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
751
$582K
752
$581K
753
$580K
754
$577K
755
$571K
756
$571K
757
$570K
758
$570K
759
$569K
760
$562K
761
$559K
762
$559K
763
$557K
764
$557K
765
$556K
766
$553K
767
$553K
768
$552K
769
$549K
770
$547K
771
$545K
772
$544K
773
$540K
774
$540K
775
$539K