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.

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 %
Citadel Advisors
26
Citadel Advisors
Florida
$49.4M +$36.5M +1,047,577 +282%
LSV Asset Management
27
LSV Asset Management
Illinois
$44.4M +$6.86M +196,905 +18%
Norges Bank
28
Norges Bank
Norway
$43.9M +$7.64M +219,238 +21%
Renaissance Technologies
29
Renaissance Technologies
New York
$42.8M -$34.2M -980,600 -44%
Federated Hermes
30
Federated Hermes
Pennsylvania
$39.9M +$14.6M +419,559 +58%
UBS AM
31
UBS AM
Illinois
$37.9M -$4.59M -131,692 -11%
Prudential Financial
32
Prudential Financial
New Jersey
$37.9M -$18.9M -542,888 -33%
Wells Fargo
33
Wells Fargo
California
$36.7M +$5.72M +164,128 +18%
VOYA Investment Management
34
VOYA Investment Management
Georgia
$33.5M +$1.46M +41,921 +5%
Boston Partners
35
Boston Partners
Massachusetts
$33M +$8.05M +230,998 +32%
APG Asset Management
36
APG Asset Management
Netherlands
$31.5M -$5M -143,414 -14%
H
37
Hexavest
Quebec, Canada
$31.1M +$14.1M +404,391 +83%
Jennison Associates
38
Jennison Associates
New York
$30.2M
ZP
39
Zimmer Partners
New York
$28.7M +$26.1M +750,000 +1,000%
GIA
40
Gateway Investment Advisers
Ohio
$27.9M +$85.3K +2,448 +0.3%
PAM
41
Panagora Asset Management
Massachusetts
$27.6M -$9.69M -278,078 -26%
Allianz Asset Management
42
Allianz Asset Management
Germany
$27.2M -$3.97M -114,010 -13%
California Public Employees Retirement System
43
California Public Employees Retirement System
California
$26.7M +$704K +20,195 +3%
GF
44
Gabelli Funds
New York
$26.1M
JPMorgan Chase & Co
45
JPMorgan Chase & Co
New York
$25.1M -$8.93M -256,418 -26%
Sumitomo Mitsui Trust Group
46
Sumitomo Mitsui Trust Group
Japan
$24.1M -$251K -7,203 -1%
D.E. Shaw & Co
47
D.E. Shaw & Co
New York
$23.8M -$18.9M -541,821 -44%
New York State Common Retirement Fund
48
New York State Common Retirement Fund
New York
$23.8M -$4.66M -133,774 -16%
NFA
49
Nationwide Fund Advisors
Ohio
$22.4M -$8.6M -246,756 -28%
VRS
50
Virginia Retirement Systems
Virginia
$22M -$6.97M -200,178 -24%