1,262 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, 467 increasing their positions, 394 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,262
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
376
$4.58M
377
$4.57M
378
$4.55M
379
$4.51M
380
$4.48M
381
$4.44M
382
$4.43M
383
$4.41M
384
$4.37M
385
$4.3M
386
$4.28M
387
$4.26M
388
$4.25M
389
$4.21M
390
$4.16M
391
$4.16M
392
$4.12M
393
$4.11M
394
$4.1M
395
$4.05M
396
$4.04M
397
$4.03M
398
$3.98M
399
$3.96M
400
$3.96M