Market Cap
$58.7B
AON
Aon plc
$270.90 ▼ -1.83%
Prev close $275.95Market cap$58.7B
ConsensusHold
12-mo target$377.11 (+39.2%)
▲ Bullish
Analyst conviction 6/10
High Impact Filing (7/10) Traditional Finance
Snapshot
The big-picture read on AON right now — valuation, ownership and activity at a glance.
Cap Size
Large Cap
Analyst Consensus
Buy (59%)
Insider Activity
$6.5M buy / $1.7M sell
Insider Net $
$4.9M
Social Sentiment
56° Neutral
SEC Reports
5
Congressional
3 trades
Price chart 30d -18.1%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
No data for this timeframe.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 28, 2026 other
Sep 4, 2026 SEC Aon Launches Power Lifecycle Program to Support Conventional Gas Power Projects Powering Digital Infrastructure Growth
New multiline insurance solution offers up to $2.5 billion in coverage across construction and opera
Aon director Lester B. Knight made a significant open-market purchase of ~20,000 shares totaling ~$6.55M on September 2,
INSIDER-BUY — Impact 5/10
Sep 2, 2026 Insider
KNIGHT LESTER B bought 1,739 shares
Director @ $325.63 ($566.3K)
Sep 2, 2026 Insider
KNIGHT LESTER B bought 4,145 shares
Director @ $328.34 ($1.4M)
Sep 2, 2026 Insider
Aug 31, 2026 SEC KNIGHT LESTER B bought 7,212 shares
Director @ $327.52 ($2.4M)
Aon plc announced a definitive agreement to acquire USI Advantage Corp. for $17.0 billion in cash ($16.7B net of tax att
8-K — Impact 7/10
Aon announced the immediate departure of CFO Edmund Reese and appointment of Nadin Virani as Interim CFO, while reaffirm
PRESS-RELEASE — Impact 5/10
Mar 25, 2026 Congress
Michael McCaul sell
$15,001 - $50,000 — House
Analyst ratings buy % -16.9%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
59% rate it Buy or better · 27 analysts
Recent analyst actions
| Date | Firm | Action | Rating | Firm rating |
|---|---|---|---|---|
| Oct 1, 2026 | JP Morgan | MAINTAIN | Overweight | 55% |
| Sep 16, 2026 | Mizuho | MAINTAIN | Outperform | 52% |
| Sep 14, 2026 | TD Cowen | MAINTAIN | Buy | 56% |
| Sep 2, 2026 | Evercore ISI Group | MAINTAIN | Outperform | 59% |
| Sep 1, 2026 | BMO Capital | MAINTAIN | Market Perform | 53% |
| Sep 1, 2026 | Keefe, Bruyette & Woods | MAINTAIN | Outperform | 58% |
| Sep 1, 2026 | Piper Sandler | MAINTAIN | Neutral | 54% |
| Sep 1, 2026 | Mizuho | MAINTAIN | Outperform | 52% |
| Sep 1, 2026 | Wells Fargo | MAINTAIN | Overweight | 54% |
| Sep 1, 2026 | Cantor Fitzgerald | MAINTAIN | Overweight | 49% |
Monthly consensus history
| Period | Str. Buy | Buy | Hold | Sell | Str. Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | 4 | 12 | 10 | 1 | 0 | 59% | |
| Aug 1, 2026 | 4 | 14 | 9 | 2 | 0 | 62% | |
| Jul 1, 2026 | 4 | 15 | 8 | 2 | 0 | 66% | |
| Jun 1, 2026 | 4 | 15 | 8 | 2 | 0 | 66% | |
| May 1, 2026 | 4 | 15 | 7 | 2 | 0 | 68% | |
| Apr 1, 2026 | 4 | 14 | 8 | 2 | 0 | 64% | |
| Mar 1, 2026 | 4 | 14 | 8 | 2 | 0 | 64% | |
| Feb 1, 2026 | 4 | 14 | 8 | 2 | 0 | 64% |
Price targets
Where 19 covering analysts think AON trades over the next 12 months.
$377.11 +39.2% upside Strong Buy
Current$270.90 Low$264.00 Median$383.00 High$435.00 19 analysts
$264.00$435.00
Analyst rating Buy· 2.1/5 as of Oct 2, 2026
Social media sentiment mood -12.0%
Retail-investor mood aggregated across social media. 0° = very bearish, 100° = very bullish.
56°
Neutral
BearishNeutralBullish
Recent posts
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
5 SEC filing reports analyzed · 2 bullish, 0 bearish, 1 mixed, 2 neutral · avg impact 4.8/10.
BULLISHINSIDER-BUY5/10
Aon director Lester B. Knight made a significant open-market purchase of ~20,000 shares totaling ~$6
Sep 4, 2026
BULLISH8-K7/10
Aon plc announced a definitive agreement to acquire USI Advantage Corp. for $17.0 billion in cash ($
Aug 31, 2026
MIXEDPRESS-RELEASE5/10
Aon announced the immediate departure of CFO Edmund Reese and appointment of Nadin Virani as Interim
Aug 17, 2026
NEUTRAL8-K5/10
Aon reported Q2 2026 results with total revenue of $4.246B (+2% YoY), 5% organic revenue growth, and
Jul 29, 2026
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 28, 2026
other
Aon Launches Power Lifecycle Program to Support Conventional Gas Power Projects Powering Digital Infrastructure Growth
New multiline insurance solution offers up to $2.5 billion in coverage across construction and operations for utility and digital infrastructure clien
Sep 7, 2026
dark_pool
Dark Pool: AON — 3.6M shares, 75,843 trades
Week starting 2026-09-07. Total ATS volume: 3,564,862 shares across 75,843 trades.
Sep 3, 2026
routine
Aon to Speak at the KBW Insurance Conference
DUBLIN, Sept. 3, 2026 /PRNewswire/ -- Greg Case, Chief Executive Officer of Aon plc (NYSE: AON), a leading global professional services firm, will spe
Sep 2, 2026
short_volume
Short Volume: AON — 64.1% short (0.6M / 0.9M)
Short: 571,616 | Exempt: 425 | TRF Vol: 891,880 | Short Ratio: 64.1% | Off-exchange volume (dark pool + OTC)
Sep 1, 2026
ftd
FTD: AON — 3,642 shares ($1.2M) failed to deliver
Settlement: 20260901, Price: $321.52, FTD Value: $1,170,975.84, AON PLC ORD SHS CL A NEW (IRL)
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
| Period | EPS Est. | Range | Growth | 30d Rev | Up/Dn | Revenue | # |
|---|---|---|---|---|---|---|---|
| Current Q | $3.33 | $3.12–$3.47 | 9.2% | -1.4% | 2↑ 10↓ | $4.1B | 21 |
| Next Q | $5.01 | $4.38–$5.49 | 3.4% | -4.0% | 2↑ 11↓ | $4.5B | 20 |
| Current FY | $18.63 | $17.92–$19.13 | 9.2% | -1.4% | 1↑ 13↓ | $17.9B | 22 |
| Next FY | $20.25 | $18.87–$21.46 | 8.7% | -4.6% | 1↑ 11↓ | $21.6B | 18 |
Current-quarter EPS estimate — revision history
| When | EPS estimate | Change vs now |
|---|---|---|
| Current | $3.332 | — |
| 7d ago | $3.357 | -0.025 |
| 30d ago | $3.378 | -0.047 |
| 60d ago | $3.405 | -0.073 |
| 90d ago | $3.409 | -0.078 |
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
17 insiders, 50 transactions. Net $4.9M — $6.5M bought, $1.7M sold.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 2, 2026 | KNIGHT LESTER B | Director | BUY | 1,739 | $325.63 | $566.3K |
| Sep 2, 2026 | KNIGHT LESTER B | Director | BUY | 4,145 | $328.34 | $1.4M |
| Sep 2, 2026 | KNIGHT LESTER B | Director | BUY | 7,212 | $327.52 | $2.4M |
| Sep 2, 2026 | KNIGHT LESTER B | Director | BUY | 1,440 | $329.69 | $474.8K |
| Sep 2, 2026 | KNIGHT LESTER B | Director | BUY | 5,097 | $326.53 | $1.7M |
| Sep 2, 2026 | KNIGHT LESTER B | Director | BUY | 367 | $330.51 | $121.3K |
| Jul 28, 2026 | Zeidel Darren | General Counsel | SELL | 700 | $376.00 | $263.2K |
| Jul 28, 2026 | Zeidel Darren | General Counsel | SELL | 475 | $380.00 | $180.5K |
| Jul 28, 2026 | Zeidel Darren | General Counsel | SELL | 725 | $378.00 | $274.1K |
| Jul 17, 2026 | Zeidel Darren | General Counsel | SELL | 650 | $372.00 | $241.8K |
Congressional trades
AON trades disclosed by members of Congress, with disclosure delay.
1 members · 0 buys / 3 sells
| Date | Member | Party | Chamber | Type | Amount | Asset | Disclosed |
|---|---|---|---|---|---|---|---|
| Mar 25, 2026 | Michael McCaul | R | HOUSE | SELL | $15,001 - $50,000 | Aon PLC | Apr 10, 2026(17d) |
| Mar 12, 2026 | Michael McCaul | R | HOUSE | SELL | $15,001 - $50,000 | Aon PLC | Apr 10, 2026(30d) |
| Mar 4, 2026 | Michael McCaul | R | HOUSE | SELL | $15,001 - $50,000 | Aon PLC | Apr 10, 2026(38d) |
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for AON.
Shares short
3,695,919
Settlement Sep 15, 2026
Change vs prior
-2.2%
Semi-monthly cycle
Days to cover
1.8
At avg daily volume
Of shares outstanding
≈1.7%
Estimate — not % of float
All AON filing & press-release reports (5)
- INSIDER-BUY reportSep 4, 2026
- 8-K reportAug 31, 2026
- PRESS-RELEASE reportAug 17, 2026
- 8-K reportJul 29, 2026
- DEFA14A reportApr 28, 2026