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
601
$1.14M
602
$1.14M
603
$1.13M
604
$1.12M
605
$1.12M
606
$1.11M
607
$1.1M
608
$1.09M
609
$1.08M
610
$1.08M
611
$1.07M
612
$1.06M
613
$1.05M
614
$1.05M
615
$1.05M
616
$1.04M
617
$1.03M
618
$1.03M
619
$1.03M
620
$1.02M
621
$1.01M
622
$1.01M
623
$1.01M
624
$998K
625
$996K