1,268 hedge funds and large institutions have $66.5B invested in Aon in 2025 Q4 according to their latest regulatory filings, with 149 funds opening new positions, 422 increasing their positions, 473 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 funds holding

Funds holding:

more ownership

Funds ownership:

1% more capital invested

Capital invested by funds: $66.2B → $66.5B (+$332M)

4% less funds holding in top 10

Funds holding in top 10: 2726 (-1)

11% less repeat investments, than reductions

Existing positions increased: 422 | Existing positions reduced: 473

Holders
1,268
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
$109M
Puts
$40.4M
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
Qube Research & Technologies (QRT)
201
Qube Research & Technologies (QRT)
United Kingdom
$19.3M
Public Sector Pension Investment Board (PSP Investments)
202
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$19.3M
X
203
Xponance
Pennsylvania
$19.3M
MSE
204
MUFG Securities EMEA
United Kingdom
$19.2M
AHB
205
Abner Herrman & Brock
New Jersey
$19.1M
Nisa Investment Advisors
206
Nisa Investment Advisors
Missouri
$19M
BNP Paribas Asset Management
207
BNP Paribas Asset Management
France
$18.6M
Caisse de Depot et Placement du Quebec (CDPQ)
208
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$18M
IMPI
209
Ilmarinen Mutual Pension Insurance
Finland
$17.7M
CFB
210
Cullen/Frost Bankers
Texas
$17.7M
COPPSERS
211
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$17.6M
GFI
212
Global Frontier Investments
South Carolina
$17.3M
CIBC World Market
213
CIBC World Market
Ontario, Canada
$17.3M
Mariner
214
Mariner
Kansas
$17.2M
GT
215
Glenmede Trust
Pennsylvania
$17.1M
Bank of Nova Scotia
216
Bank of Nova Scotia
Ontario, Canada
$17M
FAF
217
Första AP-fonden
Sweden
$16.9M
Cerity Partners
218
Cerity Partners
New York
$16.7M
VMPIC
219
Varma Mutual Pension Insurance Co
Finland
$16.3M
AB
220
Amalgamated Bank
New York
$16.1M
Retirement Systems of Alabama
221
Retirement Systems of Alabama
Alabama
$16.1M
ProShare Advisors
222
ProShare Advisors
Maryland
$16M
KCM
223
Kornitzer Capital Management
Kansas
$15.8M
BCI
224
Brinker Capital Investments
Pennsylvania
$15.3M
CGPCS
225
Capital Group Private Client Services
California
$15M