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
426
$3.33M
427
$3.3M
428
$3.28M
429
$3.25M
430
$3.24M
431
$3.23M
432
$3.21M
433
$3.19M
434
$3.18M
435
$3.14M
436
$3.13M
437
$3.11M
438
$3.1M
439
$3.1M
440
$3.1M
441
$3.09M
442
$3.07M
443
$3.07M
444
$3.06M
445
$3.01M
446
$2.99M
447
$2.98M
448
$2.92M
449
$2.9M
450
$2.9M