498 hedge funds and large institutions have $23.3B invested in Aon in 2015 Q1 according to their latest regulatory filings, with 50 funds opening new positions, 151 increasing their positions, 211 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
498
Holders Change
+8
Holders Change %
+1.63%
% of All Funds
13.28%
Holding in Top 10
20
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-9.09%
% of All Funds
0.53%
New
50
Increased
151
Reduced
211
Closed
38
Calls
$19.7M
Puts
$72.2M
Net Calls
-$52.5M
Net Calls Change
-$77.7M
Name Holding Trade Value Shares
Change
Shares
Change %
B
201
BP
United Kingdom
$4.42M
AC
202
Allstate Corporation
Illinois
$4.32M +$4.32M +44,921 New
MIC
203
MU Investments Company
Japan
$4.24M -$294K -3,000 -6%
OPERF
204
Oregon Public Employees Retirement Fund
Oregon
$4.13M +$28.8K +300 +0.7%
GCP
205
GSA Capital Partners
United Kingdom
$4.11M +$1.88M +19,512 +84%
SFP
206
Santa Fe Partners
New Mexico
$4.07M +$1.44M +14,939 +55%
CSS
207
Cubist Systematic Strategies
Connecticut
$4.01M +$1.68M +17,483 +72%
OTPPB
208
Ontario Teachers' Pension Plan Board
Ontario, Canada
$4M -$847K -8,809 -17%
OI
209
Oakbrook Investments
Illinois
$3.99M -$88.9K -925 -2%
FCM
210
Forester Capital Management
Illinois
$3.92M -$268K -2,790 -6%
US Bancorp
211
US Bancorp
Minnesota
$3.86M +$397K +4,132 +11%
MI
212
Markston International
New York
$3.56M -$2.24M -23,296 -39%
COI
213
Connable Office Inc
Michigan
$3.55M +$352K +3,660 +11%
Mitsubishi UFJ Asset Management
214
Mitsubishi UFJ Asset Management
Japan
$3.51M -$265K -2,760 -7%
Susquehanna International Group
215
Susquehanna International Group
Pennsylvania
$3.48M -$6.71M -69,845 -66%
MSA
216
Mason Street Advisors
Wisconsin
$3.47M -$18.7M -194,801 -84%
Zurich Cantonal Bank
217
Zurich Cantonal Bank
Switzerland
$3.46M +$1.16M +12,078 +50%
SIP
218
Stoneridge Investment Partners
Pennsylvania
$3.46M +$3.46M +35,980 New
SLI
219
Sumitomo Life Insurance
Japan
$3.43M -$363K -3,781 -10%
EFEM
220
Eos Focused Equity Management
New York
$3.42M +$3.42M +35,600 New
SAM
221
Silvercrest Asset Management
New York
$3.38M -$497K -5,170 -13%
PCM
222
Portolan Capital Management
Massachusetts
$3.26M +$191K +1,985 +6%
M&T Bank
223
M&T Bank
New York
$3.24M -$40.6K -423 -1%
AHC
224
Anderson Hoagland & Co
Missouri
$3.23M +$42.8K +445 +1%
NMERB
225
New Mexico Educational Retirement Board
New Mexico
$3.18M -$202K -2,100 -6%