Aon plc· AON

🇺🇸 US · LargeSP500NYSE

Financial ServicesInsurance - BrokersWebsite

Price: $356.65
Day: -0.27%
Mkt Cap: $75.65B
52W Range: $304.59 – $382.34
Volume: 757.3K
Beta: 0.70

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

Blog

stockoscope.com

Aon plc

AON|Financial Services|Insurance - Brokers

Current price: $357

Smart Money

Dimension 5 of 5

Insider Activity, Q3 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$1.7M

Net share flow-4.5K

Purchases0 ($0)

Sales7 ($1.7M)

Top Notable Transactions

Insider

Type

Value

Date

Davies Christa

Sale

$14.6M

Feb 17

Davies Christa

Sale

$12.6M

Feb 16

KNIGHT LESTER B

Purchase

$7.5M

Feb 7

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership87.5%

13F share flow-9.9%

Investors holding1.3K

+768 adding-581 reducing

142

626

411

170

New 142Inc 626Red 411Closed 170

Top Institutional Holders

Institution

Value

Change

BLACKROCK, INC.

$5.2B

-0.5%

CAPITAL WORLD INVESTORS

$3.7B

-6.3%

STATE STREET CORP

$3.0B

+0.2%

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

$2.8B

-2.2%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting99

Total shares held12.8M

Share flow-33.3%

22 buying16 selling

104

Buying 22Unchanged 104Selling 16

Top Fund Holders

Fund

Weight

Change

ADAMS DIVERSIFIED EQUITY FUND, INC.

84.8K

20.33%

See the complete picture

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

Explore AON on stockoscope.com→

Generated August 5, 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

3.1/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-15

Institutional Flow

50% weight

+14

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 3.1/5 (Neutral) 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 August 4, 2026.

Insider Trading Activity

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

Insider Activity for AON

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q3 2026

7 sales totaling $1.7M (4.5K shares)

Limited history to compare against

Buying seen in 1 of 7 quarters

Notable Recent Transactions, AON

Top 8 highest-value recent insider trades

Davies Christa

Officer

Sell

47,099 shares at $310.19

Feb 17, 2023$14.61M

Davies Christa

Officer

Sell

40,164.47 shares at $313.29

Feb 16, 2024$12.58M

KNIGHT LESTER B

Director

Buy

25,000 shares at $301.97

Feb 7, 2024$7.55M

Stevens Lisa

Officer

Sell

13,000 shares at $315.26

Feb 23, 2024$4.10M

Davies Christa

Officer

Sell

12,836 shares at $311.66

Feb 12, 2024$4.00M

Davies Christa

Officer

Sell

8,753 shares at $305.08

Feb 21, 2023$2.67M

Zeidel Darren

Officer

Sell

7,570 shares at $344.42

Nov 5, 2025$2.61M

Andersen Eric

President

Sell

7,500 shares at $335.55

May 9, 2023$2.52M

Institutional Ownership Analysis

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

Institutional Ownership Over Time for AON

Total dollar value invested by institutions each quarter

Neutral

Mixed institutional activity in Q1 2026

87.5% institutional ownership

Slight accumulation: 768 adding vs 581 reducing

13F shares decreased by 0.7%, a modest change

Position Changes

Q2 2026: how are institutions adjusting their positions?

+330 growing-940 shrinkingNet: -610

267

158

782

New (63)

Increased (267)

Reduced (158)

Closed (782)

Top Institutional Holders, AON

Largest 8 institutional positions by ownership percentage as of Q2 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

7.6M

$2.6B

Ownership

3.55%

-8.9%

BOSTON PARTNERS

2.1M

$695.8M

Ownership

0.98%

+6.9%

VERITAS ASSET MANAGEMENT LLP

1.4M

$467.1M

Ownership

0.66%

-7.4%

COMGEST GLOBAL INVESTORS S.A.S.

820.3K

$272.1M

Ownership

0.38%

+30.5%

STONEPINE ASSET MANAGEMENT INC.

799.3K

$265.1M

Ownership

0.37%

+100.0%

VONTOBEL HOLDING LTD.

540.8K

$179.4M

Ownership

0.25%

-45.9%

SUMITOMO MITSUI TRUST GROUP, INC.

453.2K

$150.3M

Ownership

0.21%

+1.3%

ORG WEALTH PARTNERS, LLC

365.8K

$149.9M

Ownership

0.17%

No change

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: 142 ETFs and mutual funds reporting

22 buying16 sellingNet: +6

104

Buying (22)

Unchanged (104)

Selling (16)

Bullish Signal

Funds accumulating in Q2 2026

142 ETFs and mutual funds reporting

22 buying vs 16 selling (balanced)

Top Fund Holders, AON

Largest 1 ETF and mutual fund positions by shares held as of latest filing

ADAMS DIVERSIFIED EQUITY FUND, INC.

84.8K

Weight

20.33%

No change

Aon plc· AON

Holdings Analysis

Insider Trading Activity

1.3Transaction History40Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings139Most 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 History40Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings139Most 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