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
526
$1.77M
527
$1.74M
528
$1.7M
529
$1.7M
530
$1.69M
531
$1.69M
532
$1.68M
533
$1.68M
534
$1.68M
535
$1.67M
536
$1.64M
537
$1.63M
538
$1.63M
539
$1.62M
540
$1.62M
541
$1.62M
542
$1.62M
543
$1.6M
544
$1.6M
545
$1.59M
546
$1.59M
547
$1.59M
548
$1.59M
549
$1.58M
550
$1.58M