398 hedge funds and large institutions have $5.46B invested in Ameren in 2013 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 135 increasing their positions, 164 reducing their positions, and 36 closing their positions.

Holders
398
Holders Change
+4
Holders Change %
+1.02%
% of All Funds
11.56%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
41
Increased
135
Reduced
164
Closed
36
Calls
$6.27M
Puts
$7.57M
Net Calls
-$1.29M
Net Calls Change
+$1.04M
Name Holding Trade Value Shares
Change
Shares
Change %
Jennison Associates
26
Jennison Associates
New York
$45.9M +$14.6M +403,156 +47%
LSV Asset Management
27
LSV Asset Management
Illinois
$44.9M -$1.2M -33,300 -3%
Goldman Sachs
28
Goldman Sachs
New York
$44.4M -$9.52M -263,364 -18%
Boston Partners
29
Boston Partners
Massachusetts
$44.4M +$10.1M +280,440 +30%
Citadel Advisors
30
Citadel Advisors
Florida
$41.6M -$9.67M -267,332 -19%
Norges Bank
31
Norges Bank
Norway
$40.4M -$5.16M -142,816 -11%
Allianz Asset Management
32
Allianz Asset Management
Germany
$39.6M +$11.3M +313,731 +40%
Wells Fargo
33
Wells Fargo
California
$36M -$2.02M -55,812 -5%
VOYA Investment Management
34
VOYA Investment Management
Georgia
$34.6M -$91.1K -2,519 -0.3%
Los Angeles Capital Management
35
Los Angeles Capital Management
California
$33.4M +$32.7M +903,794 +4,407%
UBS AM
36
UBS AM
Illinois
$33.2M -$6.14M -169,932 -16%
Canada Pension Plan Investment Board
37
Canada Pension Plan Investment Board
Ontario, Canada
$29.3M -$44.2M -1,223,349 -60%
GIA
38
Gateway Investment Advisers
Ohio
$28.9M -$28.9K -800 -0.1%
California Public Employees Retirement System
39
California Public Employees Retirement System
California
$28.6M +$1.03M +28,634 +4%
Sumitomo Mitsui Trust Group
40
Sumitomo Mitsui Trust Group
Japan
$27.6M +$2.68M +74,118 +11%
GF
41
Gabelli Funds
New York
$26.9M -$145K -4,000 -0.5%
PAM
42
Panagora Asset Management
Massachusetts
$26.9M -$1.78M -49,358 -6%
New York State Common Retirement Fund
43
New York State Common Retirement Fund
New York
$24.7M
Prudential Financial
44
Prudential Financial
New Jersey
$23.3M -$16M -441,900 -41%
WCM
45
Wedge Capital Management
North Carolina
$21.8M -$217K -6,000 -1%
GC
46
Guggenheim Capital
Illinois
$20.7M -$2.13M -59,035 -9%
USAA
47
United Services Automobile Association
Texas
$20.6M +$12M +330,518 +138%
PPA
48
Parametric Portfolio Associates
Washington
$20.5M +$433K +11,987 +2%
State of Tennessee, Department of Treasury
49
State of Tennessee, Department of Treasury
Tennessee
$20.3M +$13M +358,700 +176%
H
50
Hexavest
Quebec, Canada
$20.2M -$12.1M -333,949 -37%