506 hedge funds and large institutions have $23.5B invested in Aon in 2015 Q4 according to their latest regulatory filings, with 45 funds opening new positions, 164 increasing their positions, 208 reducing their positions, and 36 closing their positions.

Holders
506
Holders Change
+5
Holders Change %
+1%
% of All Funds
13.29%
Holding in Top 10
23
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+9.52%
% of All Funds
0.6%
New
45
Increased
164
Reduced
208
Closed
36
Calls
$13M
Puts
$8.19M
Net Calls
+$4.78M
Net Calls Change
+$771K
Name Market Value Shares Shares
Change
Shares
Change %
LTI
1
Laffer Tengler Investments
Tennessee
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.47B 15,937,229 +152,974 +1%
State Street
3
State Street
Massachusetts
$1.32B 14,282,693 +661,306 +5%
Eagle Capital Management (New York)
4
Eagle Capital Management (New York)
New York
$1.28B 13,885,391 +571,540 +4%
Harris Associates
5
Harris Associates
Illinois
$1.07B 11,560,054 -195,855 -2%
Artisan Partners
6
Artisan Partners
Wisconsin
$929M 10,071,710 +5,872,183 +140%
Lazard Asset Management
7
Lazard Asset Management
New York
$922M 10,001,098 +961,467 +11%
Massachusetts Financial Services
8
Massachusetts Financial Services
Massachusetts
$796M 8,628,711 +561,135 +7%
FPA
9
First Pacific Advisors
California
$700M 7,588,070 +151,640 +2%
LP
10
Longview Partners
Guernsey
$693M 7,510,521 -57,577 -0.8%
BIT
11
BlackRock Institutional Trust
California
$673M 7,302,516 -98,763 -1%
SAM
12
Southeastern Asset Management
Tennessee
$669M 7,258,081 -1,981,357 -21%
Norges Bank
13
Norges Bank
Norway
$665M 7,212,114 +1,136,370 +19%
Neuberger Berman Group
14
Neuberger Berman Group
New York
$544M 5,902,697 -279,230 -5%
Boston Partners
15
Boston Partners
Massachusetts
$536M 5,807,539 +32,428 +0.6%
Ameriprise
16
Ameriprise
Minnesota
$516M 5,590,591 -1,124,774 -17%
Principal Financial Group
17
Principal Financial Group
Iowa
$480M 5,207,129 +448,261 +9%
BFA
18
BlackRock Fund Advisors
California
$404M 4,384,773 +306,276 +8%
Invesco
19
Invesco
Georgia
$382M 4,138,399 +79,620 +2%
Mawer Investment Management
20
Mawer Investment Management
Alberta, Canada
$371M 4,025,388 +427,831 +12%
Northern Trust
21
Northern Trust
Illinois
$305M 3,305,320 -285,368 -8%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$240M 2,598,218 -104,456 -4%
AGA
23
Altrinsic Global Advisors
Connecticut
$222M 2,407,694 -109,721 -4%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$196M 2,128,599 -36,908 -2%
JHIU
25
Janus Henderson Investors US
Colorado
$194M 2,104,666 -135,814 -6%