1,267 hedge funds and large institutions have $77B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 168 funds opening new positions, 470 increasing their positions, 395 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,267
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
$3.41M
427
$3.37M
428
$3.33M
429
$3.33M
430
$3.33M
431
$3.3M
432
$3.28M
433
$3.25M
434
$3.24M
435
$3.23M
436
$3.21M
437
$3.19M
438
$3.18M
439
$3.14M
440
$3.13M
441
$3.11M
442
$3.1M
443
$3.1M
444
$3.1M
445
$3.09M
446
$3.07M
447
$3.07M
448
$3.06M
449
$3.01M
450
$2.99M