Equity · Financial Services
AON
NYSEAon plc
The line runs 357 USD on 3 August through 315.64 USD on 28 October, on a scale from 250 to 400. Days the market did not trade hold the previous close, flat.
- Market cap
- 67.0B USD
- P/E (TTM)
- 17.3
- Revenue, year to Dec 2025
- 17.2B USD
- EPS, diluted, year to Dec 2025
- 17.02 USD
- 52-week range
- 269.53 USD – 381.34 USD
- Avg volume
- 118.3K
- Mentions, 30 days
- 6
- Net sentiment
- +0.22
as of Oct 28, 2026
Have AON insiders bought or sold shares recently?
In the 90 days to 30 Oct 2026, AON insiders reported 1 open-market purchase and no sales (SEC Form 4).
Form 4, 90 days to 30 Oct 2026, newest reported trade 2 Sep 2026
Buys 1Sells 0Net bought $6.55MOther filings 0
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 02 Sep 2026 | KNIGHT LESTER BDirector | Buy | 20,000 | 6.5M USD |
Which funds hold AON?
13 of the 45 institutional funds we track reported a AON position for the quarter ended 30 Jun 2026 — a combined 1.5B USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| AQR Capital Management | Added | 1,905,800 | 623.0M USD | +94.5% |
| Viking Global Investors | Held (±25%) | 1,151,269 | 381.9M USD | +5.9% |
| Baupost Group | Held (±25%) | 687,000 | 227.9M USD | −10.7% |
| Millennium Management | Added | 312,198 | 103.6M USD | +1,462.9% |
| Balyasny Asset Management | Held (±25%) | 198,061 | 65.7M USD | −11.7% |
| Man Group | Held (±25%) | 110,868 | 36.8M USD | −20.4% |
| Citadel Advisors | Added | 105,569 | 35.0M USD | +31.5% |
| Tudor Investment Corp | Held (±25%) | 47,785 | 15.8M USD | −21.7% |
| Marshall Wace | New position | 46,582 | 15.5M USD | |
| D. E. Shaw & Co. | Trimmed | 34,765 | 11.5M USD | −72.9% |
Showing the 10 largest of 13 reported positions. The figures above count all of them.
Have members of Congress traded AON?
The most recent congressional trade disclosed in AON is a purchase by Thomas H. Kean, Jr. (house, NJ), dated 27 May 2025.
STOCK Act disclosures
| Traded | Member | Type | Amount | Filed after |
|---|---|---|---|---|
| 27 May 2025 | Thomas H. Kean, Jr.house · Republican–NJ | Purchase | 1K USD–15K USD | 21 days |
| 06 May 2024 | Thomas H. Kean, Jr.house · Republican–NJ | Purchase | 1K USD–15K USD | 43 days |
| 25 May 2023 | Zoe Lofgrenhouse · Democrat–CA | Sale | 1K USD–15K USD | 12 days |
| 06 Mar 2023 | Daniel S. Goldmanhouse · Democrat–NY | Purchase | 15K USD–50K USD | 42 days |
| 12 Sep 2016 | Herbert C. Conaway, Jr.house · Democrat–NJ | Sale | 1K USD–15K USD | 30 days |
What has been filed or recorded for AON?
The filings we hold for AON, newest first: 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 30 Sep 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 30 Sep 2026 | Quarterly earnings | Q3 2026 reported | EPS 2.23 USD | |
| 30 Sep 2026 | Financials | Total assets | 65.1B USD | at period end |
| 30 Sep 2026 | Financials | Total equity | 10.1B USD | at period end |
| 30 Jun 2026 | Quarterly earnings | Q2 2026 reported | EPS 2.58 USD | |
| 31 Mar 2026 | Quarterly earnings | Q1 2026 reported | EPS 5.63 USD | |
| 31 Dec 2025 | Annual report | FY 2025 reported | EPS 17.02 USD | |
| 31 Dec 2025 | Financials | Revenue | 17.2B USD | fiscal year |
| 31 Dec 2025 | Financials | Net income | 3.7B USD | fiscal year |
| 31 Dec 2025 | Financials | Diluted EPS | 17.02 USD | fiscal year |
| 30 Sep 2025 | Quarterly earnings | Q3 2025 reported | EPS 2.11 USD | |
| 30 Jun 2025 | Quarterly earnings | Q2 2025 reported | EPS 2.66 USD | |
| 31 Mar 2025 | Quarterly earnings | Q1 2025 reported | EPS 4.43 USD | |
| 31 Dec 2024 | Annual report | FY 2024 reported | EPS 12.49 USD |
What is Reddit saying about AON?
Reddit mentioned AON 6 times in the 30 days to 30 October 2026, across 3 of the communities we track. All of them were scored for sentiment: 83% read bullish, 0% bearish and 17% neither. Reddit data updated 30 October 2026.
30-day window, Method
Mentions, 30 days 6Bullish 83%Bearish 0%Communities 3Against the market +29 points
How do Reddit mentions of AON compare with its price?
Share ↗
Where AON is discussed
30 days
| Community | Share | Mentions | Net sentiment |
|---|---|---|---|
| r/wallstreetbets | 67% | 4 | +0.22 |
| r/investing | 17% | 1 | +0.33 |
| r/stocks | 17% | 1 | +0.08 |
AON: frequently asked questions
What did AON shares close at?
AON closed at 315.64 USD on 28 Oct 2026, up 4.39% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is AON’s market cap?
AON is worth 67.0B USD by market value as of 28 Oct 2026, which is the share price times the shares on issue from its SEC filings.
What is AON’s P/E ratio?
AON has a price-to-earnings ratio of 17.3, as of 28 Oct 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.
What is AON’s revenue?
AON reported revenue of 17.2B USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings
Have AON insiders bought or sold shares recently?
In the 90 days to 30 Oct 2026, AON insiders reported 1 open-market purchase and no sales (SEC Form 4). See Insiders
Which funds own AON?
13 of the 45 funds we track reported a AON position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were AQR Capital Management, Viking Global Investors and Baupost Group. See Funds
Have members of Congress traded AON?
Yes. 5 trades in AON appear in the congressional disclosures we hold; the latest is a purchase by Thomas H. Kean, Jr. (House, NJ) dated 27 May 2025, filed 17 Jun 2025. Amounts are disclosed as ranges, and a filing can follow the trade by up to 45 days. See Congress
When did AON last report earnings?
AON last reported earnings on 30 Sep 2026 for Q3 2026, with EPS of 2.23 USD; no next date is announced in SEC filings yet. See Filings
What is Reddit saying about AON?
AON was mentioned 1 times in the last 7 days across the finance subreddits we track, and 6 times over the trailing 30 days. Of the 6 mentions scored for sentiment, 83% read bullish and 0% bearish. That is a social signal, not investment advice. See Reddit
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), most closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- House disclosuresU.S. House of Representatives financial disclosures
- SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings