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
TRCT
426
Tower Research Capital (TRC)
New York
$2.95M
AM
427
AGF Management
Ontario, Canada
$2.92M
FC
428
FORA Capital
Florida
$2.9M
SCM
429
Sterling Capital Management
North Carolina
$2.88M
MFG
430
Merit Financial Group
Georgia
$2.87M
GCP
431
GSA Capital Partners
United Kingdom
$2.83M
MSK
432
Melissa S. Kampmann
$2.82M
T. Rowe Price Investment Management
433
T. Rowe Price Investment Management
Maryland
$2.81M
VCA
434
Verdence Capital Advisors
Maryland
$2.8M
VAS
435
Vestmark Advisory Solutions
Massachusetts
$2.77M
MC
436
Machina Capital
France
$2.76M
CSP
437
Cary Street Partners
Virginia
$2.75M
TAF
438
Tredje AP-fonden
Sweden
$2.72M
CL
439
Choreo LLC
Illinois
$2.71M
NDSIB
440
North Dakota State Investment Board
North Dakota
$2.54M
CGH
441
Crossmark Global Holdings
Texas
$2.52M
ZBNA
442
Zions Bancorporation, National Association
Utah
$2.49M
PWG
443
Portside Wealth Group
Utah
$2.49M
VA
444
VestGen Advisors
Illinois
$2.48M
Assenagon Asset Management
445
Assenagon Asset Management
Luxembourg
$2.43M
CG
446
Caprock Group
Idaho
$2.41M
KeyBank National Association
447
KeyBank National Association
Ohio
$2.41M
TMAM
448
Tokio Marine Asset Management
Japan
$2.41M
SWM
449
Salvus Wealth Management
New Jersey
$2.39M
LI
450
Lafayette Investments
Maryland
$2.35M