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
551
$1.58M
552
$1.56M
553
$1.55M
554
$1.54M
555
$1.54M
556
$1.53M
557
$1.53M
558
$1.53M
559
$1.52M
560
$1.51M
561
$1.51M
562
$1.48M
563
$1.46M
564
$1.46M
565
$1.46M
566
$1.45M
567
$1.44M
568
$1.44M
569
$1.42M
570
$1.41M
571
$1.4M
572
$1.4M
573
$1.4M
574
$1.39M
575
$1.36M