1,263 hedge funds and large institutions have $76.2B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 168 funds opening new positions, 468 increasing their positions, 394 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,263
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
351
$5.69M
352
$5.65M
353
$5.63M
354
$5.51M
355
$5.51M
356
$5.42M
357
$5.37M
358
$5.35M
359
$5.34M
360
$5.3M
361
$5.03M
362
$5.01M
363
$4.94M
364
$4.91M
365
$4.9M
366
$4.87M
367
$4.77M
368
$4.72M
369
$4.71M
370
$4.66M
371
$4.64M
372
$4.63M
373
$4.59M
374
$4.58M
375
$4.58M