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
501
$2.09M
502
$2.09M
503
$2.09M
504
$2.08M
505
$2.07M
506
$2.03M
507
$2.03M
508
$2.03M
509
$2.02M
510
$2.01M
511
$2.01M
512
$2M
513
$1.98M
514
$1.97M
515
$1.96M
516
$1.95M
517
$1.94M
518
$1.93M
519
$1.9M
520
$1.85M
521
$1.82M
522
$1.79M
523
$1.77M
524
$1.77M
525
$1.74M