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
276
$10.5M
277
$10.5M
278
$10.5M
279
$10.4M
280
$10.4M
281
$10.1M
282
$10.1M
283
$10.1M
284
$10M
285
$9.92M
286
$9.9M
287
$9.9M
288
$9.88M
289
$9.76M
290
$9.74M
291
$9.71M
292
$9.68M
293
$9.61M
294
$9.59M
295
$9.48M
296
$9.44M
297
$9.31M
298
$9.24M
299
$9.15M
300
$9.1M