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
576
$1.35M
577
$1.35M
578
$1.34M
579
$1.32M
580
$1.31M
581
$1.29M
582
$1.28M
583
$1.28M
584
$1.25M
585
$1.24M
586
$1.24M
587
$1.23M
588
$1.23M
589
$1.23M
590
$1.22M
591
$1.21M
592
$1.2M
593
$1.2M
594
$1.19M
595
$1.18M
596
$1.17M
597
$1.16M
598
$1.16M
599
$1.15M
600
$1.15M