← Top Holdings

AONAon PLC

CUSIP: G0403H108

🔥 Bought by 4 superinvestors this quarter

13

Guru Owners

$5.78B

Total Value Held

16.4M

Total Shares

Investor	Fund	Shares	Value▼	% of Portfolio	Rpt Price	Period
Dodge & Cox	Dodge & Cox	7852456	$2.77B	1.50%	$352.88	Q4 2025
Warren Buffett	Berkshire Hathaway	3602995	$1.27B	0.46%	$352.88	Q4 2025
Polen Capital	Polen Capital Management	1846294	$651.5M	2.78%	$352.88	Q4 2025
William Von Mueffling	Cantillon Capital Management	1243018	$438.6M	2.37%	$352.88	Q4 2025
Andreas Halvorsen	Viking Global Investors	783650	$276.5M	0.73%	$352.88	Q4 2025
Steven Romick	First Pacific Advisors	656531	$231.7M	3.05%	$352.88	Q4 2025
Wallace Weitz	Weitz Investment Management	218735	$77.2M	4.58%	$352.88	Q4 2025
Tom Gayner	Markel Group	134050	$47.3M	0.38%	$352.88	Q4 2025
Ray Dalio	Bridgewater Associates	13368	$4.7M	0.02%	$352.88	Q4 2025
Donald Yacktman	Yacktman Asset Management	12915	$4.6M	0.06%	$352.88	Q4 2025
Jensen Investment Management	Jensen Investment Management	10603	$3.7M	0.06%	$352.88	Q4 2025
Bill Nygren	Harris Associates	699	$247K	0.00%	$352.88	Q4 2025
David Katz	Matrix Asset Advisors	648	$229K	0.02%	$352.88	Q4 2025

$2.77B

1.50%

$1.27B

0.46%

$651.5M

2.78%

William Von Mueffling

$438.6M

2.37%

Andreas Halvorsen

$276.5M

0.73%

$231.7M

3.05%

$77.2M

4.58%

$47.3M

0.38%

$4.7M

0.02%

Donald Yacktman

$4.6M

0.06%

Jensen Investment Management

$3.7M

0.06%

$247K

0.00%

$229K

0.02%

📊 Fundamentals

Market Cap$71.9B

P/E Ratio19.6x

Near market avg

Forward P/E15.6x

P/FCF23.5x

EPS (TTM)$17.03

Revenue (TTM)$17.2B

Profit Margin21.51%

Div Yield0.99%

Beta0.82

52-Week Range

$304.59

$381.00

Current: $334.46

Data from Yahoo Finance · refreshed every 4 hours

💡 Trades at 19.6x trailing earnings → 15.6x forward · 21.5% profit margin

📊 Holdings Over Time

How superinvestor ownership has changed across quarters

Quarter-by-Quarter Activity

Q4 '2513 owners · $5.78B

INCREASEDDodge & Cox$2.77B

REDUCEDWarren Buffett$1.27B

REDUCEDPolen Capital$651.5M

INCREASEDWilliam Von Mueffling$438.6M

INCREASEDAndreas Halvorsen$276.5M

INCREASEDSteven Romick$231.7M

INCREASEDWallace Weitz$77.2M

INCREASEDTom Gayner$47.3M

REDUCEDRay Dalio$4.7M

INCREASEDJensen Investment Management$3.7M

REDUCEDBill Nygren$247K

Q3 '2513 owners · $4.90B

NEWDodge & Cox$1.24B

REDUCEDPolen Capital$887.9M

NEWAndreas Halvorsen$504.4M

REDUCEDWilliam Von Mueffling$439.9M

INCREASEDSteven Romick$233.4M

REDUCEDJensen Investment Management$3.6M

NEWRay Dalio$2.0M

INCREASEDBill Nygren$251K

Q2 '2510 owners · $3.25B

NEWWarren Buffett$1.46B

REDUCEDPolen Capital$979.5M

REDUCEDWilliam Von Mueffling$445.0M

REDUCEDSteven Romick$232.6M

INCREASEDTom Gayner$46.3M

INCREASEDDonald Yacktman$4.6M

INCREASEDJensen Investment Management$3.5M

NEWBill Nygren$249K

Q1 '259 owners · $2.13B

NEWPolen Capital$1.20B

NEWWilliam Von Mueffling$512.3M

NEWSteven Romick$271.4M

REDUCEDWallace Weitz$85.2M

INCREASEDTom Gayner$51.7M

NEWJensen Investment Management$3.5M

REDUCEDRay Dalio$1.2M

REDUCEDDavid Katz$259K

SOLDWarren Buffett

SOLDAndreas Halvorsen

Q4 '247 owners · $1.88B

INCREASEDAndreas Halvorsen$258.7M

INCREASEDTom Gayner$45.3M

INCREASEDRay Dalio$3.3M

NEWDavid Katz$248K

Q3 '246 owners · $1.77B

NEWAndreas Halvorsen$194.8M

INCREASEDTom Gayner$41.6M

💰 DCF Calculator

DCF valuation isn't suitable for financial companies like banks and insurers — their cash flows work differently.

🏛️ Congressional Trades

AON: Held by 13 superinvestors · 26 congress member trades

$1,001 - $15,0002025-11-10

$1,001 - $15,0002025-11-03

SELLMichael McCaulR

$1,001 - $15,0002025-10-27

$1,001 - $15,0002025-10-21

$1,001 - $15,0002025-10-16

$1,001 - $15,0002025-10-07

$1,001 - $15,0002025-08-26

SELLMichael McCaulR

$1,001 - $15,0002025-08-21

$1,001 - $15,0002025-08-04

$1,001 - $15,0002025-07-25

SELLMichael McCaulR

$1,001 - $15,0002025-06-16

BUYThomas Kean JrR

$1,001 - $15,0002025-05-27

SELLJefferson ShreveR

$15,001 - $50,0002025-05-08

$15,001 - $50,0002025-04-25

$1,001 - $15,0002025-04-25

SELLMichael McCaulR

$1,001 - $15,0002025-04-14

SELLMichael McCaulR

$1,001 - $15,0002025-04-02

SELLMichael McCaulR

$15,001 - $50,0002025-03-26

SELLMichael McCaulR

$15,001 - $50,0002025-03-19

BUYJefferson ShreveR

$15,001 - $50,0002025-03-13