinary shares.

What are Aon’s Risk Capital activities?

Aon’s Risk Capital activities include Commercial Risk Solutions and Reinsurance Solutions. The company reports that Commercial Risk Solutions has growth driven by net new business, strong client retention and performance in core property and casualty, including middle market, M&A services and construction. Reinsurance Solutions includes treaty and facultative placements, work by its Strategy and Technology Group and activity in insurance-linked securities.

What are Aon’s Human Capital activities?

Aon’s Human Capital activities are reported through Health Solutions and Wealth Solutions. Health Solutions includes core health and benefits and talent analytics. Wealth Solutions includes retirement advisory work and investment-related services. Aon attributes organic revenue growth in these areas to net new business, strong retention and advisory work related to regulatory change and market conditions.

How does Aon describe its purpose and mission?

In its press releases, Aon states that it exists "to shape decisions for the better — to protect and enrich the lives of people around the world." It emphasizes providing clients with clarity and confidence to make better risk and people decisions that protect and grow their businesses, supported by analytic insight and integrated expertise in Risk Capital and Human Capital.

What is Aon’s Data Center Lifecycle Insurance Program (DCLP)?

Aon describes its Data Center Lifecycle Insurance Program as a proprietary, multi-line insurance solution designed to support data center projects from construction through operations. The program integrates construction, cyber, cargo and operational risks into a coordinated insurance structure and is supported by risk engineering and cyber impact modelling through Aon’s Global Risk Consulting team.

What recent portfolio actions has Aon disclosed?

Aon has disclosed a transaction to sell a significant majority of the wealth businesses of its indirect subsidiary NFP Corp.—including Wealthspire Advisors, Fiducient Advisors, Newport Private Wealth and related platforms—to Madison Dearborn Partners. A later Form 8-K reports that this transaction closed. Aon has also reported on the delisting of certain senior notes from the New York Stock Exchange.

How does Aon engage with the insurance labor market?

Aon co-sponsors the Semi-Annual U.S. Insurance Labor Market Study with The Jacobson Group. The study is described as providing insights into insurance labor trends and staffing outlooks and is used by industry leaders to inform talent initiatives and understand labor expectations amid changing market conditions.

What kinds of securities other than common shares are associated with Aon on the NYSE?

In addition to its Class A ordinary shares, Aon plc is listed as guarantor for multiple series of senior notes on the New York Stock Exchange, with symbols such as AON25, AON26, AON27, AON29 and others with maturities extending into the 2050s. Aon Global Limited and Aon North America, Inc. have issued these notes, and Aon plc’s guarantees are identified in the SEC filings.