1,254 hedge funds and large institutions have $76.2B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 169 funds opening new positions, 463 increasing their positions, 392 reducing their positions, and 69 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,254
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$761M
Puts
$436M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
NC
101
Nicholas Company
Wisconsin
$78.9M
Squarepoint
102
Squarepoint
New York
$78.2M
JCM
103
Junto Capital Management
New York
$75.4M
State Board of Administration of Florida Retirement System
104
State Board of Administration of Florida Retirement System
Florida
$74.8M
CGPCS
105
Capital Group Private Client Services
California
$73.9M
FCM
106
Frontier Capital Management
Massachusetts
$71.4M
CIBC Asset Management
107
CIBC Asset Management
Ontario, Canada
$70.2M
Nomura Asset Management
108
Nomura Asset Management
Japan
$69.4M
Adage Capital Partners
109
Adage Capital Partners
Massachusetts
$68.2M
Voloridge Investment Management
110
Voloridge Investment Management
Florida
$65.5M
GIC
111
GFI Investment Counsel
Ontario, Canada
$65.2M
NOCM
112
Night Owl Capital Management
Connecticut
$63.3M
New York State Teachers Retirement System (NYSTRS)
113
New York State Teachers Retirement System (NYSTRS)
New York
$62.4M
HSBC Holdings
114
HSBC Holdings
United Kingdom
$60.3M
YL
115
YCG LLC
Texas
$59.1M
Stifel Financial
116
Stifel Financial
Missouri
$57.5M
Aberdeen Group
117
Aberdeen Group
United Kingdom
$57.2M
MDSL
118
M.D. Sass LLC
New York
$56M
JFG
119
Jefferies Financial Group
New York
$54M
OCAM
120
Onex Canada Asset Management
Ontario, Canada
$53.5M
HPC
121
HM Payson & Co
Maine
$51.7M
Korea Investment Corp
122
Korea Investment Corp
South Korea
$51.7M
MG
123
Markel Group
Virginia
$51.7M
Manulife (Manufacturers Life Insurance)
124
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$51.3M
Focus Partners Wealth
125
Focus Partners Wealth
Massachusetts
$50.2M