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
926
$307K
927
$306K
928
$305K
929
$304K
930
$304K
931
$302K
932
$302K
933
$301K
934
$298K
935
$298K
936
$297K
937
$296K
938
$296K
939
$294K
940
$292K
941
$291K
942
$290K
943
$289K
944
$289K
945
$288K
946
$287K
947
$285K
948
$285K
949
$283K
950
$281K