Aon plc· AON

🇺🇸 US · LargeSP500NYSE

Financial Services Insurance - Brokers Website

Price: $295.64
Day: -0.14%
Mkt Cap: $62.71B
52W Range: $293.00 – $382.34
Volume: 3.18M
Beta: 0.66

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Smart Money: 4.0 / 5 (Bullish), from 3 of 3 components
Institutions Q2 2026: 1,288 institutions hold; 607 added, 462 reduced
Insiders Q3 2026: 6 purchases ($6.5M), 7 sales ($1.7M)

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Aon plc

AON|Financial Services|Insurance - Brokers

Current price: $296

Smart Money

Dimension 5 of 5

Insider selling pace · Q3 2026

N/A

insufficient history to compare

Seller breadth · Q3 2026

1 seller

vs 1.0 avg per quarter

Institutional net breadth · Q2 2026

+150

746 adding vs 596 reducing

Institutional ownership · Q2 2026

90.8%

1,288 institutions

Insider Selling Pace

Each quarter's selling vs this stock's own trailing 6-quarter average

Light <0.5xRoutineElevated >1.5xHeavy >3xBuying

Institutional Positions

Institutions adding above the line, reducing below, net as a line

NewIncreasedReducedClosedNet

Largest Institutional Holders, Q2 2026

By reported market value, and how each moved in the quarter

Holder

Change

BLACKROCK, INC.

15.7M

-2.4%

VANGUARD CAPITAL MANAGEMENT LLC

13.6M

+0.4%

JPMORGAN CHASE & CO

12.2M

+116.3%

CAPITAL WORLD INVESTORS

11.7M

+2.3%

STATE STREET CORP

9.4M

+2.4%

DODGE & COX

8.6M

+6.1%

ETF & Fund Activity, Q2 2026

How the covering funds split between buying, holding and selling

198

39 buying198 unchanged43 selling

186 funds held AON in Q2 2026, holding 63.2M shares between them, down 12.2% on the quarter.

Largest fund holders

FPA FUNDS TRUST515.1K sh

NEXPOINT FUNDS I15.0K sh

SOURCE CAPITAL INC /DE/13.3K sh

Notable Insider Transactions, Q3 2026

Largest open-market purchases and sales by value in the last eight quarters

Sale · Nov 5

Zeidel Darren

$2.6M

Purchase · Sep 2

KNIGHT LESTER B

$2.4M

Purchase · Sep 2

KNIGHT LESTER B

$1.7M

Insider transactions from SEC Form 4 filings; institutional holdings from quarterly 13F filings, which are reported with a lag and can overlap between filers. 13F: quarterly institutional holdings report · ETF: Exchange-Traded Fund

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

Explore AON on stockoscope.com→

Generated September 20, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

AON Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

4.0/5

Bullish

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

+75

Institutional Flow

50% weight

+36

Fund Flow

10% weight

Overall Smart Money sentiment of 4.0/5 (Bullish) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated September 19, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Selling Pace for AON

Each quarter's selling vs the stock's own trailing 6-quarter average; 1.0x is typical for this stock. Green triangles mark quarters with insider buying.

Very Bullish

Strong insider buying in Q3 2026

Major: 6 purchases totaling $6.5M (20.0K shares)

7 sales totaling $1.7M (4.5K shares)

Limited history to compare against

All sales came from a single insider

N/A

Selling pace

insufficient history to compare

0.52%

Stake sold

of active insiders' holdings

1 seller

Seller breadth

all sales from one insider

$6.5M

Insider buying

1 buyer in Q3 2026

Notable Recent Transactions, AON

Top 8 highest-value insider trades from the last 8 quarters

Zeidel Darren

General Counsel

Sell

7,570 shares at $344.42

≈26.1% of their stake at the time

Nov 5, 2025$2.61M

KNIGHT LESTER B

Director

Buy

7,212 shares at $327.52

≈4.6% of their stake after buying

Sep 2, 2026$2.36M

KNIGHT LESTER B

Director

Buy

5,097 shares at $326.53

≈3.4% of their stake after buying

Sep 2, 2026$1.66M

Zeidel Darren

General Counsel

Sell

5,040 shares at $325.79

≈19.9% of their stake at the time

Feb 17, 2026$1.64M

Zeidel Darren

General Counsel

Sell

4,300 shares at $329.72

≈21.2% of their stake at the time

Feb 26, 2026$1.42M

KNIGHT LESTER B

Director

Buy

4,145 shares at $328.34

≈2.6% of their stake after buying

Sep 2, 2026$1.36M

KNIGHT LESTER B

Director

Buy

4,000 shares at $319.24

≈2.8% of their stake after buying

Feb 10, 2026$1.28M

KNIGHT LESTER B

Director

Buy

1,739 shares at $325.63

≈1.2% of their stake after buying

Sep 2, 2026$566.27K

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Positions for AON

Institutions adding (new + increased) above zero, reducing (reduced + closed) below, net as a line

New Increased Reduced Closed Net (adding − reducing)

Bullish Signal

Institutions accumulating in Q2 2026

90.8% institutional ownership

Slight accumulation: 746 adding vs 596 reducing

13F shares increased by 3.3%, a notable change

+150

Net breadth

746 adding vs 596 reducing

Accumulating

1.25

Add / reduce ratio

in Q2 2026

New − closed

139 initiated, 134 exited

6 of 10

Top holders adding

largest holders with a known change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+746 growing-596 shrinkingNet: +150

139

607

462

134

New (139)

Increased (607)

Reduced (462)

Closed (134)

Top Institutional Holders, AON

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

15.7M

$5.2B

Ownership

7.35%

-2.4%

VANGUARD CAPITAL MANAGEMENT LLC

13.6M

$4.5B

Ownership

6.36%

+0.4%

JPMORGAN CHASE & CO

12.2M

$4.0B

Ownership

5.70%

+116.3%

CAPITAL WORLD INVESTORS

11.7M

$3.9B

Ownership

5.48%

+2.3%

STATE STREET CORP

9.4M

$3.1B

Ownership

4.40%

+2.4%

DODGE & COX

8.6M

$2.9B

Ownership

4.02%

+6.1%

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

7.6M

$2.6B

Ownership

3.56%

-8.7%

VANGUARD PORTFOLIO MANAGEMENT LLC

7.2M

$2.4B

Ownership

3.37%

+58.4%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 280 ETFs and mutual funds reporting

39 buying43 sellingNet: -4

198

Buying (39)

Unchanged (198)

Selling (43)

In total, funds bought 3.8M shares and sold 11.5M this quarter. Each fund counts once in the bar above, whatever the size of its move.

Neutral

Mixed fund activity in Q2 2026

280 ETFs and mutual funds reporting

39 buying vs 43 selling (balanced)

Top Fund Holders, AON

Largest 8 ETF and mutual fund positions by shares held, each fund's latest filing

FPA FUNDS TRUST

515.1K

Weight

81.11%

Jul 31, 2026No change

NEXPOINT FUNDS I

15.0K

Weight

0.55%

Jun 30, 2026No change

SOURCE CAPITAL INC /DE/

13.3K

Weight

0.67%

Jun 30, 2026Decreased

LIBERTY ALL STAR GROWTH FUND INC.

12.8K

Weight

8.34%

Jun 30, 2026No change

NEIMAN FUNDS

10.1K

Weight

2.79%

Jun 30, 2026Decreased

CORNERSTONE TOTAL RETURN FUND INC

7.0K

Weight

6.12%

Jun 30, 2026No change

Absolute Shares Trust

5.8K

Weight

1.56%

Jun 30, 2026No change

Victory Portfolios II

5.4K

Weight

0.01%

Jun 30, 2026Increased

Aon plc· AON

Holdings Analysis

Insider Trading Activity

1.3Transaction History98Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings182Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History98Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings182Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights