1,268 hedge funds and large institutions have $66.5B invested in Aon in 2025 Q4 according to their latest regulatory filings, with 149 funds opening new positions, 422 increasing their positions, 473 reducing their positions, and 100 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

1% more capital invested

Capital invested by funds: $66.2B → $66.5B (+$332M)

4% less funds holding in top 10

Funds holding in top 10: 2726 (-1)

11% less repeat investments, than reductions

Existing positions increased: 422 | Existing positions reduced: 473

Holders
1,268
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
26
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$109M
Puts
$40.4M
Net Calls
Net Calls Change

Top Sellers

1 -$356M
2 -$225M
3 -$220M
4
Morgan Stanley
Morgan Stanley
New York
-$198M
5
Neuberger Berman Group
Neuberger Berman Group
New York
-$184M
Name Holding Trade Value Shares
Change
Change in
Stake
D.E. Shaw & Co
226
D.E. Shaw & Co
New York
$15M
HighTower Advisors
227
HighTower Advisors
Illinois
$14.8M
GAG
228
GM Advisory Group
New York
$14.7M
Allianz Asset Management
229
Allianz Asset Management
Germany
$14.7M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
230
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$14.6M
DnB Asset Management
231
DnB Asset Management
Norway
$14.6M
AIM
232
Artemis Investment Management
United Kingdom
$14.5M
HFS
233
Hantz Financial Services
Michigan
$14.2M
SI
234
Stephens Inc
Arkansas
$14.2M
CCM
235
Corsair Capital Management
New York
$14.2M
Creative Planning
236
Creative Planning
Kansas
$14.1M
II
237
IFM Investors
Australia
$14M
Pathstone Holdings
238
Pathstone Holdings
New Jersey
$13.7M
First Trust Advisors
239
First Trust Advisors
Illinois
$13.7M
ET
240
Entropy Technologies
New York
$13.6M
Prudential Financial
241
Prudential Financial
New Jersey
$13.4M
Mirae Asset Global Investments
242
Mirae Asset Global Investments
South Korea
$13.3M
KBC Group
243
KBC Group
Belgium
$13M
BCIM
244
British Columbia Investment Management
British Columbia, Canada
$12.8M
BCAM
245
Boston Common Asset Management
Massachusetts
$12.6M
Marshall Wace
246
Marshall Wace
United Kingdom
$12.5M
1832 Asset Management
247
1832 Asset Management
Ontario, Canada
$12.3M
URS
248
Utah Retirement Systems
Utah
$12.2M
SCM
249
Sone Capital Management
New York
$12.1M
ZAM
250
Zevin Asset Management
Massachusetts
$12M