394 hedge funds and large institutions have $5.23B invested in Ameren in 2013 Q3 according to their latest regulatory filings, with 54 funds opening new positions, 129 increasing their positions, 151 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
394
Holders Change
+20
Holders Change %
+5.35%
% of All Funds
12.78%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.03%
New
54
Increased
129
Reduced
151
Closed
29
Calls
$6.06M
Puts
$8.4M
Net Calls
-$2.34M
Net Calls Change
+$494K
Name Holding Trade Value Shares
Change
Shares
Change %
Nomura Asset Management
201
Nomura Asset Management
Japan
$1.37M -$821K -23,579 -37%
SO
202
STRS Ohio
Ohio
$1.32M +$642K +18,440 +95%
ERSOT
203
Employees Retirement System of Texas
Texas
$1.29M
MF
204
Magnetar Financial
Illinois
$1.22M -$139K -3,981 -10%
AG
205
Aperio Group
California
$1.19M -$101K -2,906 -8%
GMIM
206
General Motors Investment Management
New York
$1.19M +$9.65K +277 +0.8%
RFC
207
Regions Financial Corp
Alabama
$1.13M -$183K -5,267 -14%
V
208
Veritable
Delaware
$1.13M +$898K +25,776 +389%
Jane Street
209
Jane Street
New York
$1.1M -$502K -14,396 -31%
Calamos Advisors
210
Calamos Advisors
Illinois
$1.05M +$1.05M +30,000 New
SMDAM
211
Sumitomo Mitsui DS Asset Management
Japan
$1.03M -$92.2K -2,647 -8%
AssetMark Inc
212
AssetMark Inc
California
$1.03M +$1.03M +29,656 New
Janus Henderson Group
213
Janus Henderson Group
United Kingdom
$1.02M -$89.9K -2,579 -8%
Asset Management One
214
Asset Management One
Japan
$1.01M -$269K -7,691 -21%
BP
215
Banyan Partners
Florida
$1M +$1M +28,761 New
CIBC Asset Management
216
CIBC Asset Management
Ontario, Canada
$1M +$418 +12 +0%
SCM
217
Sterling Capital Management
North Carolina
$990K +$990K +28,422 New
FCBT
218
First Citizens Bank & Trust
North Carolina
$983K +$171K +4,916 +21%
ProShare Advisors
219
ProShare Advisors
Maryland
$975K -$417K -11,978 -30%
NC
220
Northpointe Capital
Michigan
$973K +$511K +14,660 +110%
GXMC
221
Global X Management Company
New York
$972K +$178K +5,117 +22%
FSA
222
Franklin Street Advisors
North Carolina
$958K +$36.2K +1,040 +4%
SB
223
Suntrust Banks
Georgia
$934K +$70.1K +2,016 +8%
TMAM
224
Tokio Marine Asset Management
Japan
$924K
BA
225
BlackRock Advisors
Delaware
$911K -$3.1K -89 -0.3%