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
CIA
501
Concurrent Investment Advisors
Florida
$1.67M
PIM
502
Plato Investment Management
Australia
$1.67M
BIG
503
Brooklyn Investment Group
New York
$1.66M
GCM
504
Greenland Capital Management
New York
$1.66M
MAS
505
Meeder Advisory Services
Ohio
$1.65M
LJAC
506
L.J. Altfest & Co
New York
$1.64M
FA
507
Fiduciary Alliance
South Carolina
$1.63M
PFBT
508
Parkside Financial Bank & Trust
Missouri
$1.62M
OTL
509
Oak Thistle LLC
New York
$1.62M
MF
510
Magnetar Financial
Illinois
$1.61M
EFSCE
511
Enterprise Financial Services Corp (EFSC)
Missouri
$1.6M
GWM
512
Gibbs Wealth Management
Georgia
$1.59M
SC
513
Syon Capital
California
$1.59M
QCG
514
Quadrant Capital Group
Ohio
$1.57M
CIM
515
Cambria Investment Management
California
$1.57M
TWC
516
TD Waterhouse Canada
Ontario, Canada
$1.57M
BP
517
BBR Partners
New York
$1.55M
IWA
518
Icon Wealth Advisors
Texas
$1.54M
CI
519
CX Institutional
Indiana
$1.53M
CNBT
520
Canandaigua National Bank & Trust
New York
$1.51M
O
521
Ossiam
France
$1.5M
AWA
522
Arkadios Wealth Advisors
Georgia
$1.5M
PWAM
523
Private Wealth Asset Management
Iowa
$1.49M
VI
524
Vestcor Inc
New Brunswick, Canada
$1.49M
NB
525
NBT Bank
New York
$1.49M