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
51
$268M
52
$264M
53
$255M
54
$240M
55
$221M
56
$219M
57
$206M
58
$197M
59
$188M
60
$184M
61
$181M
62
$181M
63
$171M
64
$170M
65
$170M
66
$167M
67
$161M
68
$154M
69
$151M
70
$148M
71
$147M
72
$147M
73
$139M
74
$134M
75
$131M