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
876
$362K
877
$361K
878
$361K
879
$360K
880
$360K
881
$360K
882
$359K
883
$359K
884
$359K
885
$359K
886
$358K
887
$357K
888
$356K
889
$356K
890
$351K
891
$347K
892
$346K
893
$344K
894
$343K
895
$343K
896
$339K
897
$336K
898
$335K
899
$335K
900
$331K