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
601
$1.15M
602
$1.15M
603
$1.14M
604
$1.14M
605
$1.13M
606
$1.12M
607
$1.12M
608
$1.11M
609
$1.1M
610
$1.09M
611
$1.08M
612
$1.08M
613
$1.07M
614
$1.06M
615
$1.05M
616
$1.05M
617
$1.05M
618
$1.04M
619
$1.03M
620
$1.03M
621
$1.03M
622
$1.02M
623
$1.01M
624
$1.01M
625
$1.01M