Aon Ownership | Who Owns Aon?

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Aon Ownership Summary

Aon is owned by 90.70% institutional investors, 1.01% insiders, and 8.29% retail investors. Vanguard group is the largest institutional shareholder, holding 9.38% of AON shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 3.04% of its assets in Aon shares.

AON Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Aon	90.70%	1.01%	8.29%
Sector	Financial Services Stocks	736.16%	13.84%	-650.00%
Industry	Insurance Brokers Stocks	46.11%	15.62%	38.26%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	20.17M	9.38%	$7.12B
Blackrock	15.27M	7.67%	$4.48B
Blackrock funding, inc. /de	15.72M	7.33%	$5.21B
Vanguard capital management	13.60M	6.35%	$4.51B
Jpmorgan chase	12.18M	5.68%	$3.99B
Capital world investors	11.71M	5.47%	$3.88B
State street	9.42M	4.39%	$3.12B
Dodge & cox	8.59M	4.01%	$2.85B
Massachusetts financial services co /ma/	7.62M	3.55%	$2.58B
Morgan stanley	6.21M	2.90%	$2.06B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Hps investment partners	4.34M	99.01%	$1.73B
Lfl advisers	136.69K	12.12%	$45.34M
Aryeh capital management	32.30K	9.64%	$11.52M
Meritage group lp	684.52K	8.75%	$227.05M
Veritas asset management llp	1.41M	8.40%	$467.06M
Altrinsic global advisors	646.42K	7.87%	$214.41M
Cryder capital partners llp	352.19K	7.36%	$116.82M
Gfi investment counsel	160.00K	7.20%	$53.07M
New vernon investment management	17.49K	7.10%	$5.80M
Lts one management lp	50.65K	6.70%	$16.80M

Top Buyers

Holder	Shares	% Assets	Change
Jpmorgan chase	12.18M	0.22%	6.53M
Norges bank	2.80M	0.09%	2.80M
Price t rowe associates inc /md/	3.14M	0.10%	1.86M
Arrowstreet capital, limited partnership	2.61M	0.38%	1.82M
Sixth street partners management company	1.35M	0.06%	1.35M

Top Sellers

Holder	Shares	% Assets	Change
Berkshire hathaway	-	-	-3.60M
Ubs asset management americas	25.74K	0.00%	-1.24M
Polen capital management	164.03K	0.47%	-1.19M
Farallon capital management	1.38M	2.12%	-1.13M
Cantillon capital management	-	-	-1.10M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	2.80M	0.09%	2.80M	$927.66M
Sixth street partners management company	1.35M	0.06%	1.35M	$446.24M
Stonepine asset management	799.29K	1.64%	799.29K	$265.12M
Strive asset management	400.99K	0.02%	400.99K	$35.30M
Eminence capital, lp	179.02K	1.32%	179.02K	$57.78M

Sold Out

Holder	Change
Quest 10 wealth builders	-1.00
Clayton financial group	-1.00
Luken investment analytics	-1.00
Breakwater investment management	-1.00
Legacy wealth managment, llc/id	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	1,275	-0.70%	194,363,273	3.59%	90	1.18%	603	-4.59%	455	10.44%
Mar 31, 2026	1,247	-3.86%	184,086,215	-2.45%	85	1.11%	614	6.23%	401	-15.58%
Dec 31, 2025	589	-53.59%	41,655,262	-77.55%	19	0.26%	257	-56.95%	203	-49.75%
Sep 30, 2025	709	-43.42%	60,661,564	-68.68%	28	0.35%	328	-38.23%	216	-54.43%
Jun 30, 2025	1,235	-4.78%	193,497,392	1.13%	89	1.15%	525	-16.67%	471	18.94%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Morn Total Stk Mkt Idx Investor	6.44M	3.04%	-37.08K
Vanguard US Total Market Shares ETF	6.54M	3.03%	-4.77K
Vanguard Total Stock Mkt Idx Inv	6.44M	3.02%	-37.08K
Vanguard Institutional 500 Index Trust	6.15M	2.85%	44.02K
Vanguard 500 Index Investor	5.55M	2.60%	-65.03K
Dodge & Cox Stock I	3.68M	1.73%	-
American Funds American Balanced A	3.33M	1.56%	114.50K
iShares Core S&P 500 ETF	2.88M	1.36%	4.59K
Fidelity 500 Index	2.74M	1.29%	-5.13K
SPDR® S&P 500 ETF	2.69M	1.25%	-39.37K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 28, 2026	Zeidel Darren	General Counsel	Sell	$180.50K
Jul 28, 2026	Zeidel Darren	General Counsel	Sell	$274.05K
Jul 28, 2026	Zeidel Darren	General Counsel	Sell	$263.20K
Jul 17, 2026	Zeidel Darren	General Counsel	Sell	$241.80K
Jul 17, 2026	Zeidel Darren	General Counsel	Sell	$231.25K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	7
2026 Q2	-	-
2026 Q1	1	2
2025 Q1	-	-
2024 Q4	-	2

AON Ownership FAQ

Who Owns Aon?

Aon shareholders are primarily institutional investors at 90.70%, followed by 1.01% insiders and 8.29% retail investors. The average institutional ownership in Aon's industry, Insurance Brokers Stocks, is 46.11%, which Aon exceeds.

Who owns the most shares of Aon?

Aon’s largest shareholders are Vanguard group (20.17M shares, 9.38%), Blackrock (15.27M shares, 7.67%), and Blackrock funding, inc. /de (15.72M shares, 7.33%). Together, they hold 24.38% of Aon’s total shares outstanding.

Does Blackrock own Aon?

Yes, BlackRock owns 7.67% of Aon, totaling 15.27M shares as of Jun 2024. This represents 0.10% of BlackRock's total assets, with a market value of 4.48B$. In the last quarter, BlackRock increased its holdings by 781.42K shares, a 5.39% change.

Who is Aon’s biggest shareholder by percentage of total assets invested?

Hps investment partners is Aon’s biggest shareholder by percentage of total assets invested, with 99.01% of its assets in 4.34M Aon shares, valued at 1.73B$.

Who is the top mutual fund holder of Aon shares?

Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund holder of Aon shares, with 3.04% of its total shares outstanding invested in 6.44M Aon shares.

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