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
376
$4.55M
377
$4.51M
378
$4.48M
379
$4.44M
380
$4.43M
381
$4.41M
382
$4.37M
383
$4.3M
384
$4.28M
385
$4.26M
386
$4.25M
387
$4.21M
388
$4.16M
389
$4.16M
390
$4.12M
391
$4.11M
392
$4.1M
393
$4.05M
394
$4.04M
395
$4.03M
396
$3.98M
397
$3.96M
398
$3.96M
399
$3.89M
400
$3.88M