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1,255 hedge funds and large institutions have $63.7B invested in Aon in 2026 Q2 according to their latest regulatory filings, with 136 funds opening new positions, 469 increasing their positions, 454 reducing their positions, and 113 closing their positions.

New
Increased
Maintained
Reduced
Closed

56% more call options, than puts

Call options by funds: $121M | Put options by funds: $77.3M

20% more first-time investments, than exits

New positions opened: 136 | Existing positions closed: 113

7% more funds holding in top 10

Funds holding in top 10: 2931 (+2)

5% more capital invested

Capital invested by funds: $60.6B → $63.7B (+$3.1B)

2.49% more ownership

Funds ownership: 87.57%90.06% (+2.5%)

3% more repeat investments, than reductions

Existing positions increased: 469 | Existing positions reduced: 454

0% less funds holding

Funds holding: 1,2591,255 (-4)

Holders
1,255
Holders Change
-4
Holders Change %
-0.32%
% of All Funds
15.19%
Holding in Top 10
31
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+6.9%
% of All Funds
0.38%
New
136
Increased
469
Reduced
454
Closed
113
Calls
$121M
Puts
$77.3M
Net Calls
+$43.3M
Net Calls Change
+$15M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$5.21B -$139M -432,078 -3%
Vanguard Capital Management
2
Vanguard Capital Management
Pennsylvania
$4.51B +$7M +21,709 +0.2%
JP Morgan Chase
3
JP Morgan Chase
New York
$3.99B +$2.11B +6,534,543 +116%
Capital World Investors
4
Capital World Investors
California
$3.88B +$75.4M +233,862 +2%
State Street
5
State Street
Massachusetts
$3.12B +$63.3M +196,266 +2%
Dodge & Cox
6
Dodge & Cox
California
$2.85B +$154M +477,049 +6%
Massachusetts Financial Services
7
Massachusetts Financial Services
Massachusetts
$2.58B -$240M -742,700 -9%
Vanguard Portfolio Management
8
Vanguard Portfolio Management
Pennsylvania
$2.39B +$853M +2,643,956 +58%
Morgan Stanley
9
Morgan Stanley
New York
$2.06B -$51.7M -160,158 -3%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$1.71B -$20.6M -63,756 -1%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$1.06B -$41.9M -129,880 -4%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$1.04B +$599M +1,855,714 +145%
Norges Bank
13
Norges Bank
Norway
$928M +$902M +2,796,760 New
Mitsubishi UFJ Asset Management
14
Mitsubishi UFJ Asset Management
Japan
$913M +$76.5M +237,276 +9%
IFP
15
Independent Franchise Partners
United Kingdom
$878M +$19M +58,941 +2%
Arrowstreet Capital
16
Arrowstreet Capital
Massachusetts
$867M +$586M +1,817,336 +228%
DZ Bank
17
DZ Bank
Germany
$748M -$223M -692,642 -23%
Boston Partners
18
Boston Partners
Massachusetts
$696M +$43.5M +134,741 +7%
Northern Trust
19
Northern Trust
Illinois
$677M -$13.4M -41,571 -2%
AQR Capital Management
20
AQR Capital Management
Connecticut
$623M +$299M +926,045 +95%
WCM Investment Management
21
WCM Investment Management
California
$614M -$24.7M -76,520 -4%
Artisan Partners
22
Artisan Partners
Wisconsin
$614M +$66.6M +206,471 +13%
Goldman Sachs
23
Goldman Sachs
New York
$580M +$53.2M +164,810 +10%
Neuberger Berman Group
24
Neuberger Berman Group
New York
$561M -$53.6M -166,105 -9%
Bank of America
25
Bank of America
North Carolina
$539M +$13.6M +42,290 +3%

AON Hedge Fund Activity: Q2 2026 in Review

1,255 of the 8,264 institutional investors tracked by Wall St. Rank reported a position in Aon (AON) for Q2 2026, worth a combined $63.7B — up 5.1% from $60.6B a quarter earlier.

Buyers outnumbered sellers: 136 funds opened new AON positions and 113 closed out — a net gain of 23 holders — while 469 added to existing stakes and 454 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $2.11B. The largest seller was UBS AM, cutting an estimated $399M.

  • 1,255 institutional investors held Aon (AON) as of Q2 2026, down from 1,259 in Q1 2026.
  • Funds reported $63.7B of Aon stock for Q2 2026, up 5.1% quarter-over-quarter.
  • 136 funds opened new Aon positions in Q2 2026 and 113 closed out, a net change of +23 holders.
  • The largest Aon buyer in Q2 2026 was JP Morgan Chase, an estimated $2.11B added.
  • The largest Aon seller in Q2 2026 was UBS AM, an estimated $399M sold.

Based on aggregated 13F filings for Q2 2026.