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
Public Sector Pension Investment Board (PSP Investments)
201
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$19.3M
X
202
Xponance
Pennsylvania
$19.3M
MSE
203
MUFG Securities EMEA
United Kingdom
$19.2M
AHB
204
Abner Herrman & Brock
New Jersey
$19.1M
Nisa Investment Advisors
205
Nisa Investment Advisors
Missouri
$19M
BNP Paribas Asset Management
206
BNP Paribas Asset Management
France
$18.6M
Caisse de Depot et Placement du Quebec (CDPQ)
207
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$18M
IMPI
208
Ilmarinen Mutual Pension Insurance
Finland
$17.7M
CFB
209
Cullen/Frost Bankers
Texas
$17.7M
COPPSERS
210
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$17.6M
GFI
211
Global Frontier Investments
South Carolina
$17.3M
CIBC World Market
212
CIBC World Market
Ontario, Canada
$17.3M
Mariner
213
Mariner
Kansas
$17.2M
GT
214
Glenmede Trust
Pennsylvania
$17.1M
Bank of Nova Scotia
215
Bank of Nova Scotia
Ontario, Canada
$17M
FAF
216
Första AP-fonden
Sweden
$16.9M
Cerity Partners
217
Cerity Partners
New York
$16.7M
VMPIC
218
Varma Mutual Pension Insurance Co
Finland
$16.3M
AB
219
Amalgamated Bank
New York
$16.1M
Retirement Systems of Alabama
220
Retirement Systems of Alabama
Alabama
$16.1M
ProShare Advisors
221
ProShare Advisors
Maryland
$16M
KCM
222
Kornitzer Capital Management
Kansas
$15.8M
BCI
223
Brinker Capital Investments
Pennsylvania
$15.3M
CGPCS
224
Capital Group Private Client Services
California
$15M
D.E. Shaw & Co
225
D.E. Shaw & Co
New York
$15M