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1,278 hedge funds and large institutions have $66.6B invested in Aon in 2025 Q4 according to their latest regulatory filings, with 154 funds opening new positions, 424 increasing their positions, 474 reducing their positions, and 100 closing their positions.

New
Increased
Maintained
Reduced
Closed

170% more call options, than puts

Call options by funds: $109M | Put options by funds: $40.4M

54% more first-time investments, than exits

New positions opened: 154 | Existing positions closed: 100

2% more funds holding

Funds holding: 1,2481,278 (+30)

1.7% more ownership

Funds ownership: 86.17%87.87% (+1.7%)

0% more capital invested

Capital invested by funds: $66.3B → $66.6B (+$330M)

4% less funds holding in top 10

Funds holding in top 10: 2726 (-1)

11% less repeat investments, than reductions

Existing positions increased: 424 | Existing positions reduced: 474

Holders
1,278
Holders Change
+30
Holders Change %
+2.4%
% of All Funds
15.55%
Holding in Top 10
26
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-3.7%
% of All Funds
0.32%
New
154
Increased
424
Reduced
474
Closed
100
Calls
$109M
Puts
$40.4M
Net Calls
+$68.7M
Net Calls Change
-$172M
Name Holding Trade Value Shares
Change
Change in
Stake
MG
126
Markel Group
Virginia
$47.3M +$1.48M +4,250 +3%
RMDI
127
R.M. Davis Inc
Maine
$44.6M +$88.3K +253 +0.2%
HPC
128
HM Payson & Co
Maine
$44.1M -$2.81M -8,058 -6%
ZIG
129
Zurich Insurance Group
Switzerland
$44.1M +$21M +60,175 +93%
JFG
130
Jefferies Financial Group
New York
$43.4M +$832K +2,382 +2%
DB
131
Danske Bank
Denmark
$42.7M +$1.09M +3,128 +3%
TH
132
TCTC Holdings
Texas
$42.4M +$34.9K +100 +0.1%
OCAM
133
Onex Canada Asset Management
Ontario, Canada
$42.2M -$17.5M -50,119 -30%
FA
134
Fiducient Advisors
Illinois
$42.2M -$50.8M -145,577 -55%
AT
135
AMF Tjänstepension
Sweden
$42.2M -$2.56M -7,326 -6%
QCM
136
Quantinno Capital Management
New York
$41M +$15.2M +43,467 +60%
PNC Financial Services Group
137
PNC Financial Services Group
Pennsylvania
$40.5M -$1.06M -3,040 -3%
Teacher Retirement System of Texas
138
Teacher Retirement System of Texas
Texas
$39.6M +$4.17M +11,947 +12%
Chevy Chase Trust
139
Chevy Chase Trust
Maryland
$39.5M -$376K -1,078 -1%
CS
140
Cannell & Spears
New York
$39.1M +$955K +2,736 +3%
NOCM
141
Night Owl Capital Management
Connecticut
$38.4M +$611K +1,751 +2%
MDSL
142
M.D. Sass LLC
New York
$38.3M +$431K +1,233 +1%
Mitsubishi UFJ Trust & Banking
143
Mitsubishi UFJ Trust & Banking
Japan
$38.3M -$4.49M -12,864 -11%
State of Wisconsin Investment Board
144
State of Wisconsin Investment Board
Wisconsin
$38.2M -$413K -1,184 -1%
ICP
145
Ironvine Capital Partners
Nebraska
$38M +$805K +2,305 +2%
BRIM
146
Broad Run Investment Management
Virginia
$37.6M -$17.5K -50 -0%
Korea Investment Corp
147
Korea Investment Corp
South Korea
$36.7M -$7.55M -21,614 -17%
CS
148
Central Securities
New York
$35.3M
NLGIA
149
Nippon Life Global Investors Americas
New York
$34.9M +$1.48M +4,240 +4%
OWP
150
Obermeyer Wealth Partners
Colorado
$34.7M -$954K -2,731 -3%