1,221 hedge funds and large institutions have $69.2B invested in Aon in 2025 Q2 according to their latest regulatory filings, with 106 funds opening new positions, 428 increasing their positions, 470 reducing their positions, and 134 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more call options, than puts

Call options by funds: $ | Put options by funds: $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

9% less capital invested

Capital invested by funds: $76.2B → $69.2B (-$7.07B)

21% less first-time investments, than exits

New positions opened: 106 | Existing positions closed: 134

33% less funds holding in top 10

Funds holding in top 10: 4329 (-14)

Holders
1,221
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$164M
Puts
$157M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$7.24B
2
$5.68B
3
$4.33B
4
$3.38B
5
$3.26B
6
$3.19B
7
$1.99B
8
$1.68B
9
$1.51B
10
$1.46B
11
$1.25B
12
$1.06B
13
$980M
14
$966M
15
$815M
16
$809M
17
$776M
18
$755M
19
$742M
20
$720M
21
$709M
22
$659M
23
$650M
24
$614M
25
$607M