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
476
$2.49M
477
$2.45M
478
$2.43M
479
$2.4M
480
$2.4M
481
$2.37M
482
$2.36M
483
$2.36M
484
$2.34M
485
$2.32M
486
$2.31M
487
$2.31M
488
$2.28M
489
$2.28M
490
$2.22M
491
$2.21M
492
$2.21M
493
$2.2M
494
$2.2M
495
$2.2M
496
$2.19M
497
$2.16M
498
$2.16M
499
$2.1M
500
$2.1M