1,257 hedge funds and large institutions have $76.2B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 169 funds opening new positions, 466 increasing their positions, 393 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,257
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$761M
Puts
$436M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
26
$632M
27
$587M
28
$551M
29
$547M
30
$533M
31
$527M
32
$521M
33
$512M
34
$505M
35
$500M
36
$491M
37
$484M
38
$462M
39
$449M
40
$429M
41
$378M
42
$369M
43
$364M
44
$351M
45
$331M
46
$328M
47
$324M
48
$297M
49
$291M
50
$271M