Aon AON Institutional Ownership

NYSE AON

$304.83 -10.96 (-3.47%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

5 Institutions

Increased 1 20.0%

Unchanged 4 80.0%

Reduced 0 0.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

0.00%

▼-0.01 pp QoQ

Shares Held by Institutions

2.11K

of 213.20Mn outstanding

▲+0.57% QoQ

Shares Outstanding

213.20Mn

213.20Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-1 vs prior quarter

Net Shares Added (QoQ)

+12

accumulated since last quarter

Value of Holdings

$681.20K

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Aon plc (NYSE:AON) has 5 institutional investors with active 13F positions as of June 2026.

Collectively, these holders controlled 0.0% of Aon's outstanding shares in June 2026, down from 0.0% in March 2026.
Their total shares held in AON increased 0.57% from the prior quarter, while the number of investors in Aon decreased 28.57% year over year.
During the quarter, 1 of these 5 funds increased positions in AON, 0 reduced exposure, and 4 held steady.
Institutional investors collectively held 2.11K shares in Aon as of June 2026, up by 12 shares quarter on quarter, and down 66.96K shares year over year.
HC Advisors, LLC is the top holder of Aon as of June 30, 2026, with 1.2K shares representing 0.0% of outstanding stock.
The biggest buyers of Aon for the quarter ending June 2026 included HORIZON FINANCIAL SERVICES, LLC (12).
Business Quant data shows the 5 biggest positions in Aon as of June 2026 are held by HC Advisors, LLC (1.2K), HORIZON FINANCIAL SERVICES, LLC (783), Asset Planning,Inc (58), Lummis Asset Management, LP (43), Byrne Asset Management LLC (25).

Form 13F Holdings

1,253 Institutional Holders

Report period 30 Jun, 2026

Total shares held 2.11K

Of outstanding 0.00%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	15,716,429	7.37%	▼432,078	-2.68%	$5.21Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	13,603,465	6.38%	▲21,709	+0.16%	$4.51Bn
3	Jpmorgan Chase & Co	0000019617	12,175,974	5.71%	▲6,534,543	+115.83%	$3.99Bn
4	Capital World Investors	0001422849	11,711,650	5.49%	▲233,862	+2.04%	$3.88Bn
5	State Street Corp	0000093751	9,416,039	4.42%	▲196,266	+2.13%	$3.12Bn
6	DODGE & COX	0000200217	8,593,144	4.03%	▲477,049	+5.88%	$2.85Bn
7	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	7,615,397	3.57%	▼742,700	-8.89%	$2.58Bn
8	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	7,202,991	3.38%	▲2,643,956	+57.99%	$2.39Bn
9	Morgan Stanley	0000895421	6,214,787	2.92%	▼160,158	-2.51%	$2.06Bn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	5,180,553	2.43%	▼63,756	-1.22%	$1.71Bn
11	Bank of New York Mellon Corp	0001390777	3,191,212	1.50%	▼129,880	-3.91%	$1.06Bn
12	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	3,136,640	1.47%	▲1,855,714	+144.87%	$1.04Mn
13	NORGES BANK	0001374170	2,796,760	1.31%	▲2,796,760	0.00%	$927.66Mn
14	Mitsubishi UFJ Asset Management Co., Ltd.	0001466546	2,753,913	1.29%	▲237,276	+9.43%	$913.45Mn
15	Independent Franchise Partners LLP	0001483866	2,646,943	1.24%	▲58,941	+2.28%	$877.96Mn
16	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	2,614,754	1.23%	▲1,817,336	+227.90%	$867.29Mn
17	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	0001694217	2,255,768	1.06%	▼692,642	-23.49%	$748.22Mn
18	Boston Partners	0001386060	2,089,773	0.98%	▲134,741	+6.89%	$695.75Mn
19	Northern Trust Corp	0000073124	2,040,534	0.96%	▼41,571	-2.00%	$676.82Mn
20	AQR CAPITAL MANAGEMENT LLC	0001167557	1,905,800	0.89%	▲926,045	+94.52%	$623.01Mn

Showing 1 to 20 of 1,253 holders