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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
AGA
51
Altrinsic Global Advisors
Connecticut
$214M -$4.61M -14,300 -2%
Deutsche Bank
52
Deutsche Bank
Germany
$194M -$19.3M -59,695 -9%
Swiss National Bank
53
Swiss National Bank
Switzerland
$190M -$8.12M -25,160 -4%
Royal Bank of Canada
54
Royal Bank of Canada
Ontario, Canada
$184M -$43M -133,425 -19%
Fidelity Investments
55
Fidelity Investments
Massachusetts
$183M +$9.09M +28,183 +5%
Vontobel Holding
56
Vontobel Holding
Switzerland
$179M -$148M -458,374 -46%
UIM
57
USS Investment Management
United Kingdom
$173M +$5.9M +18,288 +4%
National Pension Service
58
National Pension Service
South Korea
$161M +$3.02M +9,349 +2%
Vanguard Global Advisers
59
Vanguard Global Advisers
Pennsylvania
$153M -$2.78M -8,613 -2%
Sumitomo Mitsui Trust Group
60
Sumitomo Mitsui Trust Group
Japan
$150M +$1.91M +5,912 +1%
Natixis Advisors
61
Natixis Advisors
Massachusetts
$149M +$34.2M +106,082 +31%
BNP Paribas Financial Markets
62
BNP Paribas Financial Markets
France
$148M +$25.2M +77,973 +21%
Fiera Capital (Canada)
63
Fiera Capital (Canada)
Quebec, Canada
$139M -$42.3M -130,974 -24%
Vanguard Asset Management
64
Vanguard Asset Management
$136M +$15.2M +46,980 +13%
DWA
65
Douglass Winthrop Advisors
New York
$133M +$1.97M +6,099 +2%
Barclays
66
Barclays
United Kingdom
$131M -$66.6M -206,419 -34%
Franklin Resources
67
Franklin Resources
California
$129M +$9.09M +28,170 +8%
Russell Investments Group
68
Russell Investments Group
United Kingdom
$129M +$40.4M +125,181 +48%
SEI Investments
69
SEI Investments
Pennsylvania
$128M -$21.3M -65,977 -15%
Verition Fund Management
70
Verition Fund Management
Connecticut
$128M +$50.6M +156,819 +69%
Adage Capital Partners
71
Adage Capital Partners
Massachusetts
$126M +$51M +158,200 +71%
Jones Financial Companies
72
Jones Financial Companies
Missouri
$123M +$37.6M +116,481 +45%
California Public Employees Retirement System
73
California Public Employees Retirement System
California
$123M -$33.9M -105,107 -22%
William Blair & Company
74
William Blair & Company
Illinois
$120M -$19.7M -60,998 -14%
RhumbLine Advisers
75
RhumbLine Advisers
Massachusetts
$119M -$6.63M -20,538 -5%

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.