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
551
$1.55M
552
$1.54M
553
$1.54M
554
$1.53M
555
$1.53M
556
$1.53M
557
$1.52M
558
$1.51M
559
$1.51M
560
$1.48M
561
$1.46M
562
$1.46M
563
$1.46M
564
$1.45M
565
$1.44M
566
$1.44M
567
$1.42M
568
$1.41M
569
$1.4M
570
$1.4M
571
$1.4M
572
$1.39M
573
$1.36M
574
$1.35M
575
$1.35M