1,256 hedge funds and large institutions have $66.5B invested in Aon in 2025 Q4 according to their latest regulatory filings, with 142 funds opening new positions, 419 increasing their positions, 472 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 ownership

Funds ownership:

more funds holding

Funds holding:

0% more capital invested

Capital invested by funds: $66.2B → $66.5B (+$232M)

4% less funds holding in top 10

Funds holding in top 10: 2726 (-1)

11% less repeat investments, than reductions

Existing positions increased: 419 | Existing positions reduced: 472

Holders
1,256
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
$108M
Puts
$37.4M
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
Brown Advisory
476
Brown Advisory
Maryland
$2.03M
Squarepoint
477
Squarepoint
New York
$2.02M
WF
478
WoodTrust Financial
Wisconsin
$2.01M
VF
479
Virtu Financial
New York
$2M
BBHC
480
Brown Brothers Harriman & Co
New York
$1.99M
QIM
481
Quantitative Investment Management
Virginia
$1.96M
KRSITF
482
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$1.95M
OIA
483
OneDigital Investment Advisors
Kansas
$1.92M
ECM
484
Everence Capital Management
Indiana
$1.92M
Nomura Holdings
485
Nomura Holdings
Japan
$1.91M
NAM
486
NorthCrest Asset Manangement
Minnesota
$1.89M
Jones Financial Companies
487
Jones Financial Companies
Missouri
$1.86M
SCA
488
Snowden Capital Advisors
New York
$1.85M
CT
489
Caldwell Trust
Florida
$1.83M
WG
490
Welch Group
Alabama
$1.82M
VA
491
Vident Advisory
Georgia
$1.77M
CK
492
Cohen Klingenstein
New York
$1.76M
FFS
493
Fischer Financial Services
Pennsylvania
$1.75M
TCM
494
Triumph Capital Management
Colorado
$1.75M
PCS
495
Personal CFO Solutions
New Jersey
$1.74M
UCFA
496
United Capital Financial Advisors
Texas
$1.74M
RBC
497
Romano Brothers & Co
Illinois
$1.73M
MFIM
498
Mesirow Financial Investment Management
Illinois
$1.73M
TAM
499
Tealwood Asset Management
Minnesota
$1.69M
CIA
500
Concurrent Investment Advisors
Florida
$1.67M