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
501
$2.1M
502
$2.1M
503
$2.09M
504
$2.09M
505
$2.09M
506
$2.08M
507
$2.07M
508
$2.03M
509
$2.03M
510
$2.03M
511
$2.02M
512
$2.01M
513
$2.01M
514
$2M
515
$1.98M
516
$1.97M
517
$1.96M
518
$1.95M
519
$1.94M
520
$1.93M
521
$1.9M
522
$1.85M
523
$1.82M
524
$1.79M
525
$1.77M