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
451
$2.87M
452
$2.87M
453
$2.86M
454
$2.86M
455
$2.8M
456
$2.76M
457
$2.74M
458
$2.74M
459
$2.74M
460
$2.73M
461
$2.72M
462
$2.72M
463
$2.72M
464
$2.71M
465
$2.66M
466
$2.64M
467
$2.62M
468
$2.61M
469
$2.61M
470
$2.58M
471
$2.58M
472
$2.58M
473
$2.56M
474
$2.54M
475
$2.52M