425 hedge funds and large institutions have $6.15B invested in Ameren in 2014 Q3 according to their latest regulatory filings, with 30 funds opening new positions, 138 increasing their positions, 173 reducing their positions, and 27 closing their positions.

Holders
425
Holders Change
+1
Holders Change %
+0.24%
% of All Funds
12.34%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.09%
New
30
Increased
138
Reduced
173
Closed
27
Calls
$9.39M
Puts
$7.3M
Net Calls
+$2.09M
Net Calls Change
+$6.36M
Name Market Value Shares Shares
Change
Shares
Change %
BCM
126
Bridgeway Capital Management
Texas
$5.32M 138,900
State of Wisconsin Investment Board
127
State of Wisconsin Investment Board
Wisconsin
$5.27M 137,480 +1,200 +0.9%
BF
128
BOK Financial
Oklahoma
$5.12M 133,517 -20,305 -13%
Aviva
129
Aviva
United Kingdom
$5.09M 132,765 +67 +0.1%
U
130
UBS
Switzerland
$4.96M 129,519 -16,972 -12%
Caisse de Depot et Placement du Quebec (CDPQ)
131
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$4.92M 128,300 -4,400 -3%
D.E. Shaw & Co
132
D.E. Shaw & Co
New York
$4.75M 124,029 -91,623 -42%
AIG
133
American International Group
New York
$4.75M 124,008 +865 +0.7%
GT
134
Glenmede Trust
Pennsylvania
$4.73M 123,506 +45,532 +58%
TG
135
TCW Group
California
$4.56M 118,900 -2,700 -2%
AI
136
Analytic Investors
California
$4.54M 118,430 +61,352 +107%
PAM
137
Paradigm Asset Management
New York
$4.53M 118,200 +118,200 New
CB
138
Commerce Bank
Missouri
$4.34M 113,128 -4,488 -4%
NFA
139
Nationwide Fund Advisors
Ohio
$4.26M 111,042 -15,624 -12%
US Bancorp
140
US Bancorp
Minnesota
$4.25M 110,826 -2,165 -2%
HCM
141
Highbridge Capital Management
New York
$4.16M 108,479 -144,314 -57%
AAM
142
Aberdeen Asset Management
United Kingdom
$4.14M 107,890 -11,843 -10%
WG
143
Winton Group
United Kingdom
$4.08M 106,528 +71,252 +202%
RFC
144
Russell Frank Company
Washington
$3.92M 102,154 -25,827 -20%
National Pension Service
145
National Pension Service
South Korea
$3.87M 100,957 +100,957 New
SOMRS
146
State of Michigan Retirement System
Michigan
$3.81M 99,482 +100 +0.1%
TPSF
147
Texas Permanent School Fund
Texas
$3.61M 94,235 -6,919 -7%
GXMC
148
Global X Management Company
New York
$3.61M 94,104 +39,547 +72%
TCM
149
Twin Capital Management
Pennsylvania
$3.51M 91,500 -2,570 -3%
Public Sector Pension Investment Board (PSP Investments)
150
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$3.43M 89,431 -1,900 -2%