902 hedge funds and large institutions have $53.1B invested in Aon in 2021 Q2 according to their latest regulatory filings, with 82 funds opening new positions, 348 increasing their positions, 286 reducing their positions, and 78 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
902
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
34
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$609M
Puts
$329M
Net Calls
Net Calls Change

Top Buyers

1 +$556M
2 +$253M
3 +$184M
4
Viking Global Investors
Viking Global Investors
Connecticut
+$179M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$130M

Top Sellers

1 -$246M
2 -$189M
3 -$171M
4
Two Sigma Investments
Two Sigma Investments
New York
-$142M
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$139M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$4.65B
2
$4.05B
3
$3.95B
4
$2.23B
5
$1.87B
6
$1.57B
7
$1.44B
8
$1.44B
9
$1.1B
10
$1.05B
11
$963M
12
$940M
13
$915M
14
$830M
15
$812M
16
$714M
17
$707M
18
$693M
19
$677M
20
$673M
21
$631M
22
$576M
23
$557M
24
$528M
25
$489M