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
651
$876K
652
$873K
653
$868K
654
$867K
655
$862K
656
$857K
657
$854K
658
$846K
659
$833K
660
$831K
661
$828K
662
$823K
663
$821K
664
$821K
665
$815K
666
$813K
667
$809K
668
$802K
669
$799K
670
$798K
671
$797K
672
$794K
673
$794K
674
$793K
675
$793K