1,267 hedge funds and large institutions have $77B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 168 funds opening new positions, 470 increasing their positions, 395 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,267
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
$2.16M
502
$2.16M
503
$2.1M
504
$2.1M
505
$2.09M
506
$2.09M
507
$2.09M
508
$2.08M
509
$2.07M
510
$2.03M
511
$2.03M
512
$2.03M
513
$2.02M
514
$2.01M
515
$2.01M
516
$2M
517
$1.98M
518
$1.97M
519
$1.96M
520
$1.95M
521
$1.94M
522
$1.93M
523
$1.9M
524
$1.85M
525
$1.82M