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
AllianceBernstein
101
AllianceBernstein
Tennessee
$77.1M
SI
102
Scharf Investments
California
$73.4M
Verition Fund Management
103
Verition Fund Management
Connecticut
$73.2M
Ensign Peak Advisors
104
Ensign Peak Advisors
Utah
$72.9M
GC
105
Gillson Capital
Illinois
$66.7M
Point72 Asset Management
106
Point72 Asset Management
Connecticut
$66.4M
State Board of Administration of Florida Retirement System
107
State Board of Administration of Florida Retirement System
Florida
$64M
NC
108
Nicholas Company
Wisconsin
$64M
NONA
109
Ninety One North America
New York
$62.3M
Nomura Asset Management
110
Nomura Asset Management
Japan
$59.2M
GIC
111
GFI Investment Counsel
Ontario, Canada
$59M
IIM
112
INTECH Investment Management
Florida
$55.1M
PCM
113
Prana Capital Management
Connecticut
$55.1M
New York State Teachers Retirement System (NYSTRS)
114
New York State Teachers Retirement System (NYSTRS)
New York
$54.8M
Aberdeen Group
115
Aberdeen Group
United Kingdom
$54.1M
YL
116
YCG LLC
Texas
$53.4M
Stifel Financial
117
Stifel Financial
Missouri
$51M
PTC
118
Petrus Trust Company
Texas
$50.8M
SG Americas Securities
119
SG Americas Securities
New York
$50.5M
MCM
120
Moore Capital Management
New York
$49.3M
Ninety One (UK)
121
Ninety One (UK)
United Kingdom
$48.8M
State of Tennessee, Department of Treasury
122
State of Tennessee, Department of Treasury
Tennessee
$48.5M
MG
123
Markel Group
Virginia
$47.3M
RMDI
124
R.M. Davis Inc
Maine
$44.6M
HPC
125
HM Payson & Co
Maine
$44.1M