1,267 hedge funds and large institutions have $77B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 168 funds opening new positions, 470 increasing their positions, 395 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,267
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
$636M
27
$632M
28
$587M
29
$551M
30
$547M
31
$533M
32
$527M
33
$521M
34
$512M
35
$505M
36
$500M
37
$491M
38
$484M
39
$462M
40
$449M
41
$429M
42
$378M
43
$369M
44
$364M
45
$351M
46
$331M
47
$328M
48
$324M
49
$297M
50
$291M