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
376
$4.58M
377
$4.58M
378
$4.57M
379
$4.55M
380
$4.54M
381
$4.51M
382
$4.48M
383
$4.44M
384
$4.43M
385
$4.41M
386
$4.37M
387
$4.3M
388
$4.28M
389
$4.26M
390
$4.25M
391
$4.21M
392
$4.16M
393
$4.16M
394
$4.12M
395
$4.11M
396
$4.1M
397
$4.05M
398
$4.04M
399
$4.03M
400
$3.98M