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
626
$995K
627
$985K
628
$985K
629
$985K
630
$983K
631
$979K
632
$965K
633
$950K
634
$945K
635
$937K
636
$937K
637
$931K
638
$929K
639
$928K
640
$925K
641
$916K
642
$910K
643
$907K
644
$903K
645
$896K
646
$892K
647
$890K
648
$887K
649
$879K
650
$879K