1,262 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, 467 increasing their positions, 394 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,262
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
951
$285K
952
$283K
953
$281K
954
$279K
955
$275K
956
$275K
957
$273K
958
$272K
959
$271K
960
$271K
961
$270K
962
$270K
963
$269K
964
$269K
965
$264K
966
$263K
967
$263K
968
$263K
969
$263K
970
$263K
971
$262K
972
$261K
973
$261K
974
$261K
975
$261K