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
826
$420K
827
$420K
828
$419K
829
$416K
830
$415K
831
$413K
832
$412K
833
$411K
834
$411K
835
$410K
836
$407K
837
$403K
838
$402K
839
$399K
840
$399K
841
$399K
842
$399K
843
$395K
844
$395K
845
$394K
846
$392K
847
$392K
848
$391K
849
$391K
850
$387K